907results about "Dentistry" patented technology

The invention relates to the technical field of oral health monitoring, and discloses an oral detection method based on an intelligent tooth socket. The method comprises the following steps: acquiring an original oral cavity pressure time sequence and frequency domain characteristics through an intelligent tooth socket, determining an optimized decomposition parameter, and performing multi-scale decomposition on an original signal to generate a multi-scale oral cavity signal component; nonlinear dynamic features are extracted, a component complexity index is obtained, and key signal components related to oral health are screened out; generating a personalized physiological response frequency in combination with the user oral cavity baseline features, the real-time occlusion state and the component complexity index; reconstructing an oral cavity physiological feature sequence based on the key signal component and the personalized physiological response frequency, and separating a low-frequency component and a high-frequency component through modal decomposition; identifying oral cavity abnormity categories according to the two components, establishing a mapping relation with a diagnosis result, and generating an oral cavity health detection instruction. According to the method, convenient and comprehensive oral cavity detection can be realized, the detection adaptability and precision are improved, and support is provided for oral cavity health management.

The invention discloses an impacted wisdom tooth extraction resistance analysis simulation method and system based on CBCT and AI segmentation, is suitable for scenes of extraction resistance intelligent analysis and preoperative path simulation of impacted wisdom teeth, and assesses risks by automatically measuring the minimum spatial distance between the tooth root tip of a wisdom tooth to be extracted and a dental nerve tube. A resistance removal strategy is selected by performing three-dimensional mechanical analysis on adjacent tooth resistance, bone resistance and tooth root resistance of a wisdom tooth to be extracted, and a wisdom tooth extraction simulation path is planned based on a risk assessment result and the resistance removal strategy. According to the method, complex impacted wisdom teeth are analyzed for the first time, risk assessment and three-dimensional mechanical analysis related to an operation are achieved, and special modeling, risk assessment and tooth extraction resistance analysis can be conducted on the impacted wisdom teeth, especially the impacted mandibular wisdom teeth which are high-risk conditions that the shapes of adjacent neural tubes and tooth roots are complex and resistance sources are diversified; the pull-out difficulty, the resistance source and the intraoperative risk point are reflected, and the clinical use requirements are met.

The invention relates to the technical field of oral health monitoring, and discloses a real-time oral health monitoring system based on an intelligent imaging technology. The system comprises an image capture module, a feature analysis module, a health parameter calculation module, an anomaly detection module and a feedback control module. The image capture module captures dynamic image data in the oral cavity in real time and transmits the data to the feature analysis module; the feature analysis module preprocesses the image data, identifies key oral cavity structural features and generates a structured feature data set; the health parameter calculation module quantifies related health parameters based on the data set and integrates the related health parameters into an oral health parameter set; the anomaly detection module identifies the oral cavity area with the parameter value deviating from the normal range and outputs an anomaly detection result set; and the feedback control module generates optimization suggestions according to the optimization suggestions and drives the user interface display module to output a visual report. According to the system, real-time monitoring, automatic analysis and timely feedback of oral health are realized, and the monitoring efficiency and accuracy are improved.

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.

To provide an image processing apparatus that can more correctly determine a row of teeth having permanent teeth and milk teeth mixed therein.SOLUTION: An image processing apparatus comprises: an acquisition unit that acquires an image of the inside of the oral cavity; an estimation unit that estimates a row of teeth from an image acquired by the acquisition unit by using a learning model that has learned the relationship between the image of the inside of the oral cavity and the row of teeth; and a correction unit that makes a correction on a result of the estimated row of teeth on the basis of a rule related to the order of losing the milk teeth and getting the permanent teeth.SELECTED DRAWING: Figure 4

The invention relates to the technical field of biosensors, and discloses a periodontal tooth health monitoring biosensor system. The system comprises a signal acquisition module, a feature extraction module, a core screening module and an anomaly judgment module. The signal acquisition module is used for acquiring multi-dimensional signals from a plurality of heterogeneous sensing terminals and integrating the multi-dimensional signals into a health monitoring signal database; a feature extraction module analyzes the database to obtain a health monitoring feature matrix, determines a correlation graph of each dimension and constructs a process correlation graph; a core screening module extracts health feature vectors, determines health index sensitive entropies, and screens out a health core feature sequence in combination with the process association map; and the abnormity judgment module carries out health abnormity judgment according to the sequence. According to the system, by integrating multi-dimensional signals, mining feature association and screening core features, precise monitoring and anomaly judgment of periodontal tooth health are achieved.

