86 results about "Dental scanning" patented technology

The present disclosure relates to systems and methods for generating a digital representation of a three-dimensional (3D) object. In particular, the disclosure relates to a dental scanning system for acquiring images of the object and for generating the digital representation of the object. One embodiment relates to a dental scanning system for scanning a dental object, comprising an intraoral 3D scanning device comprising at least one projector unit configured to project a light pattern along a projector optical axis, the light pattern comprising a plurality of pattern features; one or more cameras having at least partly overlapping fields of view along different camera optical axes (and along the projector optical axis), each of the cameras comprising an image sensor, wherein the system further comprises one or more processors configured to generate a digital three-dimensional representation of the dental object based on triangulation.

The present disclosure relates to systems and methods for generating a digital representation of a three-dimensional (3D) object. In particular, the disclosure relates to a dental scanning system for acquiring images of the object and for generating the digital representation of the object. One embodiment relates to a dental scanning system for scanning a dental object, comprising an intraoral 3D scanning device comprising at least one projector unit configured to project a light pattern along a projector optical axis, the light pattern comprising a plurality of pattern features; one or more cameras having at least partly overlapping fields of view along different camera optical axes (and along the projector optical axis), each of the cameras comprising an image sensor, wherein the system further comprises one or more processors configured to generate a digital three-dimensional representation of the dental object based on triangulation.

According to an embodiment, a dental scanning system and a computer implemented method of generating a training set for a machine learning model are disclosed. According to a further embodiment, a dental scanning system and a computer implemented method for providing a diagnostic data set of a patient are disclosed.

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 discloses dental scanning equipment with a variable focal length, and relates to the technical field of radiodiagnosis equipment. The dental scanning equipment with the variable focal length comprises a telescopic assembly, the telescopic assembly comprises a first sliding sleeve plate and a fixed sleeve plate; the first sliding sleeve plate is arranged in the fixed sleeve plate in a sliding and sleeved mode in the first direction. The first direction is parallel to the length direction of the telescopic assembly; a driving assembly is arranged in the telescopic assembly and at least used for driving the first sliding sleeve plate to slide in the first direction. The telescopic assembly and the driving assembly are arranged between the bulb tube and the detector, so that the distance between the bulb tube and the detector is adjustable, the distance between the small bulb tube and the detector can be adjusted during oral cavity scanning, and the distance between the large bulb tube and the detector can be adjusted during head scanning.

The invention relates to a dental scanning rod and a dental scanning system. The scanning rod dental apparatus comprises: an attachment part (100) configured to attach a scanning rod to an implant or an implant abutment located in an oral cavity; and a scanning portion (200) comprising an elongated body extending laterally from the attachment portion (100), the elongated body comprising a length direction and a width direction, and comprising a top surface (202) comprising a plurality of identification surfaces that assist in scanning when scanning the scan bar with the scanning device, and a bottom surface (204) opposite the top surface (202); wherein the scanning portion (200) comprises at least one boss and / or recess (410, 420) protruding and / or recessed from the top surface (202), the boss and / or recess (410, 420) being shaped in the shape of a pyramid or frustopyramid and the projection of each conical surface of the pyramid or frustopyramid on the top surface (202) forming an identification surface.

The present disclosure provides methods and system for generating a panoramic intraoral presentation, comprising: providing intraoral video or images; analyzing the video or images; stitching the videos or images, and; presenting the panoramic intraoral presentation, wherein at least at least part of the gingival is visible.

Updating and / or optimizing a dental treatment plan can include obtaining a first tooth geometry from a first dental scan. The methods and apparatuses described herein may also include obtaining a second tooth geometry from a second dental scan performed subsequent to the first dental scan. Tooth geometry features from both dental scans may be used to determine corresponding (matching) teeth. Determined positions of the matching teeth can enable treatment plan updating and / or optimizing.

To provide a dental X-ray imaging system for a computed tomography (CT) dental X-ray imaging of an object.SOLUTION: The system comprises: a dental X-ray imaging unit comprising an X-ray source part, an X-ray imaging detector part and a gantry part; and a control system. The control system is configured to: receive a scan request comprising an indication of a region of interest (ROI); control the dental X-ray imaging unit to acquire two X-ray scout images of the object; detect a target structure of the object from the two X-ray scout images associated with the ROI by applying a trained detection model for the X-ray scout images; define field-of-view data of the dental X-ray imaging unit at least partially based on the detected target structure; and control the parts of the dental X-ray imaging unit to implement the defined FOV data for a CT scan of the object in order to acquire dental CT X-ray image data of the object.SELECTED DRAWING: Figure 1

Described herein are systems and methods for evaluating progress of a dental treatment plan of a subject, comprising: (a) providing a dental scan of the subject; (b) providing an intraoral model; (c) comparing the dental scan to the intraoral model, thereby obtaining an amount of deviation of an intraoral landmark in the dental scan from a target configuration of the intraoral landmark in the intraoral model; and (d) determining whether the user is on track with a stage of a dental treatment plan based on the amount of deviation.

