Morphological variation in dentate and edentulous human mandibles
Identifieur interne : 004A57 ( Main/Exploration ); précédent : 004A56; suivant : 004A58Morphological variation in dentate and edentulous human mandibles
Auteurs : Bruno Ramos Chrcanovic [Brésil] ; Mauro Henrique Nogueira Guimaraes Abreu [Brésil] ; Antônio Luis Neto Custodio [Brésil]Source :
- Surgical and radiologic anatomy : (Print) [ 0930-1038 ] ; 2011.
Descripteurs français
- Pascal (Inist)
- Wicri :
- topic : Homme, Analyse quantitative, Médecine, Chirurgie.
English descriptors
- KwdEn :
Abstract
Purpose The aim of the study was to examine the different morphometric variations of the human mandibles, comparing between males and females in dentate and edentulous mandibles. Methods Eighty adult human dry mandibles were studied. Thirty-two variations were evaluated according to the presence and absence of teeth. Kolmogorov-Smirnov test was performed to evaluate the normal distribution of the morphometric variables. Levene test evaluated homoscedasticity. Student t tests and Mann-Whitney U tests, when indicated, were performed to compare each of the morphometric variables between dentate and edentulous mandibles. Statistical differences were considered when the P value was less than 0.05. Results Considerable numbers of measurements were statistically significantly different when comparing the influence of dental status on the anatomical measurements; the position and anatomical relations of the mental foramen and overall dimensions of the mandible are especially influenced. Only a few measurements were statistically significantly different in the comparison between males and females. Conclusions The results of this research showed that the presence or absence of the teeth can alter mandibular shape and that mandibular edentulism may be associated with specific shape changes in the mandible. The dental status has a higher influence on the mandibular anatomy than the difference in gender.
Affiliations:
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Antônio Carlos, 6627, Pampulha</s1><s2>Belo Horizonte, MG 31270-901</s2><s3>BRA</s3><sZ>2 aut.</sZ></inist:fA14><country>Brésil</country><wicri:noRegion>Belo Horizonte, MG 31270-901</wicri:noRegion><orgName type="university">Université fédérale du Minas Gerais</orgName><placeName><settlement type="city">Belo Horizonte</settlement><region type="state">Minas Gerais</region></placeName></affiliation></author><author><name sortKey="Neto Custodio, Antonio Luis" sort="Neto Custodio, Antonio Luis" uniqKey="Neto Custodio A" first="Antônio Luis" last="Neto Custodio">Antônio Luis Neto Custodio</name><affiliation wicri:level="4"><inist:fA14 i1="02"><s1>Department of Morphology, Institute of Biological Sciences, Universidade Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha</s1><s2>Belo Horizonte, MG 31270-901</s2><s3>BRA</s3><sZ>3 aut.</sZ></inist:fA14><country>Brésil</country><wicri:noRegion>Belo Horizonte, MG 31270-901</wicri:noRegion><orgName type="university">Université fédérale du Minas Gerais</orgName><placeName><settlement type="city">Belo Horizonte</settlement><region type="state">Minas Gerais</region></placeName></affiliation></author></analytic><series><title level="j" type="main">Surgical and radiologic anatomy : (Print)</title><title level="j" type="abbreviated">Surg. radiol. anat. : (Print)</title><idno type="ISSN">0930-1038</idno><imprint><date when="2011">2011</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Surgical and radiologic anatomy : (Print)</title><title level="j" type="abbreviated">Surg. radiol. anat. : (Print)</title><idno type="ISSN">0930-1038</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Human</term><term>Mandible</term><term>Medicine</term><term>Morphological variation</term><term>Morphometry</term><term>Quantitative analysis</term><term>Reference</term><term>Surgery</term><term>Treatment</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Morphométrie</term><term>Variation morphologique</term><term>Homme</term><term>Mandibule</term><term>Analyse quantitative</term><term>Référence</term><term>Médecine</term><term>Chirurgie</term><term>Traitement</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Homme</term><term>Analyse quantitative</term><term>Médecine</term><term>Chirurgie</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Purpose The aim of the study was to examine the different morphometric variations of the human mandibles, comparing between males and females in dentate and edentulous mandibles. Methods Eighty adult human dry mandibles were studied. Thirty-two variations were evaluated according to the presence and absence of teeth. Kolmogorov-Smirnov test was performed to evaluate the normal distribution of the morphometric variables. Levene test evaluated homoscedasticity. Student t tests and Mann-Whitney U tests, when indicated, were performed to compare each of the morphometric variables between dentate and edentulous mandibles. Statistical differences were considered when the P value was less than 0.05. Results Considerable numbers of measurements were statistically significantly different when comparing the influence of dental status on the anatomical measurements; the position and anatomical relations of the mental foramen and overall dimensions of the mandible are especially influenced. Only a few measurements were statistically significantly different in the comparison between males and females. Conclusions The results of this research showed that the presence or absence of the teeth can alter mandibular shape and that mandibular edentulism may be associated with specific shape changes in the mandible. The dental status has a higher influence on the mandibular anatomy than the difference in gender.</div></front></TEI><affiliations><list><country><li>Brésil</li></country><region><li>Minas Gerais</li></region><settlement><li>Belo Horizonte</li></settlement><orgName><li>Université fédérale du Minas Gerais</li></orgName></list><tree><country name="Brésil"><region name="Minas Gerais"><name sortKey="Ramos Chrcanovic, Bruno" sort="Ramos Chrcanovic, Bruno" uniqKey="Ramos Chrcanovic B" first="Bruno" last="Ramos Chrcanovic">Bruno Ramos Chrcanovic</name></region><name sortKey="Guimaraes Abreu, Mauro Henrique Nogueira" sort="Guimaraes Abreu, Mauro Henrique Nogueira" uniqKey="Guimaraes Abreu M" first="Mauro Henrique Nogueira" last="Guimaraes Abreu">Mauro Henrique Nogueira Guimaraes Abreu</name><name sortKey="Neto Custodio, Antonio Luis" sort="Neto Custodio, Antonio Luis" uniqKey="Neto Custodio A" first="Antônio Luis" last="Neto Custodio">Antônio Luis Neto Custodio</name><name sortKey="Ramos Chrcanovic, Bruno" sort="Ramos Chrcanovic, Bruno" uniqKey="Ramos Chrcanovic B" first="Bruno" last="Ramos Chrcanovic">Bruno Ramos Chrcanovic</name></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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