多种口外装置治疗早期前牙反并牙列拥挤的应用研究  

Clinical study of extroral appliance in anterior crossbite and crowded dentition

作　　者：黄勉芳[1] 

机构地区：[1]湖南省郴州市第一人民医院南院口腔科,湖南郴州423000

出　　处：《中国现代医学杂志》2008年第3期341-342,345,共3页China Journal of Modern Medicine

摘　　要：目的探讨口外弓及前方牵引装置对混合牙列期或恒牙列早期前牙反并牙列拥挤病例治疗的有效性。方法选择混合牙列期或恒牙早期有前牙反并牙列拥挤(拥挤度6～12mm)病例12例,同时或先后使用前方牵引装置和口外弓装置,观察疗效。结果经过治疗,使用前方牵引装置3～6个月,反纠正;使用口外弓装置6～12个月,解除牙列拥挤。结论前方牵引合用口外弓装置能有效治疗混合牙列期或恒牙早期前牙反并牙列拥挤病例。[Objective] To study the effect of extroral appliance in treatment of anterior crossbite and crowded dentition. [Methods] Twelve cases of anterior crossbite and crowded dentition .（with 6-12 mm） were included using extroral arch and extroral protraction in the same time or in the different time. [Results] After 3-6 months, anterior crossbite cases are cured. 6-12 months later, crowded dentition cases were cured. [Conclusions] Extroral arch and extroral protraction can cure crowded dentition and anterior crossbite of mixed dentition effectively.

关 键 词：前方牵引 口外弓 混合牙列 前牙反[牙合] 牙列拥挤 

分 类 号：R783[医药卫生—口腔医学]