The Belle Maudsley memorial lecture 1984. The bionator: its use and "abuse". Part 1.
D000202:Activator Appliances; D002648:Child; D004867:Equipment Design; D004868:Equipment Failure; D006801:Humans; D007180:Incisor / Q000502:physiology; D008312:Malocclusion, Angle Class II / Q000628:therapy; D009968:Orthodontic Appliances, Removable; D014087:Tooth Movement Techniques / Q000295:instrumentation