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2438results about "Dentistry" patented technology

Tooth three-dimensional digital model registration and tooth neck line extraction method based on oral scanning and CBCT

The invention discloses a tooth three-dimensional digital model registration and tooth neck line extraction method based on oral scanning and CBCT, and relates to the field of tooth three-dimensional digital model registration. Comprising the following steps: respectively acquiring three-dimensional oral images of oral scanning and CBCT (cone beam computed tomography), and automatically segmenting three-dimensional structures of dental crowns and teeth by utilizing pre-trained V-Net and ToothNet image segmentation models. Alignment and registration of two modal images are realized through a feature extraction network, an information exchange network and a rigid transformation network. The feature extraction network extracts local and global features by using far-point sampling and a dynamic graph convolutional neural network, the self-attention and cross-attention module performs feature enhancement and information exchange between the same mode and different modes, and based on a registration result, a tooth neck line is further extracted and optimized. According to the method, the tooth three-dimensional digital model can be quickly and accurately registered, a high-precision tooth neck line extraction result is provided, the manpower and time cost of a medical institution can be reduced, and the medical efficiency is improved.
Owner:CHONGQING UNIV OF POSTS & TELECOMM +1

Personalized tooth modeling method and system based on digital oral cavity imaging

The invention discloses a personalized tooth modeling method and system based on digital oral cavity imaging, and relates to the technical field of digital modeling. The invention discloses a personalized tooth modeling system based on digital oral imaging. The personalized tooth modeling system comprises a data acquisition module, a model construction module, a model fusion module, a tooth gap labeling module, a tooth health prediction module and a nursing matching module. According to the method, the personalized tooth model is generated by synthesizing the tooth structure and activity range data of the user, and the deep cleaning scheme and the daily nursing scheme are accurately matched according to the tooth gap and tooth surface health condition, so that the nursing scheme of each user can be customized according to the unique oral cavity condition; by comprehensively acquiring the tooth and jaw structure, the tooth movement range and the health information of the user, the accuracy and comprehensiveness of the model are ensured, and sufficient data support is provided for subsequent cleaning and nursing schemes.
Owner:SHANGHAI HENGYANG DENTAL CLINIC CO LTD

AI enhanced real-time occlusion detection system based on intraoral image

The invention relates to the field of oral medical diagnosis, and discloses an intraoral image-based AI enhanced real-time occlusion detection system, which comprises a multi-source intraoral image acquisition module for acquiring dynamic oral image data through a high-definition oral endoscope and recording a three-dimensional structure of a tooth surface by combining a laser scanning device, meanwhile, force distribution of an occlusion contact point is collected through a pressure sensor array; the multi-source intraoral image acquisition module comprises a timestamp synchronization unit and is used for performing multi-source synchronization on an oral image frame sequence and occlusal force distribution data by utilizing a unified timestamp; through the multi-source in-port image acquisition module, synchronous acquisition of dynamic images, three-dimensional structure data and bite force distribution is realized, and time sequence consistency of the data is ensured through timestamp marking. Compared with a traditional single data source collection mode, the multi-source collection can comprehensively record dynamic characteristics in the occlusion process, rich and accurate input is provided for subsequent AI analysis, and data missing or collection deviation is avoided.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Oral scanning method, computing device and computer program product

The invention provides an oral cavity scanning method, computing equipment and a computer program product. The method comprises the steps that oral cavity scanning data are obtained by scanning an oral cavity provided with a scanning rod, and the scanning rod is fixed to an implanted component; identifying scanning data of a scanning rod in the oral cavity scanning data; standard model data of a three-dimensional entity capable of being installed on the implanted part is converted into a coordinate system where oral cavity scanning data is located; and removing the scanning data of the scanning rod from the oral cavity scanning data, and splicing the converted standard model data of the three-dimensional entity to the oral cavity scanning data after the scanning data of the scanning rod is removed to obtain overall data of the oral cavity. In this way, scanning rod data can be replaced with data of different three-dimensional entities (such as an abutment or an expanded scanning rod) in the oral cavity scanning stage and spliced to oral cavity scanning data, the workflow is simplified, and expandability of oral cavity scanning is achieved.
Owner:SHANGHAI ALLIEDSTAR MEDICAL TECH CO LTD

Oral cavity detection method based on intelligent tooth socket

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.
Owner:HANGZHOU XIAOAN MEDICAL TECH CO LTD

Apparatus, methods, and systems for delivery and administration of pharmaceutical, therapeutic and cosmetic substances to users

