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In vitro evaluation of different chemical agents for the decontamination of gutta-percha cones

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Author(s): Souza Rogério Emílio de | Souza Eduardo Antônio de | Sousa-Neto Manoel Damião | Pietro Rosemeire Cristina Linhari Rodrigues

Journal: Pesquisa Odontológica Brasileira
ISSN 1517-7491

Volume: 17;
Issue: 1;
Start page: 75;
Date: 2003;
Original page

Keywords: Decontamination | Gutta-percha | Microbiology | Endodontics

ABSTRACT
This study evaluated the effectiveness of three disinfectants used in Dentistry for decontamination of gutta-percha cones. Sixty gutta-percha cones were contaminated with standardized pure cultures of five species of microorganisms (Enterococcus faecalis ATCC 29212, Staphylococcus aureus ATCC 25923, Candida albicans ATCC CBS-ICB/USP 562, Bacillus subtilis spores ATCC 6633 and Streptococcus mutans ATCC 25175). The cones were treated with 10% polyvinylpyrrolidone-iodine aqueous solution (PVP-I; Groups 1 and 2), 5.25% aqueous sodium hypochlorite (Groups 3 and 4) and paraformaldehyde tablets (Group 5). All chemical agents were efficient for the cold sterilization of gutta-percha cones in short time periods.
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