结果快速扩弓方法能有效地打开腭中缝。
Results The mid-palatal suture could be opened effectively with rapid maxillary expansion.
前方牵引器；快速扩弓；骨性前方反牙合。
Front tractor; Rapid expansion bow; The front teeth osteoarthritis.
目的评价前方牵引器联合快速扩弓矫治恒牙早期骨性前牙反牙合的有效性。
Objective To evaluate the maxillary protraction appliance permanent teeth combined rapid expansion of early bone anterior crossbite effectiveness.
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.
摘要目的研究快速和慢速扩弓对正畸牙齿龈沟液中碱性磷酸酶表达变化的影响。
Abstract: Objective to investigate effects of rapid and slow maxillary expansion protocols on the levels of alkaline phosphatase (ALP).
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.
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.
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