Apparatus, methods, and systems for delivery and administration of pharmaceutical, therapeutic and cosmetic substances to users. The method includes providing a removable capsule having an atomizer, inserting the removable capsule in a channel of a base unit of a device. The channel is in fluid communication with a mixing chamber of the base unit, and the base unit defines openings on the base unit configured to receive a portion of a conduit and a removable air mover unit. Further, the method includes dispensing, using the atomizer, the at least one medication from the removable capsule to the mixing chamber of the base unit, and using the removable air mover unit, causing air and the at least one medication within the mixing chamber to be conveyed from the mixing chamber to the conduit such that air and the at least one medication dispensed from the removable capsule exits the conduit.
Owner:MICRONEB TECH HLDG INC

Impacted wisdom tooth extraction resistance analysis simulation method and system based on CBCT and AI segmentation

ActiveCN120874621AImage enhancementImage analysisWisdom toothBone quality
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.
Owner:NANCHANG UNIV

Flexible sensor with multi-layer porous net structure and preparation method of flexible sensor

The invention belongs to the technical field of flexible sensors, and particularly discloses a flexible sensor of a multi-layer porous net structure and a preparation method of the flexible sensor, and the flexible sensor comprises a functional layer and two flexible packaging layers. The functional layer is arranged between the two flexible packaging layers, the functional layer comprises a plurality of porous sensing structures which are arranged in a laminated manner, and each porous sensing structure comprises a nanometer latticed supporting layer and a sensing layer which are arranged in a laminated manner; the surfaces, connected with the functional layer, of the two flexible packaging layers are each provided with a protrusion array. The sensor has a wide mechanical response range while high sensitivity of the sensor is maintained, is good in flexibility, ultrathin, small in size and light in weight, hardly affects mandibular movement, can accurately monitor occlusal force, hardly causes inconvenience to muscle joint movement of a human body, and is suitable for popularization and application. And the flexibility is maintained under various mechanical deformations such as distortion, stretching or compression, and the multi-axial force can be detected.
Owner:LANZHOU UNIV

Real-time oral health monitoring system based on intelligent imaging technology

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.
Owner:XIAN CENT HOSPITAL

Dental plaque detection device, dental plaque detection method, and program

PCT designated stage expiredWO2024253058A1Image enhancementImage analysisNatural toothImaging processing
This dental plaque detection device comprises: an acquisition unit (101) for acquiring a first RGB image from reflected light and fluorescence from teeth, dental plaque, and tartar in an oral cavity irradiated with irradiation light of a predetermined wavelength; and a detection unit (102) for generating a second RGB image by performing image processing including first image processing on the first RGB image, and detecting the amount contained, per unit area, of a fluorescent substance contained in tartar and dental plaque attached to the teeth, on the basis of the second RGB image. The first image processing is processing for: extracting a natural tooth region to which dental plaque and tartar are not attached from the first RGB image; and adjusting the gain of at least two color components from among the red, green, and blue components of the first RGB image such that a first red pixel average value of a plurality of red pixel values of a plurality of first pixels constituting the natural tooth region, a first green pixel average value of a plurality of green pixel values of the plurality of first pixels, and a first blue pixel average value of a plurality of blue pixel values of the plurality of first pixels are made equal to each other.
Owner:PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD

Alveolar bone noninvasive detection method based on spatial offset Raman spectrum technology

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.
Owner:PEKING UNIV SCHOOL OF STOMATOLOGY

Oral cavity opening device clinically applicable to department of stomatology

The invention relates to the technical field of medical instruments, in particular to an oral cavity opening device clinically applicable to the stomatology department, and aims to solve the technical problems that an existing oral cavity opening device is simple in structure and single in function, the opening size cannot be freely adjusted, and meanwhile during examination, the opening size cannot be freely adjusted. In the prior art, medical staff need to observe pathological changes in the oral cavity of a patient with naked eyes, efficiency is low, and the risk of cross infection is brought to the medical staff. According to the technical scheme, the device comprises a fixing support, two positioning blocks are fixedly installed in an inner cavity of the fixing support, and a limiting rod is rotationally connected between the opposite sides of the two positioning blocks through a bearing. The oral cavity expanding device has the advantages that by arranging the expanding unit, the opening and closing degree of the oral cavity of a patient can be adjusted, by arranging the positioning unit, the expanding unit can be positioned, the use stability of the expanding unit is improved, by arranging the camera shooting mechanism, the oral cavity of the patient can be shot, and cross infection caused by visual inspection of medical staff is avoided.
Owner:GUIZHOU PROVINCIAL PEOPLES HOSPITAL

