Anterior Open Bite with Temporomandibular Joint Osteoarthritis Treated with Skeletal Anchorage Device: A Case Report
정서린, 이소윤, 임성훈, 김혜민, 강신구, 박현정,
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정서린 ( Jeong Seo-Rin ) - Chosun University College of Dentistry Department of Orthodontics
이소윤 ( Lee So-Yoon ) -
임성훈 ( Lim Sung-Hoon ) - Chosun University College of Dentistry Department of Orthodontics
김혜민 ( Kim Hye-Min ) -
강신구 ( Kang Shin-Gu ) -
박현정 ( Park Hyun-Jeong ) - Chosun University College of Dentistry Department of Oral Medicine
Abstract
This case report describes the orthodontic treatment of a patient with severe anterior open bite and skeletal class II malocclusion with temporomandibular joint (TMJ) osteoarthritis (OA) of the left condyle. The 21-year-old male patient had open-bite malocclusion, mild crowding, and protrusion of the anterior teeth. Mild erosive changes were detected in the anterior part of the left mandibular condyle on cone-beam computed tomography; however, because no clinical symptoms were present, orthodontic treatment was performed. It is imperative to consider the potential implications of orthodontic treatment on the stability of the TMJ throughout the duration of treatment, as any instability can exacerbate TMJ OA. Hence, it is crucial to opt for the least invasive treatment modality available.
In this regard, orthodontic treatment using a skeletal anchorage system as an alternative to conventional orthognathic surgery for patients with open bite holds great promise, as it not only ensures mandibular stability but also significantly ameliorates the open-bite condition.
키워드
Open bite; Orthodontics; Osteoarthritis; Skeletal anchorage system; Temporomandibular joint
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