[Class II mechanics and overbite].
Class II mechanics are supposed to affect the vertical balance of the face when they are used in hyperdivergent patterns. We carried out a study about class II mechanics effects on 100 patients; 50 of them are hyperdivergent (GoGn/SN > or = 37), and 50 non-hyperdivergent. They all were treated with an Edgewise appliance without any high pull head gear. The authors showed that GoGn/SN angles and Occ/SN tend to be lessened in a skeletal open-bite population. Thus, Class II mechanics can be prescribed in any vertical facial pattern.
Lodter
C
C
Laverhne
P
P
Arnaud
C
C
D002508:Cephalometry; D000075202:Contraindications; D006801:Humans; D008310:Malocclusion / Q000628:therapy*; D008312:Malocclusion, Angle Class II / Q000628:therapy; D009967:Orthodontic Appliances / Q000706:statistics & numerical data; D014716:Vertical Dimension