C-shaped maxillary permanent first molar: a case report and literature review.

Jorge N R Martins, Sérgio Quaresma, Maria Carlos Quaresma, Jared Frisbie-Teel

Journal: Journal of endodontics 2015;39(12):1649-53

PMID: 24238466

Full Text on Elsevier Science View on PubMed

Abstract

INTRODUCTION

The C-shaped configuration is rare in the upper first molar.The purpose of this article is to present 2 cases diagnosed during endodontic therapy and perform a literature review of this anatomy in the upper first molar.

METHODS

Endodontic therapy was performed by using a dental operating microscope and a cone-beam computed tomography analysis for better understanding of this anatomy. A literature search was conducted to identify and compare all the published cases of C-shaped upper first molar.

RESULTS

Before the cases reported in this article, only 5 cases were available in the published literature. Three different types of C-shaped configurations in the upper first molar have been presented.

CONCLUSIONS

The C-shaped maxillary first molar is a rare anatomic configuration. The use of the dental operating microscope may help in the endodontic therapy of these cases. Three types of C-shaped configurations have been reported; the fusion of the distobuccal root with the palatal root appears to be the most usual one.

Address: Department of Endodontics, Instituto de Implantologia, Lisbon, Portugal. Electronic address: [email protected].

DOI: 10.1016/j.joen.2013.06.032

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MeSH Terms: Adult, Aged, Anatomic Variation, Cone-Beam Computed Tomography, Dental Pulp Cavity, Dental Pulp Necrosis, Epoxy Resins, Female, Follow-Up Studies, Fused Teeth, Gutta-Percha, Humans, Male, Maxilla, Microsurgery, Molar, Periapical Abscess, Pulpitis, Root Canal Filling Materials, Root Canal Irrigants, Root Canal Preparation, Sodium Hypochlorite