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- It must be early performed with the root canal therapy that the cases of further developing apicitis, the absorption of root apiex is over 1/3, the pulp necrosis and periapical disease. 对于进一步发展为根尖炎的病例及根尖吸收超过1/3、牙髓坏死和根尖周有病变者，应及早行根管治疗术。
- Conclusion It is feasible to count the thickness of the wall and the root canal area at middle root level and 1/3 level of root apiex in the basis of the values of the dental cervix. 牙颈部根管横截面分为：圆形、椭圆形、半月形和不规则形，根中部及根尖1/3部根管横截面分为：圆形和椭圆形。结论利用牙颈部根管壁厚度和面积推测根中部及根尖1/3部相应部位的根管壁厚度和面积是可行的。
- The functional recovery of affected teeth by inducing root apiex formation using ultra- short wave 超短波介入根尖诱导成形术恢复患牙功能
- Effect of drug paste in empty canal on pulp necrosis caused by maldevelopment of root apiex: report of 54 cases 空管药物糊剂治疗根尖未发育完成死髓牙54例报告
- It is vain to attempt to root out heresy by force. 试图用暴力消除异端邪说是徒劳的。
- The gardener tore up the plant, root and all. 园丁把园中的花草树木连根全挖了出来。
- The plant has not struck root yet. 那棵植物还没生根。
- Unhappiness is the root cause of his illness. 不开心是他生病的根源。
- Idleness is the root of all evil. 懒惰乃万恶之源。
- I managed to root out a copy of the document. 我好不容易才找到了文件的副本。
- He caught his foot on a tree root and stumbled. 他一只脚被树根绊住而跌倒了。
- Do you think it is possible to root out crime? 你认为可以根除犯罪吗?
- Money is thought to be the root cause of all evils. 金钱被认为是万恶之源。
- This is the root cause of poverty. 这是贫穷的根本原因。
- That is the root cause of all our differences. 那是我们一切分歧的根源。
- root apiex 根尖
- Do you think the new rosebush has taken root? 你看新栽的玫瑰长根了吗？
- I'll see if I can root up some old clothes to give to the poor man. 我看看能否找出些旧衣服给那可怜的人。
- After a few months I felt I had really taken root here. 几个月之后，我感到确实在这里扎根了。
- The root of the big tree trends to edge away the corner stone. 这棵大树的根可能会把墙角石顶走。
