镍钛上颌扩弓装置

• 作 者: 邹源
• 出 处: 国外医学.口腔医学分册
• 发表日期: 2004年期
• 关键词: 上颌扩弓装置 扩弓 镍钛 上颌骨发育 正牙 上颌第一磨牙 矫治器 技工室 不舒适感 上领骨

横向扩大上颌骨是100年来,许多正牙专家用来改正上颌骨发育异常的习惯方法,当今许多临床医师则根据上颌骨发育异常的变化,设计了一些快速和慢速扩弓矫治器,然而常规快速扩弓,有不舒适感觉,需要患者的配合和依赖技工室的精心制作,并且上颌第一磨牙常出现近中舌向扭转,常规扩弓装置不能矫正。慢速扩弓在矫形和正牙这二者中能显示最好生理变化。

Lateral expansion of the maxilla is the customary method used by many orthodontists to correct maxillary dysplasia for over 100 years. Many clinicians nowadays have designed some rapid and slow braces based on changes in maxillary dysplasia, whereas conventional Rapid expansion of the bow, there is uncomfortable feeling, the need for patient cooperation and rely on the elaboration of the laboratory, and the maxillary first molar often appear near the tongue to reverse the conventional expansion device can not be corrected. Slow bowing shows the best physiological changes in both orthopedic and orthodontic.