Journal of Conservative Dentistry
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Year : 2004  |  Volume : 7  |  Issue : 4  |  Page : 175-181

Short Term Fluoride Release From Some Fluoride Containing Aesthetic Dental Materials In Different Media (In Vitro)



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N Goyal


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Source of Support: None, Conflict of Interest: None


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The short term fluoride release of a conventional GIC (Fuji II), resin modified GIC (Fuji II LC), polyacid modified resin (Compoglass) and composite (Tetric Cream) were evaluated and compared over a period of 28 days in three different media i.e. double distilled water (pH=7), artificial saliva (pH=7), Lactic acid (pH=4). Five discs of each material were prepared and suspended individually in 7ml of each studied solution at 37oC. Measurements for fluoride release were taken at intervals of 1, 2, 3, 4, 7, 14, 21 and 28 days and solution was changed before each measurement. Data was analysed using ANOVA and post HOC test. The fluoride release was highest in lactic acid followed by water and least in artificial saliva. The pattern of fluoride release was similar for all the materials with greatest release occurring during first 24 hours. Fuji II released greatest amount of fluoride followed by Fuji II LC and Compoglass and least by Tetric Cream. The data suggest that the comparison of fluoride released from dental materials is dependent on both the materials and the medium used in the evaluation.


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