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Júnior EC, da Fonseca TS, da Frota MF, et al. Cleaning capacity of hybrid instrumentation technique using reamer with alternating cutting edges system files: Histological analysis. Contemp Clin Dent. 2014;5(2):203-8doi: 10.4103/0976-237X.132330.
Júnior, E. C., da Fonseca, T. S., da Frota, M. F., de Carvalho, F. M., Marques, A. A., & Garcia, L. d. a. . F. (2014). Cleaning capacity of hybrid instrumentation technique using reamer with alternating cutting edges system files: Histological analysis. Contemporary clinical dentistry, 5(2), 203-8. https://doi.org/10.4103/0976-237X.132330
Júnior, Emilio Carlos Sponchiado, et al. "Cleaning capacity of hybrid instrumentation technique using reamer with alternating cutting edges system files: Histological analysis." Contemporary clinical dentistry vol. 5,2 (2014): 203-8. doi: https://doi.org/10.4103/0976-237X.132330
Júnior EC, da Fonseca TS, da Frota MF, de Carvalho FM, Marques AA, Garcia Lda F. Cleaning capacity of hybrid instrumentation technique using reamer with alternating cutting edges system files: Histological analysis. Contemp Clin Dent. 2014 Apr;5(2):203-8. doi: 10.4103/0976-237X.132330. PMID: 24963247; PMCID: PMC4067784.
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Contemp Clin Dent. 2014 Apr;5(2):203-8. doi: 10.4103/0976-237X.132330.

Cleaning capacity of hybrid instrumentation technique using reamer with alternating cutting edges system files: Histological analysis.

Contemporary clinical dentistry

Emilio Carlos Sponchiado Júnior, Tiago Silva da Fonseca, Matheus Franco da Frota, Fredson Marcio Acris de Carvalho, André Augusto Franco Marques, Lucas da Fonseca Roberti Garcia

Affiliations

  1. Department of Endodontics, School of Dentistry, Federal University of Amazonas, Brazil.
  2. Department of Restorative Dentistry, Araraquara School of Dentistry, University of São Paulo State, Araraquara, Brazil.
  3. Department of Endodontics, State University of Amazonas, Manaus, AM, Brazil.
  4. Department of Dental Materials and Prosthodontics, Ribeirão Preto School of Dentistry, University of São Paulo, Ribeirão Preto, SP, Brazil.

PMID: 24963247 PMCID: PMC4067784 DOI: 10.4103/0976-237X.132330

Abstract

AIM: The aim of the following study is to evaluate the cleaning capacity of a hybrid instrumentation technique using Reamer with Alternating Cutting Edges (RaCe) system files in the apical third of mesial roots of mandibular molars.

MATERIALS AND METHODS: Twenty teeth were selected and separated into two groups (n = 20) according to instrumentation technique as follows: BioRaCe - chemomechanical preparation with K-type files #10 and #15; and files BioRaCe BR0, BR1, BR2, BR3, and BR4; HybTec - hybrid instrumentation technique with K-type files #10 and #15 in the working length, #20 at 2 mm, #25 at 3 mm, cervical preparation with Largo burs #1 and #2; apical preparation with K-type files #15, #20, and #25 and RaCe files #25.04 and #30.04. The root canals were irrigated with 1 ml of 2.5% sodium hypochlorite at each change of instrument. The specimens were histologically processed and photographed under light optical microscope. The images were inserted onto an integration grid to count the amount of debris present in the root canal.

RESULTS: BioRaCe presented the highest percentage of debris in the apical third, however, with no statistically significant difference for HybTec (P > 0.05).

CONCLUSIONS: The hybrid technique presented similar cleaning capacity as the technique recommended by the manufacturer.

Keywords: Cleaning capacity; endodontics; root canal treatment; rotary endodontics

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