Class / Patent application number | Description | Number of patent applications / Date published |
348066000 | Dental | 25 |
20090167848 | SYSTEM AND METHOD TO IMPROVE MOUTH DISEASE DIAGNOSIS - Embodiments of the present invention address the deficiencies of the art in respect to oral cavity medical assessment and provide a method, system and apparatus for mouth disease diagnosis and treatment. In an embodiment of the invention, an apparatus for scanning an oral cavity can include a mouth guard spreader that has a partially transparent receiving member that defines a receiving cavity, a first spreader portion and a second spreader portion coupled to the partially transparent receiving member. The apparatus further can include an image capture device for capturing images of the oral cavity disposed within the partially transparent receiving member of the mouth guard spreader. The apparatus yet further can include a storage device coupled to the image capture device for storing each captured image of the oral cavity. | 07-02-2009 |
20100007725 | METHOD AND SYSTEM FOR AUTOMATIC INTRA-ORAL SENSOR LOCATING FOR IMAGE ACQUISITION - A method and systems for capturing digital intra-oral images, while automatically determining a location of an intra-oral sensor placed within a mouth of a patient, is disclosed. A spatial frame-of-reference is established with respect to teeth within the mouth of the patient. An intra-oral digital imaging sensor is placed within the mouth of the patient adjacent to at least one tooth within the mouth that is to be imaged using the intra-oral sensor. Spatial location information is automatically generated such that the spatial location information defines how the intra-oral sensor is placed with respect to the spatial frame-of-reference. A digital image of at least one tooth is acquired using the intra-oral sensor and the spatial location information is automatically associated with the acquired digital image. The associated spatial location information may be used to automatically correlate the acquired image to a tooth or teeth within the mouth and/or to automatically orient the acquired image for display. | 01-14-2010 |
20100149323 | METHOD OF DENTAL MICROSCOPIC PROCEDURE - A dental microscopic procedure uses a digital surgical scope comprising a lens assembly for magnifying an optical image of an object and an illumination device for illuminating the object along the optical axis and from the direction of the lens assembly; an image data taking device, an image data processing/storing device having a database, one or more displays, and one or more controls for controlling the behaviors of the digital surgical scope, the image data taking device, the image data processing/storing device, and the one or more displays. The procedure comprises steps for capturing images, enhancing images, and selecting and performing functions on the images, wherein the function comprises deleting, exporting, importing, multi-viewing, printing, and managing the images with the database. | 06-17-2010 |
20100165089 | APPARATUS FOR CARIES DETECTION - An apparatus for imaging a tooth having a light source with a first spectral range and a second spectral range. A polarizing beamsplitter ( | 07-01-2010 |
20110102566 | DENTAL IMAGING AND APPARATUS THEREFOR - Apparatus and method for imaging a tooth. The apparatus includes: illumination means arranged to generate first and second infra-red light; and image data acquisition means arranged for receiving infra-red light originating from the illumination means and returned from an illuminated tooth. The image data acquisition means includes infra-red pixel sensor means responsive to said returned infra-red light to generate image pixel values for a first image of the illuminated tooth using first infra-red light and for a second image of the illuminated tooth using second infra-red light. The apparatus further includes data processing means to use one or more image pixel values of the first image to calculate a first reflectance value, and to use one or more image pixel values of the second image to calculate a second reflectance value, and to determine from the first and second reflectance values a measure of the degree of enamel lesion (Se) and/or dentin lesion (Sd) present in the part. | 05-05-2011 |
20110149058 | INTRA-ORAL CAMERA WITH POLARIZED AND UNPOLARIZED LIGHT - An intra-oral imaging apparatus having an illumination system directing light symmetrically about an optical axis. A first array includes polychromatic light sources directing light over a first range of angles. A second array includes polychromatic light sources, each light source of the second array paired with a polarizer directing light over a second range of angles that is narrower than the first range of angles. A third array includes UV light sources directing the light over the second range of angles. Collection optics with an imaging lens system is disposed along an optical path direct reflected light to a detector that is disposed to form image data from the reflected light. An analyzer has its transmission axis oriented orthogonally to the polarizer to reduce specular reflection. A long pass filter blocks reflected UV light from the third array light sources. | 06-23-2011 |
20110221878 | INTRAORAL CAMERA - The intraoral camera of the present invention comprises a main body case ( | 09-15-2011 |
