35 results about "Dental mold" patented technology

The invention discloses five-axis laser cutting equipment for dental cast manufacturing, and relates to the field of laser cutting equipment.The five-axis laser cutting equipment comprises an equipment stand, a sliding stand assembled above the equipment stand, transportation equipment and a feeding and discharging manipulator, the positions of the equipment stand, the transportation equipment and the feeding and discharging manipulator are relatively fixed, and a five-axis machine table is erected on the upper end face of the sliding stand in a sliding mode; the sliding stand is used for adjusting the longitudinal position of the five-axis machine table, a portal frame is fixedly arranged on the upper end face of the sliding stand, a fixing frame is slidably assembled on the portal frame, the portal frame is used for adjusting the transverse position and the axial position of the fixing frame, and a laser lens is fixedly erected on the upper end face of the fixing frame. According to the device, smoke generated at the laser cutting position of the dental cast can be effectively sucked and purified through the cooperative effect of the circulating suction unit and the peculiar smell adsorption unit, solid impurities in the smoke can be effectively filtered out through a circulating suction purification mode, peculiar smell of gas in the smoke can be eliminated, and the practicability of the device is improved. Therefore, the air quality in a factory is guaranteed.

1. The name of the design product: dental mold packaging box (3). 2. The use of the design product: for containing dental mold. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view 1. 5. Design 1 is designated as the basic design.

The invention relates to the technical field of oral cavity rehabilitation auxiliary instruments, in particular to an oral cavity rehabilitation auxiliary retainer for tooth implantation, which comprises two groups of fixing frames, an upper dental model and a lower dental model which rotate in the two groups of fixing frames, the upper dental model is located on the upper side of the lower dental model, and an adjusting assembly is arranged in each fixing frame. The adjusting assembly comprises a movable groove, a first rotating shaft, a ratchet wheel, a second rotating shaft, a torsion spring and a movable plate. Through the arrangement of the adjusting assembly, the angle of the upper dental cast and the angle of the lower dental cast can be adjusted, in the actual use process, the auxiliary retainer can be adjusted according to the size of the oral cavity of a patient so that the auxiliary retainer can be suitable for different types of patients, and meanwhile when the retainer is adjusted to the proper angle, the angle of the upper dental cast and the angle of the lower dental cast can be adjusted. The user cannot change the angle through the occlusal force of the mouth, so that the user can conveniently observe the interior of the oral cavity of the patient, and the user can more smoothly carry out the oral rehabilitation process.

1. The name of the design product: dental mold packaging box (2). 2. The use of the design product: for containing dental mold. 3. The design features of the design product: in shape. 4. The picture or photo that best indicates the design features: perspective view.

The present application provides a dental mold cleaning device and method, which includes: a cleaning frame for placing the dental mold; at least one detergent cleaning mechanism for cleaning the dental mold in the cleaning frame with detergent; at least one clean water cleaning mechanism for cleaning the dental mold in the cleaning frame with clean water; a drying mechanism for drying the dental mold in the cleaning frame; a workpiece lifting and transverse movement mechanism connected to the cleaning frame, the cleaning frame being driven by the workpiece lifting and transverse movement mechanism to sequentially enter the detergent cleaning mechanism and the clean water cleaning mechanism, and finally enter the drying mechanism; and a detergent circulation mechanism connected to the detergent cleaning mechanism and used to circulate and filter the detergent in the detergent cleaning mechanism. The device aims to solve the technical problems of low production efficiency, poor cleaning quality stability, and a cleaning environment that is harmful to human health in the existing manual cleaning technology.

A production system and method of dental instrument. After constructing a digital three-dimensional (3D) model of patient's teeth, pre-processing operations, comprising identifying gum lines on the digital 3D model and adding identifier information to the digital 3D model, are performed on the digital 3D model, and 3D printing is performed on the basis of the identifier information of the digital 3D model to obtain a first dental mold; and a film press processing is performed according to the first dental mold to obtain a second dental mold, identifier identification is performed on the second dental mold, and the identifier information is marked on the second dental mold according to the identification result to obtain a dental appliance. The production system and method are applied to the technical field of dental appliance production.

