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Добірка наукової літератури з теми "Osteotomy"

Автор: Grafiati

Опубліковано: 4 червня 2021

Оновлено: 28 липня 2024

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Статті в журналах з теми "Osteotomy"

Holmberg, D. L., A. G. Binnington, C. W. Miller, and H. R. Sukhiani. "Pelvic Canal Narrowing Caused by Triple Pelvic Osteotomy in the Dog." Veterinary and Comparative Orthopaedics and Traumatology 07, no. 03 (1994): 114–17. http://dx.doi.org/10.1055/s-0038-1633131.

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SummaryTo reduce postoperative complications due to pelvic canal narrowing following triple pelvic osteotomy, it is important to minimize the length of the pubic remnant on the acetabular segment. Three different techniques for performing the pubic osteotomy were compared: a lateral wire saw technique, a lateral osteotome technique and a ventral osteotome ostectomy technique. The lateral wire saw and ventral ostectomy techniques resulted in significantly shorter pubic remnants than the lateral osteotome technique. The osteotomies performed with the wire saw were more accurate and precise than those performed with the osteotome. The lateral wire saw technique is a practical alternative to the ventral ostectomy technique for performing the pubic osteotomy.A comparison of three different pubic osteotomy techniques for the triple pelvic osteotomy showed that minimal pubic remnants can be achieved with either the lateral wire saw or ventral ostectomy technique. Osteotomies made by the wire saw were more accurate and precise than those made by the osteotome.

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Thomas, J. Regan, and Nancy Griner. "The Relationship of Lateral Osteotomies in Rhinoplasty to the Lacrimal Drainage System." Otolaryngology–Head and Neck Surgery 94, no. 3 (March 1986): 362–67. http://dx.doi.org/10.1177/019459988609400319.

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Damage to the lacrimal drainage system is a potentially complicating factor in rhinoplasty utilizing lateral osteotomies. The authors present data from osteotomies performed on a series of fresh cadavers. Following completion of the osteotomies, the lacrimal sac and nasal lacrimal ducts were Identified and cannulated. Soft tissue was dissected to demonstrate the osteotomy site. The specimen was inspected to delineate involvement (if any) of the lacrimal duct or sac. The proximity of the osteotomy site to the lacrimal drainage apparatus components was measured in each specimen. Various parameters were observed, including the effect of curved vs. straight osteotomes, guarded vs. unguarded osteotomes, and the effect of various widths of osteotomes. Likewise, the degree of risk to the lacrimal system was evaluated, and the technique of the novice and resident surgeon was compared to that of the experienced rhinoplastic surgeon. A low, curved osteotomy, performed with a sharp osteotome without subperiosteal tunnels, provides the safest maneuver. Lateral osteotomies, properly performed, prove to be an unusual cause of lacrimal drainage dysfunction.

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Lee, Heung-Man, Hee Joon Kang, Jin Ho Choi, Sung Won Chae, Sang Hag Lee, and Soon Jae Hwang. "Rationale for osteotome selection in rhinoplasty." Journal of Laryngology & Otology 116, no. 12 (December 2002): 1005–8. http://dx.doi.org/10.1258/002221502761698739.

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Proper selection of an osteotome for nasal osteotomy is important for minimizing soft tissue trauma. Radiographic analysis of the facial bony lateral wall thickness was performed to suggest a guideline for an appropriate osteotome size for Asians. Facial bone computed tomography (CT) of 100 patients (50 male, 50 female) were studied. The thickness of the facial bony lateral wall at three points along the track of a lateral osteotomy, and two points along the track of a medial osteotomy and intermediate osteotomy were measured. The average bony thickness along the track of a lateral osteotomy was 2.61 ± 0.66 mm at the low level, 2.75 ± 0.76 mm at the middle level, and 2.72 ± 0.53 mm at the high level in subjects. The average bony thickness along the track of an intermediate osteotomy were 1.26 ± 0.34 mm at the low level, and 1.31 ± 0.32 mm at the high level in the subjects. The average bony thickness along the track of the medial osteotomy were 2.54 ± 0.31 mm at the lowlevel, and 2.77 ± 0.30 mm at the high level in subjects. These results may provide a guideline for choosing an osteotome of appropriate size for the Asian population.

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Ersözlü, Tolga. "A New Instrument For Rhinoplasty: The Osteotom With Lighting Guide Transilluminating Osteotomy." Ear, Nose & Throat Journal 99, no. 5 (September 24, 2019): 318–22. http://dx.doi.org/10.1177/0145561319868451.

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Rhinoplasty remains one of the most commonly performed aesthetic surgical procedure that demands a meticulous intraoperative precision as well as maximum precaution and control. Nasal osteotomy is a key component to shape the bony vault in aesthetic rhinoplasty, but it is also the so versatile, dangerous, and difficult to learn. The present study aims to evaluate the usefulness of our locator instrument for beginners which is called transilluminating osteotome. The use of transilluminating osteotome instead of guided lateral nasal osteotome is a reliable instrument since it facilitates the localization of osteotome and osteotomy line beneath the soft tissue with a limited damage to the surrounding soft tissues. Level of Evidence: III

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Anesi, Alexandre, Mattia Di Bartolomeo, Arrigo Pellacani, Marzia Ferretti, Francesco Cavani, Roberta Salvatori, Riccardo Nocini, Carla Palumbo, and Luigi Chiarini. "Bone Healing Evaluation Following Different Osteotomic Techniques in Animal Models: A Suitable Method for Clinical Insights." Applied Sciences 10, no. 20 (October 14, 2020): 7165. http://dx.doi.org/10.3390/app10207165.

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Osteotomy is a common step in oncological, reconstructive, and trauma surgery. Drilling and elevated temperature during osteotomy produce thermal osteonecrosis. Heat and associated mechanical damage during osteotomy can impair bone healing, with consequent failure of fracture fixation or dental implants. Several ex vivo studies on animal bone were recently focused on heating production during osteotomy with conventional drill and piezoelectric devices, particularly in endosseous dental implant sites. The current literature on bone drilling and osteotomic surface analysis is here reviewed and the dynamics of bone healing after osteotomy with traditional and piezoelectric devices are discussed. Moreover, the methodologies involved in the experimental osteotomy and clinical studies are compared, focusing on ex vivo and in vivo findings.

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O’Donnell, M. D., G. Bobe, R. P. Scholz, J. E. Wiest, S. Nemanic, and J. J. Warnock. "Use of computed tomography to compare two femoral head and neck excision ostectomy techniques as performed by two novice veterinarians." Veterinary and Comparative Orthopaedics and Traumatology 28, no. 05 (2015): 295–300. http://dx.doi.org/10.3415/vcot-14-12-0183.

