Fig. 1From: Palatal bone thickness at the implantation area of maxillary skeletal expander in adult patients with skeletal Class III malocclusion: a cone-beam computed tomography studySchematic diagram of cephalometric measurement. MPA: The angle formed by FH (Frankfort horizontal plane) with MP (mandibular plane); ANB: The angle formed by point N (nasion), point A (subspinale), and point B (supramental)Back to article page