17 results about "Tooth site" patented technology

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.

The invention discloses a real-time monitoring-based implant operation pain self-adaptive regulation and control method and system, and belongs to the field of biomedical engineering. The method comprises the following steps: establishing a tooth position-myoelectricity mapping relation according to an implant tooth position, and deploying bilateral myoelectricity electrodes to establish an individualized myoelectricity baseline; event-related myoelectricity response and skin conductance response are calculated, and pain side positioning is carried out; evaluating the anxiety level, and quantifying and correcting the pain intensity; based on the corrected pain intensity index and anxiety level index, performing state comprehensive judgment by adopting fuzzy logic; self-adaptive regulation and control including cognitive intervention, physical intervention, drug intervention and joint regulation and control are executed according to the state judgment result, and hierarchical upgrading is carried out according to the regulation and control effect. According to the invention, scientific distinguishing between pain and anxiety, accurate positioning of pain side identification and closed-loop self-adaptive regulation and control are realized.

This image is designed to show electric toothbrush users their oral health and the correct brushing technique during oral care. Pin marks are placed on the teeth where the user is concerned (e.g., swollen gums or cavities), allowing them to check the condition of their oral cavity.

Methods and systems are described that generate three-dimensional (3D) measurements from points in two-dimensional (2D) images. An example method includes determining an alignment between a 2D image of a dental site and a 3D surface of the dental site, determining a first point and a second point in the 2D image, projecting the first point and the second point onto the 3D surface based on the alignment between the 2D image and the 3D surface, performing a measurement of a distance between the projected first point and the projected second point on the 3D surface, and displaying at least one of a) a first visualization of the measurement on the 2D image or b) a second visualization of the measurement on the 3D surface.

The application relates to a method for automatically generating a tooth small coordinate Z axis, which comprises the following steps: S1, calculating the centroid of a crown grid according to the crown grid split by tooth splitting software; S2, obtaining root point data of each tooth site according to CBCT data; S3, calculating a local Z axis DirZ of the tooth; S4, calculating the Z axis of each tooth site of all data, and then calculating the average Z axis of each tooth site; and S5, establishing the Z axis of the crown data without tooth roots by using the average Z axis method. According to the application, the real Z axis is calculated by using the existing data of a scanned crown and real root point data, and the average value is calculated, so that the Z axis close to the real Z axis can be obtained without CBCT data, and the stable and high-accuracy Z axis data can be generated. The application can greatly improve the efficiency of axis setting of a tooth splitter, and can automatically generate the Z axis coordinate of the tooth, thereby providing a basis for subsequent tooth arrangement and other functions.

The utility model relates to the technical field of oral cavity restoration, and discloses a tooth filling forming clamp convenient to use, which comprises two clamping arms and two beak edges, the two beak edges are respectively arranged on the sides, close to each other, of the two clamping arms, the vertical height difference between the two beak edges is 3mm, and the width of the two beak edges is 10mm. And the beak edge is set to have different widths according to different clamped tooth positions. According to the utility model, through the unique design of the beak edges with one high part and one low part and the height difference of 3mm, hyperplasia gingiva can be pushed away in a non-invasive manner, so that wounds caused by traditional gingival resection are avoided, and the pain of a patient and the risk of postoperative complications are reduced; the diversified beak edge widths are adaptive to different tooth positions, so that the clear operation view is ensured, and the repairing precision is improved. Meanwhile, holes are formed in the clamping arms, so that the weight is reduced, the clamping wings are convenient to control, the connecting blocks and the clamping bows provide stable elastic support, the flexibility and stability of surgical operation are guaranteed, and the clinical treatment efficiency and the repair success rate are remarkably improved.

The utility model relates to the field of oral cavity cleaning, and discloses an oral cavity cleaning device with a protection effect, which comprises a water pumping head, a water storage rod is arranged on the lower surface of the water pumping head, a water spraying head is arranged on the upper surface of the water pumping head, a protection assembly is arranged on the outer wall of the water spraying head, and a cleaning assembly is arranged on the outer wall of the protection assembly. A connecting assembly is arranged on the outer wall of the protection assembly; the protection assembly comprises a fixing sleeve, the fixing sleeve is in threaded connection to the outer wall of the water spraying head, the outer wall of the fixing sleeve is sleeved with a rear shell, a front shell is arranged on the front surface of the rear shell, and a top plate is arranged on the upper surface of the rear shell. According to the utility model, by arranging the protection assembly, after the tooth part of a patient is in contact with the top plate, the fixing sleeve can be driven to get close to the top plate by continuously moving the sprinkler head, so that the fixing sleeve pushes the hinge rod to drive the baffle to move towards two sides to be opened, and water sprayed from the front end of the sprinkler head can normally pass through the top plate.

The present application relates to the technical field of oral image recognition, and discloses a mixed tooth site recognition method for a local oral image, a storage medium and a device. The method comprises the following steps: collecting a clinical local oral image, manually marking tooth site numbers and category information, and forming an original data set; replacing the tooth site numbers of the original data set with corresponding permanent tooth numbers at the same position, deleting the category information, and forming a tooth site marked data set; deleting the tooth site numbers in the original data set, and numerically representing the category information, to form a classification marked data set; training a tooth site recognition model through the tooth site marked data set; training a classification recognition model through the classification marked data set; obtaining an oral image to be recognized, recognizing the tooth site numbers of the teeth in the oral image through the tooth site recognition model, and recognizing the category of the teeth in the oral image through the classification recognition model. The method can improve the stability and accuracy of recognizing the positions of the teeth from a local oral image.