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Summary Objectives: To compare the results of femoral head and neck excision (FHNE) ostectomy performed by two novice veterinarians using an osteotome and mallet or microsagittal saw. Methods: In this ex vivo cadaveric study, hindlimbs of eight canine cadavers were randomized to FHNE with osteotome or micro sagittal saw as performed by two recently graduated veterinarians. The hindimbs were imaged by computed tomography (CT) before and after the osteotomy. Post FHNE CT images were evaluated by a board certified radiologist blinded to the ostectomy technique for assessment of the number of bone fragments, fissures, smoothness of osteotomy margination, and volume of residual fe-moral neck. Results: Femoral head and neck excision performed with the osteotome produced more peri-ostectomy bone fragments, cortical fissures, irregular margins, and residual femoral neck volume, compared with osteotomy using a saw. Clinical relevance: Compared to FHNE performed with a sagittal saw, osteotome FHNE resulted in a greater bone trauma and residual neck bone volume, which would require post-ostectomy modification in a clinical setting.

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Aoki, N., H. Umezawa, Y. Okuma, H. Miyagishima, S. Ohta, and T. Ito. "A Unique Bone Osteotome Technique for Extraction of Palatally Inclinated Maxillary Impacted Tooth: A Technical Note." Journal of Dentistry, Oral Disorders & Therapy 9, no. 2 (May 17, 2021): 1–3. http://dx.doi.org/10.15226/jdodt.2021.001129.

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Background: There have been reported about impacted tooth[1,2,3], but a very few literature about extraction technique using bone osteotomy. Bone osteotome is routinely used in various oral surgeries. We describe a technique of a unique bone osteotome technique for extraction of palatally inclinated maxillary impacted tooth. Methods: We occasionally encounter the patient with tooth crown of impacted tooth inclinated from the buccal site toward the palatal site. When the use of an elevator and forceps is difficult due to the palatal tilted and interference of neighboring teeth, tooth extraction is a challenge.Using this osteotome from the buccal site causes the canine to easily rise out of the socket in the palatal direction. Results and Conclusion: This bone osteotome technique for extraction of palatally inclinated maxillary impacted tooth was very useful and convenient.This is because the impacted canine can be removed with a bone osteotome, a minimally invasive surgical instrument. No appreciable disadvantages are noted with this bone osteotomy. Keywords: Unerupted Tooth; Impacted Canine; Supernumerary Teeth

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Singh, Chandeep, Shitij Kacker, and Sanjiv KS Marya. "Modified Extended Trochanteric Osteotomy." Journal of Postgraduate Medicine, Education and Research 50, no. 2 (2016): 93–95. http://dx.doi.org/10.5005/jp-journals-10028-1199.

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ABSTRACT Trochanteric osteotomy, the most extensile approach, is a valuable tool for difficult primary and revision total hip arthroplasties (THAs). Extended trochanteric osteotomy (ETO) is helpful in revision and extraction of well-fixed cemented as well as uncemented fremoral components, facilitates in cement extraction, and also in enhancing acetabular exposure. Tradional posterolateral ETO is initiated at the posterior aspect of the femur. We describe a modification of ETO by an anterolateral approach. The advantage of this approach is that as it preserves an intact musculo-osseo-muscular sleeve comprising of gluteus medius and minimus, greater trochanter, and vastus lateralis it allows physiological reconstruction of hip's soft tissue envelope and thus prevents proximal migration, nonunion of the osteotomy, and abductor lurch, which are the commonest complications associated with an ETO. Anterolateral exposure of hip joint and anterior fibers of gluteus medius, minimus, and capsule reflected as cuff and limbs of osteotomy are marked, and after completing the osteotomy with the help of osteotomes passed from posterior to anterior, the fragment is hooked open on its anterior muscular hinge. Osteotomy is fixed with the help of three to four cerclage wires depending on length of osteotomy. Full-weight bearing and abduction against gravity are only allowed after confirming radiological union of the osteotomy. How to cite this article Kacker S, Singh C, Marya SKS. Modified Extended Trochanteric Osteotomy. J Postgrad Med Edu Res 2016;50(2):93-95.

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Ok, I. Y., C. H. Jeong, and H. Y. Lee. "THE CHIARI PELVIC OSTEOTOMY." Journal of Musculoskeletal Research 03, no. 01 (March 1999): 1–10. http://dx.doi.org/10.1142/s0218957799000026.

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The result of 27 Chiari pelvic osteotomy were analyzed to determine the efficacy of the operation in the treatment of subluxated and/or painful dysplastic hips. The length of follow-up ranged from 2 to 14 years. Eighteen patients had had developmental dysplasia of the hip; four sequelae of the septic hip; two, cerebral palsy and one had had poliomyelitis. The osteotomy can be done by power saw and osteotome. A large threaded K-wire was used for internal fixation. Bone graft was necessary even with the displacement of more than 50%. The overall result were: 12, excellent; 8, good; 5, fair; and 2 poor. In 11 patients, the osteotomy had to be displaced more than 50% to provide good coverage of the femoral head. There were no major complications such as sciatic nerve injury or delayed union. This procedure is most suited for the patient with painful hip dysplasia in whom a concentric reduction is not possible.

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Skordaris, G., F. Stergioudi, A. Boumpakis, D. Stergioudi, and H. Behrbohm. "A FEA-Based Methodology to Predict the Osteotome Wear Status during Nasal Bone Surgical Operations." Coatings 9, no. 12 (December 13, 2019): 855. http://dx.doi.org/10.3390/coatings9120855.

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A FEA-based methodology was developed in order to predict the wear status of an osteotome (surgical instrument) during its use in a lateral nasal bone osteotomy considering its fatigue strength. The latter parameter was determined by appropriate FEM-evaluation of the perpendicular impact test results. For the simulation of the surgical procedure, two scenarios were examined: (i) when utilizing a brand new osteotome and (ii) when utilizing an already used osteotome characterized by decreased fatigue strength. The actual nasal bone geometry used in the FEA model was obtained from a high-resolution, maxillofacial, computed tomography (CT) scan of a single patient. In both cases examined, depiction of fracture patterns for the osteotome and the nasal bone were obtained. The wear of a new osteotome and an already used osteotome was also calculated and compared. The developed von Mises stresses in both the osteotome and nasal bone were depicted. The proposed methodology allowed an accurate prediction of the critical number of impacts that the osteotome can receive during the lateral nasal osteotomy which is followed in all rhinoplasties. Based on the developed methodology, a preventive replacement of the osteotome before its extensive fracture can be determined, thereby minimizing the risk of postoperative complications.

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Більше джерел

Дисертації з теми "Osteotomy"

Gonçalves, Fernando Antonio. "Estabilidade da cirurgia combinada de maxila e mandibula para tratamento da maloclusão do tipo classe III." [s.n.], 2006. http://repositorio.unicamp.br/jspui/handle/REPOSIP/290214.

