Evaluation of juxta-apical radiolucency as a risk factor for inferior alveolar nerve damage: A cone-beam computed tomography (cbct) study

Khojastepour, L and Ghasemi, M and Rasti, S and Hasani, M (2020) Evaluation of juxta-apical radiolucency as a risk factor for inferior alveolar nerve damage: A cone-beam computed tomography (cbct) study. Shiraz E Medical Journal, 21 (10). pp. 1-5. ISSN 1735-1391

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Abstract

Background: Injuries to the lingual and inferior alveolar nerves (IAN) through third molar surgery are common and complicated clinical problems. Juxta-apical radiolucency (JAR) is one of the new radiographic signs, suggestive of IAN damage. Objectives: This study aimed to assess the relationship between JAR and IAN and to determine its effects on the cortical plate. Methods: In this cross-sectional study, after evaluating an initial sample of 450 cases, the cone-beam computed tomography (CBCT) images of 20 patients with JAR were compared with those of 20 age-matched patients without JAR in the axial and multi-planar images. The relationship between JAR and IAN was evaluated, and thinning of the mandibular cortical plates was also investigated. Statistical analysis was performed using descriptive tests and chi-square test in SPSS version 23. Results: The relationship between JAR and IAN was statistically significant (P = 0.001). The cortical plates were perforated in 75% of cases with JAR as opposed to 45% of cases without JAR (P = 0.06). The relationship between the location of JAR and IAN was also significant (P = 0.004). Conclusions: Based on the present results, JAR was associated with IAN in most cases. Thinning of the cortical plates was observed in all cases of JAR.

Item Type: Article
Uncontrolled Keywords: CBCTIAN InjuryJuxta-Apical Radiolucency
Subjects: R Medicine > RK Dentistry
WU Dentistry. Oral surgery
Divisions: Faculty of Dentistry
Depositing User: خدیجه شبانکاره
Date Deposited: 22 Dec 2020 08:54
Last Modified: 22 Dec 2020 08:54
URI: http://eprints.bpums.ac.ir/id/eprint/9074

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