261 results about "Intraoral scanner" patented technology

The invention provides an oral cavity scanning method, computing equipment and a computer program product. The method comprises the following steps: acquiring first scanning data including three-dimensional data of a scanning rod, an auxiliary feature body and a part of dental arch through an intraoral scanner, and determining a relative position relationship of the scanning rod based on the first scanning data; the method further includes removing three-dimensional data of the scan bar and the auxiliary feature from the first scan data by automated identification, retaining three-dimensional data of a portion of the dental arch, and then acquiring second scan data including the complete dental arch. And synthesizing a three-dimensional image of the oral cavity based on the three-dimensional data of the complete dental arch, the three-dimensional data of the reserved partial dental arch and the relative position relationship of the scanning rods. According to the embodiment of the invention, on the basis of the intraoral scanning technology, the accurate relative position relation between the scanning rods is obtained by using the auxiliary feature bodies, so that the positioning accuracy of the scanning rods is ensured while the scanning process is simplified.

A dental scanning system may include an intraoral scanner and an extraoral imaging device including a color imaging camera couplable in electronic communication with the intraoral scanner. The system may include non-transitory computer readable medium with instructions that, when executed by a processor, cause the system to carry out a method. The method may include capturing 2D image data of a patient's face and teeth with the extraoral imaging device, capturing intraoral 3D image data of a dentition of the patient with the intraoral scanner, generating a 3D model of the patient's teeth based on the intraoral 3D image data, and associating the 2D image data of the patient's face with the 3D model.

An intraoral scanner comprises one or more reconfigurable buttons, a display configured to display at least one of one or more icons or one or more texts associated with the one or more reconfigurable buttons, one or more cameras configured to capture intraoral scan data of at least a part of a dental arch, and a communication module configured to transmit the intraoral scan data to a first computing device.

The invention provides a method and device for displaying oral data, computing equipment and a program product. The method comprises the steps that first oral cavity data are obtained, the first oral cavity data comprise three-dimensional data of a dental arch, and the dental arch comprises teeth to be repaired; acquiring second oral cavity data through the intraoral scanner, wherein the second oral cavity data comprises scanning data of the to-be-repaired teeth subjected to tooth preparation processing; identifying tooth regions in the first oral data and the second oral data, and identifying a tooth position of the tooth to be repaired based on a difference between the tooth regions in the first oral data and the second oral data; combining the first oral cavity data and the second oral cavity data based on the identified tooth position of the tooth to be repaired to obtain updated three-dimensional data of the dental arch; and displaying the updated three-dimensional data of the dental arch. In this way, an automated workflow is provided for efficiently generating an oral cavity model containing both a complete dental arch form and a precise tooth preparation form without the need to manually mark a tooth preparation region, thereby improving the accuracy and convenience of oral cavity scanning.

An intraoral scanner includes a probe housing disposed at a distal end of an elongate wand. The probe housing forms an interior volume. The intraoral scanner further includes a lightguide projector that includes a light source configured to generate light. The light source is disposed in the interior volume. The lightguide structure is configured to receive the light from the light source. The light is to propagate through the lightguide structure via internal reflections. The lightguide projector is configured to cause the light to exit the lightguide structure to illuminate a mouth of a patient.

The invention discloses an oral cavity modeling method, system and device and a nonvolatile storage medium. The method comprises the steps that multiple frames of first scanning data, obtained on the basis of a first condition, of the oral cavity are obtained, and the multiple frames of first scanning data comprise oral cavity morphology three-dimensional data and first mark point three-dimensional data; second scanning data, obtained on the basis of a second condition, of the oral cavity are obtained, and the second scanning data comprise three-dimensional data of a second mark point; and obtaining a target oral cavity model based on the first scanning data and the second scanning data. The technical problems of inaccurate intraoral data and large oral cavity modeling error caused by gingiva deformation and soft tissue jittering during scanning of an intraoral scanner are solved.

A dental scanning system comprises an intraoral scanner and one or more processors. The intraoral scanner comprises one or more light projectors configured to project a pattern (comprising a plurality of pattern features) on a surface of a dental object, and two or more cameras configured to acquire one or more sets of images, wherein each set of images comprises at least one image from each camera, and wherein each image includes at least a portion of the projected pattern. The processors are configured to determine one or more image features within each set of images, solve a correspondence problem within each set of images such that points in 3D space are determined based on the image features, wherein said points form a solution to the correspondence problem, and wherein the correspondence problem is solved for groups of pattern features, and generate a digital 3D representation of the dental object using the solution to the correspondence problem.