Method and apparatus for displaying oral data, computing device and program product

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.
Owner:SHANGHAI ALLIEDSTAR MEDICAL TECH CO LTD

A mouth opener

ActiveCN222693593UDentistry
The utility model discloses an oral opening device, which relates to the technical field of medical devices. It comprises a palatal pressure head, wherein two support rods are arranged at the bottom end of the palatal pressure head, a rotating rod is movably connected to the side of the support rod, a shaping rod is connected to the rod body of the rotating rod, and a gum pressure plate is connected between the two shaping rods; cheek pushers are arranged on both sides of the palatal pressure head, and the cheek pushers include a length-adjustable insertion rod, and a pushing head is fixed at the end of the insertion rod. The utility model is provided with a palatal pressure head, a cheek pushing member and a support rod. After installation, the palatal pressure head presses against the upper jaw to open the patient's mouth, and the pushing plate is released. Under the elastic force of the spring, the insertion rod moves to both sides, and the pushing head pushes the cheek, so that the inner side of the cheek and the outer side of the tooth form a certain distance, thereby realizing the separation of the inner side of the cheek from the teeth, making it convenient for doctors to fill, repair or reconcile the teeth, improving the safety of the operation, and increasing the comfort of the patient.
Owner:合肥市口腔医院

Oral cavity three-dimensional scanning system and control method thereof, electronic equipment and storage medium

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.
Owner:HUASHENG UNIVERSAL (GUANGDONG) TECHNOLOGY CO LTD

Image processing apparatus and method, program, and storage medium

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
Owner:CANON KK

High-resolution ultrasonography of gingival biomarkers for periodontal diagnosis in healthy and diseased subjects

ActiveUS20250032087A1Organ movement/changes detectionDentistryDiseaseCementoenamel junction
A method for measuring periodontal disease and treating diseases associated therewith includes: obtaining B-mode ultrasound images of a dentition and periodontium of a patient; identifying gingival margin (GM), alveolar bone crest (ABC), cementoenamel junction (CEJ), periodontal ligament (PDL), and gingival edge (GE) biomarkers on the B-mode ultrasound images, the GE biomarker being a part of periodontal soft tissue most distal from a tooth surface; evaluating a metric associated with periodontal disease using one or more of the GM, ABC, CEJ, PDL and GE biomarkers and based at least in part on the evaluating, performing an act that implements and / or adjusts a therapeutic treatment of a periodontal disease.
Owner:RGT UNIV OF CALIFORNIA +1

Postoperative curative effect monitoring system for maxillofacial surgery

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.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

Mandibular movement modeling method, electronic equipment and storable medium

The embodiment of the invention relates to the technical field of medical instruments, and discloses a mandibular movement modeling method, electronic equipment and a storable storage.The mandibular movement modeling method comprises the steps that image data pictures of the mandible of a patient at different positions are received, and a three-dimensional maxillary model and a mandibular model are digitized; the image data picture at least can display a part of maxillary dentition and a part of mandibular dentition; according to the relative position of the maxillary dentition and the mandibular dentition in the image data picture, determining the spatial position and posture of the digital three-dimensional mandibular model relative to the maxillary model; wherein the image data pictures of different positions of the mandible correspondingly determine the spatial position and posture of one mandible model; and analyzing each spatial position and posture of the determined mandibular model to obtain a movement track of the mandibular model relative to the maxillary model, thereby solving the problem of automatically establishing the mandibular dynamic movement model conforming to the actual condition of the patient.
Owner:SHANGHAI SMARTEE DENTI TECH CO LTD

Illumination System

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.
Owner:SCHOTT AG

Occlusion contact quantitative analysis method and system for three-dimensional dentition scanning data and storage medium

PendingCN120713674ADentistryOral medicineDistofacial
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.
Owner:PEKING UNIV SCHOOL OF STOMATOLOGY

Periodontal tooth health monitoring biosensor system

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.
Owner:THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL

