Literatura científica selecionada sobre o tema "Dental enamel Deterioration"
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Artigos de revistas sobre o assunto "Dental enamel Deterioration"
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Jensen, Emilija Daina. "Generalised hypomineralisation of enamel in oculodentodigital dysplasia: comprehensive dental management of a case". BMJ Case Reports 14, n.º 1 (janeiro de 2021): e238079. http://dx.doi.org/10.1136/bcr-2020-238079.
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Oculodentodigital dysplasia (ODDD) is a rare congenital disorder characterised by developmental abnormalities of the eye, dentition and digits of the hands and feet, with neurological symptoms reported in 30% of individuals. Dental anomalies associated with ODDD include enamel hypoplasia and subsequent caries, microdontia, missing teeth, amelogenesis imperfecta, pulp stones and delayed tooth development. Here, we describe the comprehensive dental management of a 3-year-old girl who presented with rapid deterioration of the primary dentition due to generalised enamel hypomineralisation. Conservative, comprehensive restorative management was performed under general anaesthesia. Within 6 months, further breakdown of the remaining unrestored enamel was noted. This case documents the challenges of conservative management in dental anomalies that are not well documented due to the extreme rarity of the disorder.
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Zarif, Maria Elena, Sașa Alexandra Yehia, Bogdan Biță, Veronica Sătulu, Sorin Vizireanu, Gheorghe Dinescu, Alina Maria Holban et al. "Atmospheric Pressure Plasma Activation of Hydroxyapatite to Improve Fluoride Incorporation and Modulate Bacterial Biofilm". International Journal of Molecular Sciences 22, n.º 23 (3 de dezembro de 2021): 13103. http://dx.doi.org/10.3390/ijms222313103.
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Despite the technological progress of the last decade, dental caries is still the most frequent oral health threat in children and adults alike. Such a condition has multiple triggers and is caused mainly by enamel degradation under the acidic attack of microbial cells, which compose the biofilm of the dental plaque. The biofilm of the dental plaque is a multispecific microbial consortium that periodically develops on mammalian teeth. It can be partially removed through mechanical forces by individual brushing or in specialized oral care facilities. Inhibition of microbial attachment and biofilm formation, as well as methods to strengthen dental enamel to microbial attack, represent the key factors in caries prevention. The purpose of this study was to elaborate a cold plasma-based method in order to modulate microbial attachment and biofilm formation and to improve the retention of fluoride (F−) in an enamel-like hydroxyapatite (HAP) model sample. Our results showed improved F retention in the HAP model, which correlated with an increased antimicrobial and antibiofilm effect. The obtained cold plasma with a dual effect exhibited through biofilm modulation and enamel strengthening through fluoridation is intended for dental application, such as preventing and treating dental caries and enamel deterioration.
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Luchowska, Anna, Monika Sroczyńska e Aleksandra Żaczek. "Aesthetic problem in the appearance of permanent teeth in children and adolescents - dental fluorosis." Journal of Education, Health and Sport 13, n.º 2 (23 de dezembro de 2022): 124–30. http://dx.doi.org/10.12775/jehs.2023.13.02.017.
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Introduction: Dental fluorosis is a disease caused by excessive consumption of fluoride and its deposition in the enamel during odontogenesis. The result of this process is the appearance on the surface of permanent teeth of unsightly stains of various colors depending on the intensity of damage to the enamel. Deterioration of dental aesthetics can significantly affect the quality of life of patients affected by dental fluorosis.Aim of the study: The purpose of this study is to present contemporary knowledge on the cause, diagnosis and treatment of dental fluorosis.Materials and methods: Medical databases of the National Center for Biotechnology Information/PubMed and Google Scholar were analyzed by typing the following keywords: dental fluorosis, fluoride poisoning, amelogenesis, enamel. When analyzing the literature, data from 25 scientific articles from the last five years (2017-2022) were used.Results: In most of the articles, the authors emphasize the significant association between consumption of fluoridated water and fluorosis of permanent teeth. The literature is unanimous regarding the choice of minimally invasive treatment procedures when dental fluorosis needs to be treated.Conclusions: Dental fluorosis is a significant aesthetic and functional problem among affected children. Education about the etiology of dental fluorosis and ways to avoid it should be constantly disseminated among children's caregivers. Patients affected by this problem should be under the constant care of a dentist.
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Okawa, Rena, e Kazuhiko Nakano. "Dental Manifestations and Oral Management of X-Linked Hypophosphatemia". Endocrines 3, n.º 4 (21 de outubro de 2022): 654–64. http://dx.doi.org/10.3390/endocrines3040056.
