Correction of Angle Class Ⅱ division 2 malocclusion with upper/lower arch expansion and Class Ⅱ elastics in adults
- VernacularTitle:扩弓和Ⅱ类牵引矫治成人安氏Ⅱ类2分类错
- Author:
Zuolin JIN
;
Nan CHEN
;
Haixue WANG
- Publication Type:Journal Article
- Keywords:
Upper/lower arch expansion;
Class Ⅱ elastic;
Adult;
Angle Class Ⅱ division 2 malocclusion
- From:
Journal of Practical Stomatology
2000;0(06):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To study the effects of treatment of Angle Ⅱ division 2 malocclusion with upper/lower arch expansion and Class Ⅱ elastics in adults. Methods:Expanding upper/lower arch and Class Ⅱ elastic were used to treat Angle Class Ⅱ division 2 malocclusion in 15 adults. Study models and cephalograms were analyzed before and after treatment. Results:Before and after treatment the maxillary variables of cephalograms showed no significant differences, the mandibular variables showed significant differences in sagittal and vertical direction. U1-NA, U1-PP, L1-NB, L1-MP, U1-L1 and L6-Ptm were significantly increased after treatment(P
