overlay the pretreatment and post treatment cephalo-metric images on the S-N line. 9 After the maxillary incisors were properly torqued and intruded (Fig. 17) the mandible advanced forward from a full Class II maloc-clusion to a bilateral Class I platform (spontaneous orthopedic correction). A post treatment profile view of the patient demonstrates a well balanced face both hori-zontally (Fig. 15-A) and vertically (Fig. 18). After the maxilla has been developed properly (i.e., proper width, no crowding, ideal incisor position, etc.) there are cases that remain Class II. The patient may be a weak horizontal grower (Fig. 19), may www.orthodontics.com Fall 2016 11