When the resin flow in the mold, the screw speed control and filled with resin after the pressure (pressure protection) control.
当树脂在模具内流动时，则控制螺杆的移动速度并在填充树脂后用压力(保压力)进行控制。
2
Conclusion the fracture strength of premolar teeth filled with light curing composite resin was higher than filled with amalgam after root canal therapy.
结论根管治疗后用光固化树脂充填前磨牙的各类洞，牙体的抗折强度优于用银汞充填者。
3
AIM: To compare the compressive strength, tensile strength and flexural strength of bulkily filled and incrementally filled visible light-cured composite resin.