Abstract
The aim of this study was to analyze the effect of nano calcium carbonate and Siwak toothpaste on demineralized enamel surface roughness. Human tooth specimens immersed in 0.3% citric acid at pH 3.25 were brushed with nano calcium carbonate and Siwak toothpaste for 2, 4, and 6 weeks. Enamel surface roughness was tested using a Surface Roughness Tester with supporting scanning electron microscopy and energy dispersive spectroscopy assessments. It was found the application of nano calcium carbonate and Siwak toothpaste for 2, 4, and 6 weeks decreased the surface roughness of the demineralized enamel (p < 0.05). Brushing teeth with nano calcium carbonate and Siwak toothpaste should decrease the surface roughness of demineralized enamel.
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