Abstract
Introduction: Gender determination is important for identification in forensic practice. Odontometrics plays an important role in sex determination in young individuals where secondary sexual characters are yet to be developed.
 Objective: The objective was to re-evaluate the previous finding of the sexual dimorphism in Mesiodistal (MD) and Buccolingual (BL) dimension of maxillary and mandibular canine in the study population being Medical Students of Medical College in province 4 of Nepal.
 Methodology: This is a cross sectional study conducted on the study cast of 40 male and 40 female medical students of academic year 2017/18 of Gandaki Medical College, Nepal, of age group 18-24 from October to December 2017. The MD and BL dimensions of all the four canines were measured using digital vernier's caliper. Data were compared using descriptive statistics, student's t-test and paired sample t test. P<0.05 was found statistically significant.
 Results: Statistically significant sexual dimorphism was found in MD and BL dimension of maxillary and mandibular canine with males' canine measuring larger than females'. The left mandibular canine was found to be the most dimorphic in term of BL dimension among the canines.
 Conclusion: The present study exhibited the buccolingual dimension of the left mandibular canine as the most dimorphic tooth. Further studies using large representative sample from all the provinces has to be conducted to quantify and generalize the result among the Nepalese Dentition.
Highlights
Human iden fica on is required in cases of fires, explosions, road traffic or aircra accidents, mu lated or decomposed bodies.[1]
Sta s cally significant sexual dimorphism was found in MD and BL dimension of maxillary and mandibular canine with males' canine measuring larger than females'
The present study exhibited the buccolingual dimension of the le mandibular canine as the most dimorphic tooth
Summary
Human iden fica on is required in cases of fires, explosions, road traffic or aircra accidents, mu lated or decomposed bodies.[1]. Previous studies related to sexual dimorphism in tooth size suggested that manidibular canine exhibits greatest sexual dimorphism.[2,7,8] Mandibular canines are considered as the 'key teeth' for iden fica on may be because they exhibit the greatest stability and are less suscep ble for caries and periodontal diseases and most likely survive severe trauma.[4,5]
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