Twenty -year post-treatment assessment of class II division 1 malocclusion treated with non-extraction approach

Several treatment strategies exist to deal with class II division 1 malocclusions depending upon the configuration of the malocclusion and the age of the patient. The results produced by one or a discretionary combination of these treatment modalities can only be considered satisfactory if they remain stable, making long-term stability a main objective of orthodontic treatment. To achieve long-term stability, several different treatment techniques and philosophies have been recommended; however, despite many efforts to achieve this goal, a definitive treatment protocol is still lacking.This article describes twenty-year post-treatment assessment of a class II division 1 malocclusion case, treated in the late mixed dentition stage, with the non-extraction treatment approach - molar-inserted headgear along with a fixed appliance therapy