固定矫治器排齐牙列、关闭牙隙。
In the end, we used fixed appliance to alignment dentition, closure space.
目的探讨固定矫治器在前牙外伤固定中的临床效果。
Objective To research clinical effects of fixed orthopedic appliance in fixation of the anterior teeth after injury.
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。
Objective To observe clinical efficacy of crown lengthening surgery for the treatment of crown-root-fractured teeth, subgingival fractured edge.
目的通过调查固定矫治器治疗中牙冠表面托槽周围的牙菌斑指数评价固定矫治器对龋病的影响。
Objective to evaluate the effect to caries of the fixed appliance by the investigation of plaque index on the crown surface of teeth at the different stages.
结论：采用固定矫治器结合后牙垫高矫治反牙合具有矫治时间短，不依赖患者主动配合的优点。
Conclusion: treatment of anterior crossbite with fixed appliance and blocking up posterior teeth has excellence of short treatment time and do not need patient's cooperation.
方法三棱滑切固定矫治器的结构，以三棱形弓丝和具有三角槽沟的托槽为主体，由它控制矫治牙在各个方向的移动而发挥矫治作用。
Methods the structure of deltoid arch wire fixed appliance is consist of deltoid arch wire and bracket with deltoid colpus. It is used to control the tooth's moving.
方法三棱滑切固定矫治器的结构，以三棱形弓丝和具有三角槽沟的托槽为主体，由它控制矫治牙在各个方向的移动而发挥矫治作用。
Methods the structure of deltoid arch wire fixed appliance is consist of deltoid arch wire and bracket with deltoid colpus. It is used to control the tooth's moving.
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