158 results about "Intraoral scanner" patented technology

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 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.

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.

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.

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 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.

The present disclosure relates to a system and method for improving or refining the accuracy and / or level of detail of a 3D surface based on pixel data from a set of images, such as color data of pixels. In particular, the present disclosure relates to a 3D scanner system comprising an intraoral 3D scanner, comprising: a projector unit comprising a light source and a pattern generating element for structuring light from the light source into a pattern to be projected onto a surface of an object; and two or more cameras configured to acquire a set of images, where the set of images includes images from each camera, where each image includes an array of pixels, each pixel having a pixel color; the scanner system further includes one or more processors operatively connected to the intraoral 3D scanner configured to: generate a three-dimensional (3D) surface of the object based on the set of images obtained from the camera, where the 3D surface includes a plurality of points and / or vertices; and generating a refined 3D surface by solving the optimization problem wherein points and / or vertices in the 3D surface are relocated such that for each point or vertex, a measure based on differences in pixel colors associated with that point or vertex will be minimized.

The invention discloses a personalized complete denture precise manufacturing method based on a multi-modal digital technology, and relates to the technical field of oral restoration engineering and digital medical treatment. According to the method, firstly, three-modal data acquisition of oral soft tissue, facial aesthetics and alveolar bone anatomy is completed through an intraoral scanner, surface scanning equipment and CBCT; performing precise registration through an ICP algorithm to generate an integrated model; a virtual jaw frame and intelligent tooth arrangement software are combined to complete personalized design; for special cases, a transition / temporary denture and a biocompatibility tissue regulator are adopted to realize dynamic adaptation; and finally, completing false tooth manufacturing and verification through 3D printing or five-axis cutting. The method solves the problems that a traditional method is low in precision, weak in special case treatment and the like, achieves anatomy-function-aesthetics synergistic repair of the false tooth, and has the advantages of being high in adaptation degree, short in period and less in revival.

Artificial Intelligence Enabled Intraoral Scanner Docking and Hygiene Management Unit

In embodiments set forth herein, an intraoral scanner comprises a body, and a probe at one end of the body, the probe comprising a scanner head. The intraoral scanner further comprises a wireless communication module disposed within the body, and one or more optical sensor to receive light that enters the scanner head and generate intraoral scan data based on the light, wherein the wireless communication module is to wirelessly send the intraoral scan data to a computing device. The intraoral scanner further comprises a primary power source disposed within the body, wherein the primary power source comprises at least one of a long distance wireless power transfer (LDWPT) receiver or a replaceable battery. The intraoral scanner further comprises a secondary power source disposed within the body, wherein the secondary power source comprises at least one of a rechargeable battery or a capacitor.

Apparatuses (e.g., systems, devices, etc.) and method for scanning both a subject's face as well as the subject's intra oral cavity to provide two-dimensional (2D) and / or three dimensional (3D) data that may be subsequently used in prosthodontic and orthodontic procedures, including smile planning (e.g., designing or modifying a subject's overall smile or facial aesthetics).

1. The name of the design product: calibration cylinder (UP610). 2. The use of the design product: for intraoral scanner calibration device. 3. The design features of the design product: in the combination of shape and pattern. 4. The picture or photo that best indicates the design features: perspective view 1.

1. The name of the design product: intraoral scanner and its main body. 2. The use of the design product: design 1 is the main body of the intraoral scanner for collecting data information and obtaining three-dimensional topographic data of the oral cavity or tooth model; design 2 is the intraoral scanner for collecting data information and obtaining three-dimensional topographic data of the oral cavity or tooth model. 3. The design points of the design product: the design points of design 1 are the shape of the main body of the intraoral scanner; the design points of design 2 are the combination of shape and color of the intraoral scanner. 4. The picture or photo that best indicates the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design. 6. Other circumstances that need to be explained: design 1 is a partial design application, and the dotted part is the design content that does not need protection; design 2 requests protection of color.

A processing device of a system makes a comparison between a current image of an oral cavity of a patient and one or more previously received images of the oral cavity of the patient, the current image and the one or more previously received images having been generated by an intraoral scanner. The processing device determines an amount of overlap between a current field of view of the intraoral scanner and topography scans of the oral cavity based on the comparison. The processing device outputs a warning indicator associated with a positioning of the current field of view of the intraoral scanner responsive to determining that the amount of overlap fails to meet or exceed an overlap threshold.

An intraoral scanner includes a projector unit configured to emit light at least onto a dental object of a patient; an image sensor configured to acquire reflected light from at least the dental object; a battery for powering the intraoral scanner; a processor unit configured to process the reflected light into one or more 2D images and / or 3D images; a wireless interface configured to communicate with an external device the one or more 2D images and / or 3D images, a motion sensor configured to sense a motion of the intraoral scanner; a timer unit; and a power management unit configured to reduce the power consumption of the intraoral scanner based on a motion signal provided by the motion sensor and a timer signal provided by the timer unit.Buchanan

Disclosed is an intraoral scanning system that includes a housing and a sleeve. The housing includes optical components, a head, and a defogging unit that includes a heating unit. The head includes a primary aperture and is configured to be inserted into an oral cavity of a patient. The sleeve includes a secondary optical component arranged at a secondary aperture that is configured to be positioned in alignment with the primary aperture when the sleeve is coupled with the housing. The heating unit is configured to generate heat in response to application of electrical power to the heating unit. When the sleeve is coupled with the housing, the secondary optical component is configured to be arranged such that the generated heat is transferred from the heating unit to the secondary optical component through thermal conduction between the heating unit and secondary optical component.