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Анотація:

Orientador: Vania Celia Vieira de Siqueira
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: Dentre as deformidades esqueléticas com indicação para o tratamentoortodôntico-cirúrgico encontra-se a maloclusão esquelética do tipo Classe III, podendo ocorrer devido à retrusão maxilar, protrusão mandibular ou uma combinação de ambas, comprometendo a harmonia facial e a função do sistema estomatognático. Com o aperfeiçoamento das técnicas cirúrgicas, os resultados dos tratamentos mostram-se cada vez mais previsíveis e estáveis, contudo a literatura mostra muitas variáveis que podem influenciar na estabilidade do tratamento ortodôntico-cirúrgico. Além disso, à medida que os pacientes estão obtendo um acesso cada vez maior a esta opção terapêutica para as maloclusões do tipo Classe III, julgamos importante avaliar sua estabilidade em 20 pacientes, sendo 11 do sexo masculino e 9 do feminino, com média de idade de 26 anos e 1 mês, submetidos inicialmente ao tratamento ortodôntico para descompensação dentária, com o subseqüente tratamento cirúrgico combinado de maxila e mandíbula, utilizando fixação interna rígida, e finalização ortodôntica. As telerradiografias, obtidas em norma lateral, pertencentes ao arquivo do CEDEFACE, realizaram-se antes da cirurgia, no pós-operatório imediato e no mínimo 6 meses após a cirurgia, com uma média de período pós-cirúrgico tardio de 27 meses. Avaliaram-se dezenove grandezas cefalométricas, e os resultados foram analisados estatisticamente. A cirurgia de avanço maxilar mostrou-se um procedimento muito estável. A estabilidade do recuo mandibular ficou comprometida no sentido horizontal, com recidiva de 37,75% no ponto B, e de 45,85% no ponto Pg, devido ao giro anti-horário da mandíbula entre os períodos pós-operatórios, ocorrido pela melhor intercuspidação pós-cirúrgica e adaptação muscular do paciente à nova posição esquelética, provocando um reposicionamento mais anterior da mandíbula. Os resultados apresentaram as mesmas tendências para ambos os sexos. Concluímos que no tratamento cirúrgico combinado da maloclusão do tipo Classe III, o procedimento realizado na maxila mostrou-se muito estável, e na mandíbula a estabilidade ficou comprometida no sentido horizontal, devido ao seu giro anti-horário; não foram evidenciadas diferenças estatísticas na estabilidade cirúrgica entre os sexos
Abstract: Amongst the skeletal deformities requiring orthosurgical treatment are the Class III malocclusions, which usually occur due to either maxillary retrusion, mandibular protrusion or a combination of both. As a result, both facial harmonyand stomatognathic function are impaired by such characteristics. As the surgicaltechniques improve, the treatment outcomes are found to be increasinglypredictable and stable. Many variables regarding such a malocclusion are reported by the literature as factors influencing the stability of the orthosurgical treatment. Also, as the patients have been obtaining more access to orthodontic treatment, particularly involving Class III malocclusions, we believe it is important to assess the surgical stabilisation. Twenty skeletal Class III patients (11 males and 9females) with a mean age of 22.1 years had been initially submitted to orthodontic treatment for dental decompansation so that maxillo-mandibular surgical treatment, using rigid internal fixation, could be performed later on, followed by a postsurgical orthodontic finishing. Pre and postsurgical lateral teleradiographs were obtained from the CEDEFACE¿s archives. Also, postsurgical radiographs taken at least 6 months after the surgery were used, with a mean late postsurgical period of 27 months. Nineteen cephalometric measurements were evaluated, and the results were statistically analysed. Maxillary advancement was thought to be a stable procedure. However, the stability of the mandibular setback was impaired in relation to the horizontal plane as evidenced by 37.75% and 45.85% of relapse for points B and Pg, respectively. The increased anterior repositioning of the mandible was due to its counterclockwise rotation, which had occurred during the postsurgical period as a result of the increased intercuspation following surgery. Additionally, the patient¿s muscular adjustment to the new skeletal positioning played an important role. The cephalometric measurements found for males showed similar trends in comparison with those found for females. Regarding the combined surgical treatment for Class III malocclusions, we can conclude that the procedure carried out on the maxilla was stable, although the mandibular stability was impaired in relation to the horizontal plane due to the counterclockwise rotation; no statistical differences in the surgical stability were observed between males and females
Doutorado
Ortodontia
Doutor em Radiologia Odontológica

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Cabral-Andrade, Valdir 1985. "Análise fotoelástica de influência de dois desenhos de osteotomia sagital do ramo mandibular fixados com miniplacas e parafusos de titânio para diferentes avanços mandibulares." [s.n.], 2013. http://repositorio.unicamp.br/jspui/handle/REPOSIP/289418.

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Анотація:

Orientador: José Ricardo de Albergaria Barbosa
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: O objetivo deste estudo foi avaliar dois desenhos diferentes de osteotomias sagitais do ramo mandibular, comparando a distribuição de tensões, utilizando como metodologia o teste fotoelástico. Para o teste de fotoelasticidade foi utilizada uma amostra composta de 06 hemimandibulas confeccionadas em resina fotoelástica, sendo o Grupo I representando a osteotomia angulada proposta por Epker (1977) e o Grupo II pela osteotomia linear sem angulos idealizada por Farrel & Tucker (2011). Os grupos I e II foram subdivididos em três subgrupos: IA/IIA (sem avanço); IB/IIB (com 3 milímetros de avanço) e IC/IIC (com 7 milímetros de avanço). Cada tipo de desenho de osteotomia sagital do ramo mandibular recebeu a mesma fixação, com uma miniplaca de titânio com 4 furos do sistema de 2,0 mm com quatro parafusos de 5 mm, sendo submetidas à incidência de carga linear a uma velocidade de deslocamento de 1mm/min. Na a análise fotoelástica, a osteotomia não angulada apresentou melhor padrão de distribuição de tensões. As tensões se concentraram ao redor do sistema de fixação na osteotomia convencional enquanto que na osteotomia não angulada as tensões não se concentraram somente ao redor do sistema de fixação, também para regiões de maior resistência do substrato, como a linha obliqua e base da mandíbula.
Abstract: The aim of this study was to evaluate two different designs of sagittal split ramus osteotomy, evaluating the stress distribution, using photoelastic test methodology. To photoelastic test used a sample of 06 hemimandibles made of photoelastic resin, with group I representing angled osteotomy proposed by Epker BN (1977) and group II by linear osteotomy without angles idealized by Farrel & Tucker (2011). Group I and II were divided into three subgroups: IA / IIA (without advance); IB / IIB (with 3mm forward) and IC / IIC (with 7 mm foward). Each type of drawing sagittal split osteotomy of the mandibular branch received the same internal fixation with a titanium plates with 4-hole system with four 2.0 mm screws of 5 mm length, with mandibular position ranging from 0 mm and an advancement of 3 mm and 7 mm in which were subjected to linear loading at a speed of 1mm/min. The results of photoelastic analysis demonstrated that not angled osteotomy showed better distribution of strain pattern. The fringes concentrated around the fixing system in the conventional osteotomy while the osteotomy is no angled strains appear not only to be concentrated around the fixation system, but to regions of higher resistance of the substrate as the base and the oblique line jaw.
Doutorado
Cirurgia e Traumatologia Buco-Maxilo-Faciais
Doutor em Clínica Odontológica

