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:: Volume 8, Issue 1 (March- 2019) ::
Caspian J Dent Res 2019, 8(1): 0-0 Back to browse issues page
Prevalence of mandibular accessory foramina using CBCT in a selected iranian population
Nazmehr Vahdani , Fatemeh Ghobadi , Ali Bijani , Sina Haghanifar *
,Oral Health Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, IR Iran. , dr_haghanifar@yahoo.com
Abstract:   (186 Views)
Introduction: The aim of the current study was to evaluate the prevalence of accessory foramina in human mandible.
Materials & Methods: In this cross-sectional study, 400 cone-beam computed tomography (CBCT) scan images of mandibles of 273 patients (120 males and 153 females), divided into four groups <30, 30–39, 40–49, and ≤50 years) with the mean age of 38.05 years (40.71 for males and 35.39 for females) were evaluated. The number and diameter of accessory foramina from midline to anterior border of ramus with 0.1 mm intervals were investigated.
Results: Totally, 568 accessory foramina with mean diameter of 0.35 ± 0.15 mm were seen. The total prevalence of accessory foramina was 83% (54% in females and 46% in males), of which 88% and were related to males and females, respectively. These results showed a significant difference between the genders in prevalence of accessory foramen (P<0.001) although no difference was observed among different age groups. The highest prevalence belonged to anterior lingual of mandible. The prevalence of accessory foramina in posterior mandible was higher in females, while males indicated higher prevalence in anterior mandible. No significant difference was found in the prevalence of accessory foramina between the right and left sides of the mandible.
Conclusion: The results suggested a significant prevalence of accessory foramina in mandible of Iranian population, which should be considered in the therapeutic procedures. The use of CBCT scan to identify and find the location of accessory foramina is recommended in mandibular surgeries.
Keywords: Mandible, Cone beam computed tomography, Anatomic variation, Prevalence
Type of Study: Original Article | Subject: Oral & Maxillofacial Radiology
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Vahdani N, Ghobadi F, Bijani A, Haghanifar S. Prevalence of mandibular accessory foramina using CBCT in a selected iranian population. Caspian J Dent Res. 2019; 8 (1)
URL: http://cjdr.ir/article-1-268-en.html

Volume 8, Issue 1 (March- 2019) Back to browse issues page
مجله تحقیقات دندانپزشکی کاسپین Caspian Journal of Dental Research
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