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603 条记录 (耗时 0.024 秒)

    Air polishing prophylaxis system
    134.
    发明公开
    Air polishing prophylaxis system 审中-公开
    AIR-研磨装置FOR广东牙病防治

    公开(公告)号：EP2742899A3

    公开(公告)日：2015-08-12

    申请号：EP14000954.9

    申请日：2005-10-06

    申请人： DENTSPLY International Inc.

    发明人： Nesbitt, Lanny Edward ,  Van Barto, Matthew ,  Riley, Patrick Eugene

    IPC分类号： A61C3/025 ,  A61C17/02 ,  B24C7/00 ,  A61C1/00

    CPC分类号： B24C7/0069 ,  A61C1/0084 ,  A61C3/025 ,  A61C17/0217

    摘要： A dental instrument comprising:
    (i) a body including a container (26) having for holding abrasive particles (80), the body having a conduit (64) extending inside the container and in fluid communication with the interior of the container, the conduit including a passageway extending across the boundary of the container to its exterior at a first location, the conduit including a channel extending across the boundary of the container to its exterior at a second location, the conduit extending within the container from the first location of the container toward the second location of the container, the conduit including one opening (66) to provide fluid communication from the interior of the container into the conduit, two apertures (68) disposed between the opening and the second location of the container in fluid communication with the interior of the container;
    (ii) a restriction (76) formed in the conduit between the opening and the passageway, so that pressurized fluid flowing through the conduit into the container passing the restriction creates a reduced pressure adjacent the opening to draw abrasive particles from the interior of the container into the conduit: abrasive particles are entrained in the pressurized fluid flowing in the conduit toward the apertures. An amount of the particle-laden pressurized fluid flows through the apertures to the interior of the container. The remaining particle-laden pressurized fluid flows past the apertures of the conduit and exit the container.

    REUSABLE DUAL ARCH ANTERIOR DENTAL IMPRESSION TRAY
    135.
    发明公开
    REUSABLE DUAL ARCH ANTERIOR DENTAL IMPRESSION TRAY 审中-公开
    可重复使用的牙印模托盘与双弓门牙

    公开(公告)号：EP2884940A1

    公开(公告)日：2015-06-24

    申请号：EP13753395.6

    申请日：2013-08-16

    申请人： Dentsply International Inc.

    发明人： MCDONALD, Simon, P. ,  AUBONE, Alejandro

    IPC分类号： A61C9/00

    CPC分类号： A61C9/0006

    摘要： The present invention provides a dual arch anterior dental impression tray including a generally opened C-shaped mouthpiece (10) and an insert (12). The mouthpiece (10) having a front side (16), a back side (18), an upper rim (38), a lower rim (42), a left end and a right end, the back side (18) having a concave surface (26) extending from the left end to the right end, the concave surface (26) including a generally longitudinally extending curved groove (28), the left end and right end each include a connector. The insert (12) including a front portion (48) having a curved frame (52), the curved frame (52) includes a left end and a right end, the curved frame (52) is adapted to fit snugly into the curved groove (28), the insert (12) includes a mesh material extending from and within an area defined by the curved frame (52), the curved frame left end and right end each include a connector, wherein the insert left connector is adapted to connect with the mouthpiece left connector and the insert right connector is adapted to connect with the mouthpiece right connector.

    DENTAL RESTORATIVE COMPOSITE WITH LUMINESCENT CRYSTALS
    136.
    发明公开
    DENTAL RESTORATIVE COMPOSITE WITH LUMINESCENT CRYSTALS 审中-公开
    具有发光晶体牙修复成分

    公开(公告)号：EP2854745A1

    公开(公告)日：2015-04-08

    申请号：EP13731190.8

    申请日：2013-06-04

    申请人： Dentsply International Inc.

    发明人： OSTLER, Calvin ,  LU, Hui

    IPC分类号： A61K6/083

    摘要： A dental restorative composite and a method of curing the composite are disclosed in which the composite includes a polymerizable organic resin, a radiation activated initiator having an activation wavelength, an inert filler; and luminescent crystals, wherein the luminescent crystals emit radiation at a predetermined wavelength matching the initiator activation wavelength when the luminescent crystals are irradiated with radiation having a wavelength longer than the activation wavelength, the luminescent crystals being up-converting particles that result in those particles emitting radiation at a wavelength that initiates curing.

