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Type: Artigo de periódico
Title: Influence of 2% chlorhexidine gel on calcium hydroxide ionic dissociation and its ability of reducing endotoxin
Author: Signoretti, FGC
Gomes, BPFDA
Montagner, F
Tosello, FB
Jacinto, RC
Abstract: Objective. The aim of this study was to evaluate the influence of 2% chlorhexidine gel (CHX) on pH, calcium release, and Ca(OH)(2) capability of reducing endotoxin. Study design. Calcium release was verified by atomic-absorbance spectrophotometry, and pH was measured with a pHmeter. For endotoxin quantification, extracted human teeth previously contaminated with standard endotoxin were filled with: group I, Ca(OH)(2) + saline solution; group II, Ca(OH)(2) + CHX; and group III, CHX for 14 days. The remaining endotoxin was quantified by using chromogenic quantitative test. Statistical analysis was performed with analysis of variance and Tukey post hoc test (P < .05). Results. Group II released more calcium than group I (P < .05) after 15 days. Groups I and II showed alkaline pH in all periods, and group I showed higher pH values than group II (P < .05) after 30 days. Groups II and III showed significantly more decreased endotoxin than group I. Conclusions. CHX did not interfere with the chemical properties of Ca(OH)(2), in fact even improving its properties of reducing the endotoxin content in root canals in vitro. (Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2011;111: 653-658)
Country: EUA
Editor: Mosby-elsevier
Citation: Oral Surgery Oral Medicine Oral Pathology Oral Radiology And Endodontology. Mosby-elsevier, v. 111, n. 5, n. 653, n. 658, 2011.
Rights: fechado
Identifier DOI: 10.1016/j.tripleo.2010.11.016
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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