Bleaching effect on surface roughness and micro hardeness of composite

Bleaching effect on surface roughness and micro hardeness of composite

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This book gives a look on the effect of in office bleaching material on surface roughness and micro-hardness of four composite material ,and which of these materials did not altered by bleaching. To evaluate the effect of in office bleaching (SDI pola office +, 37.5% hydrogen peroxide) on the surface roughness and micro-hardness of four newly developed composite materials that are different in their filler type, load and resin matrix. These four materials are: - Filtek Z350XT (noanofilled, nanoclusters), 3M /ESPE, St. Paul, MN, USA. - Filtek Z250XT (nanohybrid), 3M /ESPE, St. Paul, MN, USA. - ...