Prof Dr. Henrique Braitt - Endodontia

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25 de jul. de 2013

Revista RSBO - Artigo produzido no Curso de Especialização em Endodontia da FUNORTE/Ilhéus

Posted on 20:58 by henrique braitt



ISSN:

Electronic version: 1984-5685

RSBO. 2013 Apr-Jun;10(2):143-8

Evaluation of active chlorine releasing of sodium hypochlorite during seven days, stored at different temperatures


Gladyvam Rabêlo Braitt


1


Evaldo de Almeida Rodrigues


1


Carlos Eduardo da Silveira Bueno


2


Antonio Henrique Braitt


1


Corresponding author:


Gladyvam Rabêlo Braitt

Av. Aziz Maron, n. 1.117, sala 703 – Jardim União

CEP 45605-415 – Itabuna – BA – Brasil

E-mail: gladybraitt@hotmail.com


1



Program of Specialization in Endodontics of the Institute of Health Sciences, Funorte/Soebras, Núcleo Ilhéus – Ilhéus – BA – Brazil.


2



São Leopoldo Mandic Center of Post-Graduation – Campinas – SP – Brazil.


Received for publication: November 5, 2012. Accepted for publication: December 14, 2012.

Abstract

Introduction:



The sanitation of the canal system through irrigation/aspiration, at the changing of the endodontic instruments aims to the excised material, removal of microorganisms and the cleaning of the walls of the canals. One of the substances used in endodontic treatment of root canals, sodium hypochlorite, used at different concentrations of active chlorine and pH, has gained popularity due to its physical chemical properties. Objective: To analyze the active chlorine content of sodium hypochlorite solution at 6.0%. Material and methods: 80 samples were obtained from two litres of sodium hypochlorite at 6%, obtained at every hour: one liter was stored at room temperature and one liter at refrigerated environment, between the morning and afternoon shifts, except on Saturday and Sunday. The free residual chlorine was determined, using as variables: the temperature, length of time in storage and the handling of the substance in the Endodontic clinic for seven days. The data obtained were submitted to analysis of variance according to the linear regression model to test the effect of time of storage condition and interaction between the main effects on the chlorine content of the

Keywords:

Endodontics; sodium hypochlorite; irrigating substances.

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