Stability of results and function of the masticatory system in patients treated with the Herren type of activator.
D000202:Activator Appliances; D000293:Adolescent; D000328:Adult; D002508:Cephalometry; D002648:Child; D005069:Evaluation Studies as Topic; D005500:Follow-Up Studies; D006801:Humans; D008310:Malocclusion / Q000628:therapy*; D008312:Malocclusion, Angle Class II / Q000628:therapy*; D008409:Mastication; D009968:Orthodontic Appliances, Removable; D012008:Recurrence; D014087:Tooth Movement Techniques / Q000379:methods*