135results about "Dentistry" patented technology

The present disclosure relates to the technical field of medical devices, in particular to an oral cavity expansion device. The present disclosure comprises a driving handle detachably connected to the outside of a mounting body; a clamping assembly arranged between the mounting body and the driving handle, the clamping assembly being used for locking the driving handle on the mounting body; a driving assembly arranged in the driving handle; a transmission assembly arranged in the mounting body; a connecting assembly having one end connected to the output end of the driving assembly and the opposite end connected to the input end of the transmission assembly; an expansion assembly connected to the output end of the transmission assembly, the expansion assembly having a supporting end for supporting the oral cavity, the transmission assembly being used for converting the force of the driving assembly into the force of the supporting end for expanding the oral cavity of the patient; and a limiting assembly for locking the expansion state of the supporting end. The present disclosure can reduce the probability of the device being touched by medical staff during operation, thereby reducing the discomfort and potential harm of the patient.

The utility model discloses a bow wire torque angle measuring device for measuring the size of the torque angle of the bending on the bow wire. The device comprises: an angle measuring scale, a clamp seat and a connecting base; the surface of the clamp seat is provided with a bow wire accommodating groove, one end of the bow wire accommodating groove abuts on the origin of the angle measuring scale, the extension direction of the bow wire accommodating groove is directly opposite to the origin of the angle measuring scale, and the reading is along the direction directly opposite to the angle measuring scale, so that the size of the torque angle on the bow wire can be accurately read. After the corresponding torque is bent, the doctor places the bow wire on the device to read the torque angle, and judges whether the torque of the bow wire is within the preset range through the reading. Therefore, after using the device, the accurate torque angle can be bent on the bow wire, the influence of the error of manual bending on the force expression effect of the bow wire is avoided, the force of the bow wire is more accurate, the correction effect is more delicate, and the treatment period is shortened.

This invention relates to the field of dental instrument technology, and in particular to a scaling tool capable of quickly identifying the working blade and its method of use. The scaling tool includes a handle and a working end. The working end has a working blade for contacting the tooth surface and an opposing non-working side; the scaling tool is also provided with a marking section corresponding to the working blade. This invention improves the speed and accuracy of dentists and instrument sharpeners in identifying the working blade, increases dentistry efficiency, and avoids unnecessary wear and tear on instruments.

Computer-implemented data processing system for the automatic determination of a relative positional relationship between the upper and lower jaw, in particular a maximum intercuspal position (MIP), comprising: > a) an input interface (110) configured to receive > at least two separately captured three-dimensional dental > geometries of an upper and a lower jaw; > > b) a pre-registration module (120) configured to determine > an initial spatial assignment of the individual jaw geometries > to each other based on geometric features of the dental arches; > > c) a fine-registration module (130) configured for iterative > refinement of the spatial assignment by minimizing a > distance or correspondence measure between corresponding > surface areas; > > d) a contact optimization module (140) configured to determine > an optimal relative position by maximizing the number or > quality of occlusal contact points while simultaneously minimizing > penetrations between the dental geometries;> > e\) an output interface (150) configured to provide > the specified relative positional relationship as a transformation matrix, > contact point list and / or registered model pair for downstream > analysis, simulation or manufacturing systems.;

The utility model discloses a full -wrap formula toothpaste, including backing layer, the upper toothpaste is connected with in the upper part of one side middle part of backing layer, the lower toothpaste is provided with below upper toothpaste, upper toothpaste and lower tooth paste outside all are provided with a plurality of extension pastes, upper toothpaste, lower toothpaste and one side of extension pastes all are provided with plastic film layer, one side of plastic film layer is provided with elastic gel layer, is provided with the adhesive on plastic film layer. Advantageous effects lie in: the utility model discloses through setting extension pastes, adhesive and protection pastes, can make protection pastes connect with plastic film layer through adhesive, and when the user connects upper toothpaste, lower toothpaste and extension pastes, the user separates protection pastes, then makes upper toothpaste, lower toothpaste and extension pastes interconnect through adhesive, can all be wrapped to user's teeth, and then carries out the whitening protection to the teeth, and the convenient use improves practicality.

