Progressive condylar resorption: A 10-year orthodontic-surgical treatment follow-up

Abstract

Progressive condylar resorption (PCR) is an atypical situation in orthodontic patients and requires special attention because of its occlusal instability. Its exact etiology is not clear. This paper describes an orthodontic-surgical treatment of a patient with PCR at a 10-year follow-up. A 25 year-old female patient was referred for orthodontic treatment, having reported that she had already been orthodontically treated as a teenager. She described having a progressive bite opening, a Class II open bite was established clinically. Literature shows some controversies around PCR treatment options. She underwent an arthrocentesis followed by an orthodontic-surgical treatment. An occlusal splint was used before, during, and after treatment. Although such intervention would be unpredictable for stability, a long-term follow-up demonstrated no worsening of the PCR, and the patient remained in good occlusal condition. Studies in this field are still required to better understand the etiology of the disease and evaluate treatment options. • Risk factors for PCR may be related to TMJ mechanic stress and individual adaptability. • Surgical-orthodontic and occlusal splint may be a viable treatment for PCR. • The treatment options for PCR are controversial and include less invasive surgical intervention.