公开(公告)号：EP3212646B1

公开(公告)日：2018-12-12

申请号：EP15787970.1

申请日：2015-10-27

Applicant: Dental Monitoring

Inventor： SALAH, Philippe ,  AYACHE, William ,  DEBRAUX, Laurent ,  GHYSELINCK, Guillaume ,  PELLISSARD, Thomas

IPC: A61B5/00 ,  A61B1/00 ,  A61C11/00 ,  A61B1/32 ,  A61C19/06 ,  A61C19/10 ,  A61B5/06 ,  G01J3/00 ,  G06K9/00 ,  G06T7/33 ,  G06T7/73 ,  A61C7/00 ,  A61C9/00

CPC classification number: A61C9/0053 ,  A61B1/00009 ,  A61B1/32 ,  A61B5/0088 ,  A61B5/064 ,  A61B5/4547 ,  A61B5/742 ,  A61B2576/02 ,  A61C7/002 ,  A61C9/0046 ,  A61C11/00 ,  A61C19/066 ,  A61C19/10 ,  A61C2007/004 ,  G01J3/00 ,  G01J3/508 ,  G01J3/52 ,  G06K9/00 ,  G06K9/00214 ,  G06K9/6202 ,  G06K2209/05 ,  G06T7/0012 ,  G06T7/251 ,  G06T7/33 ,  G06T7/55 ,  G06T7/73 ,  G06T2207/30004 ,  G06T2207/30036

公开(公告)号：EP3391629A1

公开(公告)日：2018-10-24

申请号：EP15820001.4

申请日：2015-12-14

Applicant: Colgate-Palmolive Company

Inventor： CHEN, Xiang ,  WU, Donghui

IPC: H04M1/02 ,  H04N5/225 ,  G01J3/50 ,  G01J3/02

CPC classification number: G01J3/508 ,  G01J3/0262 ,  H04M1/21 ,  H04M2250/52 ,  H04N5/2252 ,  H04N5/2254

Abstract: Apparatuses and methods for producing improved photographs suitable for measuring teeth whiteness with a handheld camera using a camera jig are provided. The camera jig includes a base that contacts a surface. The camera jig also includes a light shield made from a tubular structure defining an interior cavity. The camera jig further includes a slot in the tubular structure that supports the handheld camera at a predetermined distance from a target, which may be teeth of a user. The slot aligns a lens of the handheld camera with the target. Further, the light shield blocks substantially all ambient light, other than light of a light source of the handheld camera, from the target as it is photographed.

公开(公告)号：EP3268935A1

公开(公告)日：2018-01-17

申请号：EP15771352.0

申请日：2015-09-11

Applicant: Carestream Dental Technology Topco Limited

Inventor： WU, Yingqian ,  CHEN, Qinran ,  WONG, Victor, C. ,  LIU, Zhaohua

IPC: G06T15/04

CPC classification number: G06T15/04 ,  A61B5/0088 ,  A61B5/1077 ,  G01J3/501 ,  G01J3/508 ,  G06T2210/41

Abstract: A method for color texture imaging of teeth with a monochrome sensor array obtains a 3-D mesh representing a surface contour image according to image data from views of the teeth. For each view, recording image data generates sets of at least three monochromatic shading images. Each set of the monochromatic shading images is combined to generate 2-D color shading images, corresponding to one of the views. Each polygonal surface in the mesh is assigned to one of a subset of the views. Polygonal surfaces assigned to the same view are grouped into a texture fragment. Image coordinates for the 3-D mesh surfaces in each texture fragment are determined from projection of vertices onto the view associated with the texture fragment. The 3-D mesh is rendered with texture values in the 2-D color shading images corresponding to each texture fragment to generate a color texture surface contour image.

公开(公告)号：EP1476735B1

公开(公告)日：2018-01-10

申请号：EP03709238.4

申请日：2003-02-21

Applicant: Vita Zahnfabrik H. Rauter GmbH & Co. KG

Inventor： JUNG, Wayne, D. ,  JUNG, Russell, W. ,  SLOAN, Walter, W. ,  LOUDERMILK, Alan, R.

