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。
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。
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。
Objective To evaluate the clinical effect of bonding and surgical therapy on fractured crown-root complicated with periodontal abscess.
目的应用黏接再植术及牙周翻瓣植骨术对后牙冠根纵折伴牙周脓肿手术治疗的疗效进行评价。
Objective To observe clinical efficacy of crown lengthening surgery for the treatment of crown-root-fractured teeth, subgingival fractured edge.
目的：观察用改进的固定矫治器进行牙根牙合向牵引治疗前牙冠根折的临床疗效。
The tooth also had all the components of normal teeth, including enamel, crown and root, and connective fibers to fix it to bone.
培育的牙齿还具备正常牙齿的所有组成成分，包括釉质、齿冠和牙根，以及使其固定于骨头的结缔组织纤维。
I guess it's for this reason that I love the Crown Pop-up sink stopper idea; the exposed top end stays clean while the root-ish tail end catches the hair and goop.
我想这也许是我为什么这么喜欢这款下水漏的原因吧。你看，暴露在外的上表面一直很干净而下面的像根一样的尾巴就会把头发截留下来了。
Methods analysis the clinic effect of procelain post core on36patients with residual root or residual crown.
方法分析36例全瓷桩核修复前牙残冠、残根的临床效果。
Objective: to explore the prosthetic design and procedure of residual crown with complete root canal imperforation so as to solve the clinical problem of such cases.
目的：探讨根管完全闭锁钙化残冠、残根的临床修复设计与方法，为修复临床对这类病例提供解决方案。
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 note that the traditional pile of metal casting is still the important methods for root and crown restoration.
目的说明传统的铸造金属桩核仍是修复残根残冠的重要方法。
Objective to analyze the effect of preserving severely damaged teeth such as stubbed tooth root, crown and vertically fractured tooth through compositive therapy.
目的利用综合治疗，对残根、残冠、纵折牙等严重缺损牙进行保存治疗并分析其疗效。
Results: 207 cases were crown fractures, while 23 cases were root fractures.
结果：本组病例各种类型冠折207例，根折23例。
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 treatment the young permanent incisors with exposed pulps in crown by pulpotomy and observe the growth of root canals and apexogenesis following up over 2 years.
目的：对外伤引起的年轻恒前牙冠折露髓行活髓切断术，并于2年以上追踪观察其根管、根尖孔发育情况。
Methods:Two kinds of pile nuclear crown prosthesis were made and the break of pile nuclear and root canal, the fall off of the pile and cervical margin were compared.
方法分别制作两种桩核冠修复体比较其桩核折断、根管折断、桩松动脱落、颈缘等情况。
Conclusion By adopting the root canal therapy together with the technologies of inner bleaching and seal dentinal tubule we can prevent and cure crown surface discoloration effectively.
结论在根管治疗的同时结合内漂白技术和牙本质小管封闭技术能有效地防治牙冠表面变色。
Objective: Statistical analysis of mandibular molar mesiodistal crown width and tooth length and development of root.
目的：统计分析下颌第一、第二、第三磨牙牙冠近远中宽度、牙体长度、分根情况以及相关因素。
Objective: To discuss the prosthetic methods of molars residual root and crown with nonmetallic material.
目的：探讨磨牙残根残冠的非金属修复方法。
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。
Objective To observe the near term curative effect of making post crown with core after resinifying therapy on the distomolar residual root of the aged.
目的观察老年人后牙残根残冠塑化治疗后进行核冠修复的临床疗效。
The results suggest that WOX11 may be an integrator of auxin and cytokinin signaling that feeds into RR2 to regulate cell proliferation during crown root development.
这些结果表明WOX11可能是整合生长素和细胞分裂素信号传导的因子，与RR 2一起在冠状根发育中调节细胞的增殖。
After perfect root canal therapy to the residual root and crown of the front tooth, it is the main repair method to utilize a post and core crown at present.
前牙残根残冠经过完善的根管治疗后，利用桩核冠修复在目前是主要的修复方法。
Conclusion This method could obtain the strength of crown dowel with root cavity without fall and cleft so that to save time and payment and prolong the use of ceramic teeth.
结论用铸造法制作桩冠桩核强度高，与根管壁密合，粘固手不易脱落与原烤瓷牙冠密合，不需要重新制作，节约了时间和费用，延长了烤瓷冠的使用寿命。
Conlusion: the restoration of molars residual root and crown of the aged can be improved by means of split dowel crown.
结论：分体桩核冠能较好地修复老年人磨牙残根残冠。
Ratio of height and diameter, crown and root, of root cutting seedling were strong with more fibrous root, and higher rate of fungus root infection than untreated normal field seedlings.
切根苗的高径比与冠根比均在壮苗的适宜范围内，须根数量多，菌根感染率高，均明显优于未切根的普通大田亩，这将有效地提高造林质量。
Compared with root extraction, the direct restoration, and the crown lengthening by surgical procedure, the forced eruption is a simple, economical and practical method in clinical.
同拔出残根、直接修复和冠延长术相比，正畸(牙合)向牵引是一种简单、经济、实用的方法，值得在临床上推广。
Objective To investigate the clinical effect of one-time root canal therapy and reattachment of permanent incisors with crown fracture.
目的：观察恒切牙外伤冠折后行一次性根管治疗与断冠再接术的临床效果。
Objective To investigate the clinical effect of one-time root canal therapy and reattachment of permanent incisors with crown fracture.
目的：观察恒切牙外伤冠折后行一次性根管治疗与断冠再接术的临床效果。
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