Fig. 2
From: Relationship between back posture and early orthodontic treatment in children

a, b: Fränkel type II appliance a) frontal view b) lateral view (Photos by Prof. Dr. Carsten Lippold)
From: Relationship between back posture and early orthodontic treatment in children
a, b: Fränkel type II appliance a) frontal view b) lateral view (Photos by Prof. Dr. Carsten Lippold)