In order to improve the efficacy of Class II and Class III treatment in growing patients, the clinician could benefit from the detection of pretreatment individual craniofacial features that could help in the identification of ideal candidates to growth modification procedures. Prediction models for individual patient responsiveness to orthopedic treatment of Class II and Class III malocclusion will be illustrated. As for Class II treatment, greater advancement of the soft tissue chin on the profile can be expected with smaller pretreatment values of the mandibular angle (Co–Go–Me). As for Class III treatment, unsuccessful cases are characterized by pretreatment values of the angle between the Condylar Axis and the Mandibular Plane greater than the cut-off value of 147.8 degrees.
Learning Objectives:
After this session, attendees will be able to:
Recognize the importance of evaluating mandibular morphology to predict individual patient responsiveness to treatment.
Evaluate the mandibular morphology and apply the predictive model to predict individual patient responsiveness to Class II treatment with functional jaw orthopedics.
Evaluate the mandibular morphology and apply the predictive model to predict individual patient responsiveness to Class III treatment with rapid maxillary expansion and facemask.
