29 results about "Tooth loss" patented technology

The application discloses a functional micro-pressure oral mucosa shape prediction method and system, relates to the field of oral cavity three-dimensional scanning technology, and obtains static gingival alveolar mucosa data of a patient through three-dimensional scanning, obtains functional micro-pressure mucosa data through individual tray impression technology, and registers the two data; feature points are selected on the intraoral static mucosa data, the feature points are copied to the functional micro-pressure mucosa data, and a feature template is constructed; the feature template is trained according to the obtained feature point data, and an elastic deformation prediction model is constructed; the intraoral static mucosa data of a patient to be predicted is input into the elastic deformation prediction model, and feature point coordinates are obtained; based on the feature point coordinates, all points that need to be deformed, including the feature points, in the point cloud data are calculated, and the functional micro-pressure mucosa shape is predicted. The functional micro-pressure mucosa prediction method and system provided by the application can solve the technical problem that the oral cavity direct three-dimensional scanning cannot obtain the functional micro-pressure mucosa shape of the edentulous area of a patient with tooth loss or defect.

The application discloses a saw blade detection system based on multi-source data fusion, and particularly relates to the technical field of saw blade detection; the saw blade detection system is characterized in that: side surface image data of a saw blade is collected, tooth back surface projection line features and edge geometry features are extracted, initial visual feature data of the saw blade is established; side surface image data is continuously collected in actual processing, side edge projection line features and edge position changes are compared and analyzed, visual wear data is determined; main shaft current data is synchronously collected and current change trends and variability are analyzed, current wear data is determined; normal wear and tooth loss abnormal trends of the saw blade are analyzed based on the visual wear data and the current wear data, visual degradation features and current abnormal features are obtained; visual and current fusion feature data is calculated in combination with product processing unqualified rate, and a saw blade scrapping trigger threshold is established; finally, fusion feature data and the scrapping threshold are compared in real time, so that the saw blade scrapping or replacement time is determined; and the application improves the precision and reliability of saw blade state monitoring.

This invention discloses a saw blade detection method and system based on multi-source data fusion, specifically relating to the field of saw blade detection technology. By simultaneously acquiring high-speed visual images of the saw blade's front and side views and spindle current signals, the initial tooth profile reference features of the saw blade are extracted. Furthermore, the system monitors in real time changes in the straightness of the projection line, the amount of cutting edge retraction, and abnormal changes in the current signal during the saw blade cutting process. By fusing visual and current data analysis, the normal wear and degradation trend of the saw blade and abnormal tooth loss characteristics are observed, thereby achieving accurate identification of saw blade wear or tooth loss conditions. A comprehensive evaluation is then performed based on the defect rate of sawn products, ultimately outputting an accurate and reliable saw blade replacement control signal. This invention effectively improves the accuracy of saw blade condition detection and the timeliness of replacement decisions, avoiding processing quality problems and ensuring production efficiency and processing safety.

The utility model discloses a tooth loss implantation model, and relates to the technical field of dental models, the tooth loss implantation model comprises a simulation jaw body, a plurality of simulation teeth are fixedly arranged at the positions corresponding to the teeth, and a loss groove is formed in the tooth loss position; the simulated gingiva is adhered to the simulated jaw body and is arranged at the missing groove in an avoiding manner; the simulated prosthesis is stuffed into the missing groove, a gingival layer is adhered to the top of the simulated prosthesis, and the gingival layer and the simulated gingival are made of the same material. The method has the effect of reducing the practice cost of the implant surgery for tooth loss.

The invention belongs to the technical field of catheter fixing devices, and discloses a gingival-friendly catheter fixing and protecting device which comprises an arc-shaped upper supporting groove and an arc-shaped lower supporting groove, the upper supporting groove and the lower supporting groove are connected through an adjusting assembly, and the adjusting assembly is used for adjusting the distance between the upper supporting groove and the lower supporting groove; the upper supporting groove is connected with a first clamping piece, the lower supporting groove is connected with a second clamping piece, and the first clamping piece and the second clamping piece define a clamping area with the adjustable size. The two inner side walls of the upper supporting groove and the two inner side walls of the lower supporting groove are each slidably connected with a plurality of fixing pieces, the fixing pieces on the two inner side walls of the upper supporting groove are in one-to-one correspondence, and the fixing pieces on the two inner side walls of the lower supporting groove are in one-to-one correspondence. The fixing piece is an elastic soft supporting pad; and the upper supporting groove is connected with an upper jaw supporting sheet. The tooth pad solves the problems that an existing tooth pad is prone to causing displacement of a catheter, gingiva of a patient is damaged, and teeth fall off.

