Results Lesions of teeth root tips and alveolar bone loss in 69 cases of chronic renal failure with dialysis progressively destroy with long time of dialysis.
结果69例慢性肾衰长期血透的病人随着血透时间的延长，牙槽骨和牙根的损害也越严重。
But finished his teeth root canal therapy usually will gradually change color, front teeth may affect the appearance, if the patient care, can be done on metal ceramic tooth or all-ceramic crowns.
但做完根管治疗的牙齿通常会慢慢变色，在前牙可能会影响美观，若病人在意的话，可做上金属瓷牙或全瓷冠。
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 have a root canal filling in one of my teeth. The tooth is changing color. Can anything be done about it?
我有一颗牙在牙根管里补过。现在这颗牙变了颜色，有什么办法可以解决？
Conclusion: the rate of root resorption of two methods are consistent, there's no relationship between the root resorption of the teeth transportation distance or treatment time.
结论：两种治疗方法的牙根吸收率是一致的；牙根吸收率与牙齿移动距离和受力时间没有关系。
The intensive treatment involved removal of plaque through scaling and root planning techniques, as well as extraction of teeth that could not be saved.
强化治疗包括采用刮治和根面平整技术去除菌斑，以及拔掉那些不能再保留的牙齿。
Conclusion the fracture strength of premolar teeth filled with light curing composite resin was higher than filled with amalgam after root canal therapy.
结论根管治疗后用光固化树脂充填前磨牙的各类洞，牙体的抗折强度优于用银汞充填者。
Objective To investigate the bacterial composition of infected root canal of human deciduous teeth with deep caries.
目的本研究的目的是对患有深龋的乳牙根管内细菌进行分析。
Conclusion root canal therapy is an important method to treat the dislocated teeth, and early root canal therapy can prevent or reduce root absorption of the dislocated teeth.
结论根管治疗是脱位牙治疗的重要手段，早期根管治疗可预防或减少脱位牙牙根的吸收。
Primary root resorption is a physiological event for the primary teeth and plays an important role during normal replacement procedure.
乳牙根吸收是一种生理现象，在乳牙的正常替换过程中具有重要意义。
Objective To investigate root canal curvature in maxillary anterior teeth.
目的了解上颌前牙根管弯曲情况。
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。
CONCLUSION: Traumatic occlusal force, periodontal lesions, teeth with root canal therapy are the major causes that led to vertical root fractures.
结论：咬颌创伤，牙周疾病，牙髓无活力等是导致牙根纵裂的重要原因。
Method Using two different root canal filling materials for deciduous teeth.
方法用两种根管充填材料对乳前牙进行根管治疗。
Objective To discuss the clinical effects and feasibility of repairing old root canal perforation of front teeth using DMG calcium hydroxide.
目的探讨DMG光固化氢氧化钙修补前牙陈旧性根管穿孔的临床效果及可行性。
Methods 38 teeth of old root canal perforation on the lip were repaired with DMG light-curing calcium hydroxide remedial, and were recalled periodically, observed the effect of treatment.
方法对38颗前牙陈旧性根管穿孔经唇侧根面采用D MG光固化氢氧化钙进行修补，定期回访，观察治疗效果。
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。
After ultrasonic scaling, the teeth should be polished using to improve the clearness surfaces, polishing paste is the best tool on root surfaces.
经过超声波洁治及刮治后应该对牙齿表面进行抛光可提高其光洁度，牙根面以抛光膏的抛光效果最好。
Teeth after root canal therapy must go through a period of observation, after determining no symptoms, to subsequent dental treatment.
根管治疗后的牙齿必须经过一段时间的观察，确定无症状后，才能进行后续的牙齿重建治疗。
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 investigate the therapeutic effect of FR paste used for root canal filling of deciduous teeth.
目的探索适合乳牙根管充填的材料。方法用两种根管充填材料对乳前牙进行根管治疗。
Therefore most dentist for teeth after root canal therapy in General most of the suggested patch treatment.
因此多数牙医师对于根管治疗后的牙齿一般多数建议做补缀治疗。
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。
The numbers of the teeth needed for treatment per hundred people were 289.81 for filling, 10.20 for root canal therapy, and 170.20 for desensitization treatment.
楔状缺损需充填和根管治疗的每百人待治疗牙数分别为289.81和10.20； 磨损需脱敏治疗的每百人待治疗牙数为170.20。
Durpose Explore an efficient method to raise the succeeding rate of pulpotomy under the condition of conserving root pulp of deciduous teeth.
目的寻求一种能够有效地保存乳牙生活根髓，提高活髓切断术成功率的方法。
Objective To observe the clinical effects of one off and traditional methods of root canal therapy in primary teeth with fistulous chronic periapical periodontitis.
目的观察一次法和多次法根管治疗在乳牙窦道性根尖周炎治疗中的临床疗效。
Objective To observe the clinical effects of one off and traditional methods of root canal therapy in primary teeth with fistulous chronic periapical periodontitis.
目的观察一次法和多次法根管治疗在乳牙窦道性根尖周炎治疗中的临床疗效。
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