ABSTRACT

Class II Division 1 malocclusion is common in orthodontic practice. When combined with crowding in the nongrowing patient, they often become a most difficult malocclusion to treat. In this study; three cases had class II division 1 malocclusion with crowding of upper arch and irregularities of anterior teeth which were treated by means of extraction of upper first premolars and application of fixed appliances, is reported.