The invention relates to the technical field of denture occlusal surface image processing, in particular to an intelligent occlusal vertical distance reconstruction device for an edentulous patient and an algorithm of the intelligent occlusal vertical distance reconstruction device, and the intelligent occlusal vertical distance reconstruction device comprises the intelligent occlusal vertical distance reconstruction device and the intelligent occlusal vertical distance reconstruction algorithm. The method is used for positioning the gingiva position of an edentulous jaw patient, and the purpose of reconstructing the occlusion vertical distance is achieved by matching the occlusion vertical distance before tooth loss with the bone face capacity before tooth loss through an intelligent occlusion vertical distance reconstruction algorithm; the method is easy to operate, high in practicability and very convenient to use, the occlusion vertical distance can be effectively reconstructed, the occlusion distance of all parts of the gingiva can be reconstructed in a regional mode, and the false tooth manufactured through the data has the function of supporting the anterior bone face of a patient without teeth.

The utility model provides an invisible denture, which belongs to the technical field of medical instruments, aims to solve the problems that the binding force between the invisible denture and denture base resin is insufficient, and teeth are easy to fall off after degumming, and comprises a denture base and a plurality of dental crowns arranged on the denture base, connecting holes are formed in the dental crowns, and the denture base is connected with the dental crowns through invisible glue. One end of the invisible glue is connected with the base plate, the other end of the invisible glue is filled in the connecting hole, in the glue filling process, after the invisible glue is filled through the polished channel, a stable structure is formed similar to the fact that steel bars are crossed in concrete, and pulling force is additionally provided while surface glue bonding is conducted, so that the invisible glue is more stable.

The invention relates to a tooth whitening preparation based on a compound enzyme synergistic effect and application thereof, and belongs to the field of tooth whitening preparations, the tooth whitening preparation comprises the following substances by weight: 15-20 parts of esterase, 15-25 parts of lipase, 10-15 parts of papain, 10-15 parts of dextranase, and 25-50 parts of maltodextrin. Based on the characteristic that the oral pigment has a'protein-lipid-polyphenol 'composite structure, a quaternary synergistic effect mechanism is provided, protein, lipid-soluble and polyphenol pigments can be removed, and safe and efficient whitening is achieved in the oral environment with the pH of 6.0-7.5; the lipase, the esterase and the papain cooperate with one another, so that pigment matrixes can be decomposed; the dextranase directly acts to decompose water-insoluble glucan, carbohydrate pigments are reduced, decomposition of dental plaque and pigments thereof is accelerated, the lipase, the esterase, the papain, the dextranase and the laccase do not damage teeth, and teeth are not damaged while tooth whitening is achieved.

The utility model relates to false tooth bridge technical field discloses an easily connected and adjusted false tooth bridge, including gum, the inner wall top of gum is fixedly connected with bridge mechanism, bridge mechanism is used for connecting a plurality of false tooth, the outer wall top of bridge mechanism is fixedly connected with support mechanism, support mechanism is used for supporting fixed false tooth, the outer wall top of gum is fixedly connected with support subassembly, bridge mechanism includes positioning post, the inner wall top of gum is fixedly connected in positioning post, the outer wall middle part of positioning post is rotatably connected with connecting rod. In the utility model, false tooth bridge is composed of gum, bridge mechanism, support mechanism and support subassembly, in bridge mechanism, positioning post is fixed in gum inner wall, it is rotatably connected with connecting rod, can swing and adapt angle deviation, this bridge is applicable to multiple tooth loss repair and implant angle correction, reduces the operation difficulty, guarantees the connecting strength.

To provide an oral health support method that allows even ordinary users to easily and efficiently predict their risk of future tooth loss, and to provide a system that utilizes information on the risk of future tooth loss to easily and efficiently support the oral health of users. [Solution] A method for supporting oral health, characterized by predicting the risk of tooth loss using antibody titer test results related to oral bacteria and oral quantity test results, and An oral health support system in which a computer predicts the risk of tooth loss from the results of an antibody titer test related to oral bacteria and the results of an oral bacteria quantity test of the user, using a predetermined classification with variables being antibody titers related to oral bacteria and the amount of oral bacteria in the oral cavity. The system then creates information useful for maintaining and promoting oral health, including the predicted risk of tooth loss, and provides it to the user, medical institution, or healthcare professional.

