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J Endod. 2013 Dec;39(12):1649-53. doi: 10.1016/j.joen.2013.06.032. Epub 2013 Aug 31.

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

Author information

1
Department of Endodontics, Instituto de Implantologia, Lisbon, Portugal. Electronic address: jnr_martins@yahoo.com.br.

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.

KEYWORDS:

Anatomy; C-shape; maxilla; molar

PMID:
24238466
DOI:
10.1016/j.joen.2013.06.032
[Indexed for MEDLINE]

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