Clinical application of coil-spring utility arch
- VernacularTitle:带弹簧多用途唇弓的结构原理及其临床应用
- Author:
Zhihua LI
;
Jianyong WU
;
Yangxi CHEN
- Publication Type:Journal Article
- Keywords:
Coil-spring utility arch;
Anterior expansion;
Malocclusion;
Orthodontic appliances
- From:
Journal of Practical Stomatology
1995;0(04):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To introduce the clinical application of the coil-spring utility arch for orthodontic treatment. Methods:A 35-year-old male patient with mild skeletal anterior crossbite was treated by fixed appliance combined with coil-spring utility arch for 16 months. Cephalometric analysis was conducted before and after treatment.Results:After treatment, the patient's appearance was improved,and the cephalometric analysis showed that SNA increased by 2?,SNB decreased by 1?,ANB increased by 3?,U1-NA increased by 1?,L1-NB increased by 3?.Conclusion:Coil-spring utility arch can expand anterior dental arch continuously and stably.
