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Clinical Factors Associated with Apical Periodontitis Visible on Cone-beam Computed Tomography but Missed with Periapical Radiographs: A Retrospective Clinical Study

Title
Clinical Factors Associated with Apical Periodontitis Visible on Cone-beam Computed Tomography but Missed with Periapical Radiographs: A Retrospective Clinical Study
Authors
Jang, Young-EunKim, Bom SahnKim, Yemi
Ewha Authors
김범산김예미장영은
SCOPUS Author ID
김범산scopus; 김예미scopus
Issue Date
2020
Journal Title
JOURNAL OF ENDODONTICS
ISSN
0099-2399JCR Link

1878-3554JCR Link
Citation
JOURNAL OF ENDODONTICS vol. 46, no. 6, pp. 832 - 838
Keywords
Apical periodontitis"as low as reasonable achievable"principlecone-beam computed tomographycone-beam computed tomographic-detected lesionspulp necrosis
Publisher
ELSEVIER SCIENCE INC
Indexed
SCIE; SCOPUS WOS scopus
Document Type
Article
Abstract
Introduction: Cone-beam computed tomographic (CBCT) imaging is useful in detecting apical periodontitis, which is often missed in periapical (PA) radiographs. This study aimed to identify preoperative predictors correlated with the presence of apical periodontitis visible only in CBCT images and to investigate the important characteristics of such lesions. Methods: In total, 332 consecutive patients with both PA radiographs and CBCT images were enrolled in this study. The patients' clinical charts were reviewed retrospectively to collect information regarding their symptoms and diagnoses. Periapical lesions were assessed using a modified CBCT PA index by 2 endodontists. Patient-related factors (age, sex, and symptoms) and tooth-related factors (tooth type, location, pulp status, and pulpal diagnosis) were assessed to determine their relationships with the presence of apical periodontitis visible only in CBCT images. Results: Apical periodontitis was detected in 24.6% and 35.5% of untreated teeth by PA radiographs and CBCT images, respectively. In a multivariate logistic regression analysis, pulp necrosis was significantly correlated with the presence of apical periodontitis visible only in CBCT images (odds ratio = 5.401; 95% confidence interval, 1.911-15.265; P =.001); the involvement of molars showed borderline nonsignificant correlation (odds ratio = 2.843; 95% confidence interval, 0.990-8.164; P =.052). Lesion sizes smaller than 2 mm in diameter and the involvement of molars were significant factors of lesions visible only in CBCT images (P>.05). Conclusions: Pulp necrosis was a preoperative predictor of apical periodontitis visible only in CBCT images. This research could provide a proper indication for CBCT imaging at diagnostic stages.
DOI
10.1016/j.joen.2020.03.005
Appears in Collections:
의과대학 > 의학과 > Journal papers
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