Prevalence of Radix Entomolaris and Middle Mesial Canal in an Egyptian Sub-population Using Cbct.

Inclusion Criteria: * Participants aged 18 years and above. * Egyptian individuals with permanent mandibular molars had CBCT imaging. * High-quality CBCT scans with clear visualization of mandibular molars. Exclusion Criteria: * Non- Egyptian patients. * Molars are badly broken down with root defect such as root caries, or root resorption.