The present invention relates to a novel drying rack device. The device is designed to save time and effort when cleaning and sterilizing instruments, cassettes, tools, and / or accessories. The device comprises a countertop drying rack that sits on a tray. The countertop drying rack comprises a plurality of compartments that can be round and / or flat, with a plurality of drain holes for air drying wet instruments. Further, the tray below the rack collects water runoff for safe disposal and to allow the instruments to air dry. The device keeps instruments and tools organized, different kits separated, allows instruments to dry, and decreases risk of injury and exposure to bloodborne pathogens.

A portable, multimodal dental diagnostic device for assessing the vitality of the dental pulp, consisting of: a detachable diagnostic component comprising a variety of probes, including the following: a heat probe configured to deliver controlled heat stimuli to a tooth surface and measure the heat response of the dental pulp; an electrical probe configured to deliver low-voltage electrical pulses to the tooth surface and measure the electrical impedance of the dental pulp; and an optical probe configured to assess blood oxygen saturation and microcirculation in the dental pulp using near-infrared light; a microcontroller unit configured to process sensor data from the thermal probe, the electrical probe and the optical probe, to calibrate measurements based on the oral base temperature and the ambient conditions, to aggregate multimodal sensor data and to control the operation of the thermal probe, the electrical probe and the optical probe; a cloud platform configured to receive and store aggregated sensor data, run artificial intelligence algorithms to analyze multimodal sensor data and generate diagnostic insights that include vital signs and diagnostic probabilities; a user application that is communicatively connected to the cloud platform and configured to wirelessly receive aggregated sensor data, display detailed diagnostic reports with vital signs and trends to the user, integrate with electronic health data systems, and issue alerts in case of abnormal readings; a wireless communication module connected to the microcontroller unit, configured to transmit the aggregated sensor data to the cloud platform; a display interface configured to show real-time feedback from the probes, including vitality assessments and sensor readings; and a main body containing the microcontroller unit, a rechargeable power supply and the display interface, wherein the rechargeable power supply can be charged via the current provided through a charging port on the main body, and wherein the main body is also equipped with on / off and start / stop switches; the device is configured to provide a non-invasive, quantitative real-time analysis of dental pulp health by combining physiological responses from thermal, electrical, and optical measurements.

The invention discloses a comprehensive oral diagnosis and treatment system, which relates to the technical field of oral medicine and medical instruments and comprises a tooth movement monitoring module, a low-intensity pulsed ultrasound module, a high-intensity focused ultrasound module, a blood flow monitoring module, a control module, a wireless communication module and a terminal module. According to the invention, comprehensive monitoring and treatment of tooth movement, periodontal tissue health, temporomandibular joint function and oral cavity related muscle dynamics of a patient can be realized. Meanwhile, the equipment integrates advanced low-intensity pulsed ultrasound and high-intensity focused ultrasound technologies, and has the functions of periodontal tissue repair, muscle relaxation and joint soft tissue treatment. Besides, through the wireless communication module and the terminal module, the system can provide real-time health data monitoring and personalized diagnosis and treatment schemes, and is widely suitable for patients with orthodontics, periodontal diseases, temporomandibular joint disorder and other related oral dysfunctions.