Provided is a multipurpose periodontal probe structure, comprising a handle (1) and a probe (2). A front side of the handle (1) is provided with a groove (9), and an inner side wall of the groove (9) is provided with a channel (18). An outer wall of the handle (1) is provided with a sliding groove (10), an inner bottom wall of the sliding groove (10) is provided with a through groove (11), and the inner bottom wall of the sliding groove (10) is fixedly connected to a spring (12). The top of the spring (12) is fixedly connected to a pressing block (13). A clamping block (8) is slidably sleeved on an inner wall of the through groove (11). An outer wall of the probe (2) is provided with a clamping groove (7). The pressing block (13) is pressed by means of the exterior of the handle (1), and the pressing block (13) may move toward the interior of the sliding groove (10). Then, the clamping block (8) may be driven to move upward by means of a rotating plate (15). The clamping block (8) may move by means of the through groove (11), and then one end of the clamping block (8) detaches from the clamping groove (7), such that the probe (2) can be detached and replaced, thereby reducing the cost of the periodontal detection instrument.

This invention discloses a pediatric buccal mucosa protection device to prevent biting after local anesthesia in the dental field. It includes two support pieces; each support piece has a groove on its far side to accommodate the lips, and each support piece has an inner cavity filled with lubricant. The inner wall of the groove has micropores, and the inner cavity communicates with the groove through these micropores. Each support piece has an integrally formed elastic protrusion on its near side. A support mechanism is provided between the two support pieces, including two oppositely distributed fixing frames, and the support pieces are detachably connected to their respective fixing frames. This pediatric buccal mucosa protection device, through the use of fixing frames and movable columns, not only limits excessive mouth closure by the movable columns, preventing biting due to loss of sensation after local anesthesia, but also allows for timely replenishment of lubricant by squeezing the elastic protrusions, improving wearing comfort and increasing the efficiency of the protection device.

This invention belongs to the field of oral medicine technology and relates to a method, system, device, and storage medium for designing a universal donor tooth model for autologous tooth transplantation. The method includes: acquiring multiple images of wisdom teeth as raw data; extracting vertex information from the raw data and removing outliers to obtain point cloud data; classifying the point cloud data according to the growth location and root morphology of the wisdom teeth to obtain various types of datasets; registering any two point cloud data sets in the same type of dataset to obtain a reference coordinate system for multi-point cloud registration; during the registration process, removing unregisterable wisdom tooth point cloud data to obtain filtered point cloud data; fusing the registered and filtered point cloud data to obtain a fused point cloud, calculating the local density of the fused point cloud and filtering it, retaining the dense part of the point cloud as a preliminary model; extracting the point cloud boundaries of the preliminary model and then smoothing it to obtain universal donor tooth models of different sizes for autologous tooth transplantation.

The present invention relates to a portable optical magnification device with a multispectral illumination unit (UV, IR, and white light), an optical magnification unit, and AI-supported analysis for real-time anomaly detection. The device combines magnification, illumination, and augmented reality displays in a modular and ergonomic design. Application areas include medicine (e.g., detection of infected tissue), forensics (e.g., evidence collection), and engineering (e.g., materials testing). The illumination unit enables fluorescent and polarized light analysis, while interchangeable microscope lenses provide flexible magnification. Diagnostic results are processed by AI and visualized in real time within the user's field of vision.

The application provides a multifunctional root canal treatment measuring table, and relates to the technical field of root canal treatment measurement. The multifunctional root canal treatment measuring table comprises a main body mechanism, a root canal measuring table is fixedly arranged at the front end of the main body mechanism, a gutta-percha point cutting mechanism is fixedly arranged at the middle position of the main body mechanism, a soaking disinfection mechanism is fixedly arranged at the rear end of the main body mechanism, a root canal file cleaning mechanism is clamped at the upper end of one side of the soaking disinfection mechanism, the root canal file cleaning mechanism comprises a connecting seat, an ejection column is fixedly arranged at the middle position of the upper surface of the connecting seat, connecting rods are fixedly arranged on the two sides of the upper surface of the connecting seat, and cleaning tables are connected to the upper ends of the two connecting rods through springs. The root canal measurement, gutta-percha point cutting, soaking disinfection and root canal file cleaning functions are integrated, the problems of instrument scattering, complicated operation and inconvenience in use in the prior art are effectively solved, and the treatment efficiency and operation safety are significantly improved.

