Idiopathic condylar resorption（ICR） is a poorly understood progressive disease that affects the temporomandibular joint and that can result in a loose of condylar height and alteration of the maxillofacial morphology and occlusion. It often affects females age 15 to 35 years old. Maxillofacial morphological findings generally include: Angle Class Ⅱ malocclusion with anterior open bite; high occlusal plane angle and mandibular plane angle; mandibular retropositioning. In recent years, good progress on the study of ICR was achieved. This review focused on the pathogenesis, diagnosis and treatment of ICR.
