摘要
目的观察可摘式四眼簧扩大成年人上颌牙弓的临床效果。方法随机选择成年人上颌牙弓狭窄伴轻度拥挤的患者21名(男性9例,女性12例),矫治开始上颌即戴可摘式四眼簧。结果通过10～12周的扩弓治疗,上颌U6-U6牙间宽度平均增加5.70 mm。结论可摘式四眼簧提供了矫治成年人上颌牙轻度拥挤的一种简单有效的方法。
Objective To observe the clinical effect of removable quad-helix appliance in the expansion of adult maxillary arch. Methods 21 patients with dental arch constriction camplicated with mild dental crowding were chosen in random, including 9 male patients and 12 female patients. Removable quad-helix appliance was set at the beginning ofteeth＇s correction. Result After 10 -12 weeks＇ treatment, the average width of U6-U6 was enlarged by 5.70 ram. Conclusion Removable quad-helix appliance is a kind of good appliance for correcting adult maxillary arch constriction complicated by mild dental crowding.
出处
《临床医学工程》
2009年第9期67-68,共2页
Clinical Medicine & Engineering
关键词
四眼簧
牙列拥挤
quad-helix
dental crowding
