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Comparison of the Position and View of the Inferior Alveolar Canal and Mental Foramen in Panoramic Radiography and CBCT Images
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N Anbiaee    , B Yazdani * |
| 2.Department of Restorative Dentistry, School of Dentistry, Mashhad University of Medical Sciences, Mashhad, I.R.Iran. , babk.yazdani@gmail.com |
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Abstract: (915 Views) |
Background and Objective: Knowing the position of the inferior alveolar canal and mental foramen is very important in periapical surgeries, administration of local anesthesia and implantation. The aim of this study is to compare the position and view of the inferior alveolar canal and mental foramen in panoramic radiography and CBCT images.
Methods: In this cross-sectional study, concurrent panoramic radiography and CBCT images of patients who visited a private radiology clinic for one year were examined. In panoramic radiographs, the indices of canal visibility, mental foramen visibility, proximity of mental foramen to mandibular premolar teeth, canal diameter, mental foramen diameter and distance from mental foramen to alveolar crest were examined. Then all these cases were evaluated and compared in CBCT radiographs (as gold standard).
Findings: In this study, concurrent CBCT and panoramic radiographs of 41 patients including 23 men (56.1%) and 18 women (43.9%) with a mean age of 51±13 years were analyzed. The mean values of variables of inferior alveolar canal diameter and distance from mental foramen to alveolar crest in panoramic images were significantly higher than CBCT images (p<0.001). The average diameter of mental foramen in panoramic images (3.9±1.3) was lower than CBCT images (4.2±1.3), but the difference was not significant (p=0.074).
Conclusion: Based on the results of this study, although panoramic radiography can be used in routine treatments and general examination of the mandible, it is necessary to use the CBCT technique in dental practices that require higher accuracy in terms of measurement. |
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| Keywords: Panoramic Radiography, Cone Beam Computed Tomography, Mental Foramen, Inferior Alveolar Canal. |
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Full-Text [PDF 397 kb]
(579 Downloads)
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Type of Study: Cross Sectional |
Subject:
Dentistry (Radiology)
Received: 2021/04/23 | Accepted: 2021/11/23 | Published: 2022/11/2
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