IPC: G01J1/02 ,  G01J3/46 ,  A61C19/04 ,  G01J3/51 ,  G01J3/02 ,  G01J3/36 ,  G01J3/50 ,  G01J3/52 ,  G01N21/25 ,  G01N21/57

CPC classification number: G01N21/25 ,  A61C19/04 ,  G01J1/0271 ,  G01J3/02 ,  G01J3/0218 ,  G01J3/0256 ,  G01J3/0264 ,  G01J3/0272 ,  G01J3/0278 ,  G01J3/0291 ,  G01J3/0294 ,  G01J3/36 ,  G01J3/46 ,  G01J3/462 ,  G01J3/463 ,  G01J3/508 ,  G01J3/51 ,  G01J3/513 ,  G01J3/524 ,  G01J2003/466 ,  G01N21/57

Abstract: A miniaturized spectrometer/spectrophotometer system and methods are disclosed. A probe tip including one or more light sources and a plurality of light receivers is provided. A first spectrometer system receives light from a first set of the plurality of light receivers. A second spectrometer system receives light from a second set of the plurality of light receivers. A processor, wherein the processor receives data generated by the first spectrometer system and the second spectrometer system, wherein an optical measurement of a sample under test is produced based on the data generated by the first and second spectrometer systems.

公开(公告)号：EP3215820A1

公开(公告)日：2017-09-13

申请号：EP15785033.0

申请日：2015-10-16

Applicant: 3M Innovative Properties Company

Inventor： KORTEN, Malte ,  MAYR, Helmar B.

IPC: G01J3/50 ,  A61C13/08 ,  A61C13/00 ,  G06T7/00 ,  A61C19/10

CPC classification number: A61C13/082 ,  A61B1/24 ,  A61C13/0004 ,  A61C13/0022 ,  A61C13/09 ,  A61C19/10 ,  G01J3/463 ,  G01J3/508 ,  G06T7/0014 ,  G06T7/12 ,  G06T7/90 ,  G06T2207/30036

Abstract: A method of making a dental restoration has the steps of capturing an image of a tooth, posterizing the image, determining a tooth color structure, providing information about a multicolored block having a block color structure, matching the tooth color structure and the block color structure, based on the matching, determining a position within the block in which the tooth color structure and the block color structure match, and machining the dental restoration from the block at the determined position. The invention helps facilitating the making of dental restorations at maximized aesthetics.

Abstract translation: 一种制作牙齿修复体的方法具有以下步骤：捕获牙齿的图像，使图像变形，确定牙齿颜色结构，提供关于具有块颜色结构的多色块的信息，匹配牙齿颜色结构和块颜色结构 基于所述匹配，确定所述牙齿颜色结构和所述块颜色结构匹配的所述块内的位置，并且在所确定的位置处从所述块牙齿加工所述牙齿修复体。 本发明有助于在最大化的美学上促进牙科修复体的制造。