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X-linked hypophosphatemia (XLH) is the most common genetic form of rickets and osteomalacia and is characterized by growth retardation, deformities of the lower limbs, and bone and muscular pain. Spontaneous dental abscesses caused by endodontic infections due to dentin dysplasia are well-known dental manifestations. When dentin affected by microcracks or attrition of the enamel is exposed to oral fluids, oral bacteria are able to invade the hypomineralized dentin and pulp space, leading to pulp necrosis, followed by the formation of a periapical gingival abscess. Without appropriate dental management, this dental manifestation results in early loss of teeth and deterioration in the patient’s quality of life. Early specific dental intervention and oral management in collaboration with medical personnel are strongly recommended for XLH patients. Importantly, dental manifestations sometimes appear before the diagnosis of XLH. Dentists should be alert for this first sign of XLH and refer affected children to a pediatrician for early diagnosis. A humanized monoclonal antibody for FGF23 (burosumab) is a promising new treatment for XLH; however, the effects on the dental manifestations remain to be elucidated. The establishment of fundamental dental therapy to solve dental problems is still underway and is eagerly anticipated.
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Butera, Andrea, Carolina Maiorani, Simone Gallo, Maurizio Pascadopoli, Sergio Buono e Andrea Scribante. "Dental Erosion Evaluation with Intact-Tooth Smartphone Application: Preliminary Clinical Results from September 2019 to March 2022". Sensors 22, n.º 14 (8 de julho de 2022): 5133. http://dx.doi.org/10.3390/s22145133.
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Dental erosion is a process of deterioration of the dental hard tissue; it is estimated that about 30% of permanent teeth are affected in adolescence. The Intact-Tooth application allows for the better estimation of the problem, inserting itself in the diagnosis process, and better care and prevention for the patient. It provides him with scientifically validated protocols, which the patient can consult at any time. The purpose of this report was to conduct an initial evaluation on the use of the application, which has been available since September 2019: the analysis of the collected data allowed the first investigation of the incidence of the problem and the degree of susceptibility in the registered patients. Photos of 3894 patients with dental erosion were uploaded, through which the degree of susceptibility and the BEWE (basic erosive wear examination index) index could be assessed; of these, 99.72% had a susceptibility grade of 0 to 8, while 0.28% had a medium-high susceptibility grade; this result is related to the age and sex of the patients. The management of patients through the help of the application could promote the diagnosis and treatment of enamel diseases and encourage the self-learning of the learning machine, thanks to the number of clinical cases uploaded.
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BYKOV, I. M., F. N. GILMIYAROVA, D. A. DOMENYUK, S. V. DMITRIENKO, S. O. IVANYUTA e G. M. A. BUDAYCHIEV. "EVALUATION OF CARIOGENIC SITUATION IN CHILDREN WITH TYPE 1 DIABETES MELLITUS GIVEN THE MINERALIZING POTENTIAL OF SALIVA AND ENAMEL RESISTANCE". Kuban Scientific Medical Bulletin 25, n.º 4 (3 de outubro de 2018): 22–36. http://dx.doi.org/10.25207/1608-6228-2018-25-4-22-36.
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Aim.This study was conducted to evaluate the caries resistance of hard tooh tissues and the state of the calcium and phosphorus metabolism in children with type 1 diabetes mellitus given the mineralizing potential of saliva and antimicrobial protection of the oral cavity.Materials and methods. There was conducted a general clinical, dental, laboratory examination of 127 children with type 1 diabetes mellitus aged 7 to 12 years with the endocrinopathy experience from eight months to ten years. The obtained data were compared with the results of the examination of 37 "healthy" and "practically healthy" children of this age category. When assessing the dental status of children, were used the hygienic index (Y.A. Fedorov, V.V. Volodkina, 1970), the CFE/ cf index (WHO Expert Committee, 1962), the simplified hygienic index OHI-S (Green, Vermillion, 1964). The intensity of the enamel demineralization processes was assessed using the enamel resistance test (V.R. Okushko, L.I. Kosavera, 1984) and vital staining (L.A. Aksamit, 1978). The electrometry of hard tooth tissues was carried out by the electrodiagnostic apparatus "Dent Est" (V.K. Leontiev, G.G. Ivanova, 1985).The laboratory diagnostics of the salivary indicators included the study of calcium (total, ionized), inorganic phosphorus, alkaline phosphatase, osteocalcin, parathyroid hormone, 25-hydroxyvitamin D3, lactoferrin. The microcrystallization and mineralizing potential of saliva were determined according to Leus P.A. (1997).Results.At the early stages of type 1 diabetes mellitus development children have a compensated and subcompensated form of the carious process, the increase in the enamel permeability, a slight predominance of the demineralization processes over the remineralization processes in solid tooth tissues. It indicates that self-regulation of the mineral metabolism mechanisms takes place while maintaining the physiological remineralizing properties of saliva. At a late stage of type 1 diabetes mellitus development a high intensity and decompensated form of the carious lesions are established as well as low structural and functional enamel resistance and pronounced processes of hard tooth tissues demineralization. The emergence of this complex in children with the experience of endocrinopathy for more than five years indicates the depletion of salivary gland functionality, the disturbance of mobilization salivary systems in response to the occurrence of the cariogenic situation in the oral cavity, the change in calcium homeostasis, the decrease in enamel resistance to organic acids and the absence of saliva crystallization.Conclusion.The growing positive dynamics of index growth in children with long-term type 1 diabetes mellitus, indicating the deterioration of the dental status, requires adherence to the principles of rational nutrition, quarterly professional caries preventive measures using modern and effective oral care products, the introduction of active forms of hygienic training and education taking into account the mineralizing potential of saliva as well as careful monitoring of the acquired manual skills.
