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Evaluation of the Relationship Between Mandibular Third Molar and Mandibular Canal by Different Algorithms of Cone-Beam Computed Tomography Publisher Pubmed



Mehdizadeh M1 ; Ahmadi N2 ; Jamshidi M3
Authors
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Authors Affiliations
  1. 1. Department of Oral and Maxillofacial Radiology, School of Dentistry, Torabinejad Dental Research Center, Dental Implants Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Department of Oral and Maxillofacial Radiology, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Contemporary Dental Practice Published:2015


Abstract

Objectives: Exact location of the inferior alveolar nerve (IAN) bundle is very important. The aim of this study is to evaluate the relationship between the mandibular third molar and the mandibular canal by cone-beam computed tomography. Study design: This was a cross-sectional study with convenience sampling. 94 mandibular CBCTs performed with CSANEX 3D machine (Soredex, Finland) and 3D system chosen. Vertical and horizontal relationship between the mandibular canal and the third molar depicted by 3D, panoramic reformat view of CBCT and cross-sectional view. Cross-sectional view was our gold standard and other view evaluated by it. Results: There were significant differences between the vertical and horizontal relation of nerve and tooth in all views (p < 0.001). Conclusion: The results showed differences in the position of the inferior alveolar nerve with different views of CBCT, so CBCT images are not quite reliable and have possibility of error.
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