Role of fluoridated carbamide peroxide whitening gel in the remineralization of demineralized enamel: An in vitro study.

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Bollineni S, Janga RK, Venugopal L, Reddy IR, Babu PR, Kumar SS

Role of fluoridated carbamide peroxide whitening gel in the remineralization of demineralized enamel: An in vitro study.

J Int Soc Prev Community Dent. 2014 May;4(2):117-21. doi: 10.4103/2231-0762.137638.

PubMed ID
25254197 [ View in PubMed
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Abstract

INTRODUCTION: The use of self-administered carbamide peroxide bleaching gels has become increasingly popular for whitening of discolored vital teeth. Studies have reported that its use may induce increased levels of sensitivity and surface roughness of the tooth due to demineralization. This study evaluates the effect of fluoride addition to the bleaching agent - its remineralizing capacity and alterations in the whitening properties. MATERIALS AND METHODS: Twenty-four extracted lower third molar teeth, with the pretreatment shade determined, were taken up in the study. Each tooth was sectioned into four and labeled as groups A, B, C, and D. The tooth quadrants in group A-C were demineralized; groups A and B were treated with 10% carbamide peroxide gel (group-A without fluoride and group-B with 0.463% fluoride addition) (no further treatment was carried out for group c) group-D remained as the control. The post-treatment shade was determined. The tooth samples were sectioned (approximately 200 mum) for evaluation under a light microscope. The depth of demineralization was analyzed at five different equidistant points. Statistical analysis was carried out with t-tests, accepting

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