Abstract

Object: Progressive condylar resorption (PCR) is defined as diminishing condylar head volume with changes in condylar shape, often associated with decreased mandibular ramus height, mandibular retrusion and counter clockwise rotation, resulting in progressive Class II basal bone in relation with anterior open bite. Patients are known to have relatively small and retruded mandible. Because of it, PCR patients often undergo inappropriate surgeries or unnecessary orthodontic procedures under misdiagnosis with maxillary protrusion and/or mandibular retrusion.

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