MATRIX RING FOR TOOTH RESTORATION
    251.
    发明申请

    公开(公告)号:US20180263728A1

    公开(公告)日:2018-09-20

    申请号:US15463232

    申请日:2017-03-20

    CPC classification number: A61C5/85 A61C5/82 A61C2201/007

    Abstract: A matrix ring includes a body that has a yoke, a first side arm extending from a first end of the yoke, a second side arm extending from a second end of the yoke, a first tine extending downwardly and inwardly from the first side arm, and a second tine extending downwardly and inwardly from the second side arm and converging toward the first tine. A first tip covers at least a portion of the first tine, and a second tip covers at least a portion of the second tine. The first and second tips are each bifurcated by a tine gap to provide a first tip finger and a second tip finger.

    ENDODONTIC FILE WITH HIGH FATIGUE RESISTANCE
    260.
    发明申请
    ENDODONTIC FILE WITH HIGH FATIGUE RESISTANCE 有权
    具有高耐疲劳性的内窥镜

    公开(公告)号:US20160256237A1

    公开(公告)日:2016-09-08

    申请号:US14711136

    申请日:2015-05-13

    CPC classification number: A61C5/42 A61C2201/007

    Abstract: An endodontic file with improved fatigue resistance comprising a conical body made of a metal alloy and an amorphous titanium-zirconium-boron film deposited on a surface of the conical body.

    Abstract translation: 具有改善的抗疲劳性的牙髓质文件包括由金属合金制成的圆锥体和沉积在锥体的表面上的无定形钛 - 锆 - 硼薄膜。

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