チタンメッシュトレーと自家腸骨海綿骨細片による顎骨・顎堤再建

DOI Web Site 参考文献43件
  • 飯野 光喜
    東京大学大学院医学系研究科外科学専攻, 感覚運動機能医学講座口腔外科学分野

書誌事項

タイトル別名
  • Alveolar ridge augmentation and mandibular reconstruction by titanium mesh tray and iliac particulate cancellous bone and marrow graft
  • 第29・30回教育研修会(2008年口腔四学会合同研修会) デンタルインプラントの基本とその応用 チタンメッシュトレーと自家腸骨海綿骨細片による顎骨・顎堤再建
  • ダイ29 30カイ キョウイク ケンシュウカイ 2008ネン コウクウ 4 ガッカイ ゴウドウ ケンシュウカイ デンタルインプラント ノ キホン ト ソノ オウヨウ チタン メッシュトレー ト ジカ チョウコツ カイメンコツ サイヘン ニ ヨル ガッコツ ガクテイ サイケン

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Dental rehabilitation using endosseous implants in cases of traumatic dento-alveolar defect and bony defect caused by tumor ablation surgery is highly useful. However many such cases cannot be treated with dental implants because of an inadequate height and width of the alveolar ridge or total loss of bony tissue. To enable the implant restoration, these cases need to undergo jawbone reconstruction. Many techniques have been introduced including the graft of cortico-cancellous bone block and vascularized bone flap. Among these methods, particulate cancellous bone and marrow（PCBM）with titanium mesh tray is one of the well accepted procedures. Iliac PCBM contains highly osteogenic cells. After PCBM grafting, active new bone formation occurs from osteogenic stem cells followed by bone remodeling and incorporation into the recipient bone. This process means that PCBM grafting is the method of bone regeneration that is based on in vivo tissue engineering. Because PCBM lacks intrinsic form and strength to resist deformation by externally applied forces, it has used in combination with titanium mesh for the reconstruction of maxilla, mandible and alveolar ridge. Titanium mesh has excellent biocompatibility and mechanical strength. It can be easily cut with scissors for precision fitting and has malleability for three-dimensional adaptation and can rigidly be fixed to the bone with low profile titanium screws. It is simple to remove and does not leave a residue. It also permits the exchange of body fluids that is advantageous for bone regeneration and has no adverse effects on bone remodeling. In this paper, alveolar ridge augmentation by titanium micromesh with iliac PCBM and reconstruction of large mandibular defect by titanium mesh tray and iliac PCBM harvested from bilateral posterior ilia are introduced.

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