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Chehade, Antoine Jean-Marc. "A study comparing pterygomaxillary separation, with and without the use of an osteotome, during Le Fort I osteotomy." Thesis, McGill University, 1995. http://catalog.hathitrust.org/api/volumes/oclc/48117640.html.

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Aguiar, Rosângela Conceição Miotti de Souza [UNESP]. "Estudo em suínos sobre osteotomia com brocas de alta e baixa rotação e refrigeração líquida: análise radiográfica digital densitométrica em tecido ósseo alveolar." Universidade Estadual Paulista (UNESP), 2012. http://hdl.handle.net/11449/91420.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Através de recurso digital, foram realizados exames radiográficos densitométricos com a finalidade de se comparar a reparação cicatricial óssea alveolar quando da utilização, para corte, de brocas giratórias de alta e baixa rotações. No estudo, foram utilizados seis suínos da raça Large White, idade aproximada de dois meses e peso corpóreo inicial variando em torno de 20 Kg. Após os procedimentos anestésicos, dois cortes longitudinais na região alveolar mandibular esquerda foram realizados, um por meio de instrumento rotatório de alta rotação e o outro pela ação da baixa rotação, ambos com irrigação líquida. Após os períodos pós-operatórios de sete e quatorze dias, os animais foram sacrificados e suas mandíbulas retiradas para estudos radiográficos digitais indiretos, pelo sistema DIGORA. Os resultados obtidos apontaram para uma maior concentração de radiopacidade nas áreas onde se utilizaram brocas de baixa rotação, tanto no período de sete como no período de quatorze dias. Essas observações foram confirmadas pelos histogramas do DIGORA, que apontaram valores das médias dos pixels nas áreas de osteotomia, evidenciando uma maior média de pixel (maior quantidade de tons de cinza) nas osteotomias de baixa-rotação nos dois tempos pós-operatórios
Through digital resource, densitometric radiographic study were accomplished with the purpose of comparing the repair cicatricial alveolar bony when of the use, for cut, of rotative drills of discharge and it lowers rotations. In the study, six swines of the race Large White, approximate age of two months and initial corporal weight were used varying around 20 Kg. After the anesthetic procedures, two longitudinal cuts in the mandibular alveolar left area were accomplished, one through rotating instrument of high rotation and the other for the action of the low rotation, both with liquid irrigation. After the postoperative periods of seven and fourteen days, the animals were sacrificed and your jaws retired for studies by direct digital radiography, for the DIGORA system. The obtained results appeared for a larger radiopacity concentration in the areas where drills of low rotation were used, so much in the period of seven as in the period of fourteen days. Those observations were confirmed by the DIGORA histograms, that pointed values of the averages of the pixels in the osteotomy areas, evidencing a larger pixel average (larger amount of ash tones) in the low-rotation osteotomy in the two times post-operating

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Aguiar, Rosângela Conceição Miotti de Souza. "Estudo em suínos sobre osteotomia com brocas de alta e baixa rotação e refrigeração líquida : análise radiográfica digital densitométrica em tecido ósseo alveolar /." Araçatuba, 2012. http://hdl.handle.net/11449/91420.

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Анотація:

Orientador: Alvimar Lima de Castro
Banca: Gilberto Aparecido Coclete
Banca: Henrique José Baldo de Toledo
Resumo: Através de recurso digital, foram realizados exames radiográficos densitométricos com a finalidade de se comparar a reparação cicatricial óssea alveolar quando da utilização, para corte, de brocas giratórias de alta e baixa rotações. No estudo, foram utilizados seis suínos da raça Large White, idade aproximada de dois meses e peso corpóreo inicial variando em torno de 20 Kg. Após os procedimentos anestésicos, dois cortes longitudinais na região alveolar mandibular esquerda foram realizados, um por meio de instrumento rotatório de alta rotação e o outro pela ação da baixa rotação, ambos com irrigação líquida. Após os períodos pós-operatórios de sete e quatorze dias, os animais foram sacrificados e suas mandíbulas retiradas para estudos radiográficos digitais indiretos, pelo sistema DIGORA. Os resultados obtidos apontaram para uma maior concentração de radiopacidade nas áreas onde se utilizaram brocas de baixa rotação, tanto no período de sete como no período de quatorze dias. Essas observações foram confirmadas pelos histogramas do DIGORA, que apontaram valores das médias dos pixels nas áreas de osteotomia, evidenciando uma maior média de pixel (maior quantidade de tons de cinza) nas osteotomias de baixa-rotação nos dois tempos pós-operatórios
Abstract: Through digital resource, densitometric radiographic study were accomplished with the purpose of comparing the repair cicatricial alveolar bony when of the use, for cut, of rotative drills of discharge and it lowers rotations. In the study, six swines of the race Large White, approximate age of two months and initial corporal weight were used varying around 20 Kg. After the anesthetic procedures, two longitudinal cuts in the mandibular alveolar left area were accomplished, one through rotating instrument of high rotation and the other for the action of the low rotation, both with liquid irrigation. After the postoperative periods of seven and fourteen days, the animals were sacrificed and your jaws retired for studies by direct digital radiography, for the DIGORA system. The obtained results appeared for a larger radiopacity concentration in the areas where drills of low rotation were used, so much in the period of seven as in the period of fourteen days. Those observations were confirmed by the DIGORA histograms, that pointed values of the averages of the pixels in the osteotomy areas, evidencing a larger pixel average (larger amount of ash tones) in the low-rotation osteotomy in the two times post-operating
Mestre

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Santos, Saulo Ellery 1983. "Analise da estabilidade do reposicionamento inferior da maxila sem a utilização de enxerto interposicional = um estudo cefalometrico retrospectivo." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/287833.

