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    • 3. 发明申请
    • DENTAL IMPLANT PROSTHETIC DEVICE WITH IMPROVED OSSEOINTEGRATION AND ESTHETIC FEATURES
    • 具有改进的OSSEOINTEGRATION和ESTHETIC特征的牙科植入物预处理装置
    • US20080050699A1
    • 2008-02-28
    • US11847476
    • 2007-08-30
    • Kai ZhangMichael WallickJeffrey BassettMichael Collins
    • Kai ZhangMichael WallickJeffrey BassettMichael Collins
    • A61C13/113
    • A61C8/0012A61C8/0006
    • Dental implants made at least in part of a porous tantalum material for enhancing the osseointegration of the dental implant into surrounding bone. For example, there is provided a dental implant which includes a porous tantalum portion and an outer portion having a color generally replicating the color of natural teeth. The dental implant further comprises a core portion and the porous tantalum portion at least partially surrounds the core portion. An esthetic portion is disposed at least the outer portion and the porous tantalum portion is disposed for at least partially reinforcing the esthetic portion. After implantation of the implant, bone tissue may osseointegrate into the porous tantalum portion to anchor the implant in position within the surrounding bone. Other embodiments of implants are provided, each implant including at least a portion thereof formed of porous tantalum for improved osseointegration.
    • 至少部分由多孔钽材料制成的牙种植体,用于增强牙科植入物到骨骼的骨整合。 例如,提供了一种牙科植入物,其包括多孔钽部分和具有通常复制天然颜色的颜色的外部部分。 牙科植入物还包括芯部分,并且多孔钽部分至少部分地围绕芯部分。 至少设置有外观部分的美观部分,多孔钽部分设置成至少部分地加强美观部分。 在植入植入物之后,骨组织可以骨整合到多孔钽部分中以将植入物锚定在周围骨骼内的适当位置。 提供植入物的其它实施方案,每个植入物包括由多孔钽形成的至少一部分,用于改善骨整合。
    • 10. 发明申请
    • PROSTHETIC DENTAL DEVICE
    • US20070015110A1
    • 2007-01-18
    • US11420024
    • 2006-05-24
    • Kai ZhangRyan DonahoeThomas DayHallie BrinkerhuffJeffrey Bassett
    • Kai ZhangRyan DonahoeThomas DayHallie BrinkerhuffJeffrey Bassett
    • A61C8/00
    • A61K6/0205A61C8/0012A61K6/033A61K6/083A61K6/087A61L27/446A61L27/46A61L2400/12A61L2430/12C08L71/00C08L81/06
    • A prosthetic dental device comprised of a composite material including a polymer material and a ceramic material mixed within the polymer material. In one embodiment, the ceramic fillers are substantially, homogeneously dispersed within the polymer material. In one embodiment, the ceramic material is bonded to the polymer material through a coupling agent. In addition, the prosthetic dental device can be comprised of a different composite material. This composite material includes a ceramic matrix having pores and an organic material infiltrated into the pores. To construct the ceramic matrix, ceramic particles, a binder material, and a porogen material are mixed to create a composite material which is then molded and heated to create a substantially rigid ceramic structure. At least some of the binder material and the porogen material are evaporated during the heating step to create pores in the matrix which are filled with the organic material.
    • 一种假体牙科装置,其由包含聚合物材料的复合材料和混合在聚合物材料内的陶瓷材料组成。 在一个实施方案中,陶瓷填料基本均匀地分散在聚合物材料内。 在一个实施方案中,陶瓷材料通过偶联剂与聚合物材料结合。 另外,假体牙科装置可以由不同的复合材料构成。 该复合材料包括具有孔的陶瓷基体和渗透到孔中的有机材料。 为了构造陶瓷基体,将陶瓷颗粒,粘合剂材料和致孔剂材料混合以产生复合材料,然后将其复合并加热以产生基本刚性的陶瓷结构。 至少一些粘合剂材料和致孔剂材料在加热步骤期间被蒸发,以在基质中产生填充有机材料的孔。