牙根长度的变化无统计学意义。
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.
目的用口腔数字成像系统(ODIS)检验根管长度测量仪在测定前牙根管工作长度时的准确性及实用性。
Objective to test the accuracy of electronic apex locator in determining working length of anterior teeth using ODIS system.
结论根管长度测量仪测定前牙根管长度比较满意，OD IS可对工作长度测定作有效的补充。
Conclusion the electronic apex locator could be successfully used in determining working length of anterior teeth, and the ODIS...
结论根管长度测量仪测定前牙根管长度比较满意，OD IS可对工作长度测定作有效的补充。
Conclusion the electronic apex locator could be successfully used in determining working length of anterior teeth, and the ODIS...
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