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Liubarets, S., O. Kaminskyi, T. Liubarets, D. Afanasyev, G. Shapovalova e O. Savychuk. "ORAL HYGIENE IN CHILDREN WITH DISTURBANCES IN TOOTH FORMATION WHO WERE AFFECTED AS A CONSEQUENCE OF THE ChNPP ACCIDENT". Проблеми радіаційної медицини та радіобіології = Problems of Radiation Medicine and Radiobiology 25 (2020): 478–89. http://dx.doi.org/10.33145/2304-8336-2020-25-478-489.
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Objective. evaluation of oral hygiene to enhance the prophylaxis of complications specifically of dental caries in children with disturbances in tooth formation (DTF) who live on radiologically contaminated territories after the Chornobyl NPP (ChNPP) accident. Materials and methods. Children aged 6–14 years (n = 1470) with DTF were the study subjects examined in 2012– 2016. Among them there were (n = 528) residents of the zones III and IV of radiological contamination after the ChNPP accident with 137Cs soil contamination density 1-15 Ci/km2. The effective radiation dose in them was not exceeding 1 mSv/year. The Green-Vermillion and Silness-Loe oral hygiene indices were assesses within clinical examination methods. Results. The worth oral hygiene was revealed in children having got the DTF, compensated chronic diseases of organs and systems, and in those with burdened radiation history. The Green-Vermilion and Silness-Loe indices were 1.7 ± 0.51 and 1.65 ± 0.46 respectively. Conclusions. A significant deterioration in oral hygiene confirmed by the highest values of the Green-Vermillion index (1.7 ± 0.51; p < 0.001 – «unsatisfactory oral hygiene» criterion) and Silness-Loe index (1.65 ± 0.46; p < 0.001 – «poor oral hygiene» criterion) was found in children with DTF aged 6-14 years being residents of contaminated areas as a result of the Chernobyl accident. The revealed deterioration may be due to a set of negative factors, including the impact of ionizing radiation in low doses and peculiarities of social status. Results of the questioning of surveyed pediatric contingents both having got an DTF and with no defects of the hard tissues of teeth indicate an insufficient level of knowledge and skills in hygienic care of oral cavity regardless of the area of residence. Development of a set of measures to prevent the DTF complications in children should be carried out taking into account the state of oral hygiene, level of knowledge and skills in oral care, and include the use of hygiene products, namely toothpastes and anti-caries mouthwashes. Key words: children, disturbances in tooth formation, systemic hypoplasia of enamel, molar-incisor enamel hypomineralization, hygienic indices, ionizing radiation, ChNPP accident.
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Afanasyev, D., e S. Liubarets. "ODONTOLOGICAL EFFECTS OF IONIZING RADIATION (review)". Проблеми радіаційної медицини та радіобіології = Problems of Radiation Medicine and Radiobiology 25 (2020): 18–55. http://dx.doi.org/10.33145/2304-8336-2020-25-18-55.