The utility model relates to the technical field of dentistry, in particular to a post-core intraoral scanning column, and aims to overcome the defect that an existing scanning column is difficult to position. The scanning column is used for being inserted into a root canal pile way so that an intraoral scanner can scan a root canal with the scanning column, the scanning column comprises a top and a pile part, the top is fixedly connected with the pile part, and a positioning face is arranged on the top and used for positioning the position of the scanning column in the root canal pile way. Compared with the prior art, the utility model has the advantages that the scanning column in the stake core port is matched with the clinical tooth stake channel, and the positioning surface of the scanning column is used for positioning the scanning column, so as to confirm the position information such as orientation and angle of the scanning column in the stake channel, thereby obtaining the information such as diameter and depth of the stake channel according to the position of the scanning column in the stake channel; and the obtained result is more accurate.

The invention belongs to the technical field of optical three-dimensional scanning, and relates to a real-time registration method for high-density point clouds, which comprises the following steps: acquiring two groups of sparse point cloud data generated by three-dimensional scanning in an oral cavity, inputting the point cloud data into a constructed efficient registration model, extracting multi-dimensional feature descriptions of a source point cloud and a target point cloud, and constructing a registration model; the point cloud registration method comprises the following steps of: obtaining a point pair set, calculating a feature distance to form an initial point pair set, performing spatial consistency analysis on the initial point pair set, rejecting outlier pairs to obtain a cluster point pair subset, and finally performing point cloud registration calculation on the cluster point pair subset to complete point cloud registration. The invention further relates to a high-density point cloud real-time registration device, scanning equipment and a storage medium. According to the technical scheme provided by the invention, the registration precision and stability can be improved, and meanwhile, the requirement of the intraoral scanner on the real-time performance is ensured.

Disclosed is a method for monitoring changes in jaw motion over time. A primary relative jaw motion data set and a secondary relative jaw motion data set are obtained using an intraoral scanner. The method further comprises a computer implemented method, where the computer implemented method comprises the steps of, receiving the primary relative jaw motion data set and the secondary relative jaw motion data set; obtaining a model class representing desired and / or regularising properties of articulation; obtaining a primary model parameters by fitting the primary relative jaw motion data set to the model class; obtaining a secondary model parameters by fitting the secondary relative jaw motion data set to the model class; determining monitoring information based on comparing the primary model parameters with the secondary model parameters, and displaying the monitoring information.

The invention belongs to the technical field of edentulous jaw implantation, and discloses an auxiliary scanning and data correction device and method for an edentulous jaw implantation impression, and the device comprises an arc-shaped base plate which is used for being attached to the gum and jaw of an edentulous jaw patient; a slot is formed in the arc-shaped base plate and is used for accommodating a scanning rod on the implant. The data correction method comprises the steps of performing virtual segmentation on composite data according to the number of scanning rods to obtain segmented composite data fragments corresponding to the number of the scanning rods; according to the serial number of the device, finding correction standard data of the device, and correcting the segmented composite data fragments to obtain a corrected scanning model; and performing implantation treatment on an edentulous jaw patient under the assistance of the corrected scanning model. The data correction method can be based on matched AI auxiliary correction software, an oral scanner with a correction function or dental design software, the accuracy of scanning data is improved, and recognition, capture, splicing and later data correction during scanning of the intraoral scanner are facilitated.

An image processing apparatus is disclosed. The image processing apparatus includes a communicator configured to transmit or receive information to or from an intraoral scanner, a memory storing one or more instructions, and a processor configured to execute the one or more instructions stored in the memory to identify an oral image obtainment mode based on tip information about a tip included in the intraoral scanner, and obtain an oral image based on two-dimensional image data received from the intraoral scanner through the communicator and the identified oral image obtainment mode, wherein the tip information may include at least one of tip fastening direction information and tip size information.

Apparatuses, including sleeves, intraoral scanning systems to use these sleeves, and methods of using the sleeve, that authenticate the sleeve for use with an intraoral scanning system. Authentication may include verifying that the sleeve is new (unused) and / or verifying that the sleeve is appropriate and / or intended for use with the intraoral scanning system. Once authenticated, operation parameters of the intraoral scanning system can be automatically set based on information from a scanned identifier on the sleeve.

