Prevalence of Three-Rooted Mandibular Permanent First Molars among the Babylon City Population | ||
| Journal of University of Babylon | ||
| Article 1, Volume 24, Issue 3, April 2016, Pages 761-767 | ||
| Author | ||
| Haider Ali Hasan | ||
| Abstract | ||
| Background: The possible variations of anatomical and morphological characteristics of the teeth are very important especially for the endodontic practitioners. Purpose :The purpose of the present study was to evaluate the prevalence of three rooted mandibular permanent first molars in a Babylonion population radiographically. Materials and methods: Periapical radiographs of 420 subjects, which had been obtained in the Department of Oral Diagnosis, college of dentistry at Babylon University, Babylon people from June 2013 to March 2014, were screened and examined retrospectively. Comparison of the incidence and the correlations between males and females and left- and right-side occurrences were analyzed by using the Pearson chi-square test with SPSS (15.0; SPSS Inc., Chicago, IL, USA). Results: The periapical radiographs of 17 patients, 9 females and 8 males, had three rooted mandibular first molars.A mong these three-rooted mandibular first molars, 5 were found on the right side and 9 on the left side. The overall incidence of patients with three-rooted mandibular first molars was 4.05%. The incidence was 4% for men and 4.1% for women. Conclusion: The prevalence of three-rooted mandibular first molars from all teeth examined was 2.6% (20 of 779), 2% (8 of 398) for the right side, and 3.1% (12 of 381) for the left side occurrences. | ||
| Keywords | ||
| Anatomy; radix entomolaris; Babylon population | ||
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