Dissertations / Theses on the topic 'Dental anthropology Dental arch'
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Bachtiar, Mulyani Dalidjan. "An assessment of Pont's Index to predict dental arch width in human populations /." Title page, contents and summary only, 1990. http://web4.library.adelaide.edu.au/theses/09DM/09dmb124.pdf.
Full textLima, Laíse Nascimento Correia. "Validação do índice de Carrea por meio de elementos dentais superiores para a estimativa da estatura humana." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/290757.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: O índice de Carrea constitui uma importante ferramenta na estimativa da estatura humana, necessitando para sua aplicação apenas que alguns elementos dentais anteriores inferiores estejam preservados. No entanto, nos casos em que a mandíbula é acometida por um trauma, uma patologia ou por situações diversas, o uso da técnica torna-se inviável. Com isso, ampliar a utilização do índice de Carrea, estendendo-o aos elementos superiores, aumentaria as chances de se realizar o método, principalmente nos casos em que apenas o crânio é encontrado. Diante disso, o presente estudo teve como proposição testar um novo denominador no índice de Carrea, para que o mesmo possa ser utilizado no arco superior, visando um novo recurso para se estimar a estatura humana. Além disso, objetiva-se comparar os percentuais de acerto obtidos entre o arco inferior e superior. Para tanto, foi realizado um estudo com 378 modelos em gesso, sendo 189 superiores e 189 inferiores de arcos dentais correspondentes, pertencentes a alunos do curso de Odontologia da Universidade Federal da Paraíba, de ambos os sexos e com idades entre 18 e 30 anos. A estatura dos participantes foi estimada mensurando, com um paquímetro digital, os incisivos central e lateral e o canino, dos arcos superiores e inferiores, bem como dos hemiarcos direito e esquerdo. A partir dessas medidas, foram estimadas, por meio do índice de Carrea, as alturas máxima e mínima com base nos arcos inferiores. Para os arcos superiores foi utilizada uma modificação no denominador da fórmula original de Carrea, de valor 2 para o valor 2,55, de forma que a mesma se adequasse às medidas da maxila. Os valores obtidos foram comparados à estatura real dos participantes, previamente mesurada com um antropômetro. No arco superior, verificou-se diferença estatisticamente significante entre os posicionamentos dentais no sexo masculino e nos hemiarcos direitos, sendo os apinhados o maior percentual de acerto (65% e 65,2%, respectivamente). A avaliação interarcos proposta entre os sexos, para os três tipos de posicionamento dental, demonstrou percentual de acerto estatisticamente significante no sexo feminino entre os hemiarcos normais, com os inferiores apresentando percentual maior (70,0%) em relação aos superiores (42,3%). Já entre os hemiarcos, a diferença estatística pôde ser observada nos lados direito e esquerdo, apenas no posicionamento normal, com os inferiores demonstrando percentuais de acerto maiores (61,5% e 67,6%, respectivamente). Dessa forma, conclui-se que, embora o percentual de acertos no arco superior não tenha sido significante, o método poderá ser utilizado como subsídio para a estimativa da estatura
Abstract: Carrea's index is an important tool in human stature estimation, and requires for its use only some lower anterior teeth preserved. However, in cases of mandibular damage - by trauma, pathology or any other condition - the use of the method becomes impossible. Therefore, expand the use of Carrea's index, extending it to upper dental elements, increases the applicability of the method, especially in cases where only the skull is recovered. Thus, the present study aimed to test a new denominator for Carrea's index, so that it can be used in the upper jaw, which provides a new resource for human stature estimation. The study was conducted with 378 cast models - 189 higher and 189 lower arches - of dentistry students from the Federal University of Paraíba, of both sexes and aged between 18 and 30 years. The stature of the participants was estimated by measuring, with a digital caliper, the central and lateral incisors and canine from upper and lower arches, both sides. From these measurements, the maximum and minimum stature was estimated, according to Carrea's index. Moreover, it was aimed to compare the sucess rates between the upper and lower arches. For the upper arches a new denominator of Carrea's original formula, from 2 to 2.55, so it would fit the the maxilla's measures. The values obtained were compared to the real stature of the participants, previously measured with an anthropometer. In the maxillary arch, there was a statistically significant difference between the teeth alignment in males and in the right hemiarch, with the crowded hemiarches showing the greatest accuracy (65% and 65.2% respectively). The interarch evaluation proposed between the sexes, for the three types of dental alignment proved percentage of success statistically significant in females between the normal hemiarches, with the lower arch showing a higher percentage (70.0%) compared with the upper one (42.3%). Among the hemiarches, statistical difference was observed in right and left sides only in normal position, with the lower arch showing greater success rate (61.5% and 67.6% respectively). It can be stated that although the percentage of success in the upper arch was not significant, the method proposed can be used as additional criteria for the estimation of stature
Mestrado
Odontologia Legal e Deontologia
Mestre em Biologia Buco-Dental
Pornratanavisai, Jarunard. "Dental arch changes over a 27-year period /." [St. Lucia, Qld.], 2003. http://www.library.uq.edu.au/pdfserve.php?image=thesisabs/absthe16979.pdf.
