Abstract
The aim of this study was to analyze the effects of brushing base dentures with various toothpastes. Heat-cured acrylic resin specimens were divided into three groups and were brushed with dentifrices containing silica, silica + calcium carbonate, and silica + calcium carbonate + perlite for 22 min to represent one year of brushing. The surface roughnesses of the base dentures were then determined and compared using paired t-tests and Kruskall–Wallis tests. These analyses showed that more complex abrasive materials result in the greater surface roughness of acrylic dentures.
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