Auxiliary positioning lighting device for jaw osteomyelitis operation

ActiveCN222130301UTraumaprecise resectionDentistryEndoscopesJaw boneJaw osteomyelitis
The utility model provides an auxiliary positioning lighting device for a jaw osteomyelitis operation, belongs to the technical field of jaw osteomyelitis operation equipment, and solves the technical problems that a doctor needs to spend a long time in judging the position and boundary of a jaw osteomyelitis focus in the operation process, the operation view is not clear, lighting is difficult and the like. The device comprises a positioning guide plate, the positioning guide plate comprises a tooth socket and a wound covering plate, a connecting plate is integrally formed between the tooth socket and the wound covering plate, a sliding groove is formed in the rear end of the connecting plate, a sliding block is connected in the sliding groove in a sliding mode, a bolt is fixed to the upper position of the rear end of the sliding block, and a long groove used for sliding of the bolt is formed in the connecting plate. A connecting mechanism is arranged at the lower position of the rear end of the sliding block, and a supporting mechanism is arranged on the connecting mechanism. The device has the advantages that the nidus of jaw osteomyelitis is positioned in real time, illumination of the operation field is kept, illumination does not need to be continuously adjusted after the position of the head of a patient is adjusted in the operation process, operation wounds are reduced, operation efficiency is improved, and the like.
Owner:THE FIRST AFFILIATED HOSPITAL OF FUJIAN MEDICAL UNIV

Pile-core intraoral scanning column

The utility model relates to the technical field of dentistry, in particular to a post-core intraoral scanning column, and aims to overcome the defect that an existing scanning column is difficult to position. The scanning column is used for being inserted into a root canal pile way so that an intraoral scanner can scan a root canal with the scanning column, the scanning column comprises a top and a pile part, the top is fixedly connected with the pile part, and a positioning face is arranged on the top and used for positioning the position of the scanning column in the root canal pile way. Compared with the prior art, the utility model has the advantages that the scanning column in the stake core port is matched with the clinical tooth stake channel, and the positioning surface of the scanning column is used for positioning the scanning column, so as to confirm the position information such as orientation and angle of the scanning column in the stake channel, thereby obtaining the information such as diameter and depth of the stake channel according to the position of the scanning column in the stake channel; and the obtained result is more accurate.
Owner:DENTAL HOSPITAL AFFILIATED TO FUJIAN MEDICAL UNIV

Drying rack device

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.
Owner:KESSELL RITA

Adjustable oral soft tissue traction fixing device for apical surgery

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.
Owner:THE FIRST MEDICAL CENT CHINESE PLA GENERAL HOSPITAL

Orthodontic periodontal membrane mechanical testing device

The invention relates to the technical field of oral medical instruments, and discloses an orthodontic periodontal membrane mechanical testing device which comprises a table body, a base, two clamping assemblies, two driving assemblies and a pressure measuring assembly. The two clamping assemblies are slidably arranged on the two sides of the base correspondingly, each clamping assembly comprises a clamping base of an arc-shaped structure, a cavity is formed in the side, away from the base, of the interior of each clamping base, an air inlet hole communicating with the cavity is formed in each clamping base, and a plurality of through holes communicating with the cavities are formed in the side wall, close to the base, of each clamping base; a clamping rod for selectively clamping the alveolar bone and the teeth is connected into the through hole in a sliding manner; the two driving assemblies are used for driving the corresponding clamping assemblies to get close to or away from the base. The pressure measuring assembly is used for applying pressure to the alveolar bone and the teeth in the vertical direction. According to the invention, the surfaces of the alveolar bone and the teeth can be fixed from a plurality of positions, and the alveolar bone and the teeth can be protected while the plurality of clamping rods are in contact with the surfaces of the alveolar bone and the teeth.
Owner:CENT SOUTH UNIV

A handheld, multimodal dental diagnostic device for assessing pulp vitality

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.
Owner:BHAGOL AMRISH +4

Intraoral three-dimensional imaging device

PendingCN119073916ASuitable for 3D measurementFast imagingDentistrySensorsOphthalmology3D modeling
An intraoral three-dimensional imaging device comprises a monocular blue light speckle structured light projector, a white light LED illumination module, a macro RGB camera, a depth decoding module, an inertial measurement unit IMU module and an oral cavity scanning head, the monocular blue light speckle structured light projector emits blue light speckle coding patterns, the white light LED illumination module emits white light, the monocular blue light speckle structured light projector and the white light LED illumination module project alternately, and the blue light speckle coding patterns and the white light are coded. After being reflected by the 45-degree mirror surface of the oral cavity scanning head, the light is irradiated to the oral cavity teeth, then the macro RGB camera collects the irradiated oral cavity tooth image, and RGBD data is output after the monocular structure light depth decoding of the depth decoding module. The device has the advantages of being small in size, good in imaging effect of resisting high reflection or semitransparent of a dental face, high in 3D modeling precision, high in generation speed and capable of removing the influence of water mist in an oral environment.
Owner:葛晨阳