Estimation of Sexual Dimorphism by Mesiodistal Dimension of Permanent Maxillary Incisors and Canines
Keywords:Maxilla; sex determination; Teeth; Mesiodistal; permanent.
Introduction. Sexual dimorphism is the condition where whether the specific body part or the whole body
of two sexes of the same species exhibit different characteristics except for the differences in primary
sexual organs. Teeth are helpful in determining the sex, stature, race, age etc. same as bony tissues when
identification is not possible from rest of the body. Most of the studies conducted earlier are on mandibular
dental tissue and literature is sparse on evaluation of maxillary area. We decided to conduct the study on
Aims and Objectives. To find the correlation between mesiodistal dimension of permanent maxillary
incisors and canines with the gender.
Methods. The study was conducted in Forensic Medicine and Toxicology department, Himalayan Institute
of Medical Sciences, SRHU. The objective of the study was For the study sample of 100 individuals were
taken out of which 50 were male and 50 female, all in the age group of 17-25 years of age. For measuring
the dimension of teeth there comes mesiodistal, Buccolingual, labiolingual, crown heights, diagonal length
etc. dimensions, but for our study we selected mesiodistal dimension. Subjects were taken according to the
inclusion and exclusion criteria. The results were statistically analysed and compared with other studies.
Results. The study revealed about the definite association between mesiodistal dimensions of anterior
maxillary permanent teeth and gender.
Conclusions: The results showed a positive correlation between the width and sexual dimorphism in
maxillary canines, incisors and other teeth. Male teeth were greater in width as compared to female teeth
in Indian population. More studies with larger number of subjects would be required to establish a proper
correlation between maxillary dentition and gender.
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