20110228066 | METHOD AND APPARATUS FOR DETECTION OF CARIES - A method for obtaining an image of tooth tissue directs incident light toward a tooth, wherein the incident light excites a fluorescent emission from the tooth tissue. Fluorescence image data is obtained from the fluorescent emission. Back-scattered reflectance image data is obtained from back-scattered light from the tooth tissue. The fluorescence and back-scattered reflectance image data are combined to form an enhanced image of the tooth tissue for caries detection. | 09-22-2011 |
20110228067 | METHOD AND APPARATUS FOR DETECTION OF CARIES - A method for obtaining an image of tooth tissue directs incident light toward a tooth, wherein the incident light excites a fluorescent emission from the tooth tissue. Specular reflection of incident light from the tooth tissue is reduced. Fluorescence image data is obtained from the fluorescent emission. Back-scattered reflectance image data is obtained from back-scattered light from the tooth tissue. The fluorescence and back-scattered reflectance image data are combined to form an enhanced image of the tooth tissue for caries detection. | 09-22-2011 |
20110234781 | Dental Intra-oral Camera - The invention relates to an intra-oral camera having an imaging system for depicting the object located in front of an observation window of the camera on a recording unit, wherein the imaging system has at least one focusing unit for setting a suitable focus and an aperture unit for forming a variable aperture. The setting of the aperture is carried out independently of the focus adjusted by the focusing unit. | 09-29-2011 |
20110316994 | EXAM-CAM ROBOTIC SYSTEMS AND METHODS - The illustrated embodiment of the invention encompasses an apparatus for intraoral imaging of teeth of a patient which includes a camera, a robotic arm coupled to the camera which arm is capable of rotating the camera for selectively positioning the camera into the mouth of the patient, least one sensor coupled to arm to sense the relative position of the teeth and/or mouth with respect to the camera, and a controller coupled to the at least one sensor and arm for controlling the arm to avoid any collision between the teeth or the interior of the mouth and the camera and/or arm, where the controller further selectively moves the arm to track any movement of the patient to keep the camera in a constant relative position with respect to the teeth or mouth. | 12-29-2011 |
20120013722 | APPARATUS AND METHOD FOR CARIES DETECTION - An apparatus for imaging a tooth has at least one illumination source for providing an incident light having a first spectral range for obtaining a reflectance image of the tooth and a second spectral range for exciting a fluorescence image of the tooth. A first polarizer having a first polarization axis and a compensator in the path of the incident light of the first spectral range are disposed to direct light toward the tooth. A second polarizer is disposed to direct light obtained from the tooth toward a sensor and has a second polarization axis that is orthogonal to the first polarization axis. A lens is positioned in the return path to direct image-bearing light from the tooth toward the sensor for obtaining image data. A filter in the path of the image-bearing light from the tooth is treated to attenuate light in the second spectral range. | 01-19-2012 |
20120026307 | METHOD AND SYSTEM FOR MEASUREMENT OF CURING ENERGY DELIVERED DURING SIMULATED DENTAL RESTORATIONS - A system and method for real-time measurement of curing energy delivered to a simulated dental restoration from a source of curing energy. The system comprises a detector and a display. The detector measures at a location within the simulated dental restoration the amount of curing energy delivered by the curing energy source. The display displays the measured amount of curing energy in real-time. The system also comprises a temperature detector to measure temperature changes in the oral tissues during curing (teeth and gums). The system also comprises a video camera to record the operator's curing technique. | 02-02-2012 |
20120062716 | OBJECT CLASSIFICATION FOR MEASURED THREE-DIMENSIONAL OBJECT SCENES - Described are methods that enable rapid automated object classification of measured three-dimensional object scenes. Each method can be performed during a three-dimensional measurement procedure while data are being acquired or after completion of the measurement procedure using the acquired data. In various embodiments, an object scene is illuminated with an optical beam and an image is acquired. In some embodiments, the object scene is illuminated with a structured light pattern and a sequence of images of the object scene illuminated by the pattern at different spatial phases is acquired. Coordinates are determined for points in the one or more images and a translucence value is determined for each of the points. An object class is determined for each point based on the translucence value for the point. Optionally, additional information, such as grayscale or color image data for each point, is used to supplement the object class determination. | 03-15-2012 |
20120113240 | APPARATUS AND METHODS FOR FULL-MOUTH INTRAORAL IMAGE ACQUISITION - Apparatus and methods for full-mouth intraoral image acquisition. An intraoral sensor configuration includes a multi-aperture digital camera and/or a conformal layered sensor structure, a bite piece, and an electronic cable for imaging inside surfaces of a mouth of a patient without having to re-position the digital camera and/or the conformal layered sensor structure within the mouth of the patient during an image acquisition session. Images may be acquired sequentially or simultaneously. | 05-10-2012 |
