Severe Gummy Smile with Class II Malocclusion Treated with LeFort I Osteotomy Combined with Horseshoe Osteotomy and Intraoral Vertical Ramus Osteotomy
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In this article, we report the successful surgical treatment of a patient, 34 years of age, who had a severe gummy smile and a class II malocclusion. The patient had an 11-mm gingival exposure during full smile and a convex profile. A LeFort I osteotomy combined with a horseshoe osteotomy was used for the superior repositioning of the maxilla;then, an intraoral vertical ramus osteotomy (IVRO) and genioplasty were performed for mandibular advancement. The maxilla was acceptably impacted 8mm at the first incisor and 5mm at the first molar. Both the occlusion and facial appearance were significantly improved by this surgical-orthodontic treatment. Our results suggest that the combination of a horseshoe osteotomy with a LeFort I osteotomy is a useful technique for reliable superior repositioning of the maxilla.
収録刊行物
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- Acta Medica Okayama
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Acta Medica Okayama 67 (1), 55-60, 2013-02
Okayama University Medical School
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詳細情報 詳細情報について
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- CRID
- 1390853649749544832
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- NII論文ID
- 120005232337
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- NII書誌ID
- AA00508441
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- ISSN
- 0386300X
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- PubMed
- 23439509
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- IRDB
- PubMed
- CiNii Articles