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Effect of the irrigation protocols on the elimination of dentin debris from simulated lateral canals / Efeito do método de irrigação na eliminação de debris dentinários em canais late-rais simulados
Titato, Pedro Cesar Gomes; Canali, Lyz Cristina Furquim; Vivan, Rodrigo Ricci; Duarte, Marco Antonio Hungaro; Duque, Jussaro Alves.
  • Titato, Pedro Cesar Gomes; University of São Paulo. Bauru School of Dentistry. Operative Dentistry, Endodontics and Dental Materials. Bauru. BR
  • Canali, Lyz Cristina Furquim; University of São Paulo. Bauru School of Dentistry. Operative Dentistry, Endodontics and Dental Materials. Bauru. BR
  • Vivan, Rodrigo Ricci; University of São Paulo. Bauru School of Dentistry. Operative Dentistry, Endodontics and Dental Materials. Bauru. BR
  • Duarte, Marco Antonio Hungaro; University of São Paulo. Bauru School of Dentistry. Operative Dentistry, Endodontics and Dental Material. Bauru. BR
  • Duque, Jussaro Alves; University of São Paulo. Bauru School of Dentistry. Operative Dentistry, Endodontics and Dental Material. Bauru. BR
Braz. dent. sci ; 21(4): 437-444, 2018. ilus, tab
Article in English | LILACS, BBO | ID: biblio-966305
ABSTRACT

Objective:

Computed microtomography was used to evaluate the capacity of debris removal from simulated lateral canals, in conventional irrigation, passive ultrasonic irrigation (PUI), continuous passive irrigation (CUI), Endoactivator and EasyClean, for both types of motion (continuous and reciprocating). Material and

Methods:

Sixty acrylic incisors with 3 simulated lateral canals per tooth (cervical, middle and apical third) were instrumented with Reciproc 40/06 and then filled with dentin debris. The teeth were scanned and divided into 6 groups (n = 10) according to the irrigation protocol G1 - conventional, G2 - PUI, G3 - CUI, G4 - Endoactivator, G5 - EasyClean continuous rotation and G6 - EasyClean reciprocating. After the irrigation protocols, the samples were scanned again. The initial and final volume images were analyzed and the percentage of debris removal were found for each group in all levels.

Results:

There were significant differences between the initial and final volume of debris after the protocols, with the exception of conventional irrigation group in the apical and cervical thirds, EasyClean reciprocating in the middle and cervical thirds, and CUI in the middle third. In the analysis between the groups in the apical third, Endoactivator and PUI removed more debris than CUI (p < 0.05); in the middle and cervical thirds, PUI was more efficient than conventional irrigation, EasyClean reciprocating and CUI (p < 0.05).

Conclusion:

No method completely removed the debris. PUI was the method that showed greater effectiveness in cleaning the lateral canals. (AU)
RESUMO

Objetivo:

O objetivo desse estudo foi avaliar a capacidade de remoção de debris de canais laterais simulados através da microtografia computadorizada (microCT), na irrigação convencional, ultrassônica passiva (IUP), ultrassônica contínua (IUC), Endoactivator e EasyClean, para os dois tipos de movimento (contínuo ou alternado). Material e

Métodos:

Sessenta incisivos de acrílico com três canais late-rais simulados por dente (terço cervical, médio e apical) foram instrumentados com Reciproc 40/06 e preenchidos com debris de dentina bovina. Os dentes fo-ram escaneados e divididos em 6 grupos (n = 10) G1 - convencional, G2 - IUP, G3 - IUC, G4 - Endoactivator, G5 - EasyClean rotação continua e G6 - EasyClean reciprocante. Depois do protocolo de irrigação, as amostras foram novamente escaneadas. O volume inicial e final das imagens foram analisados e o percentual de debris removidos foram encontrados para cada grupo nos três terços.

Resultados:

Todos os grupos obtiveram diferenças significantes após o proto-colo de irrigação, com exceção do grupo da irrigação convencional nos terços apical e cervical, EasyClean reciprocante (médio e cervical) e IUC no terço médio. Na análise intragrupo para o terço apical, EndoActivator e IUP removeram mais debris que IUC (p<0,05); no médio e cervical, IUP foi mais eficiente que a irrigação convencional, EasyClean reciprocante e IUC (p<0,05).

Conclusão:

Nenhum método foi capaz de remover completamente os debris. A irrigação ultrassônica passiva foi a que demonstrou melhor efetividade na limpeza dos canais laterais. (AU)
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Root Canal Therapy / Ultrasonic Therapy / Dentin / X-Ray Microtomography Language: English Journal: Braz. dent. sci Journal subject: Dentistry / Sa£de Bucal Year: 2018 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR

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Full text: Available Index: LILACS (Americas) Main subject: Root Canal Therapy / Ultrasonic Therapy / Dentin / X-Ray Microtomography Language: English Journal: Braz. dent. sci Journal subject: Dentistry / Sa£de Bucal Year: 2018 Type: Article Affiliation country: Brazil Institution/Affiliation country: University of São Paulo/BR