Assessment of Impacted Third Molar in Relation to Inferior Alveolar Canal: A Cross-Sectional Study to Compare Radiographic Precision of Intraoral Periapical Radiograph and Panoramic Radiograph in Relation to Cone Beam Computed Tomography
Journal Title: INTERNATIONAL JOURNAL OF SCIENTIFIC STUDY - Year 2017, Vol 5, Issue 6
Abstract
Introduction: Extraction of impacted third molar is a routine procedure in oral and maxillofacial surgery, either for prophylactic or for symptomatic reasons. Objective: To compare the accuracy of intraoral periapical radiograph (IOPAR) and panoramic radiograph with that of cone beam computed tomography (CBCT) for determining the proximity of impacted lower third molar with mandibular canal. Materials and Methods: The present study consisted of 20 participants, in age group of 20 years and above with impacted mandibular third molar visiting the department of Oral surgery, D.J. College of Dental Science and Research (DJCDSR), Modinagar, Uttar Pradesh. Relationship of impacted mandibular third molar with the mandibular canal was assessed using IOPAR and panoramic radiographic signs and CBCT findings. The seven radiographic signs, i.e., darkening of root, deflection of root, narrowing of root, dark and bifid root, interruption of white line of canal, diversion of canal, narrowing of canal on both IOPAR, and PANORAMIC Radiographic, were correlated for the proximity and involvement with CBCT findings for the same. Results: After evaluation of seven radiographic signs seen in IOPARs with CBCT result states that darkening of root (P = 0.025), diversion of canal (P = 0.022), and interruption of white line of canal (P = 0.021) have significant value (P < 0.05) according to Pearson’s chi-squared whereas only two panoramic radiographic signs, i.e., darkening of root (P = 0.022) and interruption of white line of canal (P = 0.026) have significant value. Conclusion: This study showed the poor reliability of panoramic radiographic signs than IOPAR in predicting the proximity of mandibular third molar root with mandibular canal related to CBCT finding. Radiographic signs of IOPAR reliability with CBCT findings are found to be more precise and accurate as per for future prospects.
Authors and Affiliations
Ashish Mular, Varun Kumar, Jyotish Kumar Jha, Debiprasad Ghatak, Yogesh Bhalerao, Sunny Deshmukh
Keywords
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