ArticleCureus2026
Prevalence of Apical Periodontitis and Its Association With Missed Canals and the Quality of Endodontic Filling Using Cone-Beam Computed Tomography (CBCT).
Article in Cureus, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
introductionThe success of endodontic treatment is mostly determined by the absence of apical periodontitis. This cross-sectional study aims to assess the prevalence of apical periodontitis and its association with missed canals and the quality of endodontic filling using cone-beam computed tomography (CBCT) in a Lebanese subpopulation.
methodsOne hundred and eighty-three CBCTs were analyzed by a 30-year experienced oral and maxillofacial radiologist over the period of three months. Every case of apical periodontitis was identified, and in every endodontically treated tooth, the quality of endodontic filling was recorded along with the presence of missed canals. All statistical analyses were performed using IBM SPSS Statistics for Windows, Version 26.0 (IBM Corp., Armonk, New York, United States). A significance level of α=0.05 was applied to all analyses.
resultsFour hundred and twenty-four cases of periapical periodontitis in endodontically treated teeth were identified. Forty-five (5.1%) of endodontically treated teeth presented with a missed canal, with 16 (35.56%) being the second mesiobuccal canal. Out of those, 24 (53.3%) showed a periapical lesion formation. Most canals, 584 (66.7%), presented with an adequate root canal filling. However, the overfilled ones showed a high prevalence of periapical lesions, seven (58.3%), followed by 139 (49.8%) in short-filled canals.
conclusionThis study found a high prevalence of periapical lesions in endodontically treated teeth, particularly in teeth with missed canals and short and overfilled canals.
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