Prevalence of radix entomolaris in mandibular first molars using cone-beam computed tomography in Egyptian population: A cross-sectional study | ||
| Ain Shams Dental Journal | ||
| Volume 38, Issue 2, June 2025, Pages 108-114 PDF (1.12 M) | ||
| Document Type: Original articles | ||
| DOI: 10.21608/asdj.2025.360032.1855 | ||
| Authors | ||
| Hisham Moustafa El halabi* 1; Khaled Ali Beshr2; Zein El-Abedeen Abdou Shatat3 | ||
| 1Endodontic Department, Faculty of Dentistry, Assuit University, Assiut, Egypt | ||
| 2Department of Endodontic, Faculty of Dentistry, Beni-Suef University,Egypt | ||
| 3Lecturer of Oral and Maxillofacial Radiology Department , Faculty of Oral and Dental Medicine Assiut University | ||
| Abstract | ||
| Aim: By identifying the supernumerary root, the clinician can prevent the root's canal from being overlooked during root canal therapy. Therefore, this study used cone beam computed tomography (CBCT) images of a group of Egyptian population to determine the prevalence of radix entomolaris (REM) in mandibular first molars. Materials and methods: After a total of 893 CBCT images of male and female Egyptian population were screened, the CBCT scans with unilateral or bilateral mandibular first molars were included in this research. A lone researcher with CBCT technology training conducted the examination. As part of the CBCT imaging screening process, axial sections from coronal to apical were assessed. It was determined and documented if REM was present or absent (yes/no) in the mandibular first molar. Results: The prevalence results in mandibular first molars showed that, the overall prevalence of REM was 3.92% (35/893) in the sample population, however, the REM was present in 3.54% (16/452) of females and 4.31% (19/441) of males. The prevalence of REM did not significantly differ according to side or gender. Although the prevalence of REM was prevalent bilaterally, neither the unilateral nor bilateral positions showed any statistically significant differences. Conclusion: In the Egyptian population, 3.92% of mandibular first molars had REM. Moreover, when treating the permanent first mandibular molar, clinicians should consider the probability of bilateral REM occurrences. | ||
| Keywords | ||
| CBCT; Egyptian; Mandibular First Molars; radix entomolaris | ||
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