1428results 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 discloses an alveolar bone noninvasive detection method based on a spatial offset Raman spectrum technology. The method comprises the following steps: S1, selecting a first near-infrared excitation wavelength and a second near-infrared excitation wavelength to form a multi-wavelength tunable excitation light beam; s2, synchronously acquiring a first group of original Raman spectrum signals under a plurality of spatial offset distances; s3, acquiring a second group of original Raman spectrum signals by using an acousto-optic composite modulation Raman enhancement mechanism; s4, inputting the soft tissue optical parameter set into a joint inversion equation; s5, obtaining a deep alveolar bone Raman characteristic spectrum data set; s6, training an alveolar bone tissue health recognition model; and S7, based on the alveolar bone tissue health recognition model, performing health state judgment on the deep alveolar bone Raman characteristic spectrum data set acquired in real time, and generating an alveolar bone health assessment result. The early screening and dynamic monitoring capabilities of alveolar bone diseases are greatly improved, and the clinical working efficiency of doctors and the doctor-seeing experience of patients are remarkably optimized.

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.

The invention discloses an oral cavity three-dimensional scanning system and a control method thereof, electronic equipment and a storage medium, and relates to the technical field of oral cavity three-dimensional scanning. The method comprises the following steps: controlling a projection module to alternately project white light and projection fringes generated based on Debrueine coding on a preset chessboard graph in different time periods towards a target; controlling the target to move, and controlling the imaging module to shoot a plurality of target images towards the target; the target image comprises a coding stripe image collected at the same position and a checkerboard image collected under white light; the multiple checkerboard images are calibrated to obtain imaging calibration parameters of the imaging module, meanwhile, after the multiple coded stripe images are calibrated to obtain projection calibration parameters of the projection module, a system calibration result is determined, and calibration is completed; and performing three-dimensional reconstruction processing based on the system calibration result on the to-be-reconstructed object to obtain a three-dimensional reconstruction result. The calibration efficiency and the calibration accuracy when the oral cavity three-dimensional scanning system is calibrated can be improved.

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 discloses a maxillofacial surgery postoperative curative effect monitoring system, which relates to the technical field of medical diagnosis and comprises a data collection module, a transmission module, a data processing module, an interaction module and a recovery suggestion module, the data collection module comprises a face collection unit, an occlusion unit and a voice unit, the data collection module is used for being regularly worn by a postoperative patient, the face collection unit scans the maxillofacial surface of the patient, the occlusion unit is used for the patient to occlude and collect occlusion data, and the voice unit is used for collecting sound of the patient; uploading the collected data to a transmission module; and the transmission module uploads the acquired data to the interaction module based on the Internet of Things mode. According to the method, abnormal fluctuation or potential problems in the recovery process are found in time through data uploaded regularly, rehabilitation training plans and diet suggestions are customized for patients, or review time is adjusted for personalized treatment schemes, and the pertinence and effectiveness of treatment are improved.

An illumination system is provided, having a handpiece with an illumination unit and a semiconductor lighting element which provides a radiation of essentially blue light in the wavelength between 400 nm and 500 nm, and a light guide unit connectable to the handpiece. The light guide unit includes a fiber-optic light guide rod, having a proximal end face and a distal end face, and a sleeve. The fiber-optic light guide rod is fixed in the sleeve by a first adhesive in a portion of the proximal end face. The light guide unit has a converter, for converting the radiation of a semiconductor lighting element in the operating state into a distal radiation of the fiber-optic light guide rod at its distal end face. The distal radiation in the operating state has essentially white and / or color-neutral light, or colored light, a wavelength in the visible spectral range.

The invention discloses an occlusion contact quantitative analysis method and system for three-dimensional dentition scanning data and a storage medium, and relates to the field of oral medicine. The method comprises the following steps: acquiring upper and lower jaw dentition triangular mesh curved surface data by utilizing three-dimensional optical scanning; the method comprises the following steps: copying data of triangular mesh curved surfaces of dentitions of upper and lower jaws, independently cutting each tooth, and enabling the cut data to comprise a complete occlusal surface of the tooth; judging whether each triangular mesh on the grid curved surface of each cut tooth is an occlusion contact surface or not; and the size of the occlusal force is calculated according to the occlusal contact surface and the pressure intensity in the occlusal state. According to the invention, accurate quantitative analysis of the occlusal force and direction of each tooth can be realized, the cost is low, and the operation is simple and convenient.

