Endodontic Management of Maxillary First Molar with 7 Canals - A Case Report
Journal Title: Modern Approaches in Dentistry and Oral Health Care - Year 2018, Vol 2, Issue 3
Abstract
Comprehensive knowledge about the normal anatomy of the root canal system and its variations of the teeth are essential for the clinician as aberrations in number, shape and size are very common. Various diagnostic aids like preoperative radiographs in multiple angulations or the Cone Beam Computed Tomography can help the clinician in location and effective debridement of the root canal system. This case report describes a rare occurrence of 7 canals in a maxillary first molar in which CBCT was used as an additional diagnostic tool. Knowledge of canal morphology and its frequent variations is a prerequisite for endodontic therapy. These morphological variations in root canal anatomy play an important role in the outcome of root canal therapy. The foremost common causes of treatment failures, especially in permanent maxillary first molars have been attributed to the inability to locate, clean and adequately fill all canals of the root canal system [1]. The objective of root canal treatment is thorough cleaning and shaping of all the pulp spaces to be filled with an inert filling material. A successful root canal treatment depends on the diagnosis, treatment planning, good knowledge of the root canal system, and its frequent variations [2]. There are case reports of the incidence of second mesiobuccal (MB2) canals ranging between 18 and 96.1% [3-5]. The incidence of five canals is reported to be 2.25-2.4% [6,7] and the incidence of six canals is reported to be 0.32-0.88% [8]. The incidence of a second distobuccal (DBI) canal in the maxillary first molars has been reported to be as low as 1.7% [9] to 1.25% [10]. Case reports with more than four root canals have also been reported in threerooted maxillary first molars. An ex-vivo study by Baratto Filho, reported one maxillary first molar out of 140 samples having three roots and seven canals. They identified three mesiobuccal canals, three distobuccal canals, and one palatal canal [11]. Kottoor et al reported the endodontic management of the maxillary first molars with seven and eight canals, respectively [12,13]. This case report discusses the endodontic management of an unusual root canal configuration in a maxillary first molar showing three roots and seven canals. This unusual morphology was confirmed with the help of cone beam computerized tomography (CBCT) scans.
Authors and Affiliations
Ajit Hindlekar, Srinidhi SR, Jay Khatri, Niranjan Desai, Omkar Balsaraf
Keywords
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- EP ID EP609321
- DOI 10.32474/MADOHC.2018.02.000136
- Views 58
- Downloads 0
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