147 results about "Oral problems" patented technology

The utility model provides a kind of automatic flushing's implant tooth drill, it is related to dental technology field, including implant mobile phone, the inside one end of implant mobile phone is equipped with motor, the lower end of implant mobile phone and the side close to motor swing through installation is equipped with transmission shaft, the upper end of transmission shaft is connected with the output end of motor, and it is equipped with flushing mechanism between transmission shaft and implant mobile phone.The utility model in the present application is equipped with flushing mechanism, without additional medical staff hand-held hose flushing operation, let outside implant machine pass through liquid inlet pipe and send flushing liquid to temporary storage tank, then it is directly sprayed in the contact area between drill head and gum from spray head by liquid discharge pipe, the synchronization automation of drilling and flushing is realized, manpower input is reduced, and the stability problem caused by hand-held hose is avoided, ensure that water flow can accurately, continuously act on target area, effectively guarantee the definition of surgical field, improve the overall stability of implant processing process.

The application discloses a kind of oral administration device, it is related to medical instrument technical field, including injection administration component, the injection administration component includes administration needle tube, the injection administration component is connected with the mouth support plate by sliding connection component, the side of the mouth support plate is provided with the mouth support device for adjusting the opening angle thereof.The injection administration component is connected with the mouth support plate by sliding connection component in the application, the side of the mouth support plate is provided with the mouth support device that can adjust the opening angle, the mouth opening and injection administration function integration are integrated, effectively solve the difficulty of long time maintaining oral cavity opening state when oral patient is treated, the mouth support device needs to be operated by doctor with single hand, single hand administration leads to low operating efficiency, and the problem that conventional mouth support device cannot realize opening angle accurate regulation and stable clamping, angle rebound and oral cavity closure are prone to occur, and then affect the smooth operation of administration.

The utility model discloses a kind of invisible mouthguard storage box with disinfection function, it is related to mouthguard storage box technical field, including box body, the inside of the box body is provided with storage cavity, first ultraviolet lamp is inductively installed in the bottom of the storage cavity, the top of the upper cover of the box body is installed with hinge, the top of the upper cover inner cavity is inductively installed with second ultraviolet lamp, the bottom of the box body is installed with lithium battery plate, for the power supply of first ultraviolet lamp and second ultraviolet lamp, the front side of the upper cover is provided with connecting plate, the front side of the box body upper end is provided with connecting groove, and connecting plate and connecting groove are buckled, one side of the connecting groove is provided with locking mechanism, for the fixed location of connecting plate, solve the problem that invisible mouthguard in storage box is easily caused by bacterial propagation to cause user oral bacterial infection.

The utility model discloses a kind of oral liquid bottle caps with quantitative drop hole, comprising: inner plug, insert in oral liquid bottle mouth;And outer cover, cover on oral liquid bottle mouth, and cover inner plug in it;The inner plug includes plug body;Dripping channel is provided in the middle part of the plug body, and dripping port is provided at the top of the plug body, and liquid inlet is provided at the bottom of the plug body, dripping port and dripping channel intercommunicate, and dripping channel and liquid inlet intercommunicate;Extension body structure is provided at the side of the plug body, airflow passage I that passes through up and down is provided in the extension body structure, airflow passage II that passes through up and down is provided in plug body, and airflow passage I is communicated with airflow passage II.The utility model does not need external suction tube or dropper, with quantitative dripping function, solve most oral solution in the course of taking cannot control medicine liquid drop speed and drop weight, cannot realize the problem of accurate quantitative dosing.

The present application relates to the technical field of oral prosthetics, in particular to a porcelain dental prosthesis color prediction system, a construction method and a prediction method, comprising: a multi-modal image acquisition module for acquiring high-definition color images of natural teeth in the oral cavity, three-dimensional scanning images of tooth preparation surfaces and microstructure images of porcelain prosthesis substrates, and synchronously acquiring environmental light parameters; an image recognition processing module for processing original data, outputting natural tooth color space feature vectors, tooth preparation surface morphology parameters and porcelain layer substrate micro-pore distribution parameters; an intelligent color prediction module for constructing a deep learning model, combining an environmental light correction algorithm to predict the final presented color data of the prosthesis; a parameter output and optimization module for generating a color deviation report, outputting porcelain layer thickness adjustment suggestions and firing process parameter optimization schemes, and supporting visual display of the prediction effect. Thus, the problems of one-sided prediction dimension and subjective optimization in the prior art are solved.

