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In vitro Analysis of Morphology of Human Enamel Submitted to Excessive Use of External Bleaching Agents International Journal of Morphology
Junqueira,Rafael Binato; Carvalho,Rodrigo Furtado de; Antunes,Alberto Nogueira da Gama; Rodrigues,Sonia Sotto-Maior Fortes Garcia; Oliveira,Roberto Sotto-Maior Fortes de; Salvio,Luciana Andrea.
The aim of this study was to evaluate the effects of external bleaching agents on morphology of human enamel after excessive homemade dental bleaching. 20 intact human third molars were submitted to mesio-distal crosscut and embedded in polystyrene resin. The specimens were submitted to finish and a half of enamel surface of each specimen was covered with cosmetic varnish, meaning control group (G0). The specimens were randomly divided into four groups (n=10): G1 ­ 1 bleaching session by 16% carbamide peroxide; G2 ­ 3 bleaching sessions by 16% carbamide peroxide; G3 ­ 1 bleaching session by 22% carbamide peroxide; G4 ­ 3 bleaching sessions by 22% carbamide peroxide. Each session lasted 8 hours a day, during two weeks, with 45 days of interval between...
Tipo: Journal article Palavras-chave: Dental bleaching; Dental enamel; Peroxides.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000100020
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