Treatment effects of headgear-Herbst appliance.
- Author:
Xi DU
1
;
Urban HÄGG
Author Information
- Publication Type:Journal Article
- MeSH: Adolescent; Child; Extraoral Traction Appliances; Humans; Malocclusion, Angle Class II; therapy; Mandibular Advancement; methods; Orthodontic Appliances, Functional; Prospective Studies; Treatment Outcome
- From: West China Journal of Stomatology 2004;22(1):46-51
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVESkeletal and dental changes during treatment and six months post-treatment with the headgear-Herbst appliance were evaluated quantitatively.
METHODSThe sample comprised of 22 treated patients and 31 controls. Lateral cephalograms were obtained at start, after 6 months and end of active treatment, and after 6 months of retention.
RESULTSThe restraint effect on the maxilla was significant in both initial and late phases, the enhanced growth of the mandible was significant during the initial phase only, while there was effect of reduced increase in lower facial height during the late phase only. During retention period the jaw base relationship was maintained and the effect on the lower facial height was reinforced.
CONCLUSIONThe Headgear Herbst was effective orthopedic devise.