The embodiment of the invention provides a water-based environment-friendly cleaning solution for a 3D printing dental cast as well as a preparation method and application of the water-based environment-friendly cleaning solution. The water-based environment-friendly cleaning solution for the 3D printing dental cast is prepared from the following components in percentage by mass: 70 to 90 percent of deionized water, 10 to 25 percent of organic solvent complex liquid, 1.5 to 6.5 percent of surfactant, 1.1 to 2.7 percent of pH buffer agent, 1 to 5 percent of zirconium oxide nano particles and 0.05 to 0.5 percent of stabilizer. The water-based environment-friendly cleaning fluid for the 3D printing dental cast has efficient cleaning capacity, the single-time cleaning amount can reach 75 dental cast / L, a good cleaning effect can still be kept after the cleaning fluid is recycled for 10 times, and it can be guaranteed that the dental cast does not have the swelling deformation problem. The flash point of the water-based environment-friendly cleaning fluid for the 3D printing dental cast is larger than 100 DEG C, flammable and explosive risks do not exist, the VOC emission amount is lower than 50 g / L, environmental protection laws and regulations are met, in addition, the cost is low, and large-scale production and application are convenient.

The application discloses a five-axis laser cutting equipment for dental mold manufacturing and relates to the field of laser cutting equipment, which comprises an equipment rack, a sliding rack, conveying equipment and a feeding and discharging manipulator, wherein the three are relatively fixed in position, the upper end surface of the sliding rack is slidably provided with a five-axis machine table, the sliding rack is used for adjusting the longitudinal position of the five-axis machine table, the upper end surface of the sliding rack is fixedly provided with a portal frame, the portal frame is slidably provided with a fixing frame, the portal frame is used for adjusting the transverse position and the axial position of the fixing frame, and the upper end surface of the fixing frame is fixedly provided with a laser lens, the cooperation of the circulating suction unit and the peculiar smell adsorption unit can effectively suck and purify the smoke generated during the laser cutting of the dental mold, the circulating suction and purification mode can effectively filter the solid impurities in the smoke, the peculiar smell of the gas in the smoke can be eliminated, and therefore, the air quality in the factory is ensured.

This invention discloses a system and method for controlling the placement of a 3D printing tray for dental models, belonging to the field of dental instrument manufacturing technology. The system includes a deviation detection device, a force application device, and a control device. The deviation detection device detects a deviation at a first position on the printing platform; the force application device applies a control force to a second position on the tray corresponding to the first position; and the control device controls the sequence and magnitude of the control force applied by the force application device to the second position on the tray based on the deviation value at the first position. The method is implemented based on the corresponding system. The control device of this invention controls how the force application device applies control force to the tray based on the deviation value of the printing platform detected by the deviation detection device, thereby reducing the instantaneous impact of the tray on the printing platform. This ensures that after the tray is installed on the printing platform, the deviation of the printing platform is within the required range, guaranteeing the quality of the dental model printing.

The invention relates to the field of tooth socket machining, in particular to a die pressing device for tooth socket die machining and a using method thereof.The die pressing device comprises a base, guide columns are symmetrically installed above the base, a top seat is installed above the guide columns, a sliding seat is slidably connected to each set of guide columns, and a hydraulic cylinder is installed between the upper portion of each sliding seat and the top seat; and a lower mold is mounted above the base. The bolt is rotated to drive the sliding block to move, linear motion is converted into left-right swing of the rotating plate through cooperation of the sliding block and the sliding groove, and therefore the transverse angle of the dental cast is adjusted; the angle of the tooth mold can be independently rotated by lifting the tooth mold, and the tooth mold is automatically locked by the spring, so that the accurate pose adjustment of the tooth mold is realized, the mold is prevented from being opened again due to adjustment, and the correction cost is obviously reduced. During forming, the annular air bag is inflated and then fills a dental cast gap, the air bag is gradually shrunk after the material is injected, the material is guided to tightly fill the tooth space, the tooth socket is accurately formed at the tooth space position, and a tooth socket product attached to the tooth shape is obtained.

The invention relates to a method for manufacturing an orthopedic appliance comprising at least one functional joint guidance aligner (1), which method consists in • Acquiring and recording first data relating to the dental molds (2) of the patient, • Acquiring and recording second data relating to a three-dimensional view of the skull (3) of the patient, • Combining the first and second recorded data, • Performing mandibular segmentation on the "combined" image, • Acquiring and recording a natural opening movement involving pure rotation, • Determining and recording a target position of the jaw of the patient, • Determining and recording occlusal guidance planes for temporomandibular joint repositioning, • Using the data relating to occlusal guidance planes for temporomandibular joint repositioning in order to design at least one maxillary and / or mandibular model (9) allowing the manufacture of at least one functional joint guidance aligner (1).

