Abstract

The study examined mandibular premolars' root and canal distribution across genders and sides. Cone-beam computed tomography (CBCT) imaging of mandibular premolars was performed using SINORA ORTHOPHOS XG 3D, with specific parameters set. Cone-beam computed tomography (CBCT) imaging of 100 participants revealed mostly single-rooted premolars, with slight variations, notably among females. Mandibular first premolars predominantly had single canals and roots, with a higher occurrence of two canals in females. Statistical analysis showed no significant gender- or side-based differences in root distribution. The findings underscore gender-specific variations in premolar morphology, highlighting the importance of tailored treatment planning, especially for the left side. While CBCT proves valuable, further research is needed to optimize its utility in endodontic decision-making.

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