方法：回顾分析113例面中部骨折的临床资料，治疗了鼻骨、颧弓、视神经损伤及颧上颌骨骨折。
Methods:113 cases of midface fractures were reviewed. The nasal bone fracture, zygomatic arch fracture, optic nerve contusion, zygomatic maxilla fracture were treated.
目的探讨上颌唇向扩弓活动矫治器对上前牙拥挤的治疗效果。
Objective To discuss the curative effect of upper jaw lip-side expansion for anterior teeth.
结果：发现7～8岁组患儿上磨牙远移的距离大于10～11岁组的患儿，7～ 8岁组患儿上颌骨向前生长所受抑制较10～ 11岁组明显，7～ 8岁组患儿替牙期选用口外弓的治疗效果较10～ 11岁组为好。
Results: The more distance of maxillary molar and more obvious inhibition of maxilla bone growth forward in group of 7~8 year old children were detected than those in group of 10~11 year old children.
对上颌骨骨折病例共25例，经颧弓下悬吊牵引复位固定上颌骨。
Methods: 25 maxillary fracture cases, with internal wiring fixation, wire was passed behind malar bone.
目的：探讨片段弓技术联合部种植支抗压低上颌磨牙，为下颌牙缺失的种植修复提供足够的合间距离。
Objective: To evaluate the effect of segmental arch technique and implant reinforcing anchorage on depressing the elongated opposed teeth for preparing enough space for mandibular dental implant.
均采用直丝弓矫治器矫治，应用螺旋推簧扩展间隙及上颌前方牵引。
They were all treated with straight wire appliance and helical spring to expand clearance.
方法对21例患者进行上颌唇向扩弓活动矫治器治疗。
Methods 21 cases of such patient were received the lip-side expansion.
近40年来，学者们对快速上颌扩弓进行了大量的临床和基础研究。
During recent 40 years, many clinical and basic researches have been done on RME.
结论：龈沟液中AST的活性可以在一定程度上反映上颌快速扩弓牙周组织的改建。
Conclusion: The results suggest that AST activities in GCF reflect the tissues remodeling which occurs in the periodontium to some degree during rapid palatal expansion.
结论：龈沟液中AST的活性可以在一定程度上反映上颌快速扩弓牙周组织的改建。
Conclusion: The results suggest that AST activities in GCF reflect the tissues remodeling which occurs in the periodontium to some degree during rapid palatal expansion.
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