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Анотація:

Orientador: Marcelo Marotta Araujo
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: A deficiência vertical de maxila verdadeira é uma característica da Síndrome de Face Curta (SFC), neste padrão de pacientes o reposicionamento inferior desta base óssea é realizado com o objetivo de proporcionar uma melhor estética e função. Porém este movimento cirúrgico tem sido descrito como o movimento de maior instabilidade cirúrgica pós-operatória, sendo muitas vezes associados ao uso de enxerto na região do "gap" ósseo. O objetivo deste trabalho foi avaliar a estabilidade em longo prazo do reposicionamento inferior da maxila onde foram utilizadas quatro placas em forma de "L" (duas no pilar canino e duas no pilar zigomático) do sistema 2,0mm sem a utilização de qualquer forma de enxerto, através da realização de um estudo cefalométrico retrospectivo utilizando medidas lineares dos pontos I, A, ENA, CMV, ENP as linhas de referências horizontal (S-N rotacionado 7° inferiormente) e vertical (perpendicular a S-N 7° passando pelo ponto S) onde foram utilizadas telerradiografias em três tempos: pré - operatória, pós imediata e tardia (mínimo 6 meses) em uma amostra de 10 pacientes adultos jovens. Como resultado encontrou-se uma média de movimento inferior nos pontos anteriores: incisivo de 5,13mm e uma recidiva de 2,36mm (43,39%), no ponto ENA de 5,82 e 2,87mm (48,44%) respectivamente e para o ponto A os valores de 5,34 e 2,80mm (51,41%). Uma forte correlação foi encontrada entre quantidade de movimento e quantidade de recidiva para todo os pontos analisados com um coeficiente de Pearson r>0,500. Pode-se concluir que somente a utilização de 4 placas em "L" do sistema 2,0mm utilizado não foram suficientes para alcançar uma estabilidade adequada em longo prazo e que existe uma forte correlação positiva entre a quantidade de movimento inferior e a quantidade de recidiva
Abstract: The true vertical maxillary deficiency is a characteristic of Short Face Syndrome (CFS), in these patients, the inferior repositioning of the maxilla is indicated in order to provide a better facial esthetics and improved function. But this surgical movement has been described as the most instable movement, and interpositional autogenous bone graft usually is used to increase post-surgical stability. The objective from this study was to evaluate long term post surgical stability of the inferior repositioning of the maxilla, fixed with four 2.0mm "L" shaped miniplate, positioned at canine and zygomatic-maxillary buttresses, without any type of graft. A cephalometric study was performed, analyzing linear measures the I, A, ANS, CMV and PNS points until horizontal reference line (S-N drawing 7° inferiorly) and vertical reference line (perpendicular the S-N 7° crossing S point) traced at 3 different times: immediate pre operative, immediate post operative and a long time post operative with least 6 months. A total sample of 10 young adult patients who underwent an inferior repositioning of the maxilla was achieved. As result of this study, it was found an average surgical movement of 5.13 mm at I point, 5.82mm at SNA point and 5.34mm at A point. A relapse of 2.36 mm (43.39%), 2.87 mm (48.44%) and2.80 mm (51.41%) was found respectively. A strong statistical positive correlation was found between the amount of movement and amount of relapse for all points analyzed with a Pearson coefficient r> 0.5000. It was concluded, in this sample, that the inferior repositioning of the maxilla using this type of internal rigid fixation without any type of graft is not stable and that one strong positive correlation exist enters the amount of inferior movement and amount relapse
Mestrado
Cirurgia e Traumatologia Buco-Maxilo-Faciais
Mestre em Clínica Odontológica

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Zorzi, Alessandro Rozim. "Osteotomia valgizante da tibia proximal com e sem enxerto osseo autologo = estudo clinico prospectivo." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/309809.

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Анотація:

Orientador: João Batista de Miranda
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Ciencias Medicas
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Resumo: Introdução: A técnica de abertura de cunha medial apresenta vantagens em relação às outras de osteotomia valgizante da tíbia, o que a tem tornado muito popular. Sua desvantagem é a criação de uma falha óssea na tíbia proximal, o que poderia possibilitar perda de correção ou retardo de consolidação. O uso de enxerto ósseo autólogo da crista ilíaca tem sido preconizado para diminuir o risco destas complicações. Entretanto, nenhum estudo clínico comparou a evolução clínica entre pacientes com e sem o uso do enxerto ósseo. Hipótese: Não há necessidade de enxerto ósseo na osteotomia de abertura medial, fixada com placa-calço igual ou menor que 12,5 mm. Desenho do estudo: Estudo clínico controlado, duplo-cego, randomizado. Métodos: Foram realizadas 46 osteotomias entre Abril de 2007 e Novembro de 2008. As osteotomias foram divididas aleatoriamente por um programa de computador em dois grupos de 23 joelhos cada. No grupo A, foi usado enxerto autólogo da crista ilíaca para preencher o espaço. No grupo B, o espaço foi deixado sem preenchimento. O enxerto foi coletado nos dois grupos, para garantir o mascaramento tanto dos pacientes quanto dos avaliadores. Avaliações clínicas foram realizadas a cada duas semanas até que sinais clínicos de consolidação estivessem presentes. Resultados: As varáveis demográficas foram similares nos dois grupos. A média de tempo para consolidação no grupo A foi de 12,4 semanas (IC 11,2 - 13,6), e no grupo B foi de 13,7 semanas (IC 12,5-14,9), sem diferença estatística (p=0,130). Perda de correção ocorreu em um paciente no grupo A (4,35%) e em dois pacientes no grupo B (8,7%). Conclusão: Nesta amostra, o tempo de consolidação das osteotomias foi similar nos grupos com e sem enxerto ósseo
Abstract: Background: Medial opening-wedge has gained popularity among other techniques of high tibial osteotomy with many advantages. The disadvantage of this method is the creation of a gap, with the possibility of collapse or delayed bone healing, and the need to harvest iliac crest bone graft. The filling of the gap is recommended, but no reports have compared grafted and ungrafted osteotomies. Hypothesis: There is no need for graft to achieve bone union in medial opening-wedge high tibial osteotomy when 12,5 mm or less spacer plate is used. Study design: Double-blinded randomized controlled clinical trial. Methods: Forty-six opening-wedge high tibial osteotomies were carried out. They were randomly divided by software in two groups of 23 knees: group A filled with autologous bone graft and group B unfilled. Bone graft was taken in all cases to ensure blindness of patients and investigators. Clinical evaluations were performed each two weeks until signs of bone union were achieved. Results: Demographic variables were similar in both groups. Mean time to bone union in group A was 12.4 weeks (CI 11.2-13.6) and in group B was 13.7 weeks (CI 12.5-14.9), without significant difference (p=0.130). Signals of loosening of screws occurred in one patient (4,35%) in group A, against two patients (8,7%) in group B. Conclusion: In this series both groups achieved bone union in similar times
Mestrado
Cirurgia
Mestre em Cirurgia

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Lima, Júnior Sergio Monteiro. "Avaliação fotoelastica da expansão rapida de maxila cirurgicamente assistida usando diferentes metodos de ancoragem ortodontica." [s.n.], 2010. http://repositorio.unicamp.br/jspui/handle/REPOSIP/289617.