20120200686 | INTRAORAL CAMERA WITH LIQUID LENS - An auto focus intraoral camera with liquid lens includes: a digital imaging sensor ( | 08-09-2012 |
20120236135 | Intraoral Occlusion Measurement and Registration - Methods and apparatus for registration of digital images of a plurality of dental surfaces of a patient. Multiple dental surfaces are separately scanned and digitized, where each of the surfaces has at least one marked area. All marked areas are optically acquired, creating digitized images of the plurality of dental surfaces, which are then registered in a common reference frame on the basis of a specified marked areas. In some cases, a first dental surface is disposed on an upper dental arch and a second dental surface is disposed on a lower dental arch. Marked contact areas may be indicative of local occlusion pressure. | 09-20-2012 |
20130038710 | IDENTIFICATION OF DENTAL CARIES IN LIVE VIDEO IMAGES - A method for identification of caries, executed at least in part on data processing hardware, captures a plurality of blocks of digital tooth images, each block of tooth images comprising a fluorescence image and one or more reflectance images. At least one registered fluorescence image is generated from the fluorescence image and the one or more reflectance images. A combined image is generated using each of the one or more reflectance images and the at least one registered fluorescence image. | 02-14-2013 |
20130083181 | METHOD AND APPARATUS FOR DETECTION OF CARIES - A method for obtaining an image of tooth tissue directs incident light toward a tooth, wherein the incident light excites a fluorescent emission from the tooth tissue. Fluorescence image data is obtained from the fluorescent emission. Back-scattered reflectance image data is obtained from back-scattered light from the tooth tissue. The fluorescence and back-scattered reflectance image data are combined to form an enhanced image of the tooth tissue for caries detection. | 04-04-2013 |
20130286174 | INTRAORAL VIDEO CAMERA AND DISPLAY SYSTEM - A system configured provided with a continuously captured image sequence forming means for continuously capturing side surfaces of rows of teeth to form an image sequence, a side surface tooth row image forming means for combining sequences of images which were formed by the continuously captured image sequence forming means as partial tooth row images from an image forming the center of the overall composite so as to form a plurality of partial tooth row images, and a side surface tooth row image combining means for linking and combining a plurality of partial tooth row images which were formed by the side surface tooth row image forming means based on images farming the centers of the overall composite so as to form overall rows of teeth. By configuring the system in this way, it is possible to use a handheld type intraoral video camera to form a panoramic image of the side surface tooth rows for display on a computer monitor and propose a broad range of dental diagnosis and treatment to a patient and to secure participation of the patient in proactive dental diagnosis and treatment. | 10-31-2013 |
20140002626 | AUTOFOCUS METHOD USING LIQUID LENS | 01-02-2014 |
20140132747 | DIGITAL INTRA-ORAL PANARAMIC ARCH CAMERA - A digital intra-oral panoramic arch camera can provide a single panoramic image easily taken by one person. The intra-oral panoramic arch camera can save clinical time and improve accuracy for treatment planning. The intra-oral panoramic arch camera includes a plurality of image capturing devices and a plurality of lamps, such as light emitting diodes, for providing sufficient lighting for capturing the image. The intra-oral panoramic arch camera can include adjustable positioning arms to adjust the individual cameras to the correct positioning depending on the patient's oral structure. | 05-15-2014 |
20140313299 | Dental Camera For Detecting Caries - A camera head of a dental camera for detecting caries in an interdental space has an illuminating device for illuminating a tooth adjacent to the interdental space, which includes an infrared light source. The camera head further includes optics which have an image plane and an object plane, wherein an image sensor is located in the image plane, and the object plane divides the space into two half spaces, wherein a first half space contains the optics and is located in front of the object plane, and a second half space is located behind the object plane, both as seen from the optics. The illuminating device and the optics are designed and arranged with respect to one another in such a way that the illuminating device is arranged in the first half space and infrared light exiting the illuminating device is aimed in the direction of the second half space. | 10-23-2014 |
20150350517 | DEVICE FOR VISUALIZING AN INTERIOR OF A PATIENT'S MOUTH - The device for visualizing the interior of a patient's mouth, includes a camera for taking an optical imprint of organs arranged in the mouth. The device includes augmented reality glasses having an optical glass through which a user of the glasses can see the inside of the mouth, and a visualization camera taking an image of what the user sees through the optical glass. First images corresponding to those taken by the visualization camera are correlated with second images corresponding to those taken by the camera for taking an optical imprint, whereby the second images can be projected onto the optical glass. | 12-03-2015 |
20180027159 | OPTICAL COHERENCE TOMOGRAPHY IMAGING SYSTEM | 01-25-2018 |