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KMID : 0362420230610030204
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Journal of Korean Academy of Prosthodontics
2023 Volume.61 No. 3 p.204 ~ p.214
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Rehabilitation with orthognathic surgery and orthodontic treatment in patient with severe occlusal disharmony: A case report
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Lee Jung-Jin
Song Kwang-Yeob
Ahn Seung-Geun
Park Ju-Mi
Seo Jae-Min
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Abstract
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The occlusal treatment including prosthetic treatment should be considered when the pathologic symptom was observed with the excessive discrepancy between the centric relation occlusion (CRO) and the maximum intercuspal position (MIP). Through careful diagnosis, the malocclusion and interarch relationship can be analyzed, and occlusal adjustment, restorative treatment, orthodontic therapy, or orthognathic surgery can be performed depending on the degree of disharmony. The patient in this case report complained the unstable occlusion and loss of masticatory function that had been occurring for several years. At the time of the visit, the patient showed severe occlusal disharmony, with only the upper right second molar contacting the lower jaw at the maximum intercuspal position. Based on the analysis of the occlusion, it was difficult to solve the problem with just occlusal adjustment or restorative treatment. In addition, the patient had the skeletal class II malocclusion between the upper and lower jaws. Therefore, for resolving the severe skeletal class II malocclusion, pre- and post-orthodontic treatment, bilateral sagittal split ramus osteotomy (BSSRO) was performed. After that, the occlusal adjustment was performed for stable occlusion, and the missing teeth area was restored with dental implants. During the follow-up period, a periodic follow-up visits and additional occlusal adjustments were performed to achieve a stable centric occlusion and harmonious anterior and lateral guidance. As a result, the final prosthodontic treatment was completed, and the patient’s masticatory function was restored.
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KEYWORD
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Full-mouth rehabilitation, Orthognathic surgery, Sagittal split ramus osteotomy (SSRO)
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