Treatment objectives and treatment plan
The primary treatment objectives were to achieve class I canines and molar bilaterally and reduce the overjet and overbite. Additional objectives were to relief the crowding in both arches, correct the upper arch form, restore a pleasant smile with optimal lip line and smile arc, achieve lip competency and enhance the patient’s profile. It was desirable to reduce the overjet and correct the class II relation by distalising the upper molars and retracting the upper incisors. Since the patient presented with a deep bite, measures to prevent bite deepening were undertaken. The patient had high aesthetic demands and asked for more esthetic alternatives to fixed appliance therapy. A treatment approach with Clear Aligner Therapy was the appliance of choice using Invisalign aligners (Align Technology Inc, Santa Clara‚ CA‚USA). All procedures have been performed in accordance with the ethical standards laid down in an appropriate version of the Declaration of Helsinki.