After 12 weeks, the anterior root fiber expression turned down obviously, however the posterior root fiber expression backed up slightly compared with that of the 8 weeks.
至术后12周时，前根纤维表达强度明显减低，而后根纤维却较术后8周时略有回升。
Microsurgical observation proved that dorsal root could be divided into 10-18 small tracts and anterior root 6-11 tracts; the diameter of small tracts was similar and the number was constant.
应用显微外科技术，后根一般可分为10 ~18小束，前根一般分为6 ~11小束，其小束的直径是基本一样，数值较为恒定。
Objective to investigate the effects of surgical crown lengthening on conservative restoration in anterior residual root.
目的探讨牙冠延长术对前牙残根的保存修复效果的影响。
Objective: To evaluate the clinical of using prefabricated cylindrical root canal pin to lengthen the clinical crown and restoring anterior tooth and premolar defect with PFM.
目的：评价应用预成圆柱形根管钉对前牙牙体缺损患者冠再接后烤瓷修复体的临床效果。
Objective To investigate root canal curvature in maxillary anterior teeth.
目的了解上颌前牙根管弯曲情况。
Objective: to observe the effect of cast post_core porcelain fused to metal crown on the restoration of residual root and crown of anterior.
目的：观察铸造桩核烤瓷冠在前牙残根残冠修复中的应用效果。
METHODS: 25 extracted human maxillary anterior teeth, with a single straight root were randomly divided into 5 groups. They were instrumented with K-files and conventional preparation technique.
方法：25颗离体直根管前牙，随机分为5组，不锈钢K锉常规法预备根管，应用5种冲洗剂组合进行冲洗。
Objective To observe the clinical efficacy of endodontic-orthodontic combined treatment for anterior teeth with crown-root fracture.
目的观察牙体牙髓-正畸方法联合处理恒上前牙冠根折的临床疗效。
Conclusion: Tooth extrusion method with new method is an effective method for anterior teeth with crown-root fracture.
结论：使用改进的固定矫正器进行牙根牙合向牵引治疗前牙冠根折的方法有效可行。
Nutrient arteries of the abducent nerve root mainly came from anterolateral pontine perforating artery, anterior inferior cerebellar artery and inferior lateral pontine artery.
展神经的滋养动脉主要来自脑桥前外侧穿动脉、小脑下前动脉和脑桥下外侧动脉。
ObjectiveTo probe casting veneer peg prosthesis for anterior remnant root.
目的探讨前牙根折至龈下铸造冠桩修复的体会。
PURPOSE:To evaluate the effect of 5 kinds of irrigant combinations on cleaning of anterior straight root canal walls.
目的：比较5种冲洗剂组合对前牙直根管的清洁效果。
Conclusion: This method which can survive the root-fractured young permanent anterior teeth is practical and effective for dental clinic.
结论：根管内加齿槽骨钛桩内固定即刻修复年轻恒前牙根折，方法简单可行，临床应用效果好。
Objective To practise clinical application of the new technique of anterior wall fenestration of maxillary sinus in removing fractured dental root under direct vision with fiberoptic light.
目的掌握上颌窦前壁开窗借助光导纤维灯直视下取牙断根的临床应用。
There were openings of the lingual glands on the anterior part and root of the tongue.
有开口的舌腺的前部和根系的舌头。
The anterior portion of the supramastoid crest and zygoma root correlated with the level of the middle fossa.
颧弓、乳突上嵴与其相对应的颅中窝底相平。
Objective:To observe the clinical effect of tooth extrusion with progressive methods for anterior teeth with crown-root fracture.
目的观察牙冠延长术治疗断缘位于龈下的冠根联合折断牙的临床效果。
The concentration of serum CGRP in spinal anterior motor-neuron and dorsal root ganglion was measured and X ray photograph taken at 1,2 and 4 weeks after injury.
于伤后1周、2周及4周对骨折处拍摄x线片，放射免疫法测定脊髓前角运动神经元及背根神经节中CGRP含量；
The left anterior descending coronary artery extends down from the aortic root to the apex.
左冠状动脉 异常起端于肺动脉为一罕见的疾病。
The left anterior descending coronary artery extends down from the aortic root to the apex.
左冠状动脉 异常起端于肺动脉为一罕见的疾病。
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