Figure 2From: The spectrum of Apert syndrome: phenotype, particularities in orthodontic treatment, and characteristics of orthognathic surgeryAge 9.4. Situation after surgical exposure of upper central incisors at age 9.1. Extrusion of upper central incisors with a modified functional appliance (Fränkel 3), which was not applied to treat the Class III, but only to extrude the upper central incisors and to stretch the soft tissues to facilitate lip closure.Back to article page