This application relates to a force measuring device and method for an expander. The force measuring device includes a base plate, a clamping plate assembly, a force adjusting assembly, and a tension sensor. The clamping plate assembly includes a first clamping plate and a second clamping plate, which are slidably connected to the base plate along the expansion direction. The force adjusting assembly is connected to the second clamping plate along the expansion direction and is connected to the tension sensor. During force measurement, two dental mold flaps of a dental model are connected above the first and second clamping plates, respectively. A traction force is applied to the second clamping plate through the force adjusting assembly, and the tension sensor records the tension value of the force adjusting assembly in each state. This application can measure the expansion force of the expander in various states under different expansion amounts, enabling the quantification of the expansion force index. This facilitates the assessment of the optimal replacement time of the expander during the expansion process and has advantages such as simple structure and strong practicality.

The invention discloses an invisible dental arch expansion appliance and a preparation method thereof, and solves the technical problem that the opening effect of a palate center joint is poor when an upper jaw dental arch is expanded in the prior art. The appliance comprises a tractor, a left tooth socket and a right tooth socket, the left tooth socket is provided with a left jaw pad and a left traction hook, and the right tooth socket is provided with a right jaw pad and a right traction hook; an expansion driving mechanism is arranged between the left and right tooth sockets. The preparation method comprises the following steps: preparing a patient dental cast, and positioning the spiral dilator, the jaw pad and the traction hook on the dental cast; manufacturing a retention base plate covering the whole dental cast by using a dental high-molecular transparent material in a hot press molding manner; the denture is taken down, the denture tissue surface is filled with bonding resin, and the spiral expander fixing arm area is filled with bonding resin, so that the spiral expansion period fixing arm and the denture are fully bonded and fixed; and the retention base is cut into a left part and a right part along the front-back middle line of the dilator. According to the invention, the problems of dental arch stenosis and irregular dentition of moderate and severe dental arch crowding patients and the problems of insufficient maxillary development and excessive mandibular development of deciduous teeth and tooth replacement periods can be effectively solved.

1. The name of the design product: dental tray. 2. The use of the design product: dental mold. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: combination of use state diagram. 5. Component 1 is the upper dental tray; component 2 is the lower dental tray.

The application provides a tooth width calculation method of a mouth scanning dental mold, a storage medium and an electronic device, and the method comprises the following steps: acquiring a mouth scanning dental mold image, segmenting the mouth scanning dental mold image according to single teeth to obtain a plurality of tooth images; acquiring a certain tooth image, calculating the centroid coordinates corresponding to the tooth image, and calculating the reference point coordinates corresponding to the tooth image according to the centroid coordinates; taking the connecting line of the centroid coordinates and the reference point coordinates as a reference axis, determining two pixel points with the largest distance to the reference axis on the current tooth image, and taking the width between the two pixel points as the tooth width of the current tooth image; repeating the above steps until the tooth widths of all tooth images are calculated, and outputting the sum of the tooth widths of all tooth images. Since the reference axis of each tooth image is adaptively adjusted according to the centroid and reference point coordinates of each tooth image, the calculation of the tooth width is more accurate.

The application discloses an alternating feeding and transporting device for a dental mold processing line body, relates to the field of dental mold transfer processing, and comprises a transfer frame body arranged between a feeding and conveying line body and a processing station. A group of first sliding rails and a group of second sliding rails are fixedly arranged on the top and inner wall of the transfer frame body, respectively. A first sliding plate is slidingly arranged on the first sliding rails, and a second sliding plate is slidingly arranged on the second sliding rails. The first sliding plate and the second sliding plate are horizontally arranged. The alternating transfer units in the transfer frame body can drive the first sliding plate and the second sliding plate to alternately and reciprocally move with the two loading tables. After moving to a suitable position, the dental mold above the loading table can be jacked up under the drive of a jacking unit, so that the processing station can finely process the dental mold, and a mechanical hand can conveniently take and place the dental mold. The first sliding plate and the second sliding plate can simultaneously alternately transfer the dental mold, so that the efficiency of processing the dental mold can be effectively improved.

