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Because of these disadvantages, we usually remove the devices six months after the first operation. To substitute the metallic materials, we have developed new resorbable osteosynthesis systems for maxillofacial surgery. Polyglycolide (PGA), polylactide (PLA) and polydioxanone (PDS) are biodegradable substances used for surgical materials and PLA is considered the most suitable for bone fixation because it is the strongest. PLA are made from lactic acid polymers. Poly-L-lactide (PLLA) materials, such as SR-PLLA, As-polymerized PLLA and High-strength PLLA, are used clinically. Our High-strength PLLA material has lower molecular weight and crystallinity but it is stronger than the other PLLA materials. We treated 51 patients with mandible fractures and other oral diseases, using High-strength PLLA plates or screws. Follow-up studies were done by clinical, radiographic and laboratory examinations. After passing more than 2 years following operation, in 13 of the 20 cases the plates were palpable through soft tissue. However, the healing of the bone wound was uneventful in every case through our follow up period. 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顎骨用吸収性骨接合材料について : 高強度PLLA材料を中心として
https://iwatemed.repo.nii.ac.jp/records/1310
https://iwatemed.repo.nii.ac.jp/records/1310f86a232c-2c77-496c-9522-bfe7b00f1aee
名前 / ファイル | ライセンス | アクション |
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KJ00003489971 (1.4 MB)
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Creative Commons : 表示 - 非営利 - 改変禁止
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 2005-08-16 | |||||
タイトル | ||||||
タイトル | 顎骨用吸収性骨接合材料について : 高強度PLLA材料を中心として | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Biodegradable osteosynthesis system for maxillofacial surgery : focusing on high-strength PLLA materials | |||||
言語 | ||||||
言語 | jpn | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
記事種別(日) | ||||||
総説 | ||||||
記事種別(英) | ||||||
en | ||||||
Review | ||||||
著者名(日) |
杉山, 芳樹
× 杉山, 芳樹 |
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著者名よみ |
スギヤマ, ヨシキ
× スギヤマ, ヨシキ |
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雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AN00017474 | |||||
書誌情報 |
岩手医科大学歯学雑誌 en : Dental journal of Iwate Medical University 巻 30, 号 2, p. 121-131, 発行日 2005-08-16 |