This utility model discloses a medical tooth wax anti-sticking cutting device, relating to the technical field of tooth wax production equipment. Its specific structure includes: a base frame; a base plate mounted on the base frame; base frame rollers mounted on the bottom of the base frame; a guide rail assembly mounted on the base plate; a material tray assembly mounted on the guide rail assembly; a drive unit mounted on the base plate, with its output end connected to the material tray assembly; and a lifting and cutting assembly mounted on the base plate. The material tray assembly includes: a tray; multiple tooth wax limiting plates spaced apart on the tray, distributed along the length of the tray; and multiple anti-stick pads spaced apart on the tray, with any anti-stick pad located between any two adjacent tooth wax limiting plates. This utility model solves the technical problem of low tooth wax cutting efficiency in the prior art.

The utility model relates to a kind of fixed clamps for processing glass bottle die mouth mould, it is related to mouth mould technical field, solve the existing mouth mould clamping not firm, easy to loosen problem, fixed clamp includes base, the base is provided with center positioning block, two top pressure oil cylinders and the number of corresponding abutting column with the number of top pressure oil cylinder, two top pressure oil cylinders are respectively arranged in the length direction of base two ends and along center positioning block symmetrically set, the telescopic end of top pressure oil cylinder and the center positioning block between left mouth mould placement position / right mouth mould placement position;The one end of abutting column is provided with external thread, the end of the telescopic end of top pressure oil cylinder is provided with connecting groove, inner thread that is cooperated with the outer thread is provided on the inner wall of connecting groove;With the stability of guaranteeing that top pressure oil cylinder drives abutting column moves, and then improve the firmness and accuracy effect that abutting column top pressure left mouth mould or right mouth mould.

The utility model provides a kind of nose guide oxygen pipe of ear part pressure sore prevention, belong to medical instrument technical field, including: including oxygen intake component and fixed component, oxygen intake component is installed on fixed component, and fixed component is fixed on the head of user.The utility model is provided with fixed component on the oxygen intake component, so that oxygen intake component is fixed on the head of patient by fixed component, to avoid the tension of oxygen intake component when patient rolls over, causing oxygen intake component to separate, avoid the problem of oxygen intake component falling off, while using the above fixing mode, solve the traditional ear hanging type nose guide oxygen pipe when long time oxygen inhalation, it is easy to cause ear part pressure sore, cause the discomfort of patient.

This invention belongs to the field of dental medical technology, specifically relating to an automatic positioning method, electronic device, and storage medium for dental template teeth. The method includes: acquiring a patient's dental arch model, the cervical margin of a restoration, and a template tooth model; determining the dimensional characteristics of the template tooth; performing preliminary overall matching of the template tooth; extracting the tooth portions from the dental arch and fitting a dental arch curve; calibrating the position and size of the template tooth based on the dental arch curve, including determining the target position and orientation of the restoration based on the cervical margin and the dental arch curve for restored teeth, and determining and locating the missing tooth based on the projection of adjacent restorations, and scaling it according to the morphology of the cervical margin or the arc length of the missing tooth interval. This invention achieves precise initial positioning and adaptation of the template tooth through an automated algorithm, solving the problems of cumbersome and inefficient manual positioning in existing technologies.

The application belongs to the technical field of nanomaterials, and particularly relates to a graphene oxide composite nanocoating, application thereof and modified dental metal material. The obtained graphene oxide composite nanocoating overcomes the problem of easy agglomeration of GO alone, has the advantages of long-term antibacterial property, strong corrosion resistance, low toxicity, good remineralization effect on dental enamel, reduced occurrence of dental demineralization and dental caries, effectively reduced friction between dental metal materials, especially between metal materials for orthodontic treatment, is conducive to the sliding between arch wires and bracket grooves in the orthodontic process, and further conducive to improving the efficiency of aligning and flattening the dental arch in orthodontic treatment and shortening the treatment course. In addition, the application has the characteristics of simple operation, low cost and strong controllability, and provides a simple and universal strategy for preparing dental metal materials with long-term antibacterial property, corrosion resistance, low toxicity, good remineralization effect and low friction.

The application provides a kind of oral ceramic restoration dismantling device and its using method, belong to oral ceramic restoration dismantling technical field.The application oral ceramic restoration dismantling device includes for emitting laser beam thulium-doped fiber laser, for the transmission device for focusing laser beam passes through, for the collimator for coupling laser beam into optical fiber, for the output optical fiber of output laser beam, ceramic restoration 5 and abutment, the laser beam of the output optical fiber output and the surface of ceramic restoration are perpendicular to each other, the output optical fiber, ceramic restoration and abutment are located on the same straight line.The application oral ceramic restoration dismantling device is convenient to operate, solves the destructive of existing oral ceramic restoration dismantling method to abutment and restoration, and the problem of poor comfort.