This invention provides a method, system, device, and medium for characterizing the post-pressed state of dental diaphragms, relating to the field of medical device technology. The method includes: Step S1: Obtaining a diaphragm to be tested after a heating and cooling process; Step S2: Obtaining a test curve corresponding to the diaphragm to be tested, wherein the test curve is the outer contour curve of the projection image corresponding to the side view of the diaphragm to be tested; Step S3: Determining the state of the dental diaphragm after hot pressing based on the test curve. This invention enables a more intuitive and rapid determination of the post-pressed state of shell-mounted dental diaphragms without the need for batch trial production using dental molds, achieving efficient characterization and identification of the post-pressed state of shell-mounted dental diaphragms.

This invention discloses an automatic pick-and-place robot for dental mold processing, relating to the field of robots. It includes: a processing platform and a robot body mounted on top of the processing platform. A picking frame and a discharging box are fixedly mounted on the top of the processing platform. A picking disc is mounted at the end of the robot body, and multiple vacuum suction cups are arranged on the inner side of the picking disc. It also includes: a picking mechanism for gripping uneven dental molds. The picking mechanism is mounted on the inner side of the picking disc and includes a mounting cylinder disposed on the outer side of the vacuum suction cups. The mounting cylinder allows the vacuum suction cups to abut against the outer side of the dental mold at multiple angles. Through the picking mechanism, this invention enables the vacuum suction cups to abut against the outer side of the dental mold via rubber sheets and can swing at multiple angles according to the surface of the dental mold, facilitating the vacuum suction cups to adsorb uneven dental molds, thereby achieving the effect of quickly gripping dental molds.

An aspect of the present application provides a dental mold feeding device for a shell dental instrument hot press film forming manufacturing process, comprising: a dental mold storage device for storing a plurality of sets of dental molds and dental mold carrier assemblies, wherein each of the dental mold and dental mold carrier assembly comprises a dental mold and a dental mold carrier carrying the dental mold; and a dental mold transfer device for receiving and accurately positioning the dental mold and dental mold carrier assembly from the dental mold storage device so that the dental mold and dental mold carrier assembly can be accurately positioned when transferred to the next station, the dental mold transfer device comprising a transfer platform and a pushing device, a first surface of the transfer platform is recessed to form a groove track, which comprises a first section and a second section at the end, wherein the width of the first section is greater than the width of the dental mold carrier so that the dental mold carrier can enter without accurate positioning, the shape and size of the end of the second section enable the dental mold carrier to be accurately positioned when pushed to the end, and the pushing device is used to push the dental mold carrier from the first section to the end of the second section to achieve accurate positioning of the dental mold and dental mold carrier.

The present invention relates to: a dental resin composition which contains a polycarbonate (A) that comprises a carbonate unit (I) represented by formula (I), and an inorganic particulate filler (B), wherein the inorganic particulate filler (B) has an average primary particle diameter of 2.5 µm or less and an aspect ratio of 1 or more and less than 10; a method for producing the dental resin composition; and a dental molded body which contains the dental resin composition and a method for producing the dental molded body.

The present invention discloses a positive pressure forming device for dental membranes, which comprises a frame. A bottom device, a heating and pressing device and a transmission device are arranged on the frame. The bottom device includes a base, a breathable plate, a breathable plate seat, a locking mechanism and a dental mold seat. The breathable plate seat is installed in the base, the breathable plate is installed on the breathable plate seat, and the dental mold seat is located on the breathable plate. A dental model is placed on the dental mold seat. The transmission device drives the heating and pressing device to move towards the bottom device, and the heating and pressing device is fixed to the bottom device through the locking mechanism to complete the positive pressure forming of the dental model. The positive pressure forming device for dental membranes provided by the present invention integrates heating and pressing in one device, and completes the heating and pressing forming of the dental model at one time, with simple structure and high production efficiency.

