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阻生牙拔除术是一种技术性较强的手术。如果能在手术前较准确地预见手术中可能出现的阻力,就有可能设计合理的手术方案,用最简捷的方法,在最短的时间内,以最小的创伤完成手术。尽管多年来,许多学者对于下颌阻生第三磨牙拔除术前的阻力分析方法进行过不少探讨,提出过一些原则,和多种分类,但临床工作中尚有许多问题未能解决,例如,在 X 线牙片上阻力如何测量? X 线牙片具体应分析那些项目?对于前倾埋伏阻生第三磨牙,其远中骨质应去除多少为度?对于此类问题,多年来,我们进行了大量的病案实践,并作了具体的临床探讨,现将我们的体会报告并
Impacted tooth extraction is a more technical operation. If we can predict more accurately the potential resistance before surgery, it is possible to design a reasonable surgical plan and to use the simplest method to complete the operation with minimal trauma in the shortest possible time. Although many scholars have discussed many methods of resistance analysis before mandibular third molar extraction and put forward some principles and many kinds of classification, there are still many problems in clinical work that can not be solved. For example, How to measure the resistance on X-ray teeth? X-ray teeth should specifically analyze those items? For the third molar affected by anterior levitation, how far should the bone be removed? For such problems, we have been doing this for many years A large number of medical records practice, and made a specific clinical discussion, and now we experience the report