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。
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 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 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。
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。
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。
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。
Root canal therapy for 198 teeth (172cases) with chronic periapical abscess was performed.
对172例198颗慢性根尖周脓肿患牙进行根管治疗。
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。
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。
Now technology of root canal therapy with each passing day, relative also greatly improve the teeth to save chances.
现在的根管治疗技术日新月异，相对的也大大的提高牙齿保存的机率。
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。
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。
For the front teeth, if of tooth mass enough to keep, can consider not doing false teeth after root canal therapy done, simple filling.
对于前牙而言，若保留的齿质够多，做完根管治疗后可以考虑不做假牙，简单的填补即可。
If teeth tooth decay before boring to the dental pulp cavity, because root canal treatment technology was not developed teeth almost to escape the pull of fate.
以前如果牙齿蛀牙蛀到牙髓腔，由于当时根管治疗的技术并不发达，牙齿几乎难逃拔掉的命运。
Objective To investigate root canal curvature in maxillary anterior teeth.
目的了解上颌前牙根管弯曲情况。
Done root canal treated teeth, dentists will advise the Crown usually set up and finished the treatment of teeth, tooth mass amount of reservation, also affect whether column needs to be done.
做完根管治疗的牙齿，牙医师通常会建议做牙冠套起来，而做完治疗的牙齿，齿质保留的多寡，也影响是否需做柱心。
Methods: 73 cat teeth were studied in practical anatomy, Capping pulp. root canal treatment, apicectomy and retrograde filling.
方法：对猫牙进行应用解剖、盖髓、根管充填术及根尖手术等实验研究。
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。
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。
Methods: the limulus lysate test of chromogenic substrate method was applied to detect the change of endotoxin content in 33 teeth with periodontitis before and after root canal treatment.
方法：采用产色基质法鲎试验对33例根尖周炎治疗前后根管内的内毒素含量变化进行了检测。
Methods 116 teeth from 98 elderly and 100 teeth from 80 young patients were reexamined, which had received root canal therapy 2 to 10 years ago.
方法对98例患慢性根尖周炎的老年人在接受根管治疗或空管药物疗法2～10年后的116颗牙进行复查；以周期治疗的80例中青年人的100颗同类牙作对照复查。
Root canal treatment and finished tooth, lost in the pulp cavity nutrition supplies such as nerves, blood vessels, lymphatic, makes itself become more brittle fracture of teeth.
且做完根管治疗的牙齿，失去了牙髓腔中神经、血管、淋巴等营养供应，使得牙齿本身变得较脆易断裂。
Methods: Thirty-three patients with cracked teeth were cured through root canal treatment and complete coronal restoration.
方法：对33例隐裂牙采用根管治疗加全冠修复治疗。
For teeth that cannot be treated with orthograde root canal therapy, or for which it has failed, retrograde root filling, which seals the root canal from the root apex, is a good alternative.
对于不能用矫正根管治疗或用次治疗失败的牙齿，根尖倒充填(其将根管从根尖密封)是个良好的替代方案。
Conclusion: the results suggested that the coral paste is a good material for root canal filling of primary teeth.
结论：珊瑚糊剂是一种较理想的乳牙根管充填材料。
The effect of root irrigation on removing canal debris and the variance of apical foramen pressure on extracted teeth were compared between the conventional irrigation and CANS irrigation.
并比较了该方法与常规方法对离体牙进行根管清洗时，根管内碎屑清洗的效果和根尖孔的压力变化。
Objective: To investigate the effect of single-visit root canal treatment (RCT) on teeth with chronic apical periodontitis using contemporary technique of canal cleaning, shaping and obturation.
目的：评价慢性根尖周炎一次性根管治疗的临床效果和可靠性。
Methods: the total of 232 root canal in 159 teeth of 135 patients who need root canal retreatment of the permanent molar were treated by using dental operative microscope and ultrasonic technique.
方法：对135例需要恒磨牙根管再治疗患者的159颗恒磨牙(232个根管)用显微超声技术进行再治疗，按牙位及治疗原因分类，比较成功率。
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