The application provides a multi-modal intelligent dental diagnosis and treatment method and system, comprising: an intelligent saliva suction device pre-processes, bubble detects and eliminates saliva samples with a collection standard, and obtains processed saliva samples; the processed saliva samples are distributed to multiple channels; an exhalation sampling headrest collects breathing samples, and a flexible wearable unit collects physiological data; the processed saliva samples, the breathing samples and the physiological data are used as multi-dimensional heterogeneous data; the multi-dimensional heterogeneous data is input into corresponding equipment to obtain electrochemical data and spectral data; the electrochemical data and the spectral data are pre-processed and feature-extracted to obtain feature data; the feature data is divided into multiple stages by using a sliding time window mechanism, high-frequency data is statistically down-sampled, the feature data is subjected to a multi-modal fusion engine, and the current state of a patient is compared with historical personal baseline to output a deviation score and a radar chart.

The utility model discloses a kind of optical fiber sensing formula light-curing lamp of deformability, it is related to medical instrument technical field, including handle, the outer surface of handle is fixedly installed with lamp pole, the outer surface of handle is fixedly installed with display screen, the side of handle away from lamp pole is fixedly installed with charging end;The inside of lamp pole is provided with the adjusting mechanism of angle convenient to adjust, the adjusting mechanism includes the optical fiber light guide stick of deformability, the optical fiber light guide stick is movably installed in the outer surface of lamp pole.The optical fiber sensing formula light-curing lamp of deformability, angle adjustment is carried out by control switch groove silk drive optical fiber light guide stick, and optical fiber light guide stick is installed with sensor, the distance between real-time sensing and oral cavity interior photosensitive resin is facilitated, to provide position reference for medical staff, and angle adjustment is carried out by the optical fiber light guide stick of deformability, more accurate irradiation to oral cavity interior is realized, reduce the operation time of doctor, guarantee the solidification effect to photosensitive resin.

The present invention provides a pipe cleaning device, a dental treatment device, and a filter unit that clean the filter before the user removes it. [Solution] A pipe cleaning device for cleaning dental treatment piping including a filter, comprising: a holding part 2d for holding a medical vacuum device 40 connected to the first end 44a of a vacuum pipe 44; a filter 601 through which the fluid sucked by the vacuum device 40 passes; a supply part 450 for supplying a cleaning agent into the vacuum pipe 44; and a discharge pipe 500 provided in the holding part 2d and connected to a second end 44b provided on the opposite side of the first end 44a of the vacuum pipe 44 for discharging the cleaning agent to the outside, wherein when the vacuum device 40 is held in the holding part 2d, the height of the first end 44a or the vacuum device 40 from the floor is greater than or equal to the height from the floor of the downward position 203a, which is a position in the discharge pipe 500 facing the floor, and a part of the filter 601 is positioned on the floor side of the downward position 203a.

The present application relates to the technical field of cleaning, and discloses a cleaning support and a cleaning device for oral power accessories, wherein the cleaning support comprises a cleanable containing part, a dry holding part and an isolation connecting part, the cleanable containing part is provided with a first support for fixing and exposing a mouth-inserted accessory; the dry holding part is provided with a second support for supporting and isolating a connecting plug; and the isolation connecting part is connected between the cleanable containing part and the dry holding part. The cleaning device comprises the cleaning support, a box body, a waste liquid tank, an ultrasonic generator, a box cover, a air-drying assembly, an ultraviolet disinfection lamp and a control unit. The above structure realizes overall cleaning and dry isolation, the mouth-inserted accessory, a connecting hose and a connecting plug are fixed synchronously through the cleaning support, the cleanable containing part and the dry holding part are separated by the isolation connecting part, the mouth-inserted accessory can be safely flushed or soaked for disinfection, and the connecting plug is always kept dry, thereby solving the problem that the prior art cannot realize overall cleaning.

