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- The center of rotation was an area located at the alvelar bone under the trifurcation near the mesiobuccal root and palatal root. 3.;牙体瞬间转动中心是一个范围,位于根分叉处偏近中颊根及舌侧根区域的牙槽骨中。
- Under dental operating microscope (DOM), the location and the distances from their apices of the apical foramen in the mesiobuccal root canal were determined. 研究国人离体上颌第一、二磨牙近中颊根的根尖孔位置,并讨论其临床意义,为临床治疗该根管提供解剖依据。
- Identifying and treating the second mesiobuccal root canal in maxillary second molars is improved by modified access preparation and probing the fissure or groove between the mesiobuccal and palatal canal orifices. 改良髓腔入口和探查近中颊根根管口与腭根根管口之间发育沟或暗线的方法,有利于发现和治疗上颌第二磨牙近中颊根第二根管。
- Methods:Macrography was used to observe the morphology of the mesiobuccal root,the degree of abrasion,the morphology of the floor of pulp cavity, the number and type of apical foramen. 方法:肉眼观察近颊根外形,牙合面磨耗程度,髓室底形态,根尖孔数目及类型;游标卡尺测量各项长度指标及根尖孔到牙根顶点的距离;
- second mesiobuccal root canal orifice 近颊第二根管
- Results:The frequencies of lateral canals were 39.4% and 36.7% in the mesiobuccal root (MBR) of maxillary molar's and in the mesial root(MR)of mandibular molar's separate roots,respectively. 结果:(1)分离根的上颌磨牙近中颊根侧支根管的平均出现率为39.;4%25;下颌磨牙近中根侧支根管平均出现率36
- Results:The frequencies of lateral canals were 39.4% and 36.7% in the mesiobuccal root (MBR) of maxillary molar s and in the mesial root(MR)of mandibular molar s separate roots,respectively. 4%25,下颌磨牙近中根侧支根管平均出现率36。7%25,磨牙的近中颊根及近中根均出现较多的侧支根管及管间侧支。(2)约2/3的根尖孔位置不在根尖。
- Keywords The first maxillary molar Mesiobuccal root; 关键词上颌第一恒磨牙;近中颊根;
- Keywords maxillary first molar;mesiobuccal root;canal configuration; 上颌第一磨牙;近中颊根;根管形态;
- The extra corporeal study of curvature frequency in the mesiobuccal root canal of maxillary molars 上颌恒磨牙近中颊根根管弯曲情况的离体研究
- 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。
- Keywords surgical operatin microscope(SOM);permanent m axillary first molar;mesiobuccal root;mesiolingual canal; 手术显微镜;上颌第一恒磨牙;近中颊根;近中舌根管;
- 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。
- A vitro study on the location of the second mesiobuccal canal in the mesiobuccal root of the first and second maxillary molars with dental operating microscope 根管显微镜在定位上颌磨牙近颊根第二根管中的作用
- 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?