This invention discloses a method, apparatus, medium, and device for evaluating the acid-resistant repair effect of tooth enamel, relating to the field of dental prosthetics. The method includes: constructing an energy accumulation distribution model and a heat conduction model in tooth tissue under erbium laser irradiation; obtaining a calculation model for the carbonate loss distribution of tooth enamel based on the decomposition reaction of carbonated hydroxyapatite in tooth enamel at high temperatures; constructing a photo-thermal-chemical coupled two-dimensional analysis model of tooth enamel under erbium laser irradiation based on the above model; performing simulation calculations on the photo-thermal-chemical coupled two-dimensional analysis model to determine the two-dimensional temperature distribution and carbonated hydroxyapatite loss distribution inside the tooth enamel under different erbium laser intensities and frequencies, thereby determining the acid-resistant repair effect of tooth enamel. This method fills the gap in the prior art lacking quantitative evaluation methods and solves the problem of difficulty in scheme design due to the inability to accurately correlate laser parameters with the acid-resistant repair effect.

This invention relates to a toothpaste flavoring with a long-lasting fresh breath effect and its preparation method. The core component of this toothpaste flavoring is modified menthol. Modified menthol reacts with amino acid compounds to form a menthol-amino acid complex, which is then coated with β-cyclodextrin to form a menthol-amino acid-β-cyclodextrin complex. This dual synergistic effect effectively prolongs the duration of its fresh breath effect. The toothpaste flavoring also includes 2,6-dimethylaniline, flavor enhancers, emulsifiers, stabilizers, aroma retardants, and preservatives to ensure aroma stability and safety for oral use. This invention provides a longer-lasting fresh breath effect, solving the problems of rapid evaporation and short-lasting freshness in traditional toothpaste flavorings, and has good market application prospects.

The utility model discloses a kind of micro dental chair end timing drainage devices, it is related to dental medical equipment technical field, including water storage tank, the outside of water storage tank is fixedly connected with waste water tank, the inside of water storage tank is fixedly connected with first water pipe, one end of the first water pipe is fixedly connected with water distributor, the inside of water distributor is fixedly connected with three-purpose gun water pipe, the inside of water distributor is fixedly connected with mouthwash water pipe, the inside of water distributor is fixedly connected with first drain pipe, one end of the first drain pipe is fixedly connected with transfer case, the inside of transfer case is fixedly connected with second drain pipe, the utility model has beneficial effect as follows: through the device, sedimentation water in dental chair main pipeline can be emptied rapidly every day timing, and let fresh purified water quickly fill main pipeline, effectively avoid the problem that bacteria breed in ponding, significantly improve the quality of dental chair diagnosis and treatment water, guarantee the oral health of patient.

The utility model discloses an automatic sprue structure of taking off, including dental core, transmission assembly and ejection assembly, dental core top end sets the sprue groove, and the sprue groove is used to accommodate the sprue of injection molding material formation, transmission assembly is connected with dental core to drive dental core to carry out the rotation movement, and make product and sprue separate, the thread type cavity groove of dental core side surface setting in the rotation process, with the thread structure of product inner wall relatively moves, and this relative movement makes the thread bite cooperation between dental core and product gradually reduce, until dental core and product loosen, ejection assembly is used for after dental core rotates and will sprue from dental core on top, and push the pipe and take out product from dental core on top, because in the demoulding before through dental core rotation makes product and dental core loosen, the binding force between product and dental core greatly reduces, avoided the product deformation problem of traditional demolding mode because of local excessive stress, and the sprue is taken out from the sprue groove of dental core when the ejector pin rises, realized the quick separation of sprue and dental core.

This invention belongs to the field of oral care products technology, specifically relating to an oral care composition with long-lasting breath freshening and fluoride stabilizing effects, and its preparation method. The oral care composition includes hydroxyapatite and zinc citrate trihydrate, which synergistically enhance the adsorption effect on bad breath, thereby eliminating oral halitosis. The composition also includes sodium citrate and fluoride. The addition of sodium citrate increases the solubility of zinc citrate trihydrate and adjusts the pH of the system, resulting in a system with both strong adsorption of bad breath and the ability to maintain the stability of soluble fluoride by combining sodium citrate and zinc citrate trihydrate, increasing the retention of soluble fluoride and helping to treat and prevent plaque caries. This technical solution solves the technical problem of unsatisfactory halitosis removal effect in existing oral care products containing hydroxyapatite. The combination of hydroxyapatite, zinc citrate trihydrate, sodium citrate, and fluoride has ideal antibacterial, breath freshening, and anti-caries effects, and has promising prospects for widespread application.

This invention relates to the field of medical image processing technology, and proposes an intelligent method for color calibration of dental photographs and an automatic color selection system for prostheses. The method includes: receiving an oral image containing a shade guide and teeth; identifying the shade guide and target teeth in the oral image; obtaining the distorted color value of the shade guide; constructing a color difference conversion model based on the distorted color value and pre-stored standard color values ​​of the shade guide; and performing color correction on the target teeth in the oral image based on the color difference conversion model to obtain a corrected image. This invention solves the problem of tooth color distortion in oral images.

