56 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 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.

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.

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.

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 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

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.

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.

A dental scanning system includes an illumination unit including a light source configured to illuminate the dental object; a detector unit including a sensor configured to receive a plurality of two-dimensional images in response to the illumination of the dental object; a processor configured to generate a processed data by processing one or more of the plurality of two-dimensional images, wherein a three-dimensional digital representation of the dental object is generated based on the processed data; a wireless network unit configured to wirelessly connect the dental scanning system to a network comprising a plurality of network elements including at least one network element configured to receive the processed data; and a network operation module including a session module configured to establish the scanning session by operationally connecting, via the wireless network unit, the dental scanning system with one or more network elements.

The invention discloses a large-view CBCT radiation source module independent adjusting device, and belongs to the technical field of dental scanning, the large-view CBCT radiation source module independent adjusting device comprises a rack body, a radiation source module and a detector module, the radiation source module and the detector module are close to the two sides of the x-axis direction of the rack body respectively, the radiation source module comprises a radiation source frame body and a radiation source body, and the radiation source frame body is connected with the radiation source body. The radiation source frame body is provided with a horizontal rotating mechanism for driving the radiation source body to rotate around the vertical direction; the detector module comprises a detection frame body and a detector body, and the detection frame body is provided with a horizontal movement mechanism used for driving the detector body to move in the y-axis direction. According to the invention, a larger imaging field of view can be realized in a small space, and the applicability is improved.

The Advanced Electromagnetic Spectrum Intraoral Digital Ecosystem (AESIDE) revolutionizes dental scanning technology with its shape-memory polymer tray 10, embedded multi-spectral micro-cameras 18, and real-time AI processing. NIR, MIR, and THz imaging provide comprehensive intraoral views, while secure wireless connectivity and cloud integration enable collaborative treatment planning among dental professionals. Augmented reality enhances user interaction, and environmental features include biodegradable tray sleeves and self-sterilizing technology, ensuring hygiene and sustainability.

The utility model discloses a multifunctional dental scanning body and relates to the technical field of medical equipment. The oral cavity expanding device comprises a grab handle, a mounting rod is arranged at the right end of the grab handle, a collecting camera used for shooting teeth is arranged at the end of the mounting rod, an expanding and supporting assembly used for supporting the oral cavity wall is arranged on the surface of the mounting rod, a partition plate is fixedly connected to the inner wall of the mounting rod, and the partition plate is fixedly connected to the right end of the grab handle. A driving assembly used for controlling operation of the expanding assembly is arranged on the surface of the grab handle, the expanding assembly comprises a worm, the worm is rotationally connected with the inner wall of the mounting rod, a lead screw is rotationally connected between the partition plate and the inner wall of the mounting rod, and the surface of the lead screw is fixedly sleeved with a worm wheel. In the use process, the effect of automatically supporting and expanding the inner wall of the oral cavity is achieved, other tools are not needed for expanding, the situation that shooting is blocked by the inner wall of the oral cavity is avoided, and the obtained tooth image is more comprehensive and clearer.

The utility model relates to the technical field of dental scanning, in particular to a large-span implant scanning auxiliary rod which comprises a rod body, a main body is of a cylindrical structure and is provided with one geometry or a plurality of geometries, the geometries are used as identification bodies to enhance identification characteristics, and each geometry is connected with the cylindrical rod structure through a concave transition structure; and the connecting structure is used for fixing the rod body to the connecting port of the scanning rod. By adopting an umbrella-shaped scanning head, a beveling structure and a vertical section structure, the geometric feature capturing capability in the scanning process is enhanced, and geometric feature capturing of a soft tissue transition area is enhanced. According to the utility model, a plurality of geometric identification points with a plurality of lengths and a plurality of clear geometric identification points are provided, and the identification points are composed of geometries which are distributed at unequal intervals, so that the accuracy of scanning data is enhanced. The geometric bodies are connected through the concave transition structures, reflection and refraction in the optical scanning process are optimized, the continuity of shape recognition is ensured, and the complexity of the data processing stage is effectively reduced.

The present disclosure relates to a dental scanning rod and a dental scanning system. The dental scanning rod (1) comprises: an attachment part (100), configured to attach the scanning rod to an implant or an implant abutment located in the oral cavity; and a scanning part (200), comprising an elongated body extending transversely from the attachment part (100), the elongated body comprising a length direction and a width direction, and comprising a top surface (202), the top surface (202) comprising a plurality of identification surfaces, wherein the scanning part (200) comprises at least one boss and / or recess (410, 420) protruding from and / or recessed into the top surface (202), the at least one boss and / or recess (410, 420) is shaped as a truncated pyramid, and the projection of each conical surface of the truncated pyramid on the top surface (202) forms the identification surface.