Full textThiradilok, Sasipa. "Changes in Dental Arch Dimension among Dental Class II Patients after Rapid Maxillary Expansion Therapy." Diss., lmu, 2008. http://nbn-resolving.de/urn:nbn:de:bvb:19-85316.
Full textWeaver, Kolin E. "The stability of the WALA ridge as a landmark for determining dental archform." Morgantown, W. Va. : [West Virginia University Libraries], 2010. http://hdl.handle.net/10450/10936.
Full textTitle from document title page. Document formatted into pages; contains x, 107 p. : ill. (some col.). Vita. Includes abstract. Includes bibliographical references (p. 87-96).
Al-Ali, Fawziea. "The effects of the shortened dental arch on mastication." Thesis, Queen Mary, University of London, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.392349.
Full textHousley, Jeffrey A. "Stability of transverse expansion in the mandibular dental arch." Oklahoma City : [s.n.], 2002. http://library.ouhsc.edu/epub/theses/Housley-Jeffrey-A.pdf.
Full textLease, Loren Rosemond. "Ancestral determination of African American and European American deciduous dentition using metric and non-metric analysis." Columbus, OH : Ohio State University, 2003. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1054742334.
Full textTitle from first page of PDF file. Document formatted into pages; contains xvii, 421 p.: ill. (some col.). Includes abstract and vita. Advisor: Paul W. Sciulli, Dept. of Anthropology. Includes bibliographical references (p. 130-152).
McVeigh, Clare. "Variability in human tooth formation : a comparison of four groups of close biological affinity /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp03/NQ66224.pdf.
Full textLara, Tulio Silva [UNESP]. "Efeito transversal da placa lábio-ativa aberta e fixa associada à extensão lingual de canino decíduo a primeiro molar permanente: estudo em modelos digitais." Universidade Estadual Paulista (UNESP), 2011. http://hdl.handle.net/11449/104507.
Full textCoordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)
Introdução: O objetivo do presente estudo clínico foi avaliar as dimensões transversais do arco dentário inferior com o uso da placa lábio-ativa aberta e fixa associada à extensão lingual de canino decíduo a primeiro molar permanente. Métodos: A amostra constou de 14 pacientes no estágio de dentadura mista e com idade média de oito anos e seis meses. Todos os pacientes realizaram expansão rápida da maxila e expansão lenta do arco inferior com a placa lábio-ativa. Modelos de gesso foram obtidos nas fases de pré-tratamento e pós-tratamento e digitalizados com auxílio do scanner 3Shape R700 3D (3Shape A/S, Copenhagen, Dinamarca). Medições transversais foram realizadas para as distâncias entre as pontas de cúspide dos caninos decíduos, pontas de cúspide mesiovestibulares dos molares decíduos e primeiro molar permanente e pontos médio cervical da face vestibular. O teste t foi utilizado para determinar se o aumento nas larguras transversais foi significativo. Resultados: Observou-se um aumento transversal estatisticamente significativo (p<0,05) que variou de 4,11mm a 4,51mm nos referenciais utilizados no nível das pontas de cúspide. Conclusão: A placa lábio-ativa aberta e fixa apresentou um efeito transversal significativo em aproximadamente seis meses de tratamento
Introduction: The aim of the current clinical study was to evaluate the transverse dimensions of the lower dental arch with the use of the fixed and expanded lip bumper associated to the lingual extension from the deciduous canine to the permanent first molar. Methods: The sample was comprised of 14 patients in the mixed dentition with a mean age of 8 years 6 months. All patients were submitted to rapid palatal expansion and dentolaveolar expansion of the lower dental arch with a lip bumper. Pre-teatment and post-treatment cast models were obtained and digitized with the 3Shape R700 3D (3Shape A/S, Copenhagen, Denmark) scanner. Transverse distances between the cusp tips of the canines, the mesial buccal cusps of the deciduous molars and of the permanent first molars and between the cervical middle points of the buccal aspects of these teeth were measured. The t tests were performed to determine whether an increase in transverse distances was significant. Results: A statistically significant transverse increase (p<0,05) ranging from 4.11 mm to 4.51 mm was observed in the cusp tips. Conclusion: The fixed and expanded lip bumper presented a significant transverse effect within approximately 6 months of treatment
Jayaraman, Jayakumar. "Dental age assessment (DAA) : development and validation of reference dataset for southern Chinese and its application to East Asian populations." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2014. http://hdl.handle.net/10722/207191.
Full textpublished_or_final_version
Paediatric Dentistry
Doctoral
Doctor of Philosophy
Dotson, Meryle Akeara. "Postnatal Dental Mineralization: a Comparative Analysis of Dental Development Among Contemporary Populations of the Southeastern United States." Scholar Commons, 2011. http://scholarcommons.usf.edu/etd/3079.
Full textAynaciyan, Raffi J. "Rapid maxillary expansion long-term hard tissue profile and dental arch width changes /." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0025/MQ30661.pdf.
Full textBell, Eric Jason. "Arch variation in relatives of individuals with orofacial clefts using 3D dental casts." Thesis, University of Iowa, 2019. https://ir.uiowa.edu/etd/6704.