Integrated computer-implemented data processing system for fully automatic dental functional analysis from three-dimensional dental geometries, comprising a modular pipeline architecture (100) with at least three of the following processing stages arranged sequentially or in parallel in the direction of data flow: a) a normalization stage (M1), configured to receive b) a registration level (M2), configured for automatic c) an inverse parameter determination stage (M3), configured to d) a simulation stage (M4) configured to simulate relative e) a synthesis stage (M5) configured for automatic Generation of dental surface geometries based on the determined temporomandibular joint parameters and the received dental geometries; wherein the processing stages are connected via defined data interfaces and wherein the output of an upstream stage automatically serves as input for the downstream stage, so that a complete dental functional analysis data set can be generated from the original three-dimensional dental geometries without any manual intermediate step.

This invention belongs to the field of medical experimental technology, specifically relating to a dental pre-anesthesia device based on an edible matrix, its preparation method, and its application. The device includes a handheld stick, a sugar ball, and a receiving box with a through hole. The box contains a gel anesthetic, which consists of an outer layer of sustained-release gel matrix and an inner anesthetic gel unit. The sustained-release gel matrix is ​​made of gelatin, pectin, or sodium alginate and is ring-shaped to conform to tooth shape. The anesthetic gel unit contains components such as lidocaine hydrochloride, chitosan, and carbomer 980, exhibiting high adhesiveness. Preparation involves first obtaining the anesthetic gel unit, then encapsulating it with the sustained-release gel matrix and coating it with sugar, and finally assembling the device. This device, through its edible matrix and sugar coating, transforms the anesthesia process into a "candy-eating" experience, significantly reducing patient fear, precisely conforming to the teeth and gingival margin, preventing anesthetic leakage, and improving the safety and effectiveness of anesthesia, making it particularly suitable for pediatric dental pre-anesthesia.

The application discloses a kind of children oral cavity treatment auxiliary instruments, including Y type support, the upper portion of Y type support is two oppositely distributed support arms, the lower portion of Y type support is telescopic rod, two The support arm can be detachably connected to the upper end of telescopic rod, and the distance between two support arms is adjustable;Between two support arms, transverse dental floss is equipped, and the two ends of dental floss are respectively extended to the lower end of telescopic rod along the channel inside corresponding support arm;Including handle, the telescopic rod is inserted into handle from the upper end of handle, so that telescopic rod and handle form sliding connection;Driving assembly is equipped in the inside of handle, driving assembly is detachably connected with the two ends of dental floss, and dental floss is reciprocated between two support arms by driving assembly.The dental floss of the application reciprocates linearly, support arm does not swing, and the space occupied is compressed to minimum, does not impact gum and surrounding tissue, the stimulation to oral cavity is reduced to minimum, especially suitable for oral cavity treatment of small and sensitive children oral cavity.

The utility model relates to oral medicine gingiva medicine applying technical field, and disclose a kind of oral medicine gingiva medicine applying device, including sleeve, the outer wall of sleeve is fixedly installed with handle, the outer wall of handle is fixedly installed with battery box, the inner fixed installation of battery box is with power cord, the outer wall of battery box is fixedly installed with switch button.The oral medicine gingiva medicine applying device, when needing to carry out medicine applying to the oral gingiva of patient, medicine is input to the inside of storage tank, the storage tank is screwed to the inside of top cover, reaches the effect of tightening connection top cover, medical staff holds handle, presses switch button, controls the opening of illuminating lamp, illuminating lamp is bright, the oral cavity of patient will be irradiated, single-handedly presses the tail of storage tank, relatively, piston plate moves right at this time, and the liquid medicine in the inside of storage tank is extruded into the inside of sleeve, and is sprayed from the front end of sleeve, to realize the effect of medicine applying to gingiva.