Apparatuses and methods for confocal 3D scanning are described herein. The apparatuses can include a spatial pattern disposed on a transparent substrate and a light source configured to provide illumination to the spatial pattern and an optical system including projection / imaging optics having one or more lenses and an optical axis. The projection / imaging optics can be scanned to provide a depth scan by moving along the optical axis.

Dental scanning accessory for use with implant abutments during intraoral digital impressions.

1. The name of the design product: scanning rod. 2. The use of the design product: the design product is used for dental scanner scanning. 3. The design points of the design product: in shape. 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.

A method for optical intraoral imaging of oral anatomical structures via an intraoral scanner, the method comprising providing initial data related to the oral anatomical structures and / or the intraoral scanner, using the initial data to calculate the number of intraoral images to be captured via the intraoral scanner, obtaining the number of intraoral images at a given location in the oral anatomical structure via the intraoral scanner, and rendering a two-dimensional intraoral image that is more optimally exposed from at least one of the obtained intraoral images and the initial data, or from a plurality of the obtained intraoral images. The present teachings also relate to a system, a dental scanner, a software product, a use, and a storage medium.

Disclosed are example embodiments of methods and systems for identifying and quantifying manufacturing defects of a manufactured dental prosthesis. Certain embodiments of the system for performing quality control on manufactured dental prostheses includes: a quality control module configured to determine whether the dental prosthesis is a good or a defective product based at least on a differences model generated by comparing a design model and a scanned model of the manufactured dental prosthesis.

1. The name of this design product: dental scanning arm. 2. Purpose of this design product: as an auxiliary tool for intraoral scanning. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic Drawing 1. 5. Designate Design 1 as the base design. 6. Other situations that require explanation: Part A in the three-dimensional diagram 1 of design 1, Part B in the three-dimensional diagram 1 of design 2, Part C in the three-dimensional diagram 1 of design 3, Part D in the three-dimensional diagram 1 of design 4, and Part E in the three-dimensional diagram 1 of design 5 are through holes that pass through directly to the bottom of the product.

A muscle movement information-containing intraoral scanning data accurate acquisition method comprises the following steps: S1, collecting a single-frame texture map including an intraoral photo or a dental scanning image, marking an attached gum boundary by using a dental professional, creating a ground truth segmentation map, and performing creation and training of an attached gum area automatic segmentation model after performing variant on U-Net; s2, generating edge line data by utilizing Poi ntNet + + based on gypsum model scanning and artificially described edge lines, and creating and training an automatic edge line generation model; the model aims at automatically generating accurate edge lines for the intraoral scanning data obtained in the step S4 and guiding manufacturing of the movable restoration; s3, dynamically recording three-dimensional form information of intraoral muscles of the user in a motion state; s4, the obtained dynamic data and conventional static oral scanning data are guided by mark points to be elastically registered, and an intraoral data sequence with the complete form is obtained.According to the method, the implementation scheme that oral scanning is used for replacing impression taking can be achieved.

The invention discloses a stable cart special for a dental scanner, and relates to the technical field of medical auxiliary instruments, the stable cart comprises an object placing plate, a controller and a fixing assembly, the fixing assembly is connected with the controller through a signal line, the controller is installed on the upper side of the outer wall of the object placing plate, and the fixing assembly is installed on the left side of the outer wall of the controller. The fixing assembly comprises a weight sensor, a sensing unit, a first push rod, a rotating gear, a clamping plate and a fixing motor, the weight sensor, the sensing unit and the fixing motor are connected with the controller through signal lines, and the first push rod is connected with the fixing motor through the rotating gear. By installing the fixing assembly, the function of fixing the dental scanner is achieved, the problems of equipment sliding damage, equipment abrasion and negligence of medical staff are solved, the risk of manual operation errors can be reduced, the operation efficiency is improved, the service life of the equipment is prolonged, and the requirement for temporary placement of the equipment is met.

The invention discloses a trolley for a dental scanner, and relates to the technical field of medical auxiliary instruments, the trolley comprises a trolley main body and a protective assembly, and the protective assembly is arranged on the trolley main body; the protection assembly comprises a protection baffle, a protection side plate and a movable baffle. The scanner is protected by installing the protection assembly, a comprehensive protection barrier is provided for the scanner by arranging the protection baffle, the protection side plates and the movable baffle around the scanner, the problem that the scanner is likely to be collided and damaged when the trolley is moved is solved, and the safety of the whole equipment is improved.

