结论：牙齿长度电测法是一种比较准确、客观的测量牙齿工作长度的方法。
CONCLUSION: The method of root canal length measured with TRI AUTO ZX root canal apex locator is one kind of accurate and impersonal one.
目的探讨数字化根尖片和普通根尖片在评价牙齿长度和牙根吸收方面的差异。
Objective to investigate the difference between digital periapical film and conventional film in the evaluation of tooth length and root resorption.
目的探讨前磨牙区分角投照根尖片和平行投照根尖片在评价牙齿长度方面的差异。
Objective To investigate the differences of periapical films in bisecting angle technique and in distant paralleling technique on evaluation of tooth length.
啃咬东西是为了使它们的牙齿生长能达到合适的长度。
This is to keep their ever-growing teeth at a convenient length.
然后我要给这颗牙齿弄一弄，使它的长度变得短一些。
Then I'll reshape the tooth to reduce the length of it a little bit.
结论前磨牙区的分角投照根尖片和平行投照根尖片均能精确反映牙齿的实际长度。
Conclusion Both periapical films in bisecting Angle technique and in distant paralleling technique can reflect the real teeth length precisely in premolar area.
结果在前磨牙区，分角投照、平行投照根尖片影像长度和牙齿实际长度之间无显著性差异。
Results The actual teeth lengths shew no significantly different from the teeth length on periapical films of bisecting angle technique and of distant paralleling technique.
另一种休息座位的筹备工作，对边缘嵴冠的犬，保存牙齿结构和提供了充足的休息座位的长度和深度，以确保支持铸造框架。
An alternative rest-seat preparation, on the marginal ridge of the canine crown, conserves tooth structure and provides a rest seat of adequate length and depth to ensure support for a cast framework.
本文报导了牙齿根管长度电测仪的原理研究、设计思想和临床效果。
This paper reports a research upon the principles of the electronic method for measuring the root canal length, the design of the electronic device and its efficiency.
本文报导了牙齿根管长度电测仪的原理研究、设计思想和临床效果。
This paper reports a research upon the principles of the electronic method for measuring the root canal length, the design of the electronic device and its efficiency.
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