Idiopathic condylar resorption (ICR) is the loss of the mandibular condyle due to resorption, which creates an open bite and muscular instability. It can be caused by osteoarthritis, avascular necrosis, autoimmune diseases like rheumatoid arthritis, traumatic injuries, or lack of natural estradiol from oral contraceptives. Those most likely to have ICR include females during puberty who participate in sports like cheerleading or competitive swimming, with a female to male ratio of around 9:1. Treatment options for ICR include orthodontics, TMJ therapy like occlusal splints, and jaw surgery to remove hyperplastic tissue, reposition the disc and condyle