Objective: To find out the effect of metal full crown in the restoration of seamen's splitteeth.
目的:了解金属全冠对舰艇人员折裂牙修复的作用。
2
Conclusion: The method of restoring seamen's splitteeth with metal full crown is very effective, and should be chosen first.
结论:金属全冠对舰艇人员折裂牙的修复非常有效,应作为折裂牙修复之首选。
3
The whole cutting layer will be split into pieces of metal fibres as several tiny teeth of the multi-tooth tool are involved in cutting at the same time.