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Assessment of condyle-coronoid angle and gonial angle for gender determination: A digital panoramic study in Bagalkot
Pramod Ingaleshwar1, Satish Bhosale2, Gargi Nimbulkar3
1Department of Oral Pathology and Microbiology, PMNM Dental College and Hospital, Bagalkot, Karnataka, India.
Background:
The determination of gender is of utmost importance for forensic science and medico-legal purposes. The mandibular bone may play a vital role in gender determination as it is the most dimorphic bone of the skull that is often recovered intact. In this respect, orthopantomograms are of great value in accurate age and sex estimation. The mandibular angles, especially the gonial angle is an important parameter of the craniofacial complex giving an indication about the vertical parameters and symmetry of the facial skeleton. The purpose of the current study was to evaluate the usefulness of mandibular gonial and coronoid-condyle angle measurements on digital panoramic images as an indicator for gender determination in the Bagalkot population.
Materials And Methods:
A total of 200 panoramic images (100 males and 100 females) of Bagalkot district patients aged (18-58) yrs old were selected. Two mandibular parameters 1) gonial angle and 2) condyle-coronoid angle were analyzed using trophy DICOM 6.1.2.0, masterview 4.2.0. Two-way analysis of variance (ANOVA) test and Tukey's multiple post hoc procedures were used to compare the gender and two sides (left and right) with respect to gonial angle and condyle-coronoid angle.
Results:
The analysis of the present study confirmed a statistically significant difference between the right and left sides of the gonial angle and condyle-coronoid angle in both genders. The mean comparison also shows a variation between males and females, based on gonial angle and condyle-coronoid values; females have statistically significant higher mean values than males. Based on the analysis, the present study concludes that this difference between males and females from both sides suggests that the gonial angle and condyle-coronoid angle help in gender determination.
Conclusion:
The results of the study show that greater mandibular angle aids in gender dimorphism and proves to be beneficial in gender estimation. Gonial angle and condyle-coronoid angle can be used to differentiate gender with high accuracy.
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