Full textLara, Tulio Silva. "Efeito transversal da placa lábio-ativa aberta e fixa associada à extensão lingual de canino decíduo a primeiro molar permanente : estudo em modelos digitais /." Araçatuba : [s.n.], 2011. http://hdl.handle.net/11449/104507.
Full textBanca: Eduardo César Almada Santos
Banca: Marcos Rogério de Mendonça
Banca: Terumi Okada Ozawa
Banca: Daniela Gamba Garib
Resumo: Introdução: O objetivo do presente estudo clínico foi avaliar as dimensões transversais do arco dentário inferior com o uso da placa lábio-ativa aberta e fixa associada à extensão lingual de canino decíduo a primeiro molar permanente. Métodos: A amostra constou de 14 pacientes no estágio de dentadura mista e com idade média de oito anos e seis meses. Todos os pacientes realizaram expansão rápida da maxila e expansão lenta do arco inferior com a placa lábio-ativa. Modelos de gesso foram obtidos nas fases de pré-tratamento e pós-tratamento e digitalizados com auxílio do scanner 3Shape R700 3D (3Shape A/S, Copenhagen, Dinamarca). Medições transversais foram realizadas para as distâncias entre as pontas de cúspide dos caninos decíduos, pontas de cúspide mesiovestibulares dos molares decíduos e primeiro molar permanente e pontos médio cervical da face vestibular. O teste t foi utilizado para determinar se o aumento nas larguras transversais foi significativo. Resultados: Observou-se um aumento transversal estatisticamente significativo (p<0,05) que variou de 4,11mm a 4,51mm nos referenciais utilizados no nível das pontas de cúspide. Conclusão: A placa lábio-ativa aberta e fixa apresentou um efeito transversal significativo em aproximadamente seis meses de tratamento
Abstract: Introduction: The aim of the current clinical study was to evaluate the transverse dimensions of the lower dental arch with the use of the fixed and expanded lip bumper associated to the lingual extension from the deciduous canine to the permanent first molar. Methods: The sample was comprised of 14 patients in the mixed dentition with a mean age of 8 years 6 months. All patients were submitted to rapid palatal expansion and dentolaveolar expansion of the lower dental arch with a lip bumper. Pre-teatment and post-treatment cast models were obtained and digitized with the 3Shape R700 3D (3Shape A/S, Copenhagen, Denmark) scanner. Transverse distances between the cusp tips of the canines, the mesial buccal cusps of the deciduous molars and of the permanent first molars and between the cervical middle points of the buccal aspects of these teeth were measured. The t tests were performed to determine whether an increase in transverse distances was significant. Results: A statistically significant transverse increase (p<0,05) ranging from 4.11 mm to 4.51 mm was observed in the cusp tips. Conclusion: The fixed and expanded lip bumper presented a significant transverse effect within approximately 6 months of treatment
Doutor
Raan, F. J. du. "Using a mathematical model to determine dental arch- perimeter in class ii patients presenting at UWC orthodontic clinics." University of the Western Cape, 2021. http://hdl.handle.net/11394/7976.
Full textDetermining arch perimeter is of importance in both a clinical setting, where it is used to determine space requirements, as well as in an epidemiological setting where it is used to describe large populations. Physical measurement of arch perimeter is time consuming and may be prone to operator errors when done on study casts and even more so in a clinical situation. The use of a simple mathematical model to predict arch perimeter, using a few measurements that can be done easily and reliably, would be of great use to the practitioner.
Follis, Shawna L. "Dental fluctuating asymmetry as a measure of environmental stress in Nasca." Thesis, Purdue University, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=1571983.
Full textThis thesis evaluates how environmental stressors affected three groups (Nasca, Loro, and Chakipampa) that lived in Nasca during the Early Intermediate Period (ca. A.D. 1-750) and the Middle Horizon (ca. A.D. 750-1000). Using fluctuating asymmetry analysis as a proxy for developmental instability, biological evidence is assessed for differential stress levels incurred by groups occupying the Peruvian south coast. This study found high levels of stress in the Middle Horizon, supporting the hypothesis that populations living in Nasca were unfavorably affected by Wari colonizers. However, stress was found to be highest among the Chakipampa. This is attributed to Wari imperialistic occupation and extraction of resources. Conversely, the contemporaneous Loro affiliated population, who presumably avoided Wari influence, experienced the lowest levels of stress among the samples. This research reveals a large distinction between the effects of environmental stressors on the two Middle Horizon groups.
Chawla, Ourvinder. "The optimal media for rating dental arch relationships in unilateral cleft lip and palate." Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.555634.
Full textBorget, Gisela Lilian. "Variation in arch shape and dynamics of shape change from infancy to early childhood." Thesis, University of Iowa, 2017. https://ir.uiowa.edu/etd/5421.
Full textLau, Chi-kai George. "The relationship of the upper anterior teeth to the incisive papilla in Cantonese adults." Click to view the E-thesis via HKUTO, 1990. http://sunzi.lib.hku.hk/HKUTO/record/B38628314.
Full textCooper, Kayleigh Anne. "The physical characterisation and composition of archaeological dental calculus." Thesis, Cranfield University, 2017. http://dspace.lib.cranfield.ac.uk/handle/1826/12817.
