Figure 1From: The spectrum of Apert syndrome: phenotype, particularities in orthodontic treatment, and characteristics of orthognathic surgeryAge 8.8. Extraorally: Hypertelorism, vertical excess of the lower third of the face, trapezoidal upper lip, forced lip closure possible, but difficult. Intraorally: Dentitio tarda, crowding, Angle Class III with dental compensation by retrusion of lower incisors, circular open bite with unilateral crossbite.Back to article page