口外弓支抗与Nance弓增强支抗临床效果的对比研究  

Comparison of Clinical Effects Between Headgear and Nance Appliance in control

作　　者：卢建东[1] 

机构地区：[1]江苏省靖江市中医院,214500

出　　处：《中国医疗前沿》2011年第20期68-68,30,共2页China Healthcare Innovation

摘　　要：目的比较使用口外弓与Nance弓增强支抗的临床效果。方法选择上颌拥挤伴前突的患者20名,随机分两组,分别采用口外弓和Nance弓增强支抗,对治疗前后的模型及头颅侧位X片进行测量并对比分析。结果口外弓组上颌磨牙位置较为稳定,差异有统计学意义(P<0.05)。结论口外弓支抗比Nance弓支抗效果更为理想。Objective To compare the clinical effects of headgear and Nance appliance in anchorage control.Methods Twenty cases with maxillary crowded and protrusion were selected,randomly divided into two groups,using headgear and Nance appliance.The model of before and after treatment and headed a measurement of the X and comparative analysis.Results Cases with headgear more evidently than those with Nance appliance.The position of upper molar was more stable（P〈0.05）.Conclusion The headgear could provide better anchorage control than Nance appliance.

关 键 词：口外弓 支抗 NANCE弓 

分 类 号：R783.5[医药卫生—口腔医学]