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Type: Artigo de periódico
Title: Disinfection Of Gutta-percha Cones With Chlorhexidine And Sodium Hypochlorite.
Author: Gomes, Brenda Paula Figueiredo de Almeida
Vianna, Morgana Eli
Matsumoto, Carolina Ujissato
Rossi, Vanessa de Paula e Silva
Zaia, Alexandre Augusto
Ferraz, Caio Cezar Randi
Souza Filho, Francisco José de
Abstract: To evaluate the effectiveness of chlorhexidine (CHX) or sodium hypochlorite (NaOCl) in disinfecting gutta-percha cones, to verify contamination of gutta-percha cones in their boxes, and to identify microorganisms after intentional contamination by handling cones. Gutta-percha cones contaminated in vitro with several microorganisms were left in contact with tested disinfecting solutions for different times, sterility of storage boxes was evaluated by immersing cones in broth medium, and the microorganisms most frequently found in handling cones were identified using biochemical tests. CHX was not effective in eliminating Bacillus subtilis spores on gutta-percha cones after 72 h of contact with the disinfecting substance. 5.25% NaOCl eliminated spores from gutta-percha after 1 min of disinfection. The cones evaluated from their boxes did not show contamination in 94.5% of the cases. The microbial genus most frequently found after intentional contamination with gloves was Staphylococcus. 5.25% NaOCl is an effective agent for a rapid disinfection of gutta-percha cones.
Subject: Anti-infective Agents, Local
Bacillus Subtilis
Candida Albicans
Dental Disinfectants
Enterococcus Faecalis
Gloves, Surgical
Root Canal Filling Materials
Sodium Hypochlorite
Spores, Bacterial
Staphylococcus Aureus
Streptococcus Sanguis
Citation: Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology, And Endodontics. v. 100, n. 4, p. 512-7, 2005-Oct.
Rights: fechado
Identifier DOI: 10.1016/j.tripleo.2004.10.002
Date Issue: 2005
Appears in Collections:Unicamp - Artigos e Outros Documentos

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