May drill and fill cavities, extract teeth and replace portions of tooth crown.
可钻，填补蛀牙，提取牙齿，并更换部分牙冠。
The tsar Peter I the Great was interested in medicine, and liked to personally extract teeth.
沙皇彼得大帝对医学很感兴趣，对拔牙技艺情有独钟。
According to condition and position of the teeth location was classified and three kinds incision were designed to extract the teeth.
根据多生牙埋伏的不同情况和位置，进行定位分类并合理设计三种手术切口予以拔除和分析研究。
Results: There were significant differences on teeth color change between pre-extract and preserving in each solution.
结果：拔牙前与浸泡后，各组牙色变化均具有显著性差异，并随浸泡时间延长颜色差异增大。
People with this gene mutation, Dr. Karsenty said, had jawbones so dense it was difficult to extract their teeth.
Karsenty博士说：有这种基因变异的人颚骨密度非常高，以至于难以拔牙。
People with this gene mutation, Dr. Karsenty said, had jawbones so dense it was difficult to extract their teeth.
Karsenty博士说：有这种基因变异的人颚骨密度非常高，以至于难以拔牙。
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