Objective To study the treatment methods and effects of the skeletal crossbite.
目的研究骨性反牙合的矫治方法与效果。
OBJECTIVES To investigate the effect of dental nursing on the treatment of deciduous crossbite with removable appliance.
目的探讨合垫舌簧矫治器在矫治乳牙反过程中的口腔护理及其效果。
Result:After the correction of unilateral crossbite by maxillary expansion, craniofacial asymmetry improved significantly.
结果：单侧后牙反牙合矫正后，面部不对称有明显改善。
Authors emphasized that the interceptive orthodontic treatment of anterior crossbite at the early stage is very important.
就此作者强调了前牙反(牙合)早期阻断矫治的重要性。
Conclusions Non-extraction treatment by stages can treat successfully anterior crossbite as well as crowding in early permanent.
结论分期非拔牙矫治恒牙早期前牙反牙合伴牙列拥挤，方法可行，且疗效稳定。
Conclusion: The possibility of ill-position and heteroplasia of teeth in maxilla increases in the patients with anterior crossbite.
结论：前牙反牙合使得上颌牙齿的错位及发育异常明显增加。
Methods a candidate gene associated with hereditary bone crossbite deformity-OTX1 was chosen by expressed sequence tags cloning strategy.
方法利用表达序列标签克隆策略选择了1个可能与遗传性骨性反颌畸形相关的候选基因——OT X1。
Objective To evaluate the maxillary protraction appliance permanent teeth combined rapid expansion of early bone anterior crossbite effectiveness.
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。
Conclusion All the four methods used in this study to treat posterior teeth crossbite were effective and could control the height of the posterior teeth.
结论所采用的4种矫治后牙锁的方法可以很好的控制后牙的垂直向高度，有效解除锁。
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.
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。
Objective:To evaluate the maxillary expansion effects of posterior crossbite patients treated with elastic wrapping bite guard and screw expansion mechanic in the mixed dentition.
目的：探讨弹性包绕式垫加螺旋扩弓器矫治替牙期后牙反的适用性及治疗前后的牙颌结构变化。
Objective:To study character mandibular movement tracings during mandibular protrusion in patients with unilateral posterior crossbite and compare the difference with normal occlusion.
目的：探讨单侧后牙反牙合髁突前伸运动轨迹的特征并比较与正常牙合之间的差异。
Results (1)Dental arch transverse discrepancy was seen in 60.4% , bilateral posterior crossbite in 33.3% , and unilateral posterior crossbite in 16.7% of patients with UCLP, respectively .
结果（1）单侧完全性唇腭裂术后患者中出现上下颌牙弓宽度不调的比率为6 0 .4 % ，双侧后牙反为33.3% ，单侧后牙反为16 .7%。
Results (1)Dental arch transverse discrepancy was seen in 60.4% , bilateral posterior crossbite in 33.3% , and unilateral posterior crossbite in 16.7% of patients with UCLP, respectively .
结果（1）单侧完全性唇腭裂术后患者中出现上下颌牙弓宽度不调的比率为6 0 .4 % ，双侧后牙反为33.3% ，单侧后牙反为16 .7%。
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