الفهرس 
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Abstract
The aim of this study was to evaluate the influence of the finishing and polishing, on surface roughness and bacterial adhesion on three different machinable ceramics Conclusions: Both the surface treatment of the material and the type of ceramic affect the bacterial adhesion . Glazing of ceramics provided smoother surfaces than polished surfaces irrespective to the tested ceramic materials.And as a result the glazing accumulate less bacteria than polishing. Ceramill Zolid provided better results in terms of surface roughness and bacterial adhesion in comparison to IPS e.max CAD and Vita Enamic