Effect of five different dental products on surface hardness of enamel exposed to chlorinated water in vitro.
作者： Praphasri Rirattanapong , Kadkao Vongsavan
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摘要: The objective of this study was to assess the effect five different dental products on surface microhardness enamel exposed chlorinated water in vitro. Sixty human sound premolar teeth, extracted for orthodontic reasons, were used and randomly divided into 6 groups (10 specimens each group: artificial saliva, 1,000 ppm fluoride toothpaste, CPP-ACP paste, with 900 CPP toothpaste tricalcium phosphate 950 paste. All immersed at pH 5 24 hours then remineralized by coating a product from group minutes kept saliva 37 o C hours. microhard- ness measured Vickers hardness tester baseline, after erosion remineralization. Comparisons mean within made one-way repeated mea- sures ANOVA between using an LSD test p < 0.05. all decreased significantly eroding increased After remineralization, less than other groups. Five (1,000 paste) vitro eroded caused water.
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