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New Review Suggests: Physical Properties of Some Dental Materials May Be Altered by Bleaching


August 7, 2011
by ken

From Dental Health-ub – Sunday, August 7, 2011


Whitening of the teeth by bleaching is quite popular and is offered by dentists and in some cases non-dentists and pursued by many patients. The two most popular bleaching products are hydrogen peroxide (HP) and carbamide peroxide (CP) in various concentrations. The effect of bleaching on various dental materials has been fairly extensively studied with the results suggesting that bleaching can change the physical properties of dental restorative materials including the surface hardness and roughness as well as leakage.

In a five page article published in the Journal of the Canadian Dental Association, authors J El-Murr, D Ruel, and A St-Georges of the University of Montreal School of Dentistry, Quebec, Canada, provide a comprehensive review of the many alterations in dental restorative materials that can be associated with bleaching and ‘put these changes in restorative materials into clinical perspective and provide practitioners with the evidence to properly answer patient’s questions’ (J Can Dent Assoc, 2011;71:b59).

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2 Comments » for New Review Suggests: Physical Properties of Some Dental Materials May Be Altered by Bleaching
  1. This is interesting, I”ve been using carbamide peroxide whitening gels but didn”t know about this.

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