Root canal treatment and finished tooth, lost in the pulp cavity nutrition supplies such as nerves, blood vessels, lymphatic, makes itself become more brittle fractureofteeth.
且做完根管治疗的牙齿,失去了牙髓腔中神经、血管、淋巴等营养供应,使得牙齿本身变得较脆易断裂。
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
The brittleness and cold temperatures of ice cubes can actually cause teeth to fracture.