The present disclosure provides a dental bleaching guide plate, including a first plate and a second plate, wherein the first plate and the second plate are abutted to form an enclosed deep groove structure, the first plate is provided with a guide hole, a spacing between two opposite side surfaces of the first plate and the second plate is greater than an outer diameter of a neck of a tooth, and there is a gap between the side surfaces of the first plate and the second plate and side surfaces of the tooth. The guide plate can be sleeved onto an exterior of a tooth to inhibit a bleaching agent from coming into contact with other teeth. In addition, a range and an amount of applying a bleaching agent can be accurately controlled, partitioned coloration and bleaching can be implemented, and an administration position can be accurately located.

This utility model provides a maxillofacial bow for denture diagnosis, relating to the field of facial bow technology. It includes a support frame with a nose support assembly in its center; symmetrically arranged first L-shaped arms and second L-shaped arms, each with a first earplug at its front end and a second earplug at its front end; a linkage adjustment mechanism comprising a gear located at the center of the support frame, and a first rack and a second rack meshing with the gear, wherein the first rack connects to the first L-shaped arm and the second rack connects to the second L-shaped arm; the first L-shaped arm has a first clearance groove for accommodating the second rack, and the second L-shaped arm has a second clearance groove for accommodating the first rack; an adjustment knob is coaxially fixed to the gear, and its rotation drives the first rack and the second rack to move in opposite directions, achieving synchronous opening and closing adjustment of the first and second L-shaped arms. The advantages of this utility model are synchronous expansion on both sides, uniform force distribution, no deviation, high precision, and good stability.

The application discloses a preparation method of a bite plate based on a force-induced luminescent material. It belongs to the technical field of oral bite plates and can prepare a bite plate capable of directly and real-timely converting bite force into a visible light signal through a simple process, so that the visualization and semi-quantitative detection of bite contact are realized. The preparation method of the bite plate based on the force-induced luminescent material is characterized in that the method comprises the following steps: (1) synthesizing europium / dysprosium co-doped strontium aluminate force-induced luminescent material SAOED by using a high-temperature solid-phase method, wherein the doping concentration of europium is 2%, and the doping concentration of dysprosium is 1%; (2) mixing the SAOED powder obtained in the step (1) with denture powder according to a mass ratio of 1:7, adding ethanol for dispersion and grinding; (3) adding denture water in a proportion corresponding to the denture powder to the mixture in the step (2), uniformly stirring, and then performing compression molding; and (4) performing water bath heating solidification on the compression molded material, and then performing polishing to obtain the bite plate.

This invention relates to an anastomosis device for gingival surgical incisions, comprising a main body structure, a gripping structure, several staple structures, a staple delivery structure, two power structures, and a staple separation structure. Its advantages lie in that, by rotating the gripping structure to the main body structure, the gripping structure drives the two power structures to move along the length of the main body structure, pressing the staple separation structure towards the staple structure, thus separating the staples; simultaneously, the power structures push the separated staple structures, causing them to move along the staple delivery structure. The staple delivery structure clamps both sides of the surgical incision and deforms the staple structures, separating them from the staple delivery structure, thereby compressing both sides of the surgical incision and achieving anastomosis. This eliminates the need for staples to puncture the gums, reducing trauma, and is simple and convenient to operate. It allows for rapid suturing of surgical incisions, and the protruding staple delivery structure allows for anastomosis of gums deep within the oral cavity.

This application relates to a digital design and fabrication method for autologous tooth transplantation, belonging to the field of digital oral medical technology. The method performs threshold screening and region growth on oral tomographic scan data to construct a three-dimensional model of the donor tooth, the implantation site, and the opposing dentition. A unified coordinate system is established using covariance matrix decomposition, and the geometric matching position is determined through iterative nearest-point calculation with normal vector constraints. The method constructs a multi-objective function to adjust implantation parameters and establishes a heterogeneous finite element model based on voxel grayscale mapping. If the interface stress exceeds the bone resorption threshold, a rotation correction is generated based on the stress-weighted centroid for closed-loop optimization. During the design phase, features of the implantation site are extracted, and a surgical guide containing shrinkable cooling channels is generated based on signed distance field fusion. This guide is then manufactured after printing and scaling compensation. This invention improves the initial stability of the transplanted tooth and the cooling and adaptation performance of the surgical guide by optimizing the implantation pose through biomechanical simulation and closed-loop feedback.

