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Correlation of Root Canal Morphology of Endodontically Treated Premolar and Molar Teeth With Procedural Errors Using Cone-Beam Computed Tomography in an Iranian Population Publisher



Foroozandeh M1 ; Ehsani A2 ; Khazaei S3 ; Ehsani M4
Authors
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Authors Affiliations
  1. 1. Department of Oral and Maxillofacial Radiology, Dental School, Hamadan University of Medical Sciences, Hamadan, Iran
  2. 2. Department of Oral and Maxillofacial Radiology, School of Dentistry, Alborz University of Medical Sciences, Karaj, Iran
  3. 3. Department of Epidemiology, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
  4. 4. Department of Oral and Maxillofacial Radiology, Dental School, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Stomatology Published:2024


Abstract

Introduction: The prevalence of different root canal morphologies and types of endodontic procedural errors has been previously evaluated. Objectives: This study aimed to assess the quality of endodontic treatments and most common procedural errors as well as to evaluate the correlation of procedural errors with the root canal morphology of premolar and molar teeth according to Vertucci's classification using cone-beam computed tomography (CBCT). Material and methods: In this cross-sectional study, 230 endodontically treated teeth were evaluated on 287 CBCT of patients presenting Hamadan Dental School from 2019 to 2021. Canal type was determined according to Vertucci's classification system. Endodontic procedural errors, including under-filling, over-filling, nonhomogenous filling, perforation, and missed canals were also assessed. Correlation between the type of procedural error and root canal morphology was analyzed with chi-square test using SPSS version 23, at 5% level of significance. Results: Under-filling was the most common procedural error in Vertucci's type I canals (27.69%, p = 0.92). In types II and IV canals, the most common procedural error was missed canals, with a prevalence rate of 18.36% and 13.63%, respectively. Non-homogenous filling (p = 0.68) and missed canals (p = 0.003) were the most common errors in type III canals (25%). Over-filling (p = 0.05) and non-homogenous (p = 0.68) filling were the most frequent errors in type V canals (28.58%). Conclusions: Over-filling and missed canals showed a significant correlation with canal type. Moreover, the type of canal demonstrated a significant correlation with the presence of periapical lesions, i.e., periapical lesions showed the highest prevalence in canal types III and V. © 2024 Polish Dental Association.
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