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Chin Augmentation With Thin Cortical Bone Concomitant With Advancement Genioplasty

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タイトル: Chin Augmentation With Thin Cortical Bone Concomitant With Advancement Genioplasty
著者: Matsushita, Kazuhiro 著作を一覧する
Inoue, Nobuo 著作を一覧する
Yamaguchi, Hiro-o 著作を一覧する
Ooi, Kazuhiro 著作を一覧する
Totsuka, Yasunori 著作を一覧する
発行日: 2010年 3月
出版者: Elsevier
誌名: Journal of Oral and Maxillofacial Surgery
巻: 68
号: 3
開始ページ: 691
終了ページ: 695
出版社 DOI: 10.1016/j.joms.2009.09.066
抄録: Genioplasty is a commonly performed procedure and various modifications of the technique have been described. One postoperative complication after advancement genioplasty is resorption of the genial segment, occasionally leading to so-called witch's chin appearance when combined with a deep labiomental fold. To prevent this condition, bone grafting onto the advanced genial segment is commonly performed. This method, however, should necessitate grafting of a certain volume of block bone or autologous bone marrow. The donor site should be set up, occasionally even far from the recipient site such as iliac bone. We present two cases in which a novel augmentation technique was taken. Thin cortical bone was harvested from the upper frontal sharp edge of the genial segment, where the sharp edge was sometimes reduced with a bur to avoid irritating surrounding tissues. This harvested bone was placed onto the advanced genial segment obliquely in the sagittal plane, just like covering the gap. Vacant space was made under the thin cortical bone. Neither particulate bone nor any substances were packed into the vacant space, instead keeping the space open. At least 8 months after augmentation, the space was filled with newly formed bone. This phenomenon indicated that voluminous bone is not always required, but preparing adequate environmental circumstances for bone formation is crucial and integral. This method may bring about a new concept of the bone grafting and augmentation.
資料タイプ: article (author version)
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 松下 和裕


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