Immediate placement of a porous-tantalum, trabecular metal-enhanced titanium dental implant with demineralized bone matrix into a socket with deficient buccal bone: a clinical report.
Immediate placement of a porous-tantalum, trabecular metal-enhanced titanium dental implant with demineralized bone matrix into a socket with deficient buccal bone: a clinical report.
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DOI：
10.1016/j.prosdent.2014.09.022
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发表时间：
2015-04
期刊：
影响因子：
--
通讯作者：
Hosseini B
中科院分区：
文献类型：
--
作者：
Bencharit S;Byrd WC;Hosseini B
颊侧牙槽骨板缺失或缺陷通常是即刻种植体植入的重要限制因素。多孔钽基骨小梁金属材料（PTTM）增强的钛牙科种植体设计用于骨结合，即血管化骨向内生长和骨整合（骨生长）的组合。脱矿骨基质（DBM）含有具有良好操作特性的生长因子。然而，这两种材料的组合在面部牙槽骨再生与即刻种植治疗还没有报道。一位65岁的亚洲女性，因中切牙失败而就诊。牙槽骨板大部分缺失。立即使用DBM植入PTTM增强型种植体。锥形束CT扫描12个月后插入最终修复体显示颊牙槽骨再生。PTTM增强型种植体、DBM和定制愈合基台的组合可能在保留生物活性分子方面具有优势，并形成新血管形成和骨生成的支架。这种治疗方案可能是一个可行的选择，立即种植治疗失败的牙齿缺乏颊牙槽骨。
A missing or deficient buccal alveolar bone plate is often an important limiting factor for immediate implant placement. Titanium dental implants enhanced with porous, tantalum-based trabecular metal material (PTTM) are designed for osseoincorporation, a combination of vascularized bone ingrowth and osseointegration (bone on-growth). Demineralized bone matrix (DBM) contains growth factors with good handling characteristics. However, the combination of these 2 materials in facial alveolar bone regeneration associated with immediate implant therapy has not been reported. A 65-year-old Asian woman presented with a failing central incisor. Most of the buccal alveolar bone plate of the socket was missing. A PTTM enhanced implant was immediately placed with DBM. Cone beam CT scans 12 months after the insertion of the definitive restoration showed regeneration of buccal alveolar bone. A combination of a PTTM enhanced implant, DBM, and a custom healing abutment may have an advantage in retaining biologically active molecules and form a scaffold for neovascularization and osteogenesis. This treatment protocol may be a viable option for immediate implant therapy in a failed tooth with deficient buccal alveolar bone.
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