The invention provides a dental plaque shooting method and device, equipment and a storage medium, and the method comprises the steps: starting an endoscope through an ultraviolet lamp, and determining the first pose information of a target dental plaque according to a red imaging region of a real-time video stream of the endoscope; determining second pose information according to the target reference image of the target dental plaque; determining target movement information adjusted from the first pose information to the second pose information by comparing the pose feature differences; and in response to completion of movement of the endoscope based on the target movement information, determining a current video frame of the real-time video stream as a target shot image of the target dental plaque. According to the technical scheme provided by the embodiment of the invention, the target movement information can be determined by utilizing the pose difference between the shooting pose of the target dental plaque and the reference pose to prompt the user to move the endoscope, so that the endoscope can be ensured to shoot after being aligned with the target dental plaque in the standard pose, and an accurate dental plaque image is provided for subsequent recognition.

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.

The invention provides a method, a device, a system and a program product for predicting an oral cavity state, and the method comprises the steps: obtaining a first three-dimensional scanning image of the same patient in the oral cavity at different times, the first three-dimensional scanning image being used for reflecting the oral cavity state of the patient; extracting one or more characteristic parameters for representing the oral cavity state from the plurality of first three-dimensional scanning images; according to the one or more characteristic parameters of the oral cavity state, evolution information of the oral cavity state is predicted through a prediction model, and the evolution information is used for evaluating the oral cavity health condition of the patient. The evolution information of the oral cavity state can be accurately predicted, and a more reliable basis is provided for diagnosis. The patient can intuitively know the evolution information of the disease, so that the understanding and cooperation of the patient on the treatment can be enhanced. For patients with special conditions, by predicting the evolution information of the oral cavity state, doctors can more accurately judge the treatment opportunity and formulate a more reasonable treatment scheme, and the treatment effect is improved.

An intraoral apparatus for evaluating oral function of a patient. The intraoral apparatus comprises a dental-engagement element configured to engage with one or more teeth of the patient. The intraoral apparatus additionally comprises an oral media configured to be positioned adjacent to a palate of the patient. The intraoral apparatus further comprises a plurality of sensors associated with the oral media.

The utility model discloses a flexible surgical robot system for an oral cavity. The flexible surgical robot system comprises a clamping mechanism, a mechanical arm and a flexible oral cavity mechanism, wherein the clamping mechanism is used for realizing clamping and fixing; the mechanical arm is mounted on one side of the clamping mechanism and is used for multi-angle posture change; the oral cavity flexible mechanism comprises a flexible hose fixed to the top end of the mechanical arm, a plurality of deformation grooves formed in the side face of the flexible hose, and electric field deformation blocks arranged on the inner sides of the deformation grooves and used for deforming under stimulation of an electric field. Under the cooperation of the mechanical arm, the flexible hose, the electric field deformation block and the electric field stimulator, the flexible hose can realize fine and accurate multi-angle posture change in an oral cavity, can adapt to a complex and changeable environment in the oral cavity, is helpful for the oral cavity operation equipment to accurately operate a focus area, and is convenient to use. And unnecessary damage to oral tissues can be greatly avoided, so that the flexibility and the practicability are improved.

The invention relates to a dental plaque detection method and system based on ultraviolet image analysis. The method comprises the following steps: acquiring an RGB image of dental plaque; converting the RGB image into an HSV image; performing tooth region identification, single tooth segmentation and single tooth contour cutting on the HSV image in sequence to obtain each single tooth ROI pixel and a total tooth ROI pixel; extracting a red fluorescence characteristic region from the HSV image, and calculating to obtain a red fluorescence region pixel and a red fluorescence average brightness value; the dental plaque severity score is calculated according to the total tooth ROI pixel, the red fluorescence region pixel and the red fluorescence average brightness value, the severity of the dental plaque is quantified, a user can know the tooth health state more clearly, and then oral health is maintained. The change of the score value is beneficial to motivating the user to continuously monitor the dental plaque condition, so that the user can conveniently manage oral hygiene and health more finely, and the user experience is improved.

A method and system for generating prediction information comprising a predicted measure of treatment pain associated with each of a series of steps to be performed as part of a dental treatment by a dental practitioner. This information can be output as guidance for the practitioner, allowing them to adapt their treatment style or approach for each step to pre-emptively mitigate expected pain.

