The brittleness and cold temperatures of ice cubes can actually cause teeth to fracture.
冰块的脆性和低温竟然能致牙齿断裂。
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。
Objective To compare the fracture resistance and fracture modes of teeth restored with four diferent post-and-core systems.
比较纤维桩核系统和金属铸造桩核系统修复后牙体组织的抗折裂强度和折裂模式。
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