Class II DIV 1 with crowding
Age: 14 years old Gender: Male Chief complain: crowding in upper and lower teeth
Class II skeletal tendency
Class II canine and molar relation bilateral.
Moderate crowding in upper (8mm)
Mild crowding in lower (5 mm)
Upper midline shift
Number of aligners: Upper: 36 aligners ( 3 phases ) and 10 refinement ( 2 phase refinements ) Lower: 30 aligners ( 3 phases ) and 5 refinement ( 1 phase refinement ) Total treatment: 18 months
Align upper and lower teeth
Achieve class I molar and canine relationship
Midline shift correction
A stable Overjet and overbite
Results and conclusion posttreatment
Resolved the crowding, Class I canine and molar relationship, stable overjet and overbite. Midline shift correction. Distalization was applied while using Class II elastics throughout the treatment. Decrowding with the aid of IPR. Adjusting the Overjet and overbite.
Retention Double retention was used at end of treatment.