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Published on: December 20, 2024
Study on machinable glass-ceramic containing fluorophlogopite for dental CAD/CAM system
Hong Li1, De-Qiang You, Chang-Ren Zhou
1Department of Materials Science and Engineering, Jinan University, Guangzhou, 510632, China. tlihong@jnu.edu.cn
Abstract:
The glass-ceramic mainly containing fluorophlogopite is one of widely used dental ceramics. In the K2O-CaO-MgO-Al2O3-SiO2-F system, a new-type glass-ceramic containing fluorophlogopite Ca-mica has been synthesized. Its crystalline was studied by XRD and EDS. The fluorophlogopite whose formula postulated K(1 - X )Ca( X/2)Mg(3)AlSi(3)O(10)F(2) was its main crystalline. The microstructure of the glass-ceramic displayed typical machinable microstructure with lath like crystals isolated and interlocking with different aspect ratio. The material also showed better bending strength (228.11 +/- 7.55 MPa). It took less than 12 minutes to fabricate a whole crown by dental CAD/CAM system with the glass-ceramic.
