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    • 6. 发明公开
    • ERSTELLEN EINER WACHS- ODER KUNSTSTOFFBASIS ZUR FERTIGUNG EINER DENTALPROTHESE
    • 创造蜡或塑料基础制造牙科保护
    • EP3256068A1
    • 2017-12-20
    • EP16701274.9
    • 2016-01-20
    • Kulzer GmbH
    • SAVIC, NovicaRENZ, Karl-HeinzGALL, Silke Maren
    • A61C13/01A61C13/00A61C13/10
    • A61C13/01A61C9/0046A61C13/0004A61C13/0022A61C13/10A61C13/1003A61C13/206A61C13/34
    • The invention relates to a method for producing a wax base (1) or a prosthesis base (1) for producing a dental prosthesis, wherein a virtual CAD model of the dental prosthesis is used to produce the physical dental prosthesis or the physical prosthesis base (1), wherein a virtual model of the prosthesis base (1) is calculated from the CAD model of the dental prosthesis, characterized by the following chronological steps: A) scanning in at least one three-dimensional region of a physical model (4) of the oral-cavity situation of a patient and creating a data set D1 on the basis of said scan or performing an intraoral scan of a three-dimensional region of the oral-cavity situation of the patient and producing a physical model (4) of the oral-cavity situation of a patient on the basis of the intraoral scan and creating a data set D1 on the basis of the intraoral scan; b) applying a wax layer (12) or a plastic layer (12) to the physical model (4) of the oral-cavity situation; D) calculating a virtual surface as a surface to be produced in the wax layer (12) or in the plastic layer (12), wherein the calculation is performed on the basis of the virtual model of the prosthesis base (1) and on the basis of the data set D1 and wherein positioning aids (2) for positioning prosthetic teeth (16) are provided in the surface to be produced; and E) producing the wax base (1) from the wax layer (12) or the prosthesis base (1) from the plastic layer (12) by means of a subtractive CAM method on the basis of the virtual surface calculated in step D). The invention further relates to a method for producing a dental prosthesis or a wax-up for a dental prosthesis and to a prosthesis base, a wax base, or a dental prosthesis produced by means of such a method.
    • 10. 发明公开
    • VORGEFORMTER PROTHESENBASISROHLING
    • EP3128945A1
    • 2017-02-15
    • EP15715254.7
    • 2015-04-09
    • Heraeus Kulzer GmbH
    • SAVIC, NovicaGALL, Silke MarenRENZ, Karl-HeinzSTUMBAUM, JulianeBEUER, FlorianSCHWEIGER, Josef
    • A61C13/00A61C13/01
    • A61C13/0022A61C13/0001A61C13/0004A61C13/0006A61C13/01
    • The invention relates to a prosthesis-base blank (1) for producing a prosthesis base for a dental prosthesis by means of a subtractive CAM method, wherein the prosthesis-base blank (1) is composed of a plastic or a wax, wherein the prosthesis-base blank (1) is preformed and wherein a dental arch (2) or a dental-arch segment is preformed as a material thickening of the prosthesis-base blank (1). The invention further relates to a set comprising at least one such prosthesis-base blank (1). The invention further relates to a method for producing a prosthesis base for producing a total dental prosthesis or at least a partial dental prosthesis by means of a prosthesis-base blank (1) according to one of the proceeding claims, comprising the following steps: fastening the prosthesis-base blank (1) in a CAM device for removing material of the prosthesis-base blank (1) by means of a CAM method and removing material of the prosthesis-base blank (1) by means of the CAM device on the basis of a computed CAD model.
    • 本发明涉及一种用于通过减法CAM方法制造用于牙科假体的假体基座的假体基底坯(1),其中所述假体基底坯料(1)由塑料或蜡组成,其中所述假体 - 坯体(1)被预成型,并且其中牙弓(2)或牙弓片段预成型为假体基底坯料(1)的材料增厚。 本发明还涉及一种包括至少一个这样的假体基底坯料(1)的组件。 本发明还涉及一种用于通过根据前述权利要求中任一项所述的假体基底坯料(1)来制造用于制造总牙科假体或至少部分牙科假体的假体基底的方法,包括以下步骤:紧固 CAM装置中的假体基底坯(1),用于通过CAM方法去除假体基底坯料(1)的材料,并通过CAM装置移除假体基底坯料(1)的材料 计算CAD模型的基础。