The dental arch image generation apparatus includes: an acquisition unit (51) for acquiring a photographic image of the surface of the dental arch and plaque inside the oral cavity irradiated with light in the wavelength range of blue light; a processing unit (52) for generating a plurality of second dental arch block images by performing white balance processing on each of a plurality of first dental arch block images, which are local dental arch images based on the photographed image; and a synthesis unit (53) for generating a dental arch image by synthesizing the plurality of second dental arch block images.

The application discloses a positioning method of a tooth dynamic resistance center. The method comprises the following steps: firstly, modeling teeth and periodontal membranes according to CBCT data of a patient's oral cavity to obtain an independent three-dimensional model of each tooth and a three-dimensional model of the periodontal membranes; then, calculating the resistance of different regions of each tooth according to the independent three-dimensional model of each tooth and the three-dimensional model of the periodontal membranes; and finally, positioning the resistance center of each tooth according to the resistance of different regions of each tooth. The application uses the actual model of the teeth and the periodontal membranes of the patient as calculation data, and combines the actual movement type of the teeth, so that the three-dimensional position of the accurate resistance center is determined, and the more personalized positioning of the resistance center is determined according to the real situation of the patient and the tooth movement direction. The method has high automation, high accuracy and good repeatability.

An intraoral device including a body including a first light strip arranged on an inner wall upper portion, a second light strip arranged on an inner wall lower portion, a third light strip arranged on an inner wall lower portion, and a fourth light strip arranged on an outer wall lower portion. Each of the first light strip, the second light strip, the third light strip, and the fourth light strip include light sources, each configured to emit light having a wavelength of 441 nm to 459 nm at an intensity of 98 mW / cm2 to 102 mW / cm2. Additionally, each light source has a height no greater than 0.8mm and a viewing angle of at least 125 degrees. The intraoral device includes a battery supported on the body configured to power the light sources and an initiation switch configured to control the flow of electricity from the battery to the light sources.

The invention aims to provide an oral health dispenser based on oral health detection and image recognition, which comprises an oral health detector used for monitoring the oral health state of a patient, detecting the oral pH value, the bacterial level, the dental plaque accumulation, the gingival health condition and the oral temperature, the detector consists of at least one sensing element selected from a pH sensor, an electrochemical sensor, a temperature sensor, an optical sensor and a conductivity sensor; the oral cavity photographing instrument is used for photographing high-definition images of the interior of the oral cavity and teeth of the patient by adopting an endoscope, a 3D scanner or other camera equipment, and transmitting image data to the data analysis and fusion system in a wireless communication mode; the problem that an existing product cannot be individually blended according to the oral cavity condition of each patient, so that the treatment effect is limited is solved. How to automatically blend appropriate therapeutic molecules according to the health condition of a patient and accurately release the therapeutic molecules into the oral cavity of the patient is still the technical problem to be solved urgently.

The present invention provides a pipe cleaning device and dental treatment device that prevent cleaning agents from leaking from vacuum devices, thereby reducing the workload on the user. [Solution] The dental piping cleaning device comprises a holding unit 2d, a supply unit 450, and a discharge pipe 500. The holding unit 2d holds a medical vacuum device 40 connected to the first end 44a of the vacuum pipe 44. The supply unit 450 supplies a cleaning agent into the vacuum pipe 44. The discharge pipe 500 is provided within the holding unit 2d and discharges the cleaning agent to the outside through a second end 44b provided on the opposite side of the first end 44a of the vacuum pipe 44. When the vacuum device 40 is held in the holding unit 2d, the height of the first end 44a or the vacuum device 40 from the floor is greater than or equal to the height from the floor of the downward position 203a, which is the position facing the floor in the discharge pipe.