A method of the invention comprises obtaining training dental CT scans, identifying individual teeth and jaw bone in each of these CT scans, and training a deep neural network with training input data obtained from these CT scans and training target data. A further method of the invention comprises obtaining a patient dental CT scan, identifying individual teeth and jaw bone in this CT scan and using the trained deep learning network to determine a desired final position from input data obtained from this CT scan. The (training) input data represents all teeth and the entire alveolar process and identifies the individual teeth and the jaw bone. The determined desired final positions are used to determine a sequence of desired intermediate positions per tooth and the intermediate and final positions and attachment types are used to create three-dimensional representations of teeth and / or aligners.

The invention discloses an adjustable head positioning device for dental CBCT, and belongs to the technical field of dental scanning, the adjustable head positioning device comprises a positioning frame body, and further comprises a head support supporting mechanism and a side leaning supporting mechanism, the head support supporting mechanism comprises a head support supporting part mounted on the positioning frame body and used for supporting the head of a patient; the side-leaning supporting mechanism comprises two side-leaning supporting parts and a side-leaning rotating assembly, the two side-leaning supporting parts are located on the two sides of the head support supporting part respectively, the two side-leaning supporting parts are rotationally installed on the positioning frame body, and the side-leaning rotating assembly is used for driving the two side-leaning supporting parts to rotate in the direction close to or away from each other. The device has the advantages that the device can be conveniently adjusted according to head shapes and sizes of different patients, and the head comfort degree of the patients in the scanning process is improved.

A method includes obtaining scan data of a dental object at a local device, wherein the scan data includes primary scan data, wherein the scan data includes secondary scan data indicative of characteristics other than the 3D geometry of the dental object. The method includes establishing a connection between the local device and a remote computing device. The method includes obtaining a performance indicator by detecting a performance of the connection. The method includes, if the performance indicator exceeds a primary performance threshold, entering a full connection mode. The method includes, if the performance indicator is less than the primary performance threshold entering a partial connection mode.

A system, method and device for performing extra-oral scanning of a dental object 200 via projection 102 of a pattern, which may take the form of structured light, 108 onto said object, the pattern be

The decorative design of a dental scanner is shown in the diagrams and descriptions. The product is intended to assist in intraoral scanning. In Figure 1.7, the area labeled "A" 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. 1.1) Front view; 1.2) Rear view; 1.3) Left side view; 1.4) Right side view; 1.5) Top view; 1.6) Bottom view; 1.7) Reference diagram; 1.8) Perspective view

A method for detecting 3D tooth landmarks based on orthogonal decoupling and asymmetric bi-branch architecture includes: acquiring raw 3D tooth point cloud data from a 3D dental scanning device; extracting high-resolution local point clouds of the region of interest for a single tooth and low-resolution global point clouds of the entire dentition; performing PCA geometric perception serialization on the low-resolution global point cloud to generate an ordered point cloud sequence that conforms to the prior anatomical structure of the dental arch; constructing a local neighborhood topology structure for the high-resolution local point cloud through graph convolution to obtain input feature representations for the global and local branches respectively; feeding the feature representations of the global and local branches into a bidirectional state-space model and a graph convolutional coding network respectively to extract global topological features of the entire dentition and local geometric features of a single tooth; feeding the global topological features and local geometric features into an orthogonal gating fusion module, achieving clean feature fusion by removing redundant components through orthogonal projection, obtaining robust feature representations after fusion, and constructing a geometric heterogeneity hierarchical supervision system to complete end-to-end model training; and passing the fused feature representations to a prediction head to generate tooth anatomy category prediction results and 3D... Sub-millimeter-level precise coordinates of tooth landmarks are used for clinical decision-making in oral healthcare, such as digital orthodontics, virtual tooth alignment, and orthognathic surgery planning.

The present disclosure relates to a computer-implemented method for generating a digital 3D representation of a dental object, the method comprising the steps of: acquiring one or more 2D images of the object; generating point cloud data based on the one or more 2D images, wherein the point cloud data includes a plurality of points representing surface points of the object; and generating mesh data including a plurality of polygons representing the surface of the object based on the point cloud data. The step of generating the mesh data includes: acquiring geometry information based on the one or more 2D images, wherein the geometry information indicates a rate of change of one or more surface characteristics in a plurality of surface sections of the object; determining the grid resolution of each surface section based on the geometric information; and generating a mesh for each surface cross-section using the resolution determined for the respective surface cross-section.

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.