A surgery-first approach using single-jaw rotational mandibular setback in low-angle mandibular prognathism
| Autor: | Seo-Rin Jeong, Sung Hoon Lim, Gyeong-Su Kim, Jae Hyun Park |
|---|---|
| Rok vydání: | 2021 |
| Předmět: |
Adult
medicine.medical_specialty Maxillary deficiency Cephalometry Orthodontics Mandible Intrusion Young Adult stomatognathic system Maxillary surgery Occlusal plane Maxilla Medicine Humans Osteotomy Le Fort business.industry Orthognathic Surgical Procedures Vertical Dimension Maxillary Osteotomy Setback Surgery stomatognathic diseases Mandibular prognathism Malocclusion Angle Class III Posterior teeth Prognathism Female business |
| Zdroj: | American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics. 160(4) |
| ISSN: | 1097-6752 |
| Popis: | For the treatment of low-angle mandibular prognathism, rotational mandibular setback surgery is usually performed with Le Fort I maxillary osteotomy to rotate the maxillomandibular complex simultaneously. However, this maxillary surgery can be replaced with the orthodontic intrusion of maxillary posterior teeth. Single-jaw rotational mandibular setback surgery can be done with a surgery-first approach by planning orthodontic rotation of the maxillary occlusal plane with the simulation of the postsurgical forward mandibular rotation. This case report describes this approach applied to a 19-year-old female patient with low-angle mandibular prognathism but without maxillary deficiency. A Class II open bite was formed by the rotational setback surgery. During postsurgical orthodontic treatment, the maxillary total arch was distalized with maxillary molar intrusion using palatal mini-implants and lever. This case report demonstrates that orthodontic rotation of the maxillary occlusal plane and simulation of mandibular rotation can replace maxillary surgery and enable single-jaw rotational mandibular setback surgery with a surgery-first approach. |
| Databáze: | OpenAIRE |
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