    MATRIX BAND RETAINER
    138.
    发明公开
    MATRIX BAND RETAINER 有权
    MATRIXBANDHALTER

    公开(公告)号：EP2773283A1

    公开(公告)日：2014-09-10

    申请号：EP12795153.1

    申请日：2012-11-02

    申请人： Dentsply International Inc.

    发明人： MCDONALD, Simon, P.

    IPC分类号： A61C5/12

    CPC分类号： A61C5/85

    摘要： A denial matrix band retainer is provided with a retractor, main body portion and a bias mechanism. The retractor includes a proximal end and a distal end, with a band engagement portion at the proximal end. The main body portion having a proximal end and a distal end, with a head portion located at the proximal end. The bias mechanism coupling the retractor to the main body portion, the bias mechanism having a static position and a fully active position, wherein in the static position the head portion is spaced apart from the band engagement portion a first distance, and in the fully active position the head portion is spaced apart from the band engagement portion a second distance which is greater than the first distance, the bias mechanism including an actuator for urging the bias mechanism towards the fully active position.

    摘要翻译： 拒绝矩阵带保持器设置有牵开器，主体部分和偏置机构。 牵开器包括近端和远端，近端具有带接合部分。 主体部分具有近端和远端，头部位于近端。 偏转机构将牵开器联接到主体部分，偏置机构具有静止位置和完全活动位置，其中在静止位置，头部与带接合部分间隔开第一距离，并且处于完全活动状态 所述头部与所述带接合部分间隔开大于所述第一距离的第二距离，所述偏压机构包括用于将偏压机构朝向完全活动位置推动的致动器。

    Imaging device for dental instruments
    140.
    发明公开
    Imaging device for dental instruments 审中-公开
    Bildgebungsvorrichtungfürdentale Instrumente

    公开(公告)号：EP2742910A1

    公开(公告)日：2014-06-18

    申请号：EP14000200.7

    申请日：2009-09-24

    申请人： Dentsply International Inc.

    发明人： Karazivan, Naim ,  Ertl, Thomas ,  Guaragno, Kenneth, R. ,  Novak, Gene

    IPC分类号： A61C19/00 ,  A61C1/08 ,  A61L2/00 ,  H04N7/18 ,  A61B1/247 ,  A61B1/05 ,  H04N5/225

    CPC分类号： A61C1/088 ,  A61B1/00087 ,  A61B1/00096 ,  A61B1/00101 ,  A61B1/05 ,  A61B1/051 ,  A61B1/053 ,  A61B1/247 ,  A61L2/202 ,  A61L2/206 ,  A61L2202/181 ,  A61L2202/24 ,  H04N5/2256 ,  H04N5/3577

    摘要： It is an object of the present invention to provide a dental instrument comprising a drill head (52) connected to a handle, wherein the drill head has an underside and is configured to be inserted into a patient's mouth. A dental bur (20) extends from the underside of the drill head and has a long axis. An imaging device (25, 55) comprising optical components for capturing and processing an image of a drilling treatment area is incorporated in the drill head and has an optical window (53, 82) directly adjacent to the dental bur on the underside of the drill head to minimize an angle between an optical line-of-sight of the imaging device and said long axis of the bur. It has also been discovered that incorporating all optical components in the dental instrument allows for greater flexibility and manoeuvring of an imaging device.

    摘要翻译： 本发明的目的是提供一种牙科器械，其包括连接到手柄的钻头（52），其中所述钻头具有下侧并且构造成插入患者口中。 牙钻（20）从钻头的下侧延伸并具有长轴。 包括用于捕获和处理钻孔处理区域的图像的光学部件的成像装置（25,55）被并入钻头中，并且具有与钻头下侧的牙科钻头直接相邻的光学窗口（53,82） 头以最小化成像装置的光学视线与钻头的所述长轴之间的角度。 还已经发现，将所有光学元件结合在牙科器械中允许成像装置的更大的灵活性和操纵性。