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Анотація:

Orientadores: Luciana Asprino, Marcio de Moraes
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: O objetivo deste estudo foi avaliar por meio de modelos fotoelásticos de um crânio humano a expansão da maxila cirurgicamente assistida, comparando diferentes aparelhos e ancoragens ortodônticas para expansão e sua distribuição de forças, com e sem disjunção ptérigomaxilar. Foram utilizados nos testes seis aparelhos diferentes. Três Hyrax, um com ancoragem em primeiros pré-molares e primeiros molares (H1), um com ancoragem em caninos e primeiros molares (H2) e um com ancoragem em caninos e segundos molares (H3) e três aparelhos Haas (A1, A2, A3) com as três ancoragens citadas acima. Estes aparelhos foram submetidos a um teste de carga previamente a análise fotoelástica. Os testes de carga mostraram que todos os aparelhos avaliados produziram forças ortopédicas (> 500 gramas). A análise fotoelástica revelou que os aparelhos Haas apresentam distribuição de tensões mais homogêneas pela maxila; Os aparelhos com ancoragem em primeiros pré-molares e primeiros molares geram maior concentração de tensões na região posterior da maxila; A separação dos processos pterigóideos, em todos os seis crânios avaliados, mostrou diminuição das tensões com menor concentração das tensões por todo o esqueleto facial. Em conclusão, os aparelhos Haas apresentaram melhor distribuição das tensões com menor concentração das mesmas nos dentes e adjacências do que o aparelho Hyrax; as variações de ancoragem ortodôntica não apresentaram diferenças significativas; e todos os pilares de resistência, inclusive os processos pterigóideos, devem ser separados da maxila para evitar efeitos indesejáveis de acúmulo de tensões no restante das estruturas do crânio.
Abstract: The aim of this study was to evaluate how variations in the design of the orthodontic appliances and their anchorages would influence the distribution of forces along the cranial bones through a photoelastic skull model during the surgically assisted maxillary expansion with and without pterygoid splitting. It was used six different expanders in the tests. Three of them were Hyrax aplliances, with anchorage at first bicuspids and first molars (H1), canines and first molars (H2) and canines and second molars (H3). The three Haas appliances had the same anchorage patterns described above (A1, A2, A3). The three Haas appliances were submitted to a load peak test to evaluate the forces in the orthopedic range (> 500 grams). The photoelastic analysis revealed that Haas expanders generated similar anterior and posterior fringe patterns, while anchorage at first bicuspids and first molars created stress at the posterior region of the maxilla. The splitting of the pterygoid plates lowered the tension necessary for SARME. In conclusion, Haas expanders showed better distribution of tension lines in the maxilla, without higher concentration of tension in and around the teeth; variation on the anchorage does not influence the final result and release of all anatomic resistance, including pterygoid plates splitting facilitates the expansion movement.
Mestrado
Cirurgia e Traumatologia Buco-Maxilo-Faciais
Mestre em Clínica Odontológica

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Muszkat, Carlos 1948. "Avaliação da articulação patelo femoral e da função do joelho, pós-osteotomia medial e valgizante, supra tuberositária da tíbia = estudo prospectivo clínico e radiológico." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/309806.

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Анотація:

Orientador: João Batista de Miranda
Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Ciências Médicas
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Resumo: Objetivos: Avaliar a altura da patela e a função do joelho, pós-osteotomia medial e valgizante, supra tuberositária da tíbia (OMV-ST). Métodos: Vinte e cinco pacientes portadores de osteoartrite (OA) medial do joelho e instabilidade ligamentar, associados à deformidade em varo, foram submetidos à correção da deformidade, por meio de osteotomia medial e valgizante, de cunha aberta, supra tuberositária da tíbia. Estes pacientes e seus dados radiológicos foram avaliados pré e pós-operatoriamente, sendo medido a altura da patela e a função do joelho. Para estas medidas foram utilizados os Índices de Insall-Salvati(IIS), Caton-Deschamps(ICD) e o Knee Score(KS). Resultados: Pré-operatoriamente, a média das medidas da altura patelar, determinado pelo método de Insall-Salvati, resultou em 0,88+/-0,17. Após a cirurgia foi de 0,92+/-0,20, sem diferença estatística (p=0,186). Pelo método de Caton-Deschamps, a média da altura da patela antes da cirurgia foi de 0,64+/-0,14. Após a cirurgia houve uma redução significativa da altura da patela, com média de 0,53+/-0,11(p=0,0004). A média dos valores do Knee Score variou de 48,25+/-15,15 a 72,08+/- 16,87(p<0,001), aumento estatístico significativo após a cirurgia. Conclusão: Concluiu-se que após a osteotomia medial e valgizante, de cunha aberta, supra tuberositária da tíbia, o Índice de Caton-Deschamps indicou a ocorrência de patela baixa. O mesmo não ocorreu quando foi utilizado o Índice de Insall-Salvati. Houve melhora da função do joelho, segundo o Knee Score
Abstract: Objective: To measure patella height and knee function after medial opening-wedge high tibial osteotomy (MOW-HTO). Methods: MOW-HTO was carried out on 25 patients with osteoarthritis, or deficient knee ligament, associated with varus deformity. The patella height was measured before and after MOW-HTO with the Caton-Deschamps and Insall-Salvati Indices. The Knee Score was used to evaluate Knee Function. Results: Before surgery the average patella height using the Caton-Deschamps Index was 0.64+/-0.14. After surgery there was a significant reduction of patella height with an average of 0.53+/-0.11(p=0,0004). Using the Insall-Salvati Index the average pre-operation patella height was 0.88+/-0.17 and post-operatively 0.92+/-0.20 without any statistical significance(p=0.186). The average pre-operative Knee Score was 48.25+/-15,15 and 72,08+/-16,87 post-operative with a statistically significant improvement (p<0,001). Conclusion: After MOW-HTO there was patella baja when the Caton-Deschamps Index was used to measure height but the same did not occur when the Insall-Salvati Index was used. There was an improvement in Knee Function according to the Knee Score
Mestrado
Fisiopatologia Cirúrgica
Mestre em Ciências

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Raldi, Fernando Vagner [UNESP]. "Estudo da estabilidade da cirurgia do tipo sagital da mandíbula com vista a correção de deformidades faciais." Universidade Estadual Paulista (UNESP), 1994. http://hdl.handle.net/11449/131995.