Full textLing, Yu-kong John. "A morphometric study of the dentition of 12 year old Chinese children in Hong Kong /." [Hong Kong] : University of Hong Kong, 1992. http://sunzi.lib.hku.hk/hkuto/record.jsp?B1329006X.
Full textKirkland, Scott. "Dental Pathology at Promtin Tai: an Iron Age Cemetery from Central Thailand." NCSU, 2010. http://www.lib.ncsu.edu/theses/available/etd-04022010-113936/.
Full textCruwys, Elizabeth. "Tooth wear patterns in modern human populations." Thesis, University of Cambridge, 1987. https://www.repository.cam.ac.uk/handle/1810/272343.
Full textNassani, Mohammad Zakaria. "Treatment of the shortened dental arch : survey of dentists' preferences, practice and patients' utility values." Thesis, University of Manchester, 2003. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488423.
Full textIbrahim, M. A. "A study of dental attrition and diet in some ancient Egyptian populations." Thesis, Durham University, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379754.
Full textFenton, Todd William 1962. "Dental conditions at Grasshopper Pueblo: Evidence for dietary change and increased stress." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/282768.
Full textStephen, Soni. "Dental age determination in South Australian children : thesis submitted in partial fulfillment of the requirements for the degree of Master of Dental Surgery /." Title page, contents and abstract only, 1999. http://web4.library.adelaide.edu.au/theses/09DM/09dms831.pdf.
Full textKairalla, Silvana Allegrini. "DETERMINAÇÃO DAS FORMAS E DIMENSÕES DOS ARCOS DENTAIS PARA USO DE ARCO CONTÍNUO NA TÉCNICA LINGUAL." Universidade Metodista de São Paulo, 2011. http://tede.metodista.br/jspui/handle/tede/1203.
Full textThis study aims to determine the shapes and dimensions of dental arches to define the shape of a straight wire dental arch that could be used in lingual technique. The sample consisted of 70 white Brazilian individuals with normal occlusion and who had at least four of the six keys to normal occlusion as defined by Andrews. This sample was composed of 40% male and 60% female subjects (28 men and 42 women), with an average age of 16,4. The maxilla and mandible dental arch models were (3D) scanned and the images were analyzed in the Delcam Power SHAPE® 2010 software (Birmingham, U.K.). Points on the lingual surfaces of the teeth were selected and 14 measurements were outlined to determine the sizes and shapes of the dental arches. The Shapiro-Wilk Test enabled the definition of the small arch shape, using the 25th percentile (P25%); the average percentile for the medium arch, and a large one defined through the 75th percentile (P75%). Student t-test verified whether there were differences between male and female sexes and 12 dental arch sizes were found (6 for female sex and 6 for male sex). For all the statistical tests, the significance level used was of 5% (p<0,05). From the results found, it was possible to determine the straight-wire arch shape to be used in the LSW technique (Lingual Straight Wire) - a parabola-shaped arch -, slightly flattened on its anterior portion. And, due to the similarities found among the different dental arch sizes, shown by sexual dimorphism, we were able to create a more simplified diagram chart for dental arches.
Este estudo objetiva encontrar a forma e dimensão de arcos dentais para definir a forma de um arco contínuo que possa ser utilizado na técnica lingual. A amostra foi composta de 70 indivíduos brasileiros, leucodermas, com oclusão normal natural, que apresentaram no mínimo quatro das seis chaves de oclusão de Andrews. Esta amostra possui 40% de indivíduos do sexo masculino (28 homens) e 60% do sexo feminino (42 mulheres) com idade média de 16,4a. Os modelos dos arcos dentais da maxila e mandíbula foram digitalizados (3D) e as imagens exportadas para o software Delcam Power SHAPE® 2010 (Birmingham, U.K.). Foram selecionados pontos nas superfícies linguais dos dentes e traçadas 14 medidas para determinar a forma e a dimensão do arco dental. O teste de Shapiro-Wilk possibilitou definir uma forma de arco pequeno utilizando o percentil 25% (P25%), um arco médio (média) e uma forma de arco grande pelo percentil 75% (P75%). O teste t-student comparou se houve uma diferença entre os sexos, e foram encontrados 12 tamanhos de arcos dentais (6 para o sexo feminino e 6 para o sexo masculino). Em todos os testes estatísticos foi adotado nível de significância de 5% (p<0,05). A partir dos resultados obtidos, foi possível definir uma forma de arco contínuo para ser utilizado na técnica Lingual Straight Wire (LSW) - parábola levemente achatada na região anterior - e, devido à similaridade entre alguns tamanhos de arcos dentais, encontrados pelo dimorfismo sexual, pôde ser elaborado um diagrama de arcos de maneira mais simplificada.
Tinoco, Rachel Lima Ribeiro. "Antropologia dental = traços não-métricos de uma amostra brasileira." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/290758.