An intraoral scanning system (100), a method (300), and a device (800) for automatic identification of region(s) of interest in a 3D representation of an oral cavity. The method (300) comprises obtaining, using an intraoral scanner, a point cloud representing a 3D geometric surface of an oral cavity (310); identifying, based on the point cloud, at least one region of interest on the 3D geometric surface of the oral cavity (320); and displaying the 3D geometric surface of the oral cavity with the at least one region of interest highlighted or marked (330).

Embodiments can relate to an intraoral scanner including a projector unit configured to emit light at least onto a dental object of a patient, and an image sensor configured to acquire reflected light from at least the dental object. The scanner includes a wireless interface configured to communicate with an external device, where the communication may include 2D image data and / or 3D image data processed or raw. The scanner includes a housing accommodating the projector unit and the image sensor, and wherein the housing includes a first end and a second end, and the projector unit and the image sensor are arranged closer to the first end, and an antenna of the wireless interface is arranged closer to the second end, and wherein during a scan of an oral cavity the first end is located inside the oral cavity and the second end is not located within the oral cavity.

This utility model discloses a digital dental 3D-printed titanium framework, comprising a pure titanium frame, a support mechanism and an occlusal mechanism on the pure titanium frame, the support mechanism including an upper support rod and a lower support rod, the top of the upper support rod being fixedly connected to a bone contact surface, the bone contact surface having multiple first micropores, multiple embedded protrusions at the outer edge of the bone contact surface, and first positioning markers on the bone contact surface, and multiple triangular support components between the upper and lower support rods, the triangular support components including a first support rod and a second support rod, belonging to the field of medical device technology. This digital dental 3D-printed titanium framework acquires three-dimensional data of the patient's teeth and jaws through an intraoral scanner, uses selective laser melting equipment, and selects medical-grade Ti-6Al-4V ELI alloy powder as the printing material, effectively improving accuracy, shortening the processing cycle, reducing weight, improving osseointegration efficiency, and reducing costs.

An intraoral scanning assembly comprising a handheld intraoral scanner and a control mechanism comprising a computer (13), the control mechanism comprising a control console (3), the computer (13) being disposed inside the control console (3), a cooling opening (16) being provided at an upper portion of the control console (3), and a rear portion (32) and a top portion (33) of the control console (3) smoothly joining each other without forming any sharp corners to form a smoothly curved inner surface joining the rear portion (32) and the top portion (33).

A method may include obtaining a first 3D model of an upper jaw of a patient using an intraoral scanner and obtaining a second 3D model of the lower jaw of the patient using the intraoral scanner. The method may also include capturing a series of 2D images of the upper and lower jaws of the patient as the patient is moves the upper jaw and lower jaw in dynamic occlusion and processing the captured series of 2D images to identify features associated with the upper jaw of the patient and the lower jaw of the patient. For each 2D image in the captured series of 2D images, the method may include identifying a relative position of the first 3D model and the second 3D model based on alignment of features in the first 3D model and second 3D model with the features identified in the 2D image to generate a series of relative positions of the first 3D model and the second 3D model. The method may also include modeling dynamic occlusion of the upper jaw and the lower jaw of the patient based on the series of relative positions of the first 3D model and the second 3D model.

The application is suitable for the field of data processing, and provides an intraoral texture mapping method, device and equipment, wherein the method comprises the following steps: acquiring a multi-view image sequence collected by an intraoral scanner and camera parameters corresponding to each view image; for each triangular facet in a three-dimensional mesh model, screening qualified views capable of observing the current facet from the multi-view image sequence; based on the screened qualified views, constructing a candidate texture color set for each triangular facet; decomposing the candidate texture color set through a low-rank sparse decomposition model, eliminating abnormal color values in the candidate texture color set, and obtaining a reference color of each triangular facet; determining a target source view for each triangular facet from the qualified views according to the reference color and a view quality parameter; and performing texture mapping on the three-dimensional mesh model according to the target source views of all the triangular facets. The scheme effectively ensures the real-time effectiveness of texture mapping processing and the model reconstruction effect.

Disclosed is a task management method for generating an intraoral model. The task management method comprises the steps of: performing a first task of acquiring scan data including a plurality of scan frames for an oral structure; performing a second task of acquiring the pose of an intraoral scanner on the basis of the plurality of scan frames; performing a third task of generating a 3D model representing the oral structure on the basis of the plurality of scan frames and the pose of the intraoral scanner; and performing a fourth task of optimizing the 3D model, wherein the third task and the fourth task may be performed in parallel or sequentially.

A method is provided. The method includes collecting surface information of teeth through a sensor and a tip of an intraoral scanner. The method also includes detecting an overlap between a first area and a second area based on the surface information. The first area indicates a field of view of the sensor through the tip for collecting the surface information. The second area indicates a field of view of the tip for collecting the surface information. The method further includes adjusting the first area relative to the second area. A device implementing the method is also disclosed.

The invention is suitable for the field of data processing, and provides an intraoral texture mapping method, device and equipment, and the method comprises the steps: obtaining a multi-view image sequence collected by an intraoral scanner and camera parameters corresponding to each view image; for each triangular patch in the three-dimensional mesh model, screening out a qualified view capable of observing the current patch from the multi-view image sequence; constructing a candidate texture color set for each triangular patch based on the screened qualified views; decomposing the candidate texture color set through a low-rank sparse decomposition model, and removing abnormal color values in the candidate texture color set to obtain a reference color of each triangular patch; determining a target source view from the qualified views for each triangular patch according to the reference color and the view angle quality parameters; and performing texture mapping on the three-dimensional mesh model according to the target source views of all the triangular patches. According to the scheme, the real-time effectiveness of texture mapping processing and the model reconstruction effect are effectively ensured.