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Article: Volume 49 Number 6 Page 515 - June 2022

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  Dental Update 501: 515-518

Endodontics:  A Rare Finding of a Radix Entomolaris and Radix Paramolaris in a Lower First Mandibular Molar Requiring Endodontic Treatment: A Case Report

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Abstract: The success of endodontic treatment lies in the ability to appropriately access, clean and debride the entire root canal system to prevent or treat peri-apical pathology. The ‘conventional’ anatomy of a lower first molar consists of one mesial root usually with two canals and one distal root containing a single canal. Variations of this anatomy may present many clinical challenges to the operator. This case report is a summary of the clinical considerations for endodontic treatment of a symptomatic lower first mandibular molar with four roots and five canals.

Clinical relevance: Dental professionals should be aware of variations in root canal anatomy.

Author notes: Lorna Gladwin, BDS, MFDS, DCT2 Restorative Dentistry, Manchester Dental Hospital. Jaymit Patel, BSc, BDS, MFDS, PGCert, StR Restorative Dentistry, Restorative Department, Leeds Teaching Hospitals Trust. email:

Objective: To identify, understand and manage complex anatomical root canal morphology variants.

S4S Dental_June22