Pahuja et al conducted a study which showed that silicone based soft denture liners had shown few changes in surface roughness for the first three months but highly significant changes were observed in surface hardness at 6 months, whereas, acrylicbased soft denture liners showed minor changes in surface hardness for 1 month, after which they showed significant increase in surface hardness at all intervals ( 9 ).
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Evaluate the Effect of Commercially Available Denture Cleansers on Surface Hardness and Roughness of Denture Liners at Various Time Intervals.
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