DETECTION OF PROCEDURAL ERRORS DURING ROOT CANAL INSTRUMENTATION USING CONE-BEAM COMPUTED TOMOGRAPHY
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Cone-beam computed tomography, diagnostic imaging, root canal preparation, rotary instrumentsResumo
This study investigated procedural errors occurring during root canal preparation with nickel-titanium (NiTi) instruments, using cone-beam computed tomography (CBCT) imaging. Materials and Methods: A total of 100 human mandibular molars were divided into five groups (n = 20) according to the NiTi system used for root canal preparation: Group 1 - BioRaCe, Group 2 - K3, Group 3 - ProTaper, Group 4 - Mtwo, and Group 5 - Hero Shaper. CBCT images were obtained to detect procedural errors committed during root canal preparation. Two examiners evaluated the presence or absence of fractured instruments, perforations, and canal transportation. The chi-square test was used for statistical analysis. The level of significance was set at α=5%.
Referências
Santos SM, Soares JA, César CA, Brito-Júnior M, Moreira AN, Magalhães CS. Radiographic quality of root canal fillings performed in a post-graduate program in endodontics. Braz Dent J 2010;21:315-21. 12.
de Alencar AH, Dummer PM, Oliveira HC, Pécora JD, Estrela C. Procedural errors during root canal preparation using rotary NiTi instruments detected by periapical radiography and cone beam computed tomography. Braz Dent J 2010;21(6):543-9. 13.
Peters OA. Current challenges and concepts in the preparation of root canal systems: A review. J Endod 2004;30(8):559-67.
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