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o presente trabalho o autor realizou um estudo da estabilidade da cirurgia do tipo sagital da mandíbula com vista a correção de deformidades faciais. Doze pacientes foram selecionados da clínica de um mesmo cirurgião, sendo seis portadores de Prognatismo Mandibular (classe III de Angle) e sendo seis portadores de retrognatismo mandibular (classe II de Angle). Os pacientes foram analisados comparativamente através das medidas angulares e lineares obtidas em radiografias cefalométricas, no pré-operatório, pós-operatório imediato e pós-operatório de um ano chegando-se as seguintes conclusões: 1 As cirurgias realizadas pela técnica Dal Pont modificada por Epker ( 1977) para correção de prognatismo e retrognatismo mandibular são estáveis, e podem e devem ser indicadas no tratamento das referidas deformidades. 2 Pequenas recidivas previstas são normalmente corrigidas pela ortodontia pós-operatória. 3 Uma pequena supra correção é aconselhável em casos de grandes avanços ou retrusões. 4 Naqueles pacientes onde o movimento da retrusão mandibular é muito grande é aconselhável se usar concomitantemente à técnica sagital de mandíbula, um avanço de maxila. Nestes casos pode-se ainda indicar a fixação rígida
This research evaluated the surgical stabilily in patients with mandibular prognathism and retrognathism in which was used sagital split technic to correct those detormities. Twelve patients were selected from the clinic of only one experienced surgeon. Six patients presenter a Class III 6 a Class II molar relationship. A comparative cefalometric analysis using linear and angular measurements was performed of pre-surgery, imediate pós-surgery and 1 year follow-up. The following conclusions were obtained. 1 The Dal Pont sagital split technic modified by Epker to correct mandibular prognathisn and retroghnatism is a stable technic and must be indicated to correct those deformities. 2 Small relapses are easily corrected by the post-surgical orthodontic treatment. 3 A small over correction is advised in cases of large mandibular advancements or set bascks. 4 In those cases which a large amount of mandibular retrusion on advancement need to be performed, a combination of maxillary and mandibular surgery should be used. Rigid fixation technic is also indicated in those cases

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Книги з теми "Osteotomy"

Wang, Yan, Oheneba Boachie-Adjei, and Lawrence Lenke, eds. Spinal Osteotomy. Dordrecht: Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-017-8038-4.

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Tian, Huizhong, Yuan Ma, Jingming Xie, and Yingsong Wang, eds. Spinal Osteotomy Orthopaedics. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-16-1387-6.

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Oussedik, Sam, and Sebastien Lustig, eds. Osteotomy About the Knee. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-49055-3.

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Heine, Jochen. Pfannenrekonstruktion bei Huftdysplasie: Indikation, Technik, Spatergebnisse und Komplikationen bei Osteotomien nach Salter und Pemberton. Stuttgart: F. Enke, 1987.

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Koshino, Tomihisa. High tibial osteotomy and knee arthroplasty for osteoarthritis and rheumatoid arthritis. Yokohama: Department of Orthopaedic Surgery, Yokohama City University School of Medicine, 2006.

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E, Marcinko David, ed. Comprehensive textbook of hallux abducto valgus reconstruction. St. Louis: Mosby Year Book, 1992.

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Deutsche Gesellschaft für Orthopädie und Traumatologie. Arbeitskreis für Hüftdisplasie and Tönnis D. (Dietrich), eds. Die operative Behandlung der Hüftdysplasie: Technik und Ergebnisse : 2. Sammelstatistik des Arbeitskreises für Hüftdysplasie der Deutschen Gesellschaft für Orthopädie und Traumatologie. Stuttgart: F. Enke Verlag, 1985.

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Waddell, James P. The role of osteotomy in the correction of congenital and acquired disorders of the skeleton. Rijeka: InTech, 2012.

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G, Hierholzer, and Müller K. H, eds. Corrective osteotomies of the lower extremity after trauma. Berlin: Springer-Verlag, 1985.

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Kinnunen, Pentti. High tibial osteotomy for femorotibial osteoarthritis: With special reference to the frontal plane morphology of the femur. Oulu: University of Oulu, 1990.

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Chang, Kao-Wha. "Smith-Peterson Osteotomy and Ponte Osteotomy." In Spinal Osteotomy, 75–87. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8038-4_7.

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Feucht, Matthias J., and Stefan Hinterwimmer. "Osteotomy." In Surgical Atlas of Sports Orthopaedics and Sports Traumatology, 289–301. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-662-43776-6_19.

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Benjamin, Alexander, Basil Helal, Stephen A. Copeland, and Jo C. W. Edwards. "Osteotomy." In Surgical Repair and Reconstruction in Rheumatoid Disease, 63–74. London: Springer London, 1993. http://dx.doi.org/10.1007/978-1-4471-1942-5_7.

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Johnson, K. A. "Osteotomy." In Manual of Internal Fixation in Small Animals, 241–46. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-642-60288-7_6.

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Maggiore, Francesco, and Syngcuk Kim. "Osteotomy." In Microsurgery in Endodontics, 57–65. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119412502.ch7.

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Wang, Yan. "History of Spine Osteotomy." In Spinal Osteotomy, 1–10. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8038-4_1.

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Wang, Yan, Guo-Quan Zheng, Yong-Gang Zhang, Songhua Xiao, Hui Liu, and Peng Huang. "Posterior Vertebral Column Decancellation (VCD) for Severe Rapid Spinal Deformities." In Spinal Osteotomy, 131–37. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8038-4_10.

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Gomez, Jaime A., Felipe Ramirez, and Daniel J. Hedequist. "Hemivertebrae Excision: Technique for Congenital Spine Deformity." In Spinal Osteotomy, 139–47. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8038-4_11.

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Zhang, Yong-Gang, Kai Song, Guo-Quan Zheng, Xue-Song Zhang, Keya Mao, Hui Liu, and Yan Wang. "The Management of Thoracolumbar Kyphotic Deformity in Ankylosing Spondylitis." In Spinal Osteotomy, 149–62. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8038-4_12.

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Zhang, Hong, and Daniel J. Sucato. "Rod Link Reducer Posterior System for Vertebral Column Resection: A Porcine Model." In Spinal Osteotomy, 163–78. Dordrecht: Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8038-4_13.

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Тези доповідей конференцій з теми "Osteotomy"

Horvath, Samantha, Beatriz Paniagua, Johan Andruejol, Antonio R. Porras, Marius G. Linguraru, and Andinet Enquobahrie. "Osteotomy planner: an open-source tool for osteotomy simulation." In Image-Guided Procedures, Robotic Interventions, and Modeling, edited by Robert J. Webster and Baowei Fei. SPIE, 2018. http://dx.doi.org/10.1117/12.2293649.