Full textDissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Odontologia de Piracicaba
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Resumo: Os traços não-métricos na morfologia dental, por sua excelente preservação, e variação inter-populacional livre de pressão seletiva, são reconhecidamente um dos principais focos de observação para os pesquisadores que analisam variação humana e sua relação com o histórico biológico das populações. Considerando sua utilização em contexto forense, o conhecimento das características morfológicas do arco dental da população local permite utilizar estes traços como critério adicional para identificação humana individual com fins periciais. Objetivo: O presente estudo propôs uma análise antropológica da morfologia dental de brasileiros, do Estado do Rio de Janeiro, entre 18 e 30 anos, observando a prevalência de alguns traços antropológicos não-métricos encontrados no arco dental de brasileiros, sua relação com os índices levantados por outros pesquisadores, em amostras de diferentes populações, e seu valor pericial como critério adicional na identificação humana. Metodologia: Foram analisados modelos em gesso de 130 indivíduos (59 homens e 71 mulheres), com os seguintes critérios de inclusão: naturalidade brasileira, com ascendentes brasileiros até segundo grau; presença de, no mínimo, dois elementos dentais hígidos, dentre os dentes-alvo; e ausência de relação de consanguinidade com outros participantes. Foi avaliada a presença de seis traços antropológicos, com frequências étnico-geográficas anteriormente publicadas por outros autores, sendo eles: incisivo em forma de pá, tubérculo de Carabelli, quinta cúspide (tubérculo distal acessório), ausência de cúspide disto-palatina, sexta cúspide (tuberculum sextum), e ausência de cúspide disto-vestibular (molar inferior tetra-cuspidado). Resultados: As frequências obtidas de todos os traços avaliados destoaram das frequências anteriormente apresentadas como referentes aos grupos ameríndio ou sulamericano. A amostra analisada possui pouca semelhança com o chamado complexo dental americano, e nítida influência dos complexos caucasóide e subsaariano, o que está de acordo com os acontecimentos históricos locais
Abstract: The non-metric traits in tooth morphology, for their excellent preservation, and inter-population variation, immune from selection pressure, are known to be one of the major sources of observation for researchers who analyze human variation and its relationship to the populations' biological history. In a forensic context, the knowledge of the local morphological characteristics allows its use as additional criterion for human identification purposes. Objective: This study has proposed an anthropological analysis of tooth morphology of Brazilian individuals from Rio de Janeiro, between 18 and 30 years, listing the prevalence of some anthropological non-metric traits, their relationship with frequencies found by other researchers, in different populations, and its value as additional criterion for in human identification. Methodology: The dental casts of 130 individuals (59 males and 71 females) were examined, with the following inclusion criteria: Brazilian naturality, with Brazilian ascendency until second degree, presence of at least two of the target-teeth healthy, and absence of blood relationship with other participants. We evaluated the presence of six non-metric dental traits with populational frequencies previously published by other authors, as follows: shoveling, Carabelli's cusp, cusp 5 (distal accessory tubercle), hypocone absence, cusp 6, and hypoconid absence. Results: The frequencies of all the traits evaluated differ from frequencies previously presented for Amerindian and South American. The sample has little resemblance to the so called american dental complex, and strong influence of the African Sub-Sahara and European patterns, which is in agreement with local historical events
Mestrado
Odontologia Legal e Deontologia
Mestre em Biologia Buco-Dental
Barrett, Christopher K. "Fluctuating dental asymmetry as an indicator of stress in prehistoric native Americans of the Ohio River Valley." Connect to this title online, 2005. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1118865152.
Full textTitle from first page of PDF file. Document formatted into pages; contains xii, 165 p.; also includes graphics Includes bibliographical references (p. 135-148). Available online via OhioLINK's ETD Center
Williams, Devin N. "The Association of Size Variation in the Dental Arch to Third Molar Agenesis for a Modern Population." Scholar Commons, 2018. http://scholarcommons.usf.edu/etd/7247.
Full textRaskin, Sarah Elaine. "Decayed, Missing, and Filled: Subjectivity and the Dental Safety Net in Central Appalachia." Diss., The University of Arizona, 2015. http://hdl.handle.net/10150/581303.
Full textAws, Ghassan. "Analysis of symmetry in the anterior human dentition and its application in the evaluation and correction of postural distortion in the photographic recording of human bite marks." Thesis, University of Edinburgh, 2006. http://hdl.handle.net/1842/1348.
Full textPadilla, Mark Thomas. "POSTURAL ADAPTATIONS IN ARCHWIRE EXPANSION WITH SELF-LIGATING BRACKETS." Master's thesis, Temple University Libraries, 2014. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/291479.
Full textM.S.
Objectives: Orthodontic arch development expands and broadens the dentition beyond the confines of the original arch perimeter. This is often accomplished by means of self-ligating fixed appliances. When movements take the teeth outside those confines, without adoption, the muscular forces are unbalanced and may lead to dental relapse. Muscle spindles and associated reflex loops within the tongue provide feedback to arch perimeter changes that may produce postural changes to the new archform. Resting posture has long been accepted as aiding in tooth position. The objective of this study was to assess the oral and pharyngeal postural changes that result from arch development with the Damon system and report the amount of expansion accomplished. Methods: Pre- and post-treatment models and lateral cephalograms were collected on 69 previously treated orthodontic patients from four different private practices. Expansion was measured from the buccal cusp tips of the first and second premolars and first molars. A new cephalometric analysis was implemented to diagnose both variations in malocclusion and variations in posture of the head, neck, pharynx, hyoid bone and tongue. Results: Both tongue height and length increased, 2.9mm (P-value 0.001, SEM=1.06) and 3.76mm (P-value 0.00002, SEM=0.62) respectively, following posterior dental arch expansion using Damon archwires. Hyoid position was not significantly different. Conclusion: As dental arches are expanded the tongue increases in both length and height to fill the space and therefore may aid in stability during the retention phase of treatment. The lack of change in hyoid bone position, as one would expect with a rise in tongue position, might be explained by either slight changes in head position or the need to maintain the airway.