The utility model discloses a surgical microscope integrated with surgical navigation, which comprises a support and a microscope, the support comprises a base and a cross arm component mounted on the base, the microscope is connected with the cross arm component, and the surgical microscope is characterized by further comprising a navigation component and a telescopic adjusting component, the navigation part is installed at one end of the telescopic adjusting part, the other end of the telescopic adjusting part is connected with the cross arm assembly or the base, the telescopic adjusting part can rotate around a first rotating shaft relative to the cross arm assembly or the base, and the navigation part can move and / or rotate in the direction close to or away from the microscope. According to the utility model, the occupied diagnosis and treatment space is reduced, and the operation convenience is improved.

The invention discloses a standardized three-dimensional periodontal attachment quantification system and method, and relates to the technical field of digital oral medicine, and the method comprises the following steps: calibrating a cementum-enamel boundary, dividing a tooth model into a dental crown and a tooth root, and determining the total surface area of the tooth root; performing sensitivity analysis by using the candidate threshold sequence, and determining an optimal diagnosis threshold in combination with a surface integrity criterion; based on the optimal diagnostic threshold, an absolute adhesion area and a relative adhesion area ratio are calculated and output. The invention provides a quantitative method capable of truly, comprehensively and accurately reflecting the three-dimensional pathological change of the periodontal tissue, and the accuracy of a measurement result is ensured through standardized crown root segmentation and accurate geometric judgment; through data-driven parameter optimization, uncertainty caused by manual intervention is eradicated, and objectivity and repeatability of a measurement result are ensured.

A method for determining a plurality of final optical parameters of a dental object in an intraoral cavity includes receiving a plurality of two-dimensional images of the dental object, reconstructing a three-dimensional model of the dental object based on the plurality of two-dimensional images, determining camera positions of the plurality of two-dimensional images relative to the three-dimensional model, and receiving a plurality of optical parameters. The method may further include determining in an iterative manner: a plurality of simulated two-dimensional images of the dental object by inputting the plurality of optical parameters and the camera positions to a differentiable renderer, and multiple loss-values based on a loss function between the plurality of simulated two-dimensional images and the received plurality of two-dimensional images by adjusting the plurality of optical parameters.

An optical sensing system comprises a human interface structure to be applied to a user. The system comprises a time-of-flight sensor with an array of laser diodes with Bragg reflectors operating in the near-infrared, a detection system, and a processor generating a time-of-flight measurement and a first image. The system also includes a first camera system capturing a second image, and a second camera system illuminated by light emitting diodes to monitor one or more eyes of the user. In communication with or operating on the processor is an artificial intelligence assistant, which comprises a multi-modal generative artificial intelligence model. The system may be part of wearable eyewear such as smart glasses or extended reality goggles. The system may perform gesture analysis, eye tracking and speed recognition, and video and verbal outputs can be provided to the user. An artificial intelligence agent may have awareness of the environment.

The invention relates to the technical field of oral cavities, and discloses an alveolar bone resorption degree detection method, device and equipment and a medium, oral cavity image data of a patient is obtained, and tooth jaw segmentation data extraction is performed on the oral cavity image data to obtain tooth jaw segmentation data; performing three-dimensional space morphological feature analysis on tooth segmentation data in the tooth jaw segmentation data to obtain tooth coordinate azimuth information; calculating periodontal measurement surface information according to the tooth coordinate azimuth information; extracting enamel boundary line data and alveolar bone boundary line data in the dental jaw segmentation data; calculating an alveolar bone resorption degree result according to the enamel boundary line data, the alveolar bone boundary line data and the periodontal measurement surface information; the alveolar bone resorption degree result is calculated through the boundary line data and the measurement surface information, and the accuracy of the result is improved while the resorption degree is accurately quantified.

