Research of cranio-occlusional change of skeletal class III malocclusion in permanent dentition treated by the multiloop edgewise arch wire technique.
- Author:
Chang-wei JIN
1
;
Jiu-xiang LIN
;
Bao-hua XU
Author Information
- Publication Type:Journal Article
- MeSH: Adolescent; Adult; Cephalometry; Dentition, Permanent; Female; Humans; Male; Malocclusion, Angle Class III; therapy; Orthodontic Wires; Orthodontics, Corrective; methods
- From: West China Journal of Stomatology 2004;22(3):216-219
- CountryChina
- Language:Chinese
-
Abstract:
OBJECTIVETo analyze the mechanics in correction of skeletal class III malocclusion with Multiloop Edgewise Arch Wire (MEAW).
METHODS15 patients with skeletal class III malocclusion were treated with MEAW technique. Cephalometric analysis was performed with pre-treatment and post-treatment cephalograms. Paired t-test was conducted to assess the treatment effects.
RESULTSL6-XI decreased by 2.87 mm, L6/MP increased by 8.60 degrees, L1-XI decreased by 2.60 mm, OP/MP increased by 2.33 degrees. Skeleton changed a little. There was no significant change in the soft tissue.
CONCLUSION(1) Dento-alveolar compensation is the main change after the treatment by MEAW technique; (2) The improvement in molar relationship and overjet is achieved with upright and distal movement of the lower posterior teeth; (3) The lower anterior teeth moved lingually and protracted. Occlusal plane is flattened.
