Journal of Conservative Dentistry
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ORIGINAL ARTICLE
Year : 2010  |  Volume : 13  |  Issue : 2  |  Page : 76-79

Efficacy of casein phosphopeptide-amorphous calcium phosphate to prevent stain absorption on freshly bleached enamel: An in vitro study


1 Department of Prosthodontics, Faculty of Dental Sciences, C.S.M. Medical University, Lucknow, Uttar Pradesh, India
2 Department of Prosthodontics, Padm. Dr. D.Y. Patil Dental College and Hospital, Nerul, Navi Mumbai, Maharashtra, India
3 Department of Conservative Dentistry, Faculty of Dental Sciences, C.S.M. Medical University, Lucknow, Uttar Pradesh, India

Correspondence Address:
Raghuwar D Singh
Type IV, Flat No. 9, Butler Palace Colony, Lucknow - 226 001, Uttar Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0972-0707.66715

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Background: Teeth when subjected to bleaching bring about the desiccation of the enamel, making it more susceptible to stain absorption. While subjecting the freshly bleached enamel surface to various surface treatments of Fluoride and Casein Phosphopeptide - Amorphous Calcium phosphate (CPP-ACP) brought about the reduction in stain absorption, which is assessed in this study. Aims: The study aims to evaluate the tea stain absorption on freshly bleached enamel surface of extracted human teeth with varied surface treatment. The stain absorption was evaluated at the end of one hour and 24 hours post bleaching. Materials and Methods: Forty extracted human permanent maxillary central incisors were subjected to bleaching with 10% carbamide peroxide for eight days. They were divided into four groups of 10 each. Group I was control group. Group II was immersed in tea solution without surface treatment, while Group III and IV were immersed in tea solution with surface treatment of topical Fluoride and CPP-ACP respectively. Spectrophotometer was used for color analysis. Results: Surface treatment with CPP-ACP and topical fluoride on freshly beached enamel surface, significantly reduced the stain absorption. Conclusion: Remineralizing agents reduce stain absorption after tooth bleaching.


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