An intraoral scanner includes a probe housing disposed at a distal end of an elongate wand. The intraoral scanner further includes a window structure coupled to the probe housing. The window structure and the probe housing form an interior volume. The window structure has a concave transverse cross section. The intraoral scanner further includes optical components disposed within the interior volume. The optical components include a first camera having a first orientation and a second camera having a second orientation that is different than the first orientation. The first camera and the second camera are to capture images of dental sites.

Methods and apparatuses (including devices and systems, such as intraoral scanners and software) for analyzing images of a subject's teeth. In some examples these methods may include examining the same teeth or tooth regions across different times and / or different imaging modalities, including but not limited to visible light, infrared, florescent, etc. Also described herein are methods and apparatuses for using a single, master, control for automatically or semi-automatically simultaneously adjusting multiple imaging parameters across multiple images of a region taken with different imaging modalities and / or at different times.

There is provided a method performed by an electronic device, the method including generating a three-dimensional image of an object based on a two-dimensional image set of the object obtained from an intraoral scanner, the object including a plurality of unit objects, based on a user's selection for a first point of the three-dimensional image, extracting a first color information set corresponding to a first region including the first point, using an artificial intelligence model configured to output a color similarity based on an input of the first color information set, and determining representative color information of a first unit object corresponding to the first point based on a magnitude of the color similarity.

A method of intraoral scanning includes receiving a first one or more intraoral scans of a patient's oral cavity; automatically determining, based on processing of the first one or more intraoral scans, a first scanning role associated with the first one or more intraoral scans, wherein the first scanning role is a first one of an upper dental arch role, a lower dental arch role or a bite role; and determining a first three-dimensional surface associated with the first scanning role.

An intraoral scanner comprises a first light source configured to generate first light that is monochromatic, a second light source configured to generate second light that is multichromatic, a third light source configured to generate third light. The intraoral scanner further comprises a mirror configured to direct at least the first light and the second light onto teeth of a patient, and to redirect first returning light, second returning light, and third returning light returning from the teeth to one or more sensors, wherein first returning light is associated with the first light, the second returning light is associated with the second light, and the third returning light is associated with the third light. The scanner further comprises the one or more sensors configured to perform hyperspectral imaging of the teeth based on at least one of the first returning light, the second returning light, or the third returning light.

A system for scanning a dentition may include an intraoral scanner, a processor, and memory storing instructions that when executed by the one or more processors may cause the system to receive point cloud data of a patient's detention, and generate a plurality of possible models of the patient's dentition based on the received point cloud data by manipulating an aspect of the point cloud data multiple times, for each manipulation of the point cloud data, generating a possible model of the patient's dentition to generate the plurality of possible models of the patient's dentition and determine a position variance between positions of respective dental features of the patient's detention between each of the possible models of the of the patient's dentition. The system may also output a depiction of the scanned location on the patient's detention based the measured range of possible models.

Disclosed are an intraoral scanner and a method for obtaining image data therefrom. According to the intraoral scanner and method for obtaining image data therefrom according to the present invention, intraoral scanning can be performed using a mono sensor instead of a color sensor and R / G / B color light instead of white light.

An intraoral scanner includes a probe housing disposed at a distal end of an elongate wand. The intraoral scanner further includes a window structure coupled to the probe housing. The window structure and the probe housing form an interior volume. The window structure has a concave transverse cross section. The intraoral scanner further includes optical components disposed within the interior volume. The optical components include a first camera having a first orientation and a second camera having a second orientation that is different than the first orientation. The first camera and the second camera are to capture images of dental sites.

A system comprises an intraoral scanner, a three-dimensional (3D) image capture device, and a computing device operatively coupled to the intraoral scanner and to the 3D image capture device. The computing device receives intraoral scan data of a dental site of a patient generated by the intraoral scanner during intraoral scanning. The computing device further receives one or more 3D images of a face of the patient generated by the 3D image capture device during the intraoral scanning, wherein the intraoral scanner is captured in the one or more 3D images. The computing device registers the one or more 3D images of the face of the patient to the first intraoral scan data based at least in part on a first position of the intraoral scanner relative to the face of the patient in the one or more 3D images.

An intraoral scanner includes a probe with a sensing face, patterned light sources that are coupled to the probe, un-patterned light sources coupled to the probe, near infrared (NIR) light sources couple to the probe, cameras coupled to the probe, and a processing device coupled to the probe. The processing device is configured to control an operation of the patterned light sources, the un-patterned light sources, and the NIR light sources.

