Treatment effects of double parabolic lingual springs appliance and straight wire appliance therapy in skeletal class Ⅲ malocclusion
10.3760/cma.j.issn.1008-6706.2010.22.014
- VernacularTitle:舌簧活动矫治器联合直丝弓矫治器治疗恒牙早期骨性Ⅲ错(牙合)的疗效评价
- Author:
Zhongfu CHANG
;
Chuanwei YIN
- Publication Type:Journal Article
- Keywords:
Malocclusion,angle class Ⅲ;
Orthodontic wires;
Maxilla
- From:
Chinese Journal of Primary Medicine and Pharmacy
2010;17(22):3052-3053
- CountryChina
- Language:Chinese
-
Abstract:
Objective To evaluate the treatment effects of double parabolic lingual springs appliance and straight wire appliance therapy in skeletal class Ⅲ malocclusion. Methods 12 cases with skeletal class Ⅲ malocclusion were treated by double parabolic lingual springs appliance and straight wire appliance, cephalometric tracing measurement were taken in analysis,compared between pretreatment and posttreatment in each case. Results The comparison of before and after orthodontic treatment showed angle SNA increased by 2.80°, angle SNB decreased 1.39°ANB decreased by 4.88°. Conclusion The above metioned technique could be a reliable way to treat mild and moderate skeletal class Ⅲ malocclusion.
