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KMID : 1101020230480030123
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Journal of Oral Medicine and Pain
2023 Volume.48 No. 3 p.123 ~ p.130
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Anterior Open Bite with Temporomandibular Joint Osteoarthritis Treated with Skeletal Anchorage Device: A Case Report
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Jeong Seo-Rin
Lee So-Yoon
Lim Sung-Hoon
Kim Hye-Min
Kang Shin-Gu
Park Hyun-Jeong
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Abstract
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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.
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KEYWORD
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Open bite, Orthodontics, Osteoarthritis, Skeletal anchorage system, Temporomandibular joint
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