An oral cavity detection system includes an image capturing device and a processor. The image capturing device is configured to output a visible light image and an ultraviolet light image. The processor is signal connected to the image capturing device and includes a tooth site recognition module, an image processing module, a tooth status detection module and a display module. The tooth site recognition module defines tooth site regions of the teeth in the visible light image and outputs a tooth site image. The image processing module is configured to convert the ultraviolet light image from an RGB color space to an HSV color space or an HSL color space to generate a fluorescent image, and to extract a fluorescent tooth image having a same range as each tooth site region. The tooth status detection module is configured to find a plaque block or a caries block on each fluorescent tooth image. The display module is configured to display the plaque block or the caries block on each tooth site region of the tooth site image. Thus, the time for manual inspection can be reduced.

The disclosure relates to computer-implemented method and system for generating an optimal view direction of an affected area in a 3D model of intra-oral scan data allowing a dental health care professional to inspect and convey dental assessments in an efficient, fast and optimized manner. In more detail the method and system described herein is configured to estimate the optimal view from which an affected area of a dental site may be displayed on a graphical user interface while allowing automated updates of the view direction to bring the affected site into focus of a graphical user interface.

The application discloses an oral scanning tooth position recognition system and method based on artificial intelligence, relates to the technical field of digital oral cavity, and comprises data acquisition, pretreatment, feature extraction and segmentation, tooth position recognition, result output and model training modules. The feature extraction adopts a deep learning network fusing local and expanded features, extracts local geometric features through dynamic edge convolution, and extracts long-distance semantic features by combining expanded edge convolution and hybrid sampling. The method processes oral scanning data through the above modules, realizes gingival segmentation, single tooth division and tooth position recognition, outputs segmentation masks and recognition results, and improves recognition accuracy and efficiency.

Methods and systems for labeling and / or correcting edge lines and / or other features of a tooth site are described. In one example, a 3D model of the tooth site, including a representation of a prepared tooth, is generated from intraoral scan data of the tooth site. An image of the prepared tooth, including a height map, is received or generated. The data from the image is processed using a trained machine learning model that has been trained to identify the edge lines of the prepared tooth, wherein the trained machine learning model outputs a probability map that includes the probability that each pixel in the image depicts an edge line. The 3D model of the tooth site is then updated by labeling the edge lines on the representation of the prepared tooth based on the probability map.

1. The name of the design product: sports lip and teeth protection pacifier mouth guard. 2. The use of the design product: for protecting the lip and teeth of sports personnel during sports. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view.

The present disclosure proposes a method, device, computing equipment and program product for displaying oral data. The method comprises: obtaining first oral data, the first oral data comprising three-dimensional data of a dental arch, the dental arch comprising a tooth to be restored; obtaining second oral data by an intraoral scanner, the second oral data comprising scanning data of the tooth to be restored after tooth preparation; identifying a tooth region in the first oral data and the second oral data, and identifying a tooth site of the tooth to be restored based on a difference between the tooth region in the first oral data and the second oral data; combining the first oral data and the second oral data based on the identified tooth site of the tooth to be restored 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 model containing both complete dental arch morphology and accurate tooth preparation morphology, without the need for manual marking of tooth preparation regions, thereby improving the accuracy and convenience of oral scanning.

The invention relates to the technical field of tooth key point detection, and discloses a tooth key point positioning method and device based on a mouth scanning three-dimensional model, and the method comprises the steps: determining tooth data of a to-be-detected object based on a predetermined mouth scanning three-dimensional model; preprocessing the tooth mesh data of each tooth position through a first type processing module to obtain point cloud data; generating tooth position related data of each tooth position through a second type processing module of the trained key point detection model according to the tooth position number of each tooth position and preset tooth position conversion rule information; and carrying out fusion processing on the point cloud data of each tooth position and the tooth position related data through a third type processing module of the key point detection model so as to detect the key point coordinates of the single tooth corresponding to the tooth position. Therefore, all tooth key points of the to-be-detected object can be detected through one key point detection model, and the key point detection efficiency and detection accuracy can be improved.

The application provides a method and device for assisting in positioning a tooth implant site based on a deep learning method, a computer readable storage medium, an electronic device and a surgical robot system. The method for assisting in positioning the tooth implant site comprises: performing dimension reduction processing on input image data; scaling the image after the dimension reduction processing to obtain a standardized two-dimensional image; using a preset tooth implant site positioning information extraction model to process the input standardized two-dimensional image file to obtain all tooth sites and tooth loss condition information of each tooth site. Thus, the tooth loss tooth site in all tooth sites can be identified, and all tooth sites with teeth, tooth sites with possible tooth loss or tooth sites with possible wisdom tooth growth are comprehensively predicted, thereby solving the problem that multiple tooth sites may be confused with each other in the traditional method and improving the accuracy. Because the input size can be arbitrarily adjusted, the demand for hardware devices is greatly reduced and the prediction speed is improved.