Dentofacial changes of anterior crossbite after modified maxillary protraction therapy
- VernacularTitle:改良前方牵引器治疗前牙反牙合的牙颌面形态变化
- Author:
Guoping XIONG
;
Ying WANG
;
Lin WANG
- Publication Type:Journal Article
- Keywords:
Anterior crossbite;
Maxillary protraction;
Appliance
- From:
Chinese Journal of Medical Aesthetics and Cosmetology
2001;0(06):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective To introduce a modified intraoral fixed appliance for maxillary protraction and to investigate the dentofacial changes of anterior crossbite after the therapy. Methods Twelve patients with anterior crossbite were treated with modified protraction therapy. The cephalometric analysis was used to evaluate the changes. Results After active treatment, the overjet correction was 6.55 mm. A point moved forward 2.6 mm. Pg dislocated backward 5.65mm with MP-FH increased 1.7?. Esthetics was greatly enhanced. Conclusion The modified maxillary protraction is recommended for easy fabrication, good retention, wearing comfortably and cleaning easily. Esthetics is greatly enhanced.
