CONCLUSION: The method of root canal length measured with TRI AUTO ZX root canal apex locator is one kind of accurate and impersonal one.
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.
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。
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