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Background. Odontological effects of ionizing radiation (IR) as a result of radiotherapy, the consequences of acci-dents at nuclear power plants and industry, individual occupational exposure, etc. deserve significant attention interns of radiation medicine and radiation safety. Objective: to analyze and summarize clinical and experimental data on the odontological radiation effects. Materials and methods. Object: the pathological changes in the hard tissues of teeth, pulp, periodontium, mucous membranes of the mouth and jaws due to exposure to IR. Method: search in the PubMed / MEDLINE, Google Scholar abstract medical and biological databases, scientific libraries of the relevant sources of scientific information. Results. Radiobiological effects of IR due to its direct and indirect action are manifested throughout the period of odontogenesis and formation of the facial skeleton. Experimental and clinical data (in children and adults) indicate the increased risk of dental caries, reduction of pain threshold and vascularization of tooth pulp along with its fibrosis and atrophy, periodontal dysfunction, which predispose to a high probability of tooth loss. Abnormalities in the activity of osteoblasts and cementoblasts of dental periosteum and osteoblasts of alveolar process in combination with circulatory disorders due to endothelial cell death, hyalinization, thrombosis and vascular obliteration increase the risk of jaw osteoradionecrosis. Children who have undergone a prenatal exposure to IR as a result of the Chornobyl NPP accident have a premature change of teeth. Deterioration of periodontal tissues and early development of acute and complicated dental caries are typical for children and adults affected by the Chornobyl disaster. Conclusions. Summarized data on the effects of radiation exposure under different conditions on teeth primordia (i.e. immature teeth), their formation and eruption in experimental and clinical settings, as well as on the odontological radiation effects in adults are summarized. Condition of the teeth in the Chornobyl NPP accident survivors is described. Understanding and taking into account the radiobiological odontological effects is necessary in the light of planning, preparing, and conducting local radiation therapy and developing the standards of radiation safety and measures to protect professionals and the public in the event of possible radiation accidents at the nuclear power plants and industry facilities. Key words: ionizing radiation, radiation therapy, Chornobyl NPP accident, odontology, tooth enamel, dentin, pulp, periodontium, caries, odontogenesis.
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Santiago de Melo Conceição, Matheus Augusto, Roberto Carlos Carvalho Cerqueira, Hellen Catarinne Pereira dos Santos de Santana, Thaiara Rocha da Silva da Cruz Dias e Larissa Rolim Borges-Paluch. "Correlação de Fatores Causais e Presença de Lesões Cervicais não Cariosas em usuários do Sistema Único de Saúde". Ensaios e Ciência C Biológicas Agrárias e da Saúde 25, n.º 4 (14 de dezembro de 2021): 506–12. http://dx.doi.org/10.17921/1415-6938.2021v25n4p506-512.
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As lesões cervicais não cariosas são definidas pelo dano à estrutura dentária em função de ações mecânicas e deterioração química na junção cemento-esmalte, na ausência da lesão cariosa, podendo acarretar problemas estéticos, funcionais, sistêmicos e comportamentais. Diante do exposto, a pesquisa traz como objetivo geral identificar a ocorrência de lesões cervicais não cariosas e a influência de fatores associados em pacientes do Sistema Único de Saúde de um município do Recôncavo da Bahia. A pesquisa foi de natureza descritiva de abordagem quantitativa. O estudo foi realizado em uma Unidade Básica de Saúde, na qual os usuários foram submetidos a um questionário abordando questões socioeconômicas, demográficas e de hábitos comportamentais. Para a análise foi utilizado o modelo de regressão logística considerando-se as razões de chances (odds ratio) brutas e ajustadas e o Teste de Hosmer e Lemeshow. Entre os fatores avaliados, na presente pesquisa, se observou relação significativa da presença das lesões com o avanço da idade, presença de distúrbio gastrointestinal e tipo de escova utilizada. O tipo de lesão mais recorrente foi a erosão, presente em 41,7% dos usuários, seguido de abrasão e abfração. O conhecimento dos principais problemas bucais da população é imprescindível aos gestores de saúde pública visando melhor planejamento de ações, de maneira eficaz e eficiente na resolutividade desses agravos. Palavras-chave: Erosão Dentária. Saúde Bucal. Abrasão Dentária. Abstract Non-carious cervical lesions are defined by damage to the dental structure due to mechanical actions and chemical deterioration at the cemento-enamel junction in the absence of the carious lesion and can lead to aesthetic and functional, systemic and behavioral problems. In view of the above, the general objective of the research is to identify the occurrence of non-carious cervical lesions and the influence of associated factors in patients of the Single Health System of a city of Recôncavo da Bahia. The research had a descriptive nature with quantitative approach. The study was carried out in a Basic Health Unit where users were given a questionnaire that addressed socioeconomic, demographic and behavioral habits issues. For the analysis, the logistic regression model was used, considering the gross and adjusted odds ratio and the Hosmer and Lemeshow Test. Among the factors evaluated in this research a significant relationship was observed of the presence of lesions with the advancement of age, presence of gastrointestinal disorder and type of brush used. The most recurrent type of lesion was erosion, present in 41.7% of users, followed by abrasion and abfraction. The knowledge of the main population oral problems is essential to public health managers aiming at better planning of actions, and better and faster resolution of these diseases. Keywords: Dental Erosion. Oral Health. Dental Abrasion.