The invention provides an oral cavity scanning method, computing equipment and a computer program product. The method comprises the following steps: acquiring first scanning data including three-dimensional data of a scanning rod, an auxiliary feature body and a part of dental arch through an intraoral scanner, and determining a relative position relationship of the scanning rod based on the first scanning data; the method further includes removing three-dimensional data of the scan bar and the auxiliary feature from the first scan data by automated identification, retaining three-dimensional data of a portion of the dental arch, and then acquiring second scan data including the complete dental arch. And synthesizing a three-dimensional image of the oral cavity based on the three-dimensional data of the complete dental arch, the three-dimensional data of the reserved partial dental arch and the relative position relationship of the scanning rods. According to the embodiment of the invention, on the basis of the intraoral scanning technology, the accurate relative position relation between the scanning rods is obtained by using the auxiliary feature bodies, so that the positioning accuracy of the scanning rods is ensured while the scanning process is simplified.

An intraoral scanner system includes an intraoral scanner having an imaging device and a sensing face, and a computing device, communicatively coupled to the intraoral scanner. The computing device receives a first intraoral images of a three-dimensional intraoral object of a patient generated by the intraoral scanner corresponding to an intraoral scanning of the three-dimensional intraoral object of the patient. The computing device registers a first intraoral image of the first intraoral images relative to a second intraoral image of the first intraoral images using a model of the three-dimensional intraoral object that existed prior to the intraoral scanning.

An intraoral scanner having a tomographic imaging function includes an OCT body configured to obtain an internal cross-sectional image of an oral structure; an OCT scan probe configured to irradiate the layer measurement light emitted from the OCT body onto the oral structure and transfer the reflected light to the OCT body; and a control / processing unit configured to control the OCT body, take a tomographic image of the oral structure, obtain two or more two-dimensional cross-sectional images, extract an internal crack area for the respective two-dimensional cross-sectional images, calculate cross-sectional position information of the internal crack, then arrange the position information of the internal crack obtained from the respective two-dimensional cross-sectional images in positions where the respective two-dimensional cross-sectional images have been obtained, and obtain three-dimensional shape information of the internal crack.

An intraoral scanning system (102) includes a handheld intraoral scanner (104), a processor (106), and a continuous volumetric ML model (108) for generating a 3D internal geometry (120) of a tooth (306). The intraoral scanner includes a sensor (214D) for detecting NIR and visible light. The processor receives the visible light and NIR information from the sensor, generates a 3D surface model (118) of the tooth using the visible light information, and determines input parameters of a continuous volume ML model by capturing a 2D NIR image (114) of an interior region of the tooth from the NIR information. Each NIR image contains pixels (722) having a projection object. The input parameters include spatial position and viewing angle, and the projected object contains point coordinates (726, 732). The continuous volume ML model processes the input parameters to determine intensity and density values for pixels in the 3D internal geometry of the 3D surface model.

The present disclosure relates to an optical system for an intraoral scanner, comprising: at least one projector unit comprising: a light source for generating light; a pattern generating element configured to generate a pattern of light to be projected onto the object surface; and one or more projector focusing lenses for focusing the pattern of light, wherein the projector focusing lenses define a projector optical axis; and an aperture having a predetermined size. The optical system further comprises one or more camera units, each camera unit comprising: an image sensor for acquiring one or more images wherein the image sensor has a resolution of at least 250,000 pixels; and one or more camera focusing lenses for focusing light received from the object surface onto the image sensor, wherein the camera focusing lenses define a projector optical axis; wherein the projector optical axis is not parallel to the camera focusing lens. The present disclosure also relates to an intraoral scanner comprising such an optical system.

An intraoral scanner includes a probe housing disposed at a distal end of an elongate stem. The intraoral scanner also includes a window structure coupled to the probe housing. The window structure and the probe housing form an interior volume. The window structure has a concave cross-section. The intraoral scanner also includes an optical assembly disposed within the interior volume. The optical assembly includes a first camera having a first orientation and a second camera having a second orientation different from the first orientation. The first camera and the second camera are used to capture images of a dental site.

A system comprising an intraoral scanner configured to generate scan data of a dental arch of a patient, and a computing device operatively coupled to the intraoral scanner, the computing device to provide oral health prognosis. In some cases, the computing device can receive the scan data. The computing device can provide the scan data as input to an artificial intelligence (AI) model trained to output a value indicating a predicted dental condition. The computing device can provide, to a user device, an indication of the predicted dental condition based on the output provided by the AI model.