3-STAGE ACTIVATOR TREATMENT OF A SEVERE SKELETAL CLASS-II, OPEN BITE MALOCCLUSION

Activator therapy for a severe Class II, Division 1 malocclusion with open bite malocclusion is described. The treatment was performed in th ree stages: one, ''early-early,'' at the age of 5 to 6 years; one ''ea rly,'' between 9 and 11 years; this was followed by 2 years of retenti on with a maxillary retainer. The patient continued to be observed fur ther over a 3-year period. The final records show a normal, stable occ lusion, and good facial balance.