The decorative design of the dental scanner is shown in the diagrams and descriptions. In Figure 4.7, the area labeled "D" is a through-hole that extends to the bottom of the product. The arrows and letters in the aforementioned diagrams do not constitute part of the design for which registration is sought. 4.1) Front view; 4.2) Rear view; 4.3) Left side view; 4.4) Right side view; 4.5) Top view; 4.6) Bottom view; 4.7) Reference diagram; 4.8) Perspective view

Example dental scanning methods for analyzing jaws of a patient involve taking multiple radiographic scans of the jaws, and / or models thereof, and then applying digital image analytics to shift the image of one scan to match that of another. The resulting properly scaled and shifted image serves as a virtual 3D jaw model that can be manipulated and analyzed to aid in various orthodontic and other dental treatments.

Described herein is a system (100) for performing extra-oral scanning of a scan object (200). The system (100) comprises a projecting means (102), a first visual recording means (104), a processor (114), and a display (116). The projecting means (102) is configured to project a pattern (108) onto the scan object (200). The first visual recording means (104) is configured to obtain surface scan data based on the position and orientation of the scan object (200) relative to the pattern (108). The first visual recording means (104) is configured to obtain surface scan data while the scan object (200) is moved through six degrees of freedom. The processor (114) generates a 3D model based on the obtained surface scan data. The display (116) is configured to display the generated 3D model. A device (101) for and method (300) of scanning of a scan object (200) are also described.

Dental scanning accessory for use with implant abutments during intraoral digital impressions.

Dental scanning accessory for use with implant abutments during intraoral digital impressions.

A dental imaging systems provides multiple dental imaging functions, including digital x-ray, 3D dental scanning, and intraoral imaging. The system includes imaging trays that can be inserted into the mouth and positioned around the teeth. Each imaging tray has exterior and interior sidewalls connected by a floor. One or more imaging sensors are mounted on the sidewalls and can sense x-ray radiation, visible light, ultraviolet light, and infrared light. The imaging trays are designed to interface with an umbilical, which contains cables for transmitting power, data, and light. A workstation communicates with the imaging trays via the umbilical. The dental imaging system is capable of performing digital x-ray imaging, 3D dental scanning, and intraoral imaging, providing improved speed and patient comfort.

The decorative design of the dental scanner is shown in the diagrams and descriptions. In Figure 5.7, the area indicated as "E" is a through-hole that extends to the bottom of the product. The arrows and letters in the aforementioned diagrams do not constitute part of the design for which registration is sought. 5.1) Front view; 5.2) Rear view; 5.3) Left side view; 5.4) Right side view; 5.5) Top view; 5.6) Bottom view; 5.7) Reference diagram; 5.8) Perspective view

The present invention provides a method for providing an orthodontic status and orthodontic treatment evaluation information based on dental scan data of a patient, implemented in a computing device including one or more processors and one or more memories storing instructions executable by the processors. The method is characterized by comprising: an initial image acquisition step of, when first dental scan data, which is three-dimensional scan data acquired by photographing the patient's head, is received, acquiring a first dental image, which is an image of the patient's teeth arrangement, on the basis of the received first dental scan data; a correction image acquisition step of, when the acquisition of the first dental image is completed, confirming a teeth arrangement status based on the first dental image through a pre-stored algorithm, and acquiring treatment solution information for correcting the teeth arrangement based on the confirmed teeth arrangement state, wherein acquired is a second dental image, which is an image of predicted teeth arrangement upon completion of the correction based on the acquired treatment solution information; an orthodontic appliance design creation step of, when the acquisition of the second dental image is completed, creating a design of a transparent orthodontic appliance for correcting the patient's teeth arrangement into a teeth arrangement corresponding to the second dental image; an intermediate image acquisition step of, in the process of correcting the patient's teeth arrangement as the patient has on the transparent orthodontic appliance based on the created design, when second dental scan data, which is new three-dimensional scan data, is received, acquiring a third dental image, which is an image of the patient's teeth arrangement being corrected, on the basis of the received second dental scan data; and an orthodontic status information provision step of, when the acquisition of the third dental image is completed, acquiring teeth movement vector information of the patient through the first dental image, the second dental image, and the third dental image, and generating orthodontic status information for orthodontic treatment of the patient on the basis of the acquired teeth movement vector information and providing same to a medical personnel account.

The present invention relates to a method for processing "black triangles" in tooth segmentation based on AI dental scanning and tooth segmentation: S1: obtaining main tooth mesh data; S2: obtaining the maximum connected domain mesh of the S1 mesh data; S3: obtaining a circle of point set data on each tooth position automatically identified by AI tooth segmentation; S4: sequentially determining whether each tooth position in S3 is normal; S5: locating key points at the edges of two tooth positions; S6: obtaining a hole-filling point set for the black triangle area of the two abnormal tooth positions based on the four key points of the two tooth positions; S7: triangulating the obtained hole-filling point set of the black triangle area to obtain a facet of the black triangle area; S8: combining the facet in S7 with the facet after segmentation as the final tooth segmentation mesh. The method can automatically perform tooth segmentation and process the "black triangle" problem. The automated operation has high efficiency and is not limited by skill level. It is highly accurate and generates an accurate restoration plan. The digital processing ensures the accuracy and quality of the restoration.