公开(公告)号：EP2749246A1

公开(公告)日：2014-07-02

申请号：EP13199452.7

申请日：2013-12-23

Applicant: Vita Zahnfabrik H. Rauter GmbH & Co. KG

Inventor： Rauch, Wolfgang ,  Tholey, Thomas

IPC: A61C13/20 ,  F27B17/02 ,  F27D19/00

CPC classification number: A61C13/20 ,  F27B17/025 ,  G01J3/508

Abstract: Bei dem Verfahren zur automatischen Kalibrierung von Dental-Brennöfen (10) wird von einem Dental-Brennofen (10) mit einer Steuereinheit (14) zur Steuerung des Dental-Brennofens (10) zur Durchführung eines Brennprozesses ausgegangen, der durch Brennprozessparameter, wie z.B. die Temperatur und/oder einen zeitlicher Temperaturverlauf und/oder einen Temperaturgradient und/oder ein Vakuum in einer Brennkammer (12) des Dental-Brennofens (10) definiert ist. Es wird mindestens eine Kalibrier-Brenngutprobe (16) aus einem Dentalmaterial bereitgestellt, das, nachdem die Kalibrier-Brenngutprobe (16) einem Kalibrier-Brenngutprozess mit vorgegebenen Brennprozessparametern ausgesetzt worden ist, eine definierte, in z.B. der Steuereinheit (14) abgelegte Soll-Farbe aufweist. Ferner wird ein Farbmessgerät (18) genutzt, das zur Übermittlung von Messsignalen und/oder Messergebnissen in Wirkverbindung mit der Steuereinheit (14) steht. Bei den Verfahren wird eine Kalibrier-Brenngutprobe (16) in dem Dental-Brennofen (10) dem Kalibrier-Brennprozess ausgesetzt, und die gebrannte Kalibrier-Brenngutprobe (16) anschließend mittels des Farbmessgerätes (18) vermessen. In z.B. der Steuereinheit (14) wird ein Ist/Soll-Vergleich zwischen der definierten Soll-Farbe und der messtechnisch ermittelten Ist-Farbe des gebrannten Dentalmaterials der Kalibrier-Brenngutprobe (16) durchgeführt wird. In Abhängigkeit von einer Abweichung bzw. dem Grad einer Abweichung der Ist-Farbe von der Soll-Farbe wird mindestens einer der Brennprozessparameter kalibriert und der kalibrierte Brennprozessparameter in z.B. der Steuereinheit (14) abgelegt.

Abstract translation: 自动校准方法包括提供颜色测量装置（18）可操作地连接到做一个控制单元（14），用于测量信号的传输。 甲目标/实际比较所定义的所期望的颜色和校准击发对象样品（16）的烧制牙科材料的计量方式检测出的实际颜色之间进行。 烧制工艺参数被校准并存储用于在控制单元的控制中使用。 要自动可读表包含烧制工艺参数和分配给该值实际颜色值不同的值。

公开(公告)号：EP2739206A1

公开(公告)日：2014-06-11

申请号：EP12820383.3

申请日：2012-07-18

Applicant: Carestream Health, Inc.

Inventor： LIANG, Rongguang ,  MILCH, James ,  INGLESE, Jean-marc

IPC: A61B5/00

CPC classification number: A61B5/4547 ,  A61B5/0088 ,  G01J3/0229 ,  G01J3/0289 ,  G01J3/501 ,  G01J3/508

Abstract: An intra-oral imaging apparatus for obtaining an image of a tooth has an image capture apparatus with an imaging sensor that is energizable to obtain image data and one or more optical elements for directing light from the tooth to the imaging sensor. An illumination apparatus has one or more light sources energizable to emit light and a spatial light modulator that is configurable to shape an illumination beam from the emitted light. One or more optical elements relay the shaped illumination beam toward the tooth surface. A control logic processor in signal communication with the imaging sensor obtains image data and in signal communication with the spatial light modulator shapes the illumination beam according to the obtained image data.

公开(公告)号：EP2688479A2

公开(公告)日：2014-01-29

申请号：EP12760500.4

申请日：2012-03-19

Applicant: Carestream Health, Inc.

Inventor： WANG, Wei ,  SONG, Liwei ,  WU, Yingqian ,  WONG, Victor, C. ,  YAN, Jiayong

IPC: A61B6/14 ,  G06T9/20

CPC classification number: G06T7/0012 ,  A61B5/0071 ,  A61B5/0088 ,  A61B5/4547 ,  A61B5/7267 ,  A61B6/14 ,  A61B6/5217 ,  A61C9/0046 ,  G01J3/508 ,  G06K2209/05 ,  G06T2207/10064 ,  G06T2207/20081 ,  G06T2207/30036

Abstract: A method for intraoral imaging obtains a digital image of one or more teeth and detects first and second boundaries. At each of the first and second boundaries, there is calculated a boundary ratio of mean gray-scale values for the tooth area on one side of the boundary to mean gray-scale values for background areas on the other side. The calculated boundary ratios are stored. A third ratio of the mean gray-scale values for the tooth area near the first boundary to the mean gray-scale values for the tooth area near the second boundary is calculated and stored. A vector is formed and stored that contains at least the calculated boundary ratios and the third ratio. The tooth surface is classified as either smooth or occlusal according to the stored vector. The image data is processed according to the classification and processing results are reported.

