Purpose:Dental shade guides are commonly used for color determination and should be disinfected and sterilized. The purpose of this study was to evaluate the color change of Vita 3D Master shade tabs after disinfection and sterilization. Material and methods:Overall, 98 samples (shade tabs) were randomly selected from 14 new, unused Vita 3D sets, including the following shades: 2M1, 3L1.5, 3M1,...

Autoclaved aerated concrete (AAC) prepared by the mixing of ordinary Portland cement, lime powder, sand, aluminium powder and water. This study covers variation physical, mechanical functional properties autoclaved with autoclaving temperature content compared that normal weight cement mortar sample. In this work, two dosage 0.4% 0.8% dry three different 160oC, 180oC 200oC were used. AAC sample...