This utility model relates to the field of medical device technology and discloses a nasal mask for a ventilator, comprising a facial pad, a mask body, and a curved tube arranged sequentially. The first end of the curved tube is configured as a guide shaft, and the curved tube is assembled into the mask body through the guide shaft, so that the central axis b of the guide shaft is arranged towards the facial pad and towards the area between the vermilion border of the upper lip and the nostrils. Based on in-depth research on airflow distribution patterns and user facial structure, the position of the airflow outlet of the curved tube is lowered, changing the airflow direction and range while keeping other conditions unchanged. The improved curved tube can greatly reduce the airflow delivered to the face from covering the tip of the nose and distribute it in a suitable area around the nasal cavity, which can not only meet the user's breathing needs and ensure that the airflow can smoothly enter the nasal cavity, but also avoid the uncomfortable impact of the airflow on the skin of the tip of the nose; thus solving the technical problem of discomfort caused by the use of existing nasal masks for ventilators.

The application relates to the technical field of injection molding, in particular to a toothbrush handle forming equipment and method based on secondary injection molding, wherein the secondary forming mold comprises a main mold, a top mold, a neck mold, an injection core and a fracture shaper; the injection core, the main mold and the fracture shaper are arranged on the secondary forming mold; the thickness of the neck is adjusted to shape the neck of the handle according to the combination temperature and the raw material supply of each part, so that the neck can be bent at the neck after a certain length of use, the user is prompted to replace, and the problem that the user's oral cavity is polluted after the toothbrush is used for more than the set length or times is effectively avoided.

This invention provides a method for sensitive identification and iterative compensation of geometric errors in gear tooth profile. Specifically, it includes the following steps: Step 1: Measuring the geometric errors of each axis of the machine tool using a laser interferometer, and establishing a geometric error-tooth profile error coupling model based on the principles of homogeneous coordinate transformation and form grinding; Step 2: Introducing Sobol global sensitivity analysis and quasi-Monte Carlo sampling to analyze the errors and screen out the key geometric error terms that have the greatest impact on tooth profile error; Step 3: Constructing an iterative compensation model based on sensitivity matrix and step size coefficient control with the goal of minimizing tooth profile error, and obtaining the compensation amount through iterative calculation. This invention combines sensitivity analysis with iterative solution, more effectively solving the compensation problem under nonlinear strong coupling conditions. Furthermore, this invention only compensates for key geometric errors, reducing the interference of redundant variables, lowering the computational load, and improving gear grinding accuracy.

A laser positioning device for dental occlusal centers, belonging to the field of denture manufacturing technology, addresses the problems of cumbersome operation and low efficiency associated with using an occlusal center measuring ruler to locate occlusal contact points. It includes a base platform, an optical axis vertically fixed to the base platform via a locking seat, a lower bracket slidably mounted on the optical axis, a first elongated hole along the length of the lower bracket, and a second elongated hole along the length of the upper bracket. A locking screw passes through both the first and second elongated holes and connects to a back nut. A laser emitter is vertically fixed to the upper bracket. This invention uses a laser emitter to project a fine laser spot downwards, which is used to position the tooth at a preset alveolar ridge. The center of the tooth can be found visually based on the laser spot, eliminating the need to move the pointer as required by using an occlusal center measuring ruler, thus greatly improving the efficiency of denture fabrication and adjustment.

This gingival wall lifting device belongs to the field of medical devices. It includes a molding piece, a positioning part, and a detachable connecting device. The left and right ends of the molding piece are detachably connected via the detachable connecting device, and the bottom of the molding piece has a positioning part. The purpose of this invention is to solve the problems of existing molding pieces used in gingival wall lifting surgery being of limited variety, unable to meet individualized proximal cavity depths and shapes, and failing to fit snugly against the cavity edge after placement, resulting in insufficient anatomical adaptability and uncontrollable moisture isolation. The detachable connecting device of this invention allows clinicians to dynamically adjust the wrapping diameter and curvature of the molding piece according to the depth and width of the proximal cavity and the degree of cervical narrowing, precisely matching individualized dental anatomy.

The utility model relates to tooth cleaning technical field, concretely is a kind of tooth oil stain cleaning device, including support, at least one cleaning assembly is arranged in support one end;The cleaning assembly includes scraper, and the scraper is contacted with the tooth surface to be cleaned;The cleaning assembly further includes at least one elastic element, the elastic element one end is connected with the support, and the other end of the elastic element is connected with the scraper, and then when the tooth to be cleaned rotates, the scraper can be always attached with the tooth.The utility model can solve the technical problem that the existing technology is difficult to remove the waste oil accumulated on the tooth surface, and the cost of manual cleaning is high.