Number and Roots Type Differences Between Genders: A Comprehensive in-vivo CBCT Study in a Yemeni Population

Abstract
1.1. Objective: This study used cone-beam computed tomography
(CBCT) analysis to examine the root number and types of maxil-
lary third molars in Yemen.
1.2. Material and Methods: Three hundred and twenty CBCT
images of permanent maxillary third molars of Yemeni patients
were included in this study. Each root’s number and types of Roots
(R) (separated or fused) were evaluated.
1.3. Results: Of the 320 investigated maxillary third molars,
50 had several Rs. Among the cases, 15.6% featured a single R,
and 29 cases (9.1%) exhibited two Rs. 220 cases, accounting for
68.8%, had three Rs; a smaller proportion, 21 of cases, constituting
6.6%, displayed four Rs.
1.4. Conclusion: Gender differences in R distribution are evident
in the Yemenis’ maxillary third molars. Significantly, more males
displayed two Rs, and more females than expected displayed three
Rs. On the other hand, fewer females than expected had one and
four Rs. In comparison, fewer males than expected had one R.