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    • 4. 发明申请
    • Systems and methods for preparing dental restorations
    • 用于制备牙科修复体的系统和方法
    • US20120110851A1
    • 2012-05-10
    • US13199207
    • 2011-08-22
    • Wayne D. JungRussell W. JungWalter W. SloanAlan R. LoudermilkHoward M. Tanner
    • Wayne D. JungRussell W. JungWalter W. SloanAlan R. LoudermilkHoward M. Tanner
    • A61C13/00
    • A61C13/082A61C5/77A61C13/0004G01J3/508G16H20/40Y10T29/49567
    • Improved systems and methods for producing dental restorations and ceramic materials for such restorations are disclosed. Optical properties, preferably including color and translucence characteristics, of a tooth or teeth of a patient are measured with a shade measuring instrument. The tooth to be restored is prepared, and a physical or virtual dental impression is created. A prescription for the restoration, which typically includes color, translucence and thickness information, is sent to the restoration fabrication facility either electronically or physically. A recipe and/or a mixture of ceramics are generated for the restoration, with multiple layers being specified, based on the measured optical properties. The recipe algorithm may adapt, or process checks may be performed, based on measurements of fabricated layers. Preferably, dental ceramics are specified to bracket the region of color space relevant to human teeth, and a reduced set of ceramic materials are manufactured and distributed. Based on measured optical characteristics of the ceramic materials, recipes and/or material mixtures are specified or prepared for the restoration. A virtual impression data file may be transmitted to the laboratory instead of a physical impression.
    • 公开了用于生产用于这种修复体的牙科修复体和陶瓷材料的改进的系统和方法。 使用阴影测量仪器测量患者的牙齿的光学特性,优选包括颜色和半透明特性。 准备恢复的牙齿,并创造出物理或虚拟的牙齿印象。 通常包括颜色,半透明度和厚度信息的恢复处方以电子方式或物理方式发送到恢复制造设施。 基于测量的光学性质,生成用于修复的配方和/或陶瓷的混合物,其中指定多个层。 配方算法可以基于制作的层的测量来适应或者可以执行处理检查。 优选地,牙科陶瓷被规定为支架与人类牙齿相关的颜色空间的区域,并且制造和分布一组减少的陶瓷材料。 基于测量的陶瓷材料的光学特性,指定或准备配方和/或材料混合物用于恢复。 可以将虚拟印象数据文件传送到实验室,而不是物理印象。