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Investigation of mechanical and wear properties of five (5) different CAD/CAM restorative materials
(TUBITAK, 2020) Ghahramanzadeh Asl, Hojjat; Sağsöz, Ömer; Kara, Levent
In this study it was investigated mechanical and wear properties of CAD/CAM restorative materials including feldspathic ceramic, leucite-reinforced glass ceramic, lithium disilicate glass ceramic, and resin-matrix ceramics. The hardness values of materials were measured with micro hardness tester. Wear properties were evaluated with pin on disk tribometer. Wear volume were measured with optical profilometer. Worn surfaces were examined with Scanning Electron Microscopy. The lowest friction coefficient was obtained from Lava Ultimate. It was observed that the highest wear rate was obtained from the LAVA sample was showing the lowest micro-hardness. The lowest wear rate was obtained from e-max sample which was showing the highest micro-hardness. The glass ceramic materials showed better wear resistance than resin-matrix ceramic materials.