Development and applications of porous tantalum trabecular metal-enhanced titanium dental implants.

Development and applications of porous tantalum trabecular metal-enhanced titanium dental implants.
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多孔钽小梁金属增强钛牙种植体的开发与应用

DOI:
10.1111/cid.12059
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发表时间:
2014-12
影响因子:
3.6
通讯作者:
Offenbacher S
Offenbacher S
中科院分区:
医学2区
文献类型:
--
作者:
Bencharit S;Byrd WC;Altarawneh S;Hosseini B;Leong A;Reside G;Morelli T;Offenbacher S

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多孔金属钽作为一种新型的种植体表面强化技术,最近已被应用于钛种植体中。然而,关于这种材料在种植牙科中的应用的信息很少。因此,我们回顾了目前关于这种材料的基础科学和临床应用的文献。多孔金属钽被用来改善骨结构和牙种植体之间的接触,因此可能促进骨整合。多孔金属钽在骨科植入物中的成功导致了多孔金属钽在骨内钛植入物的设计中的应用。钛种植体表面的多孔钽三维增强允许将骨生长与骨内长或骨结合结合在一起。虽然人们对口腔中多孔钽的生物学方面知之甚少,但这种植入物设计似乎有几个可能的优势。本文综述了多孔钽增强钛牙种植体的生物学特性,特别是解剖学因素和口腔环境对种植体设计的影响。我们在这里提出了这种类型的牙种植体的可能的临床情况和应用。讨论了植入物的优点和缺点以及未来需要的临床研究。
Porous tantalum trabecular metal has recently been incorporated in titanium dental implants as a new form of implant surface enhancement. However, there is little information on the applications of this material in implant dentistry. We, therefore review the current literature on the basic science and clinical uses of this material. Porous tantalum metal is used to improve the contact between osseous structure and dental implants; and therefore presumably facilitate osseointegration. Success of porous tantalum metal in orthopedic implants led to the incorporation of porous tantalum metal in the design of root-from endosseous titanium implants. The porous tantalum three-dimensional enhancement of titanium dental implant surface allows for combining bone ongrowth together with bone ingrowth, or osseoincorporation. While little is known about the biological aspect of the porous tantalum in the oral cavity, there seems to be several possible advantages of this implant design. This article reviews the biological aspects of porous tantalum enhanced titanium dental implants, in particular the effects of anatomical consideration and oral environment to implant designs. We propose here possible clinical situations and applications for this type of dental implant. Advantages and disadvantages of the implants as well as needed future clinical studies are discussed.
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