Castable glass ceramics based on SiO 2-Al 2O 3-K 2O-Na 2O system were prepared. The structure and physical properties of this material were tested and analyzed by x-ray, SEM and other methods. It was show that the maj...Castable glass ceramics based on SiO 2-Al 2O 3-K 2O-Na 2O system were prepared. The structure and physical properties of this material were tested and analyzed by x-ray, SEM and other methods. It was show that the major crystalline phase is leucite(KalSi 2O 6) and compressive and flexible strength is 420 MPa and 102 MPa respectively. Its character is almost similar to natural dental enamel. This material is an ideal dental repair material. The biological tests show that this material has a good biocompatibility and prospectives for developing.展开更多
文摘Castable glass ceramics based on SiO 2-Al 2O 3-K 2O-Na 2O system were prepared. The structure and physical properties of this material were tested and analyzed by x-ray, SEM and other methods. It was show that the major crystalline phase is leucite(KalSi 2O 6) and compressive and flexible strength is 420 MPa and 102 MPa respectively. Its character is almost similar to natural dental enamel. This material is an ideal dental repair material. The biological tests show that this material has a good biocompatibility and prospectives for developing.