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1. 发明授权

US09427379B2 Dental material set and a dental membrane for obscuring a metal color of a dental metal, and a preparing method thereof 有权
标题翻译：牙科材料组和用于模糊牙科金属的金属色的牙膜及其制备方法
公开(公告)号：US09427379B2
公开(公告)日：2016-08-30
申请号：US14223154
申请日：2014-03-24
申请人： KABUSHIKI KAISHA SHOFU
发明人： Jun Uchida , Mitsuji Teramae , Shuhei Takahashi , Masanori Goto , Ryuichi Yoshimoto
IPC分类号： A61K6/08 , A61K6/00 , A61C13/08
CPC分类号： A61K6/0023 , A61C13/082 , A61K6/0005 , A61K6/0008
摘要： Provided are opaque materials exhibiting a good adhesive strength and a good color tone reproduction comparable with natural dental crowns as well as having a good operability. In addition, the opaque materials may exhibit a stain-resistance property in rebuilding-up a dental composition on the opaque materials in a cured form with a metal instrument. Further, the opaque materials may exhibit a good color tone reproduction comparable with natural dental crowns even if a dental membrane is thinly formed from the opaque metals. The dental membrane is formed from a first opaque layer and a second opaque layer, wherein the first opaque layer contains a filler of indefinite-shape particles and the second opaque layer contains a filler of spherical-shape particles, and wherein the first opaque layer is formed on a metal base and the second opaque layer is formed on the first opaque layer.
摘要翻译：提供具有良好的粘合强度和与天然牙冠相当的良好色调再现以及具有良好可操作性的不透明材料。此外，不透明材料在用金属仪器以固化形式重建牙科用组合物的不透明材料时可能表现出抗污染性。此外，即使从不透明金属薄薄地形成牙科膜，不透明材料也可表现出与天然牙冠相当的良好的色调再现性。牙膜由第一不透明层和第二不透明层形成，其中第一不透明层含有不定形颗粒的填料，第二不透明层含有球形颗粒填料，其中第一不透明层为形成在金属基底上，第二不透明层形成在第一不透明层上。

2. 发明授权

US08784112B2 Tooth for dental arch model and method for producing the same 有权
标题翻译：牙弓牙齿模型及其制作方法
公开(公告)号：US08784112B2
公开(公告)日：2014-07-22
申请号：US14046178
申请日：2013-10-04
申请人： Kabushiki Kaisha Shofu
发明人： Yusei Kadobayashi , Hirokazu Sato , Ryuichi Yoshimoto
IPC分类号： G09B23/28 , A61C13/083 , A61C13/09
CPC分类号： G09B23/283 , A61C13/083 , A61C13/09
摘要： The present invention relates to a tooth which is used in a dental arch model with which dental students can experience dental works in the oral cavity and practice treatments. More specifically, the present invention relates to a tooth composition for formation trainings such as abutment tooth formation and cavity preparation. Since conventionally used dental arch models have a grinding sensation different from a natural tooth, dental students having completed formation trainings such as abutment tooth formation and cavity preparation by using these conventional models are frequently puzzled to have different grinding and handling properties upon dental works in the oral cavity in practice. That is, these conventional dental arch models are largely different from a natural tooth in grinding sensation including slipperiness and easiness in grinding. A tooth for a dental arch model simulating the enamel texture and the dentin texture constituting a natural tooth whereby even the difference in grinding sensation between the enamel texture and the dentin texture constituting a natural tooth can be reproduced by forming at least the enamel portion with the use of a sintered body of an inorganic powder such as alumina.
摘要翻译：牙科技术领域本发明涉及一种用于牙科学模型的牙齿牙科学生可以在口腔中进行牙科工作和实践治疗的牙齿。更具体地，本发明涉及一种用于形成培养的牙齿组合物，例如基牙形成和腔体制备。由于常规使用的牙弓模型具有与天然牙齿不同的磨削感觉，所以通过使用这些传统模型已经完成了形成训练，例如基牙形成和腔体制备的牙科学生经常困惑于在牙科工程中具有不同的研磨和处理性能口腔实践。也就是说，这些传统的牙弓模型与磨牙感觉中的天然牙齿大不相同，包括滑动性和研磨容易度。用于模拟釉质质地的牙弓模型的牙齿和构成天然牙齿的牙本质纹理，由此即使通过至少形成釉质部分也可以再现釉质组合和构成天然牙齿的牙本质纹理之间的磨削感的差异，使用无机粉末如氧化铝的烧结体。

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