The application provides a tooth center positioning method of an oral scanning dental mold, a storage medium and an electronic device, and the method comprises the following steps: acquiring an oral scanning dental mold image, generating a tooth depth image according to the relief degree information of each tooth in the oral scanning dental mold image; segmenting the tooth depth image, identifying a plurality of first tooth information, and adding identification information to each first tooth information; processing the first tooth information with the same identification information respectively, determining the maximum connected domain of the first tooth information with the same identification information, and obtaining the second tooth information corresponding to each identification information; and determining the center point coordinates corresponding to the second tooth information according to the coordinate positions of the pixel points in the second tooth information. The above scheme is based on the relief degree information of the tooth for processing when positioning the tooth center, so that the positioned center is more accurate, and the accuracy of subsequent operations is improved.

The invention discloses a dental model steel wire manufacturing method based on a thermodynamic diagram, and belongs to the technical field of orthodontics, and the method comprises the following steps: S1, identifying a mouth scanning model, selecting modeling points according to a preset point taking rule, and sequentially connecting the modeling points to form a discrete spline curve; s2, constructing an SDF (Software Definition Function) for calculating the distance from each point of the discrete spline curve to the mouth scanning model; s3, setting a plurality of nodes in each distance interval, setting an rgb value of a corresponding color in the thermodynamic diagram for each node, and calculating the color, corresponding to the rgb value in each node interval, in the thermodynamic diagram through linear interpolation; and S4, identifying the distance from each point of the discrete spline curve to the mouth scanning model according to the mapped color of each point of the discrete spline curve in the thermodynamic diagram, determining the adjustment amount of each modeling point, and moving the position of the modeling point according to the adjustment amount to obtain a dental cast steel wire spline curve matched with the mouth scanning model.

The utility model provides a dental cast fixing device and jaw frame equipment, the dental cast fixing device comprises a transfer seat, the transfer seat comprises a jaw frame connecting part and a dental cast supporting part, the dental cast supporting part is arranged on the jaw frame connecting part, the jaw frame connecting part is used for being detachably connected to a jaw frame body, and the dental cast supporting part is provided with a first magnetic attraction piece; the model seat is used for connecting a tooth jaw model; a second magnetic attraction piece is arranged on the model base, and the model base is connected to the dental cast supporting part through magnetic attraction connection between the second magnetic attraction piece and the first magnetic attraction piece. The problems that in the prior art, gypsum can shrink and deform in the curing process, so that the tooth jaw model is displaced, and time and labor are wasted are solved.

The application discloses a five-axis laser cutting device with positioning and clamping functions for dental mold manufacturing, and relates to the field of laser cutting devices.The device comprises a fixed base, a gantry sliding rail frame fixed on the upper part of the fixed base, a laser generator fixed on the top of the gantry sliding rail frame, and a laser polarization lens fixed on the outer side of the top of the gantry sliding rail frame through a driving component.The driving component comprises an axial driving part and a transverse driving part, so that the laser polarization lens can move transversely and axially.The upper end surface of the fixed base is fixedly provided with a sliding rail seat.The mechanical hand places the dental mold during assembly, and the bolt is assembled in the inside of the limiting hole of the dental mold.Under the action of the deflection component, the moving platform moves with the dental mold directly below the laser polarization lens, and the positioning unit is triggered.Under the action of the positioning unit, the bolt is positioned on the dental mold, so that the dental mold is prevented from being deviated during position adjustment, and the precision of laser cutting is affected.

The utility model relates to the field of appliance production equipment, and discloses automatic feeding equipment for a dental cast. Automatic dental cast feeding equipment comprises a material disc, a first lifting device, a second lifting device, a carrying device and a mechanical arm, and the material disc is used for containing a plurality of dental cast bodies; the first lifting device comprises a first lifting frame and a first power source connected with the first lifting frame; the second lifting device comprises a second lifting frame and a second power source connected with the second lifting frame; the carrying device comprises a grabbing part and a third power source, the grabbing part is used for grabbing the dental cast in the material disc, and the grabbing part moves between a second position and a third position; and the manipulator grabs the dental cast in the material disc and places the dental cast in equipment needing to be fed. According to the automatic feeding equipment for the dental cast, the dental cast can be automatically fed in the working process, participation of workers is not needed, and the working efficiency is improved.

1. Name of the product in this design: Dental Deposition Machine. 2. Purpose of this design: It is used as a device for making dental molds such as dentures, crowns, and bridges. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

1. Name of the product in this design: Dental mold (M1). 2. Purpose of this design: For display and medical teaching demonstration. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.