The invention provides a gingival health risk prediction method, an electric toothbrush and a program product, and the method comprises the steps: inputting the obtained user historical case information into a pre-trained static risk assessment model for gingival health risk grading, and obtaining the initial probability of the gingival health risk; the method comprises the following steps: acquiring tooth brushing behavior data in real time through an electric toothbrush, preprocessing the tooth brushing behavior data, and inputting the preprocessed tooth brushing behavior data into a pre-trained dynamic risk correction model to obtain a correction coefficient of gingival health risk; and multiplying the correction coefficient by the initial probability to obtain a gingival health risk prediction result, dividing the gingival health risk prediction result into a plurality of risk levels according to a predetermined threshold, and generating an oral care suggestion according to the risk levels. By means of the technical scheme, more comprehensive and accurate oral health assessment and personalized nursing suggestions can be provided, and a user is effectively helped to find and improve gingival health problems in time.

This invention discloses an automated anterior tooth feature parameter extraction method and evaluation system based on computer vision, comprising: acquiring and visualizing a full-mouth scan image of a patient to be processed; cropping the corresponding tooth portion image; using Gaussian blur to eliminate specular reflection; using color segmentation to set thresholds for the H, S, and V channels respectively; separating the teeth and gingiva in each tooth portion image and performing morphological processing on each; extracting the tooth and gingiva portion contours using contour extraction methods; further refining the segmentation accuracy using the Chan-Vese active contour model algorithm and the energy function within the tooth portion contour; extracting corner points using the Shi-Tomasi corner detection method and then clustering them; extracting other important evaluation feature points through curve fitting and extreme value finding methods; and finally calculating relevant objective indicators for tooth evaluation and automatically generating the corresponding tooth score, thus completing the automated anterior tooth evaluation.

The utility model relates to an ultrasonic osteotome positioning structure and an ultrasonic osteotome device, and relates to the technical field of dental medical instruments. When the first connecting piece and the second connecting piece in the ultrasonic osteotome positioning structure are connected in an inserted mode, the first contact portion of the first matching face and the second matching face is a small-area portion, the area of the first matching face and the second matching face which are in contact subsequently can be increased along with the increase of the inserting depth, friction force is increased, and the service life of the ultrasonic osteotome is prolonged. The first connecting piece and the second connecting piece are connected more tightly, and the connecting precision is improved. Due to the fact that the area of the initial contact surface is small, in the initial inserting stage, even if the inserting direction deviates, adjustment can be conducted easily, the gap generated when the first matching surface and the second matching surface are completely matched is further reduced, and the accuracy and stability of connection between the first connecting piece and the second connecting piece are improved. In the operation, the risk that the reference piece shakes relative to the blade point part is reduced, and the accuracy of the determined position of the blade point part is further improved.

The invention provides a mechanical arm path planning method and device for anterior tooth preparation, relates to the technical field of tooth preparation path planning, and aims to realize precise tooth preparation operation in a complex oral environment. The method comprises the following steps: constructing an anterior tooth preparation digital model according to oral scanning data of a patient, the anterior tooth preparation digital model representing a target form of a repaired tooth; according to the anterior tooth preparation digital model, a bur motion coordinate system is constructed, and the bur motion coordinate system is used for providing space origin reference for tooth preparation path generation; by taking the geometric parameters of the machine needle and the anatomy of the oral cavity of the patient as constraints and taking the anterior tooth preparation digital model as a starting point, reversely calculating a tooth preparation path of cutting from an original tooth body of an anterior tooth to the anterior tooth preparation digital model under the machine needle motion coordinate system; and converting the tooth preparation path into a mechanical arm control instruction to control a mechanical arm to carry out tooth preparation operation on the original anterior tooth body in the oral cavity of the patient.

The present invention relates to an image navigation method and system for a surgical microscope. The method includes: first, after fixing a surgical object and markers, radiographing the surgical object and markers to obtain a three-dimensional digital image; then, positioning the markers in the three-dimensional digital image to form a three-dimensional coordinate system and obtain the relative position between the target lesion and the markers; then, plotting a surgical instrument entry point and path guidance points on the three-dimensional digital image to form a navigation path, and transmitting the navigation path data to a media signal processing device; then, positioning the target lesion and markers within the field of view of the surgical microscope and transmitting the image within the field of view of the surgical microscope to the media signal processing device; the media signal processing device recognizing the markers to form a three-dimensional space corresponding to the image within the field of view of the surgical microscope; and real-time navigation is achieved by superimposing the navigation path image at predetermined coordinates on the image within the field of view of the surgical microscope in the three-dimensional space. The system includes a surgical microscope, a media signal processing device, and markers, and the surgical microscope includes a microscope tube and an image enhancement device. By accurately positioning the surgical instrument entry point and path guidance point, the present invention can guide a doctor or related personnel in completing dental treatment and surgery, thereby improving the precision of surgery.