Temple University--Theses
Caspersen, Matthew Harold. "The development of the curve of Spee in man." Thesis, University of Iowa, 2005. https://ir.uiowa.edu/etd/5391.
Full textKlainer, Shannon A. "A Re-Examination of the Sinodonty/Sundadonty Dental Complex and the Peopling of Japan." Thesis, University of Nevada, Reno, 2019. http://pqdtopen.proquest.com/#viewpdf?dispub=13423608.
Full textThe primary theory for the peopling of Japan is the dual origin hypothesis that states there were two separate migrations into Japan separated by more than 10,000 years. The early migration involved the ancestors of the Jomon who in turn were ancestral to the Ainu populations in Hokkaido and Sakhalin. A later migration dating to about 2200 BP was comprised of Neolithic farmers known as the Yayoi. There is debate over the origins of both the Jomon and Yayoi, with the dual origin hypothesis positing that the Jomon are Southeast Asian in origin while the Yayoi are East Asian. Others postulate that Jomon origins could lie in Northeast Asia and the Yayoi in Southeast Asia. To re-examine this debate, dental morphological data were analyzed for Jomon (n=643) Ainu (n=285) individuals categorized by island: Honshu, Hokkaido, and Sakhalin. Trait frequencies were compared to East Asian, Southeast Asian, Polynesian, Micronesian, Melanesian, New Guinea, and Australian samples to explore population relationships. Sinodont/Sundadont traits were analyzed through ANOVA for Jomon, Ainu, East Asian, and Southeast Asian populations to determine which traits showed significant differences among the groups. Analysis shows the modern Japanese are quite distinct from, and not related to, the Jomon and Ainu. The most likely geographic origin for the Jomon is Southeast Asia. Gene flow between East and Southeast Asians from the early Holocene on may contribute to some of the problems of interpreting Jomon and Yayoi origins. A lack of significant differences for UI1 double shoveling, UM1 enamel extensions, UP1 root number, LM1 deflecting wrinkle, and cusp number LM2 shows the possibility of Holocene gene flow between East Asia and Southeast Asia. UI1 shoveling most strongly characterizes the migration patterns in the dual origin hypothesis. UI1 shoveling is a trait associated with the EDAR 370A gene variant as well as Sinodonty, meaning that the gene could aid in characterizing migrations into Japan.
MacDonald, Rachel Margaret. "In the teeth of the problem : dental anthropology and the reconstruction of African dietary regimes." Thesis, University College London (University of London), 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.313588.
Full textGórka, Katarzyna. "Dental morphology and dental wear as dietary and ecological indicators: sexual and inter-group differences in traditional human populations." Doctoral thesis, Universitat de Barcelona, 2016. http://hdl.handle.net/10803/384843.
Full textLos dientes constituyen un material de estudio multidisciplinar y son usados en varias áreas de la ciencia: odontología, anatomía comparativa, paleontología, paleoantropología, genética y ciencias forenses, entre otras. La presente tesis tiene como objetivo principal investigar la variabilidad dental en populaciones de humanos modernos desde una perspectiva multi-metodológica. El enfoque principal fue el desgaste dental, aunque también se analizaron otras características, como la variabilidad métrica, la forma dental, el microdesgaste, el relieve o la complejidad de la corona. Objetivos: Valorar si la división sexual del trabajo presente en los esquimales de Point Hope puede afectar al desgaste del primer molar; Analizar las correlaciones entre marcadores del macrodesgaste, microdesgaste, relieve y complejidad de la corona dental para explorar las diferentes líneas de estudio de la pérdida del esmalte y sus correlaciones; Investigar la posible influencia de la división sexual del trabajo sobre la dienta en diferentes poblaciones de cazadores-recolectores y agricultores; Analizar la forma de los primeros molares en varios grupos de poblaciones humanas modernas mediante la innovadora técnica de la morfología geométrica tridimensional. La investigación ha sido realizada únicamente con el material disponible en las colecciones dentales de la Universidad de Barcelona y la Universidad de Alicante. Se analizaron 251 primeros molares procedentes de 188 individuos de 9 poblaciones diferentes de humanas modernas (Agta, Aborígenes Australianos, Batéké-Balali, Esquimo, Hutu, Javaneses, Khoe, Navajo y San). Al examinar las posibles influencias de la división sexual del trabajo en la dieta en otras poblaciones de economía tradicional, no se ha encontrado tampoco diferencias significativas entre hombres y mujeres en ningún de los grupos analizados. Tampoco se han encontrado variaciones en el desgaste entre los patrones de subsistencia cazador-recolector y agricultor. El estudio de la forma dental muestra una importante variación de la forma del primer molar superior entre los grupos.
