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Brazilian Journal of Oral Sciences
Piracicaba Dental School - UNICAMP
EISSN: 1677-3225
Vol. 14, No. 3, 2015, pp. 214-218
Bioline Code: os15038
Full paper language: English
Document type: Research Article
Document available free of charge

Brazilian Journal of Oral Sciences, Vol. 14, No. 3, 2015, pp. 214-218

 en Canal transportation and centering ability of curved root canals prepared using rotary and reciprocating systems
Barbosa-Ribeiro, Marlos; Albergaria2, Silvio José; Malvar2, Maria de Fátima Gesteira; Crusoé-Rebello, Iêda Margarida; Gomes1, Brenda Paula Figueiredo de Almeida & de Carvalho, Fabíola Bastos


Aim: To evaluate canal transportation and centering ability of Protaper and WaveOne systems in curved root canals by cone-beam computed tomography. Methods: Twenty human molars were randomly divided into two groups according to the system used: Group GP (ProTaper Universal®) and group GW (WaveOne™). CT scans were performed before and after the chemo-mechanical preparation on three points: 2 mm, 3 mm and 4 mm from the tooth apex. The cuttings in dentin were measured and results were statistically analyzed. Results: In GP, there was higher percentage in transport at 2 mm and 4 mm toward the mesial wall of the tooth root compared to GW (p<0.05). There was no difference between the systems regarding their centering ability. Conclusions: None of the systems was able to touch all the dentin walls and stay centered during the chemical-mechanical preparation.

root canal preparation; endodontics; cone-beam computed tomography

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