The application relates to the field of oral medicine diagnosis and discloses an AI-enhanced real-time occlusion detection system based on intraoral images, which comprises a multi-source intraoral image acquisition module, which is used for acquiring dynamic oral image data through a high-definition oral endoscope, recording the three-dimensional structure of a tooth surface in combination with a laser scanning device, and collecting the force distribution of an occlusion contact point through a pressure sensor array; the multi-source intraoral image acquisition module comprises a time stamp synchronization unit, which performs multi-source synchronization on the oral image frame sequence and the occlusion force distribution data by using a unified time mark; through the multi-source intraoral image acquisition module, the synchronous acquisition of dynamic images, three-dimensional structure data and occlusion force distribution is realized, and the time sequence consistency of the data is ensured through the time stamp mark. Compared with the acquisition mode of a traditional single data source, multi-source acquisition can comprehensively record the dynamic characteristics in the occlusion process, provide rich and accurate input for subsequent AI analysis, and avoid data omission or acquisition deviation.

The utility model relates to the technical field of laser probe fixing, and discloses a laser probe fixing device for oral disease treatment, which comprises a fixing seat, the surface of the fixing seat is rotatably connected with a telescopic main rod through a damping rotating shaft, and a telescopic auxiliary rod is inserted into the telescopic main rod. First threaded holes are formed in the surface of the telescopic main rod and the surface of the telescopic auxiliary rod correspondingly, and first fixing bolts are in threaded connection with the interiors of the first threaded holes. According to the laser probe fixing device for oral disease treatment, through cooperative arrangement of a first damping bearing, a first damping rotating block, a first adjusting rod, a second damping bearing, a second damping rotating block and a second adjusting rod, the direction of a laser probe can be adjusted through the first damping bearing and the second damping bearing during use; and the angle of the laser probe is adjusted through the first damping rotating block and the second damping rotating block, so that the effect of adjusting the direction and the angle of the laser probe is achieved.

The invention relates to the technical field of tooth occlusal force measurement, in particular to a tooth occlusal force measurement system and method. According to the technical scheme, a plurality of oral impression connection supporting assemblies are arranged, and the supporting assemblies are used for bearing the plurality of oral impressions to enable the oral impressions to be in preset spatial positions and guiding upper teeth to be vertically occluded and lower teeth to be occluded at different depths in a chewing posture when a user occludes each oral impression; performing three-dimensional scanning on all the occluded oral impression through a scanning assembly on the supporting assembly, and outputting scanning data to the outside; and generating an occlusal force cloud picture of the user under different occlusal depths based on the scanning data through a processing terminal connected with the scanning component. According to the technical scheme, the lower teeth perform occlusion with corresponding depths on different oral cavity impressions based on the natural chewing posture, the occlusion contact forms of the upper and lower teeth of the user under different occlusion depths can be recorded, and the occlusal force distribution measurement of the user under the natural occlusion behavior under different occlusion depths is realized.

To provide an oral cavity state evaluation system capable of evaluating the state of an oral cavity by simple means.SOLUTION: An oral cavity state evaluation system 10 comprises: an information acquisition unit 31 which acquires an oral cavity image including at least a first specific portion in the oral cavity from an interface part 20 as input information; and an information analysis part 33 which analyzes the state of the first specific portion on the basis of the input information. The information analysis part 33 estimates estimation information concerning the state of a second specific portion in the oral cavity different from the first specific portion, from analytic information of the state of the first specific portion.SELECTED DRAWING: Figure 1