Raskin, Sarah E. "Decayed, missing, and filled| Subjectivity and the dental safety net in central Appalachia." Thesis, The University of Arizona, 2015. http://pqdtopen.proquest.com/#viewpdf?dispub=3725587.
Full textDental caries, popularly known as tooth decay or cavities, is among the world’s most common health problems. When caught early, it is also one of the most easily resolvable. Yet, advanced decay is a trenchant marker of social inequality and a major contributor to the maldistribution of physical pain and psychosocial suffering. Why? Access to dental care within the U.S. model of fee-for-service dental private practice follows existing lines of social stratification. Dental disparities, a term that calls attention to the relationships between maldistributed disease and maldistributed care, reflect deep ontological, moral, and political differences about responsibility for the prevention and treatment of dental disease, the quality and distribution of dental care, and even what constitutes health and well-being. What kinds of sociopolitical and moral negotiations constitute and transpire around dental disparities? How do these negotiations shape the experiences of patients and providers, and how do their experiences shape these negotiations? What can an ethnography of the dental safety net – a complex, fragile, and unpredictable network of treatment opportunities for low-income families – tell us about health governance more broadly? These are some of the questions that drive my research.
In this dissertation, I explore how the sociopolitical relations of dental disparities are enacted through the dental safety net. Drawing on fifteen months of ethnographic research in clinical and community settings in central Appalachia, a region that has come to symbolize the dental crisis in the popular imagination, I show how the dental safety net exemplifies health governance in a neoliberal milieu. A fragmented system characterized by a discontinuity that starkly contrasts the model of health care generally advocated in both private and public medical systems, I argue that the dental safety net in far southwest Virginia does not merely fail to relieve the suffering of marginalized people but also can produce it. For example, the constitution of publicly-funded and charitable dental care can serve to routinize and even incentivize excess extractions among low-income adults while exempting preventive or restorative care. In addition to its effects on underserved patients, the dental safety net is a site through the fraught and contradictory relationships of dental providers and the sociopolitical stakes of the pursuit of oral health equity can be understood. For example, the flexible teamwork arrangements prized in private practice, when posited for the dental safety net, are often interpreted by dentists as risks of pluralization and threats to professional hierarchy that must be contained through legislative means. Borrowing from the crude classificatory scheme used to screen teeth quickly, I show how the dental safety net is decayed, as it bears the wear of overuse beyond maintenance; missing, or better described as an absence than a presence; and filled, like a cavitated tooth or a canaled dental root, with manufactured solutions of variable standards and longevity.
Huffman, Michaela. "Biological Variation in South American Populations using Dental Non-Metric Traits: Assessment of Isolation by Time and Distance." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1407958702.
Full textJayaraman, Jayakumar. "Dental age assessment of Southern Chinese using Demirjian's dataset and the United Kingdom dataset." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2010. http://hub.hku.hk/bib/B45447767.
Full textJorge, Paula Karine. "Evaluation of the dental arch in children with cleft lip and palate by means of 3D digital models." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/61/61132/tde-14012015-103434/.
Full textO propósito deste estudo foi avaliar as alterações dimensionais dos arcos dentários de crianças com fissura de lábio e palato após a queiloplastia em dois centros de reabilitação. A amostra foi composta por 94 imagens digitais de modelos de gesso, e dividida em dois grupos: Grupo I - 23 crianças, tratas na Universidade de Zurique, com intervenção ortopédica pré-cirúrigica (placa de Holtz); Grupo II - 24 crianças tratadas no Hospital de Reabilitação de Anomalias Craniofaciais da Universidade de São Paulo, sem intervenção ortopédica pré-cirúrgica. As imagens tridimensionais dos modelos de gesso foram avaliados antes da queiloplastia (estágio 1) e com aproximadamente 1 ano de idade (estágio 2). As seguintes dimensões foram obtidas: comprimento anteroposterior da fissura, amplitude anterior da fissura, amplitude posterior da fissura, comprimento anteroposterior do arco, distância intercaninos e distância intertuberosidades. As comparações foram realizadas entre os estágios 1 e 2 e entre os grupos I e II. As diferenças entre os grupos foram verificadas pelo teste t independente, os testes de Wilcoxon e Mann-Whitney foram usados. No Grupo I, entre os estágios 1 e 2, as distâncias intertuberosidade aumentou e as distâncias intercaninos, distância anteroposterior da fissura, amplitude anterior e posterior da fissura diminuíram. A comparação entre as alterações dimensionais dos arcos dentários entre os dois centros de reabilitação apresentaram diferenças: no estágio 1, a distância intercaninos foi menor no Grupo II que no Grupo I; e no estágio 2, a amplitude anterior da fissura, a distância intercaninos e o comprimento anteroposterior da fissura foram menos no Grupo II que no Grupo I, sugerindo sobreposição dos segmentos maxilares. No Grupo II, houve maior estreitamento nas amplitudes anterior e posterior da fissura, sugerindo que a placa de Holtz no Grupo I induziu a aproximação dos segmentos maxilares de forma mais uniforme e equidistante. É importante salientar que mais estudos longitudinais precisam ser conduzidos a fim de reduzir a variabilidade de protocolos de tratamento em pacientes com fissura de lábio e palato, garantindo o melhor tratamento baseado em evidências científicas.
