4.5 Review

Application of a new system for classifying root and canal anatomy in studies involving micro-computed tomography and cone beam computed tomography: Explanation and elaboration

Journal

INTERNATIONAL ENDODONTIC JOURNAL
Volume 54, Issue 7, Pages 1056-1082

Publisher

WILEY
DOI: 10.1111/iej.13486

Keywords

accessory canals; anatomy; anomalies; canal configuration; cone beam computed tomography; micro‐ computed tomography; new system; root; root canal morphology

Funding

  1. [GPF018A-2020]
  2. [BK-010-2018]

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Adequate knowledge and accurate characterization of root and canal anatomy are crucial for successful root canal treatment. A new coding system has been introduced to classify root and canal morphology, accessory canals, and anomalies. Micro-CT and CBCT have been extensively used to study root and canal anatomy, and this review aims to discuss the application of the new coding system and provide a detailed guide for appropriate characterization.
Adequate knowledge and accurate characterization of root and canal anatomy is an essential prerequisite for successful root canal treatment and endodontic surgery. Over the years, an ever-increasing body of knowledge related to root and canal anatomy of the human dentition has accumulated. To correct deficiencies in existing systems, a new coding system for classifying root and canal morphology, accessory canals and anomalies has been introduced. In recent years, micro-computed tomography (micro-CT) and cone beam computed tomography (CBCT) have been used extensively to study the details of root and canal anatomy in extracted teeth and within clinical settings. This review aims to discuss the application of the new coding system in studies using micro-CT and CBCT, provide a detailed guide for appropriate characterization of root and canal anatomy and to discuss several controversial issues that may appear as potential limitations for proper characterization of roots and canals.

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