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ORIGINAL ARTICLE
Year : 2016  |  Volume : 8  |  Issue : 2  |  Page : 99-102

Mesiodistal odontometrics as a distinguishing trait: A comparative preliminary study


Department of Oral Pathology and Microbiology, Mamata Dental College, Khammam, Telangana, India

Correspondence Address:
Dr. Taneeru Sravya
Department of Oral Pathology and Microbiology, Mamata Dental College, Khammam - 507 002, Telangana
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0975-1475.186368

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Introduction: Sex determination is a vital step in reconstructing an individual profile from unidentified skeletal remnants. Variations in tooth size are influenced by genetic and environmental factors. Tooth size variations have been reported among different populations. Aim: To identify the sex by determining the mesiodistal (MD) dimensions of maxillary canines. Objectives: (1) To compare the MD diameter of all maxillary canines — (a) in the entire urban and tribal population, (b) in urban male and urban female populations, (c) in tribal male and tribal female populations, and (d) in the entire male and female populations and (2) To estimate the percentage of sexual dimorphism individually in urban and tribal populations. Materials and Methods: Fifty subjects each from urban and tribal populations in equal gender ratio were selected in Khammam district, Telangana, for the purpose of this study. After obtaining informed consent, maxillary study models of the selected subjects were made. MD diameters of left and right maxillary canines were measured on casts using vernier calipers. The obtained data were subjected to statistical analysis. Results: (1) The total tribal population showed a greater MD diameter of maxillary canines than the total urban population, (2) Urban males showed a greater MD diameter of maxillary canines than urban females, (3) Tribal males showed a greater MD diameter of maxillary canines than tribal females, (4) The entire male population showed a greater MD diameter of maxillary canines than the entire female population, and (5) The percentage of dimorphism between males and females in individual groups was found to be significant. Conclusion: The study showed maxillary canines exhibiting significant sexual dimorphism and can be used as a distinguishing trait for sex determination along with other procedures.


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