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Racz, Robert, Akos Nagy, Zoltan Rakonczay, Erika Katalin Dunavari, Gabor Gerber e Gabor Varga. "Defense Mechanisms Against Acid Exposure by Dental Enamel Formation, Saliva and Pancreatic Juice Production". Current Pharmaceutical Design 24, n.º 18 (12 de setembro de 2018): 2012–22. http://dx.doi.org/10.2174/1381612824666180515125654.
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The pancreas, the salivary glands and the dental enamel producing ameloblasts have marked developmental, structural and functional similarities. One of the most striking similarities is their bicarbonate-rich secretory product, serving acid neutralization. An important difference between them is that while pancreatic juice and saliva are delivered into a lumen where they can be collected and analyzed, ameloblasts produce locally precipitating hydroxyapatite which cannot be easily studied. Interestingly, the ion and protein secretion by the pancreas, the salivary glands, and maturation ameloblasts are all two-step processes, of course with significant differences too. As they all have to defend against acid exposure by producing extremely large quantities of bicarbonate, the failure of this function leads to deteriorating consequences. The aim of the present review is to describe and characterize the defense mechanisms of the pancreas, the salivary glands and enamel-producing ameloblasts against acid exposure and to compare their functional capabilities to do this by producing bicarbonate.
Teses / dissertações sobre o assunto "Dental enamel Deterioration"
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Shabanian-Borojeni, Mitra. "Wear studies of enamel and some restorative materials". Title page, contents and summary only, 2001. http://web4.library.adelaide.edu.au/theses/09PH/09phs5241.pdf.
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Includes bibliographical references (leaves [1-20]). A systematic analysis of wear involving the in vitro analysis of the wear of standard composite resin and glass ionomer cements restorations under controlled conditions; and, the qualitative and quantitative investigation of wear over a range of pH's and loads which might be encountered clinically in order to develop a "wear map" of the micromorphology of wearing teeth and restorations and a systematic modeling of wear rates.
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Shabanian-Borojeni, Mitra. "Wear studies of enamel and some restorative materials / Mitra Shabanian-Borojeni". Thesis, 2001. http://hdl.handle.net/2440/19796.
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Includes bibliographical references (leaves [1-20]).xxi, 168, [20] leaves : ill. (some col.) ; 30 cm.
A systematic analysis of wear involving the in vitro analysis of the wear of standard composite resin and glass ionomer cements restorations under controlled conditions; and, the qualitative and quantitative investigation of wear over a range of pH's and loads which might be encountered clinically in order to develop a "wear map" of the micromorphology of wearing teeth and restorations and a systematic modeling of wear rates.
Thesis (Ph.D.)--University of Adelaide, Dept. of Dentistry, 2001
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Kaidonis, John A. "An experimental study of the wear characteristics of human enamel during tooth grinding / John Aristidis Kaidonis". 1995. http://hdl.handle.net/2440/18528.
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Copies of author's previously published articles inserted.Bibliography: leaves 136-155.
xxi, 180 leaves : ill. (some col.) ; 30 cm.
Title page, contents and abstract only. The complete thesis in print form is available from the University Library.
Examines tooth-to-tooth contact under controlled experimental conditions that simulate bruxism. Focuses on the wear characteristics of enamel and factors influencing the nature and extent of human enamel wear.
Kaidonis, John Aristidis
Thesis (Ph.D.)--University of Adelaide, Dept. of Dentistry, 1995?
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Kaidonis, John Aristidis. "An experimental study of the wear characteristics of human enamel during tooth grinding / John Aristidis Kaidonis". Thesis, 1995. http://hdl.handle.net/2440/18528.
Texto completo da fonteResumo:
Copies of author's previously published articles inserted.Bibliography: leaves 136-155.
xxi, 180 leaves : ill. (some col.) ; 30 cm.
Examines tooth-to-tooth contact under controlled experimental conditions that simulate bruxism. Focuses on the wear characteristics of enamel and factors influencing the nature and extent of human enamel wear.
Kaidonis, John Aristidis
Thesis (Ph.D.)--University of Adelaide, Dept. of Dentistry, 1995?