A complex Class II case with crowding and missing teeth.

Abstract

Frankel appliance treatment was used from the age of 9 years 3 months to 10 years 7 months, which is 16 months overall. At 12 years 2 months, region. At 14 years 5 months, fixed appliances were placed for a period of 16 months. A positioner was used from 14 years 8 months until 16 years 3 months, which is an 18 month period.