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Effect of Fluoride Dentifrices on the Microhardness of Deciduous Enamel Surfaces Publisher Pubmed



Shabanian M1 ; Jabarifar SE2 ; Salavati S3 ; Khosravi K4 ; Tavakoli N5 ; Akhavan A6
Authors
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Authors Affiliations
  1. 1. Dentist, Department of Restorative Dentistry, University of Western Australia, WA, Nedlands, Australia
  2. 2. Department of Paediatric Dentistry, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Pedodontist, Private Practice, Isfahan, Iran
  4. 4. Department of Operative Dentistry, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran
  5. 5. Pharmaceutics Department, School of Pharmacy, Isfahan University of Medical Sciences, Isfahan, Iran
  6. 6. Torabinejad Research Center, School of Dentistry, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Oral Health and Preventive Dentistry Published:2012


Abstract

Purpose: To evaluate the changes in the enamel surface microhardness following the application of various suspensions of Crest and Pooneh toothpastes with and without fluoride. Materials and Methods: Fifty-six enamel blocks of primary incisors were exposed to a pH-cycling regime consisting of demineralisation and remineralisation solution, then suspensions of the dentifrices Crest 1100, Crest 500, Pooneh 500, Pooneh without fluoride. Changes of the enamel surface microhardness in pre-demineralisation (initial), post-demineralisation (demineralised) and post-remineralisation (final) stages were measured for four groups and were analysed using the Student t test and one-way ANOVA. Results: The percentages of changes in surface microhardness for Crest 1100, Crest 500, Pooneh 500 and Pooneh without fluoride were 45.4, 35.4, 28.6 and 23.7, respectively. Conclusion: Average changes of surface microhardness for Crest 1100 were significantly higher than Crest 500, Pooneh 500 and Pooneh without fluoride.
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