公开(公告)号：EP2433555A3

公开(公告)日：2013-01-16

申请号：EP11010048.4

申请日：2003-07-24

Applicant: OLYMPUS CORPORATION

Inventor： Komiya, Yasuhiro ,  Wada, Toru ,  Konno, Osamu ,  Ajito, Takeyuki ,  Nakamura, Tomoyuki

IPC: A61B5/00 ,  A61C13/08 ,  G01J3/02 ,  G01J3/10 ,  G01J3/32 ,  G01J3/50 ,  H04N5/225 ,  H04N9/04

CPC classification number: G01J3/32 ,  A61B5/0013 ,  A61B5/0088 ,  A61B5/02 ,  A61C13/0004 ,  A61C13/082 ,  G01J3/02 ,  G01J3/0218 ,  G01J3/0224 ,  G01J3/0262 ,  G01J3/0264 ,  G01J3/0272 ,  G01J3/0291 ,  G01J3/10 ,  G01J3/463 ,  G01J3/50 ,  G01J3/501 ,  G01J3/508 ,  G01J3/51 ,  G01J3/513 ,  G01J3/524 ,  G06F19/00 ,  H04N5/2256 ,  H04N9/045 ,  H04N13/15 ,  H04N2209/043 ,  H04N2209/044

Abstract: An image processing system is used for dentistry. Upon creating a false tooth of a patient (59), a plurality of illuminating light of LEDs with different wavelengths emit light and a photographing apparatus (1A) photographs a tooth portion of the patient (59), thereby obtaining image data. The image data is sent to a dentistry filing system (2A) serving as a processing apparatus, and color reproducing data is obtained by calculation. The color reproducing data is sent to a dentistry factory (55) via a public line. Data is searched from a database (56) for calculating a ceramic compounding ratio, compound data of the ceramic false tooth is obtained, matching the color of the tooth portion of the patient (59), and the false tooth approximate to the tooth color of the patient (59) is created.
The photographing apparatus has a control unit (18) which switches between a spectroscopic image capturing mode and a moving image capturing mode.

公开(公告)号：EP0909376B1

公开(公告)日：2009-09-30

申请号：EP97901920.5

申请日：1997-01-02

Applicant: Vita Zahnfabrik H. Rauter GmbH & Co. KG

Inventor： JUNG, Wayne, D. ,  JUNG, Russel, W. ,  LOUDERMILK, Alan, R.

IPC: G01J3/51 ,  G01N21/25 ,  G01N21/47 ,  G01N21/64 ,  G01J3/50

CPC classification number: A61C19/10 ,  A61B2560/0233 ,  G01J3/02 ,  G01J3/0218 ,  G01J3/04 ,  G01J3/10 ,  G01J3/46 ,  G01J3/50 ,  G01J3/508 ,  G01J3/51 ,  G01J3/513 ,  G01J3/524 ,  G01N21/474 ,  G01N21/57

Abstract: Color/optical characteristics measuring systems and methods are disclosed. Perimeter receiver fiber optics/elements (7) are spaced apart from a central source fiber optic/element (5) and received light reflected from the surface of the object (20) is measured. Light from the perimeter fiber optics (7) pass to a variety of filters. The system utilizes the perimeter receiver fiber optics (7) to determine information regarding the height and angle of the probe (1) with respect to the object (20) being measured. Under processor control (20), the color measurement may be made at a predetermined height and angle. Various color spectral photometer arrangements are disclosed. Translucency, fluorescence, and/or surface texture data also may be obtained. Audio feedback may be provided to guide operator use of the system. The probe (1) may have a removable or shielded tip for contamination prevention.