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Scheer, Justin K., Jessica A. Tang, Vedat Deviren, Jenni M. Buckley, Murat Pekmezci, R. Trigg McClellan, and Christopher P. Ames. "Biomechanical Analysis of Osteotomy Type (OWO, CWO) and Rod Diameter for Treatment of Cervicothoracic Kyphosis." In ASME 2010 Summer Bioengineering Conference. American Society of Mechanical Engineers, 2010. http://dx.doi.org/10.1115/sbc2010-19128.

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Sagittal imbalance of the cervicothoracic spine often causes severe pain and loss of horizontal gaze. Traditionally, C7 opening wedge osteotomy has been classically performed for patients with ankylosing spondylitis. For patients without ankylosing spondylitis closing wedge osteotomy may be considered for more controlled closure. Biomechanical characteristics of the two osteotomy alternatives have not yet been analyzed. The goal of this study is to characterize the structural stability of the two types of cervicothoracic junction osteotomies and the independent effect of rod diameter.

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Niwa, Koji, Kazuki Yane, Yusuke Kido, Tomoya Kitamura, and Takahiro Nozaki. "Development of Automatically Controlled Facial Osteotomy Robot using Force Information - For Safe Le Fort I Osteotomy -." In 2023 IEEE 32nd International Symposium on Industrial Electronics (ISIE). IEEE, 2023. http://dx.doi.org/10.1109/isie51358.2023.10228084.

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Shamir, S. K., J. Wolynski, C. Duncan, C. M. Puttlitz, and F. M. Duerr. "Use of a Novel Osteotomy Guide (Bonetractor) for Closing Wedge Osteotomies: Ex vivo Evaluation of Osteotomy Accuracy." In Abstracts of the 46th Annual Conference of the Veterinary Orthopedic Society. Georg Thieme Verlag KG, 2019. http://dx.doi.org/10.1055/s-0039-1692290.

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Rethlefsen, Susan, Alison Hanson, Tishya Wren, and Robert Kay. "Calcaneal Sliding Osteotomy Versus Calcaneal Lengthening Osteotomy for Valgus Foot Deformity Correction in Children with Cerebral Palsy." In 26th Annual Meeting of the GCMAS. GCMAS, 2021. http://dx.doi.org/10.52141/gcmas2021_161.

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Liu, Yuanfeng, Tingchun Shi, Zhaoming Ye, and Yonghui Ma. "Study on osteotomy guide plate generation system." In Tenth International Conference on Graphics and Image Processing (ICGIP 2018), edited by Hui Yu, Yifei Pu, Chunming Li, and Zhigeng Pan. SPIE, 2019. http://dx.doi.org/10.1117/12.2524265.

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Korff, Alexander, Axel Follmann, Tobias Fu, Thomas Jalowy, and Klaus Radermacher. "Optical sensors for a synergistically controlled osteotomy system." In 2010 Ninth IEEE Sensors Conference (SENSORS 2010). IEEE, 2010. http://dx.doi.org/10.1109/icsens.2010.5690318.

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Pflugi, Silvio, Rakesh Vasireddy, Till Lerch, Timo M. Ecker, Moritz Tannast, Nane Boemke, Klaus Siebenrock, and Guoyan Zheng. "Augmented marker tracking for peri-acetabular osteotomy surgery." In 2017 39th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC). IEEE, 2017. http://dx.doi.org/10.1109/embc.2017.8036979.

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Zeilhofer, Hans-Florian U., Robert Sader, Hans-Henning Horch, Arthur P. Wunderlich, Rainer Kirsten, and H. C. P. Gerhardt. "Computer-assisted individual osteotomy design for mandibular reconstruction." In IS&T/SPIE 1994 International Symposium on Electronic Imaging: Science and Technology, edited by Robert J. Moorhead II, Deborah E. Silver, and Samuel P. Uselton. SPIE, 1994. http://dx.doi.org/10.1117/12.172071.

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Rehder, Roberta, Alessandra Silva, Vera Cardim, Ernani Atie, Ana Moura, Fábio Nakasome, and Nelci Zanon. "The nautilus technique: spiral osteotomy for cranial reconstruction." In XXXII Congresso Brasileiro de Neurocirurgia. Thieme Revinter Publicações Ltda, 2018. http://dx.doi.org/10.1055/s-0038-1673004.

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Звіти організацій з теми "Osteotomy"

Buchbinder, Daniel. Le Fort I Osteotomy. Touch Surgery Simulations, January 2016. http://dx.doi.org/10.18556/touchsurgery/2015.s0062.

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Tserovsky, Stefan, Venelin Alexiev, and Boyan Hristov. Treatment of Adolescent Epiphysiolysis with Ganz Realignment Subcapital Osteotomy. "Prof. Marin Drinov" Publishing House of Bulgarian Academy of Sciences, August 2018. http://dx.doi.org/10.7546/crabs.2018.08.18.

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Delgado, Ralph. Surgical Site Infection in Canine Tibial Plateau Leveling Osteotomy. Ames (Iowa): Iowa State University, May 2024. http://dx.doi.org/10.31274/cc-20240624-1363.

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Vélez, Rómulo Andrés, Alejandro Fereño Caceres, Wilson Daniel Bravo Torres, Daniela Astudillo Rubio, and Jacinto José Alvarado Cordero. Primary stability with the osseodensification drilling technique for dental implants in low density bone in humans: a systematic review. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, September 2022. http://dx.doi.org/10.37766/inplasy2022.9.0066.

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Review question / Objective: - Does the osseodensification drilling technique increase primary stability in low-density bone? - The aim of the present investigation was to evaluate primary stability in dental implants in people with low density bone using the osseodensification technique. Condition being studied: The replacement of missing teeth through dental implants is currently the most practiced in dental clinics. The main criterion for determining the success of an implant is osseointegration, which is a direct structural and functional connection between vital bone and the prosthetic load-bearing surface of an implant. In the same way, primary stability must be obtained for a good lasting clinical result of the implant and to achieve this purpose, the bone density must be evaluated where the dental implant is to be placed. Salah Huwais in 2013 introduced a new osteotomy procedure (Oseodensification) for site preparation without removal and bone preservation. The Osseodensification process produces an autograft layer around the implant with the osteotomy surface, the autologous bone comes into contact through an endosteal device that accelerates osseointegration due to the nucleation of osteoblasts in the instrumented bone adjacent to the implant and has a greater primary stability due to contact between the device and the bone.

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Hu, Quan, Jinsong Jiang, and Qi Li. Changes in medial meniscus extrusion values and clinical outcomes after high tibial osteotomy: a systematic review and meta-analysis. INPLASY - International Platform of Registered Systematic Review and Meta-analysis Protocols, April 2024. http://dx.doi.org/10.37766/inplasy2024.4.0102.

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