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Objectives: To evaluate the anatomy of the nasolacrimal duct and the adjacent maxillary bone thickness using multislice computed tomography. Methods: Tomographic images of 92 individuals (184 sides) were analyzed according to sex, side, and sagittal (Class I, II, and III) and vertical (mesocephalic, brachycephalic, ...

Mandibular canines usually have one root with one root canal. However, variations may occur. The present study reports two cases of successful retreatment of two mandibular canines with two roots and two root canals, a rarer configuration. In both cases reported, the unsuccessful treatment in the primary endodontic ...

Among the roots of maxillary molars, the mesiobuccal often presents with a root canal system that may be complex and variable, leading to a greater challenge when trying to achieve a proper chemo-mechanical preparation. The present report intends to show a successful root canal treatment of a maxillary second molar ...

Objectives: This study performed a systematic review of anatomy prevalence studies using cone-beam computed tomography to comprehend the root and root canal configuration types in Brazilian sub-populations. Methods: This systematic review followed PRISMA’s statements. Four electronic databases (PubMed, Scienc...

The maxillary first molar has been presented as a tooth with an enormous variety of root canal system configurations. The purpose of this paper is to present two cases of maxillary first molars displaying an uncommon seven root canal system morphology. After a proper access opening of the maxillary molars undergoing...