Objective: To evaluate biological safety of new type heat-pressedglass ceramic material.
目的：评估新型热压铸入型玻璃陶瓷材料的生物安全性。
2
Objective the purpose of this study was to form a special phosphate bonded investment which was used to for the heat pressedglass ceramics, and its casting accuracy was tested.
目的以修复体的适合性为指标，检测研制的热压铸入型陶瓷专用包埋料的铸造精度。
3
These larger ions take up more room and are pressed together when the glass cools, producing a layer of compressive stress on the surface of the glass.