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    • 6. 发明授权
    • Dental abutment and method for manufacturing a dental abutment
    • 一种牙科用柱组件和制造牙桥基的方法
    • EP2022441B1
    • 2016-11-23
    • EP08013475.2
    • 2008-07-25
    • Seiko Epson Corporation
    • Hayashi, JunichiIto, Michio
    • A61C8/00A61C13/00
    • A61C8/005A61C8/0012A61C13/0003
    • A dental implant (10) capable of reliably preventing elution of metal when the dental implant is applied within an oral cavity and capable of reliably preventing occurrence of mismatching (bumpy occlusion or the like) when the dental implant is fixed in place, and a method for manufacturing the dental implant are provided. In the method for manufacturing a dental implant (10) including an abutment (2), the abutment is manufactured through the steps including a titanium molded body production step for molding a titanium molded body (21') composition to obtain a titanium molded body having one of male and female thread portions (212'), a ceramic molded body production step for molding a ceramic molded body composition to obtain a ceramic molded body (22') having the other thread portion (222') which makes thread coupling with the one thread portion, an assembling step for assembling the titanium molded body and the ceramic molded body together so that the one thread portion makes thread coupling with the other thread portion, to obtain an assembled body, a degreasing step for degreasing the assembled body, and a sintering step for sintering the assembled body thus degreased.
    • 10. 发明公开
    • METHOD FOR MANUFACTURING ONE-PIECE DENTAL IMPLANT
    • VERFAHREN ZUR HERSTELLUNG EINES EINTEILIGEN ZAHNIMPLANTATS
    • EP2913022A1
    • 2015-09-02
    • EP13858014.7
    • 2013-09-11
    • GC Corporation
    • NAMETA YoshinoriTAKAYAMA MasayukiIKEYA RyosukeHIROTA Kazuo
    • A61C8/00A61L27/00
    • A61C13/0006A61C8/0012A61C8/005A61C8/0075A61C13/0003A61L27/06A61L27/10F04C2270/0421
    • There is provided a method for manufacturing a one-piece dental implant having a ceramic abutment and a titanium or titanium alloy implant fixture firmly adhesively fixed to each other. A one-piece dental implant having an abutment 2 and an implant fixture 1 integrated to each other is manufactured by cooling the implant fixture 1 to room temperature after a projecting part 2a of the abutment 2 at room temperature is press-fitted into a recess part 1a of the implant fixture 1 being in a state where the implant fixture 1 is heated to 100-300 °C. The implant fixture 1 formed of titanium or a titanium alloy is perforated to have a truncated circular cone-shaped recess part 1a. The recess part 1a has a taper that is tapered from an intraoral side to a jawbone side. The abutment 2 formed of ceramic has a prosthetic fixing part 2b provided on an opposite side of the jawbone side and a truncated circular cone-shaped projecting part 2a provided on the jawbone side. The projecting part 2a has the same taper as the recess part 1a of the implant fixture 1.
    • 提供了一种用于制造具有陶瓷抵接件和钛或钛合金植入物夹具的单件牙植入物的方法,其牢固地彼此固定。 通过在台座2的突出部2a在室温下压配合到凹部中之后,通过将植入物固定件1冷却到室温来制造具有彼此一体化的基台2和植入物夹具1的一体式牙植入物 植入物固定装置1的1a处于植入物夹具1被加热到100-300℃的状态。 由钛或钛合金形成的植入物夹具1被穿孔以具有截头圆锥形凹部1a。 凹部1a具有从口内侧到颚骨侧的锥形。 由陶瓷形成的支座2具有设置在颚骨侧的相反侧的假体固定部2b和设置在颚骨侧的截头圆锥形突出部2a。 突出部2a具有与植入物固定装置1的凹部1a相同的锥形。