Sacksteder, James Martin. "Dental Arch Width and Length Parameters in Patients with Obstructive Sleep Apnea vs Patients Without: A Pilot Study." The Ohio State University, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=osu1490040724141358.
Full textMarkic, Goran. "Association between transversal dentoskeletal dimensions and Class II severity /." [S.l.] : [s.n.], 2009. http://opac.nebis.ch/cgi-bin/showAbstract.pl?sys=000281109.
Full textEdgar, Heather Joy Hecht. "Biological Distance and the African American Dentition." The Ohio State University, 2002. http://rave.ohiolink.edu/etdc/view?acc_num=osu1039193040.
Full textMcClelland, John Alan. "Refining the resolution of biological distance studies based on the analysis of dental morphology: Detecting subpopulations at Grasshopper Pueblo." Diss., The University of Arizona, 2003. http://hdl.handle.net/10150/280433.
Full textAvalos, Toby R. "Discerning hominid taxonomic variation in the southern Chinese, peninsular Southeast Asian, and Sundaic Pleistocene dental record." Diss., University of Iowa, 2017. https://ir.uiowa.edu/etd/5705.
Full textAyub, Priscila Vaz. "Analysis of the maxillary dental arch after rapid maxillary expansion in patients with unilateral complete cleft lip and palate." Universidade de São Paulo, 2014. http://www.teses.usp.br/teses/disponiveis/61/61132/tde-14012015-094508/.
Full textObjective: The aim of this study was to evaluate the dentoalveolar effects of rapid maxillary expansion in children with unilateral complete cleft lip and palate in comparison with non-cleft patients. Methods: The experimental group (EG) was composed of 25 patients with unilateral and complete cleft lip and palate (9 males and 15 females) with a mean age of 10.6 years. The control group (CG) comprised of 27 patients without cleft lip and palate (14 males and 13 females) with a mean age of 9.1 years. Dental models of the maxillary dental arch were obtained immediately preexpansion (T1) and 6 months post-expansion (T2) at the time of appliance removal. Digital dental models were obtained using the 3Shape R700 3D laser scanner (3Shape A/S, Copenhagen, Denmark). Transversal widths, arch perimeter, arch length, palatal depth, palatal volume, canine and posterior tooth inclination were digitally measured. Paired t-test was used to perform interphase comparisons and independent t-test to perform intergroup comparisons (p<0.05). Results: In the experimental group, the expansion produced a ignificant increase of all maxillary transverse measurements, palatal volume, arch perimeter and palatal depth while decreased the arch length. RME caused a buccal tip of posterior teeth in patients with UCLP. No differences were observed between experimental and control groups for all the measurements performed except for the intermolar distance (6-6), which showed a greater increase in patients with cleft. Conclusion: Rapid maxillary expansion showed similar dentoalveolar effects in children with UCLP and without oral clefts.
Crepaldi, Jairo Lessa. "Análise da oclusão dentária em crianças portadoras de fissura completa de lábio e palato." Universidade de São Paulo, 2012. http://www.teses.usp.br/teses/disponiveis/23/23152/tde-14092012-161409/.
Full textThe cleft lip and palate alter the growth and development of the maxillo-mandibular complex as well as all orofacial functions. Primary repair surgery represents the largest modifier agent of maxillofacial growth in order to limit it. The success of the rehabilitation treatment of the cleft patient depends on the correct performance of a multidisciplinary team. This study aimed to assess the occlusal conditions, in plaster models, of patients with complete cleft lip and palate, non syndromic, correlating to the type of cleft, stage of dental development, gender and surgical rehabilitation hospital. For this study, 87 pairs of casts from cleft patients of the Ambulatory of Oral Maxillo Facial Prosthesis of the Faculty of Dentistry of the University of São Paulo (USP), that had been undertaken to primary classical repair surgeries (cheiloplasty 3 to 6 months and palatoplasty 18 months), without prior alveolar bone graft and/or orthodontic treatment. The group studied was composed of 57 patients with unilateral cleft lip and palate, with mean age of 6 years, 5 months and 30 patients with bilateral cleft lip and palate with mean age of 6 years, 2 months. For the classification of plaster casts for unilateral cleft, the index of 5 years and the index of Goslon, in the deciduous and mixed dentition, respectively, whereas the Bilateral index was used for bilateral cleft. The three mentioned indexes comprise a scale of 1 to 5, with increasing levels of severity of malocclusion. The models were evaluated by the researcher and two other examiners in two distinct occasions, when a high degree of reliability and reproducibility was reached. Subsequently, for the additional analysis, it was used only the data provided by the researcher, which were grouped into long-term prognosis results in: good (grades 1 and 2); regular (grade 3) and poor (grades 4 and 5). The likelihood ratio test was used to verify the possible differences between the variables of interest, and the results did not show, for the total sample, any correlation between prognostic and cleft type, gender, and rehabilitation hospitals. Only patients with unilateral clefts there was an association of the prognostic to the dental stag of dental development (p=0.019) and rehabilitation hospitals (p=0.025). This study revealed that the unilateral clefts in the deciduous dentition stage showed a lesser severity for poor occlusion, and that the Referral Hospital of the Faculty of Dentistry of the University of São Paulo has the most favorable results compared to others.