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Carbamide peroxide gel stability under different temperature conditions: is manipulated formulation an option? BJPS
Bonesi,Camila de Martini; Ulian,Letícia Storchi; Balem,Paula; Angeli,Valeria Weiss.
Nowadays the use of gel containing carbamide peroxide (CP) prepared in Pharmacy is a normal practice in the population. However, the quality of this product is questionable concerning its stability. The aim of this study is was to synthesize and to analyze this drug alone or associated to Carbopol gel through analytical methodology compatible with the routine of the Pharmacies. The reaction between urea and hydrogen peroxide was carried out at different resting times: 24 hours (CP 24 powder) and 48 hours (CP48 powder) after the mixture. Both products were associated with Carbopol 940® gel 1.5% (G) generating G24 and G48 samples. The stability of powders (CP24 e CP48) and the formulations (G24 and G48) were evaluated as a function of time (15, 40 and 45...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Carbamide peroxide/quantitative analysis; Carbamide peroxide/stability; Dental bleaching; Carbopol 940® gel 1.5%.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502011000400008
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