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.

The invention provides an adjustable oral soft tissue traction fixing device for an apical surgery. The adjustable oral soft tissue traction fixing device comprises a dentition fixing component, a lower jaw fixing component and a soft tissue traction fixing component, the dentition fixing component is used for being fixed in the oral cavity of a subject and located at the upper end of the dentition where the operation teeth are located. The dentition fixing component comprises a buckle plate and an insertion rod; a groove is formed in the lower side of the buckle plate, and the buckle plate is buckled on the dentition through the groove; the upper end of the insertion rod is fixed to the first side of the buckle plate. The lower jaw fixing component comprises a bottom plate and a side plate; the bottom plate and the side plate are connected to form an L shape; the lower jaw fixing component is used for being fixed outside the oral cavity of a subject; first insertion holes are formed in the side plates in the vertical direction; the lower part of the inserting rod is inserted and fixed in the first inserting hole; the first end of the soft tissue traction fixing component can be adjustably fixed to the lower jaw fixing component, and the second end of the soft tissue traction fixing component is used for extending into the oral cavity of a subject so as to achieve traction and fixing of gingival soft tissue flaps.

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 lower jaw sagittal splitting osteotomy positioning guide plate. Comprising a lower supporting type positioning guide plate, a middle occlusion positioning plate and an upper supporting type positioning guide plate which are sequentially connected through connecting rods, wherein the lower supporting type positioning guide plate is manufactured according to the outer side form of a lower jaw body part; the middle occlusion positioning plate is manufactured according to first molars and first premolars of a patient; the upper supporting type positioning guide plate is manufactured according to the outer side form of a lower jaw ramus; the upper supporting type positioning guide plate extends towards the inner side of the mandibular branch to form a mandibular branch inner side horizontal osteotomy guide rod set according to the position of a small tongue of the mandibular branch, and the lower end of the lower supporting type positioning guide plate is provided with a lower edge supporting type positioning guide plate manufactured according to the shape of the lower edge of the mandibular branch. The lower supporting type positioning guide plate is provided with a vertical osteotomy guide groove which is designed and manufactured according to an operation. According to the guide plate, the osteotomy and reduction process in the sagittal split operation of the lower jaw is more accurate through accurate design and positioning, inferior alveolar nerves can be effectively protected, the postoperative stability is improved, compared with the prior art, the safety, accuracy and efficiency of the operation are remarkably improved, risks in the operation are reduced, and the operation cost is reduced. The important clinical application value is realized.

The utility model provides a curettage tool for apical surgery, which comprises a handle, a neck part and a curettage head, the handle is connected with the curettage head through the neck part, the neck part is bent by 80-100 degrees, the curettage head is shovel-shaped, and one end of the curettage head far away from the neck part is provided with a tip. Through the shovel-shaped design of the digging spoon head, the digging spoon can extend into the position where tooth roots are difficult to scrape, and the problem that the included angle between the root tip lesion lingual side and the tooth surface is an acute angle and is difficult to scrape thoroughly is solved. By means of the specially designed angle, diseased tissues right behind and behind the tooth root can be scraped more effectively, residues of granulation tissues can be reduced, the healing speed of root apex bone defects is increased, and the operation efficiency is improved.

The invention discloses a high-precision electronic tooth colorimeter. The high-precision electronic tooth colorimeter comprises a standard light source, an optical fiber probe, a color sensor, an intelligent programmable chip and a liquid crystal display screen, a standard light source and optical fiber color picking technology is adopted, the stability and consistency of the light source are ensured, and ambient light interference is avoided. The color sensor collects RGB original data of tooth reflected light and converts the RGB original data into data of an HSL color space, and the intelligent programmable chip automatically matches the closest color number through an Euclidean distance algorithm of the HSL color space. The system supports an intraoral mode and an extraoral mode, adapts to different colorimetric requirements, supports input functions of different tooth color plate systems, and is more flexible to use. The colorimetric precision and efficiency can be remarkably improved, the rework rate is reduced, the cost is saved, and the satisfaction degree of a patient is improved.

