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Gender Estimation Using Dental Measurements in CBCT: Focusing on the Mandibular Canine Index
1Department of Oral and Maxillofacial Radiology, Nimet Bayraktar Oral and Dental Health Hospital, Kayseri, Turkey.
Nigerian Journal of Clinical Practice
|March 4, 2025
Summary
The mesiodistal diameter of the right mandibular canine, measured using cone beam computed tomography (CBCT), can help estimate gender in forensic science. A measurement of 5.65 mm or higher suggests a 72.8% probability of male sex.
Area of Science:
- Forensic Odontology
- Radiology
- Anthropology
Background:
- Gender determination is crucial in forensic science.
- Radiological techniques offer objective data for gender assessment.
Purpose of the Study:
- To evaluate the mandibular canine index (MCI) using cone beam computed tomography (CBCT) for gender prediction.
- To assess the utility of CBCT-derived MCI in forensic gender estimation.
Main Methods:
- Retrospective analysis of 503 CBCT scans.
- Measurement of mesiodistal widths of mandibular canines (teeth 43 and 33).
- Calculation and statistical analysis of the mandibular canine index (MCI).
Main Results:
- ROC curve analysis determined sensitivity and specificity for gender prediction.
- Mesiodistal diameter of the right mandibular canine (5.65 mm cutoff) showed 72.8% probability of male sex.
- Measurements of teeth 43 and 33 provide auxiliary forensic data for gender estimation.
Conclusions:
- Mesiodistal diameter measurements of mandibular canines (43 and 33) can support forensic gender estimation.
- CBCT-based MCI is a potential tool for corroborating forensic findings.
