Aim of this study: It was to determine the prevalence of Mandibular Incisive Canal (MIC) among a sample of Yemeni adults obtained from Cone-beam Computed Tomography (CBCT). Materials and Methods: This is a retrospective descriptive cross-sectional study which is conducted in Yemen to evaluate CBCT images of 180 subjects, 360 sides were evaluated respectively. The samples were 74 males (41.1%) and 106 females (58.9%). Result: Of the 180 subjects and 360 sides, 167 right (92.8%) and 171 left (95%) Sides were found to have MIC. Among these subjects, 166 (96.5%) had MIC bilaterally and 6 (3.5%) were unilaterally. According to gender, females were (98.1%) and males (91.9%), while among age groups ≤ 40 years (94.3%) and > 40 years (97.3%) were found to have MIC. The mean height of MIC was 1.77 ±.45mm and the mean width was 1.66 ±.44 mm. The mean length of MIC was 12.74 ±4.4 mm. The mean distance from MIC to the alveolar process was 16.77 ±4.06 mm and to the inferior border of the mandible was 8.61 ±1.9 mm. The mean distance from MIC to the labial bony surface was 3.12 ±1.09 mm and to the lingual bony surface was 4.35 ±1.5 mm. All the mean values of the linear measurements were slightly higher in males than that of females. There were statistically significant differences in D3, D5 & D6 between genders and in D3, D4 & D5 between ages (P < 0.05). But there was no statistically difference between sides. Conclusion: The MIC is present with a significant percentage of 95.6 % of Yemeni adults, which emphasizes the need to raise the awareness of MIC position and configuration among general practitioners and maxillofacial surgeons.
The aim of this study was to evaluate the prevalence of dry socket at the faculty of dentistry in Sana’a University. Patient and methods: 994 patients attended to the Oral Surgery Clinic in the faculty of Dentistry, Sana'a University, to have their teeth extracted in period from October 1, 2022 to January 19, 2023. 26 patients with dry socket were analyzed who underwent tooth extraction. Results: The percentage of the patients who had a dry socket was 2.6%. The percentage of male to female was 1:1.3. According to age the dry socket was more in age between 18-30 years. Conclusion: The incidence of dry socket was more happened in young adult, female, single tooth in mandible and with patients taking non-steroidal anti-inflammatory drugs before extraction.
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