A study on a transpalatal arch for reinforcing anchorage
- VernacularTitle:横腭弓增强支抗的研究
- Author:
Long TAN
;
Xiangyu YE
;
Hong ZHOU
- Publication Type:Journal Article
- Keywords:
Angle classⅡ malocclusion;
Orthodontics;
Transpalatal arch;
Anchorage
- From:
Journal of Practical Stomatology
2001;0(01):-
- CountryChina
- Language:Chinese
-
Abstract:
砄bjective: To evaluate the effect on a transpalatal arch on reinforcing anchorage. Methods: 12 cases with ClassⅡ Division 1 malocclusion were selected and treated with a transpalatal arch for reinforcing anchorage. Results: ①The forward displacement of the first maxillary molar (6 Ptmo, 6 So, 6CR So and 6AP So) , the backward displacement(1 Ptmo and 1 So ) and the reduction of the axial inclination (1 NA and 1 SN) of the upper incisors were increased( P 0.05);③The forward displacement of the first maxillary molar was less than one third of the extraction space ( P