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 invention relates to a cleaning and / or disinfection device for processing a medical, in particular dental, hollow body instrument, with a device container (3) providing a treatment space (2) which serves to receive the hollow body instrument (45) to be processed, with a spray device (4) arranged inside the device container (3) for externally applying a cleaning and / or disinfectant to the hollow body instrument (45), and with a feeding device (32) arranged inside the device container (3) for internally applying a cavity provided by the hollow body instrument (45), in particular a narrow-lumen channel or the like., with the cleaning and / or disinfectant, characterized by a media interface (29) which is in fluidic connection with the feeding device (32) and which is fluidically connected on the media inlet side to a supply line (25, 44) for the cleaning and / or disinfectant, to a supply line (19, 44) for compressed air and to a supply line (22) for a care product.

The invention provides a computer-implemented method for determining the occlusion relationship of three-dimensional digital models of maxillary and mandibular dentitions based on tooth photos, which comprises the following steps: acquiring a first photo of teeth of a patient in an occlusion state, the first photo comprising a plurality of maxillary teeth and a plurality of mandibular teeth; obtaining a first three-dimensional digital model and a second three-dimensional digital model respectively representing the upper jaw dentition and the lower jaw dentition of the patient; rendering the first three-dimensional digital model and the second three-dimensional digital model to obtain a first rendering graph; predicting an optical flow between the first photo and the first rendering graph by using a trained optical flow neural network based on the first photo and the first rendering graph; and based on the optical flow, calculating a first spatial position transformation relationship which can transform the relative position relationship between the first and second three-dimensional digital models to a state closer to the bite state shown by the first photograph, with a solution to solve the PnP problem, and calculating a second spatial position transformation relationship which can transform the relative position relationship between the first and second three-dimensional digital models to a state closer to the bite state shown by the first photograph.

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.

3D cameras may serve as an input to a multi-modal generative artificial intelligence (GAI) model operating on a processor coupled to a non-transitory computer readable medium. Examples of 3D cameras include direct or indirect time-of-flight sensors or structured light systems and may also be coupled to 2D cameras. The GAI comprises a vision transformer configured to analyze an item in an input video or image. The vision transformer comprises self-attention and positional encoding layers. The GAI may be trained using reinforcement learning or fine-tuning involving training images or videos, and it may perform data fusion by combining the 3D information with data from other sensors. The GAI may perform anomalous occurrence detection by training on images or videos corresponding to normal occurrences. The GAI detects differences in an image or video that fall outside of a threshold value. The GAI may also provide safeguards for privacy issues.

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 storage case for dental appliances can include a lid and a base that form an enclosed cavity to receive the dental appliance. The storage case can include a hinge to couple the lid to the base and hold the lid in partially opened and opened predetermined positions with respect to the base. In some variations, the storage case may include one or more drainage holes to facilitate the removal of liquids from within the storage case. The storage cases may also include tactile feedback indicating that the lid is opening and / or closing.

The invention relates to the technical field of oral cavity detection, and discloses an intelligent scoring method and device for dental plaque detection, equipment and a storage medium. The method comprises the following steps: acquiring a tooth image of a target area in an oral cavity; performing dental plaque identification on the tooth image, and determining dental plaque positive site information; and based on the dental plaque positive site information and a target detection mode, determining a scoring result of dental plaque detection of the target area. According to the technical scheme, the dental plaque positive site information in the oral cavity is determined according to the collected tooth image, and then the scoring result of dental plaque detection is determined according to the dental plaque positive site information and the target detection mode, so that the situation that a professional dentist needs to intervene to give a corresponding dental plaque detection result is avoided, and the convenience of dental plaque detection and scoring is improved.