Endodontic management of a mandibular second molar with radix entomolaris: a case report
Hannah Rosaline, Kandaswamy Deivanayagam, Jayaprakash Nachimuthu,
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( Hannah Rosaline ) - Sri Ramachandra University Faculty of Dental Sciences Department of Conservative Dentistry and Endodontics
( Kandaswamy Deivanayagam ) - Sri Ramachandra University Faculty of Dental Sciences Department of Conservative Dentistry and Endodontics
( Jayaprakash Nachimuthu ) - JKK Nataraja Dental College Department of Conservative Dentistry and Endodontics
KMID : 1034420140390020132
Abstract
The presence of radix entomolaris (RE) in a mandibular first molar is a common occurrence in certain ethnic groups, but the presence of RE in a mandibular second molar is a rare occurrence. In the present case, RE was identified from preoperative radiographs and confirmed using cone-beam computed tomography (CBCT). The access cavity was modified to locate the RE. Cleaning and shaping were performed with nickel-titanium rotary instruments. Obturation was completed with gutta-percha cones using AH Plus (Dentsply Detrey GmbH) as sealer. From the CBCT axial images, the RE was determined to have a Type III curvature by the De Moor classification, Type B separate RE by the Carlsen and Alexandersen classification, and radiographically, a Type i image by the Wang classification. The presence of RE in the mandibular second molar makes it essential to anticipate and treat the distolingual root canal. This case report highlights the usefulness of CBCT for assessing RE in the mandibular second molar, which can help the clinician in making a confirmatory diagnosis and assessing the morphology of the root canal.
키워드
Cone-beam computed tomography; Radix entomolaris; Second molar
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