Evaluation of internal morphology in third molars using four different methods

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Edition V07N01 | Year 2017 | Editorial Original Article | Pages 8 to 13

Humberto Ramah Menezes De Matos, Suyane Parente Leite, Flavia Maria Noronha Nigri, Luanni Belmino Mastroianni, Aldo Angelim-dias

This research assessed the amount and configuration of root canals in maxillary and mandibular third molars by means of four methods (radiographic, macroscopic, microscopic, and serial sections). A total of 100 third molars were selected, and the following exclusion criteria were applied: teeth with crowns completely destroyed by caries; incomplete root formation; root resorption or fractures. Healthy teeth or teeth with minor restorations were included. Samples were divided into two groups (GS and GI) consisted of maxillary third molars (n=50) and mandibular third molars (n=50), respectively. Subsequently, teeth were assessed by radiographic, macroscopic, microscopic and serial section methods. There was a higher prevalence of three root canals (68.7% in GS and 65.3% in GI). The most predominant root canal configuration was circular (64.9% in GS and 51.3% in G I), followed by flattened (27.6% in GS and 38% in GI), and oval (7.4% in GS and 7% in GI). According to the outcomes and methods of this study, it is concluded that third molars have a wide variation in internal anatomy, which is key to know and master whenever endodontic treatment is recommended.

Molar, Dental pulp cavity, Anatomy, Endodontics,

Matos HRM, Leite SP, Nigri FMN, Mastroianni LB, Angelim- Dias A. Evaluation of internal morphology in third molars using four different methods. Dental Press Endod. 2017 Jan-Apr;7(1):8-13. DOI: http://dx.doi.org/10.14436/2358-2545.7.1.008-013.oar

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