The application belongs to the technical field of auxiliary medical treatment, and particularly relates to a digital bone augmentation design method and system with real-time visual implant position. The method comprises the following steps: ideal prosthesis design of tooth loss site is performed; CBCT data, intraoral scanning data and ideal prosthesis data are fitted, and the position of the implant is planned; implant guide plate data is imported into MAGICS software, and a virtual implant model is constructed; the virtual implant and the implant guide plate are grouped, and the spatial relative position of the two is locked; the grouped data of the jawbone model, the intraoral scanning data, the virtual implant and the implant guide plate are input into a bone augmentation design software, and the accurate position of the virtual implant in the jawbone is fitted; in the bone augmentation design software, real-time visual virtual bone augmentation painting operation is performed according to the accurate position of the virtual implant in the jawbone, and the bone augmentation design is accurately completed. The design method and system of the application are more convenient and accurate, and have a good application prospect.

The invention discloses a biological tooth root scaffold based on 3D printing and a preparation method and application thereof, and belongs to the technical field of biomedical materials. The biological tooth root scaffold comprises a 3D printed biological tooth root scaffold base body and CMC-BAPE at BMP7 nano-particles, the surface interface of the 3D printed biological tooth root scaffold base body is provided with an activated nano-whisker structure, and the CMC-BAPE at BMP7 nano-particles are adsorbed and fixed in the 3D printed biological tooth root scaffold base body. According to the preparation method disclosed by the invention, high-precision biological ceramic is prepared by combining 3D printing, excellent mechanical properties after high-temperature sintering are realized, surface and interface activity is reconstructed to promote cell adhesion and differentiation, and an anti-inflammatory cell differentiation promoting nano CMC-BAPE-coated BMP7 medicine is combined, so that personalized customization of the biological tooth root scaffold with high strength, high precision and immunomodulatory activity is realized; the method has a wide application prospect in the field of tooth loss repair.

The application discloses a kind of biological tooth root support based on 3D printing and its preparation method and application, belong to the technical field of biomedical materials.The biological tooth root support includes 3D printing biological tooth root support matrix and CMC-BAPE@BMP7 nanoparticles, the interface of the 3D printing biological tooth root support matrix has activated nanowhisker structure, the CMC-BAPE@BMP7 nanoparticles are adsorbed and fixed in the 3D printing biological tooth root support matrix.The application combines 3D printing preparation high-precision bioceramics, excellent mechanical properties after high-temperature sintering, interface activity reconstruction promotes cell adhesion differentiation, and combines anti-inflammatory and promotes cell differentiation nano CMC-BAPE@BMP7 drug, realizes the individual customization of high-strength, high-precision, immunoregulatory activity biological tooth root support, and has wide application prospect in the field of tooth loss repair.

The invention relates to a saliva suction device with a replaceable tongue baffle. The saliva suction device comprises two main body parts, namely an occlusal pad and the tongue baffle which are embedded with each other, a communicated negative pressure suction channel is arranged between the occlusal pad and the tongue baffle plate, and a plurality of suction holes are formed in the tongue baffle plate and are used for forming negative pressure suction on liquid and aerosol in an oral cavity through the occlusal pad and the tongue baffle plate; the tongue baffle is provided with an arc-shaped bottom plate which is smaller than the tooth form of a patient in size, and the tongue baffle is provided with a receding groove in the air inner end so as to form a fork part on the bottom plate at the inner end; the occlusal pad is of a wedge-shaped structure and comprises a hard base body and soft pads embedded in the upper surface and the lower surface of the hard base body, and the soft pads have proper thickness so that local occlusal can be compensated to prevent tooth loss and prevent the occlusal pad from pivoting.

The application discloses a combined digital guide plate system for free gingival grafting and belongs to the technical field of stomatology. The combined digital guide plate system for free gingival grafting comprises a base guide plate, a recipient site semi-thick incision indicating guide plate, a recipient site full-thickness incision indicating guide plate, a temporary restoration-soft tissue fixation clamping plate and a donor site indicating guide plate; the base guide plate is used for positioning and fixing the guide plates and the temporary restoration-soft tissue fixation clamping plate of the recipient site. The application covers the recipient site semi-thick incision indicating guide plate, the recipient site full-thickness flap incision indicating guide plate, the temporary restoration-soft tissue fixation clamping plate and the donor site indicating guide plate, and realizes the functional integration of the whole free gingival grafting treatment process in combination with the composite structure design of the base guide plate and the split accessory guide plate. The application can realize accurate positioning, avoid damaging anatomical structures, accurately prepare semi-thick flaps and full-thickness flaps, shorten the tooth loss period of the patient, prevent the rebound of the vestibular groove, and ensure the curative effect of the free gingival grafting.

The invention discloses a guide device for guiding preparation of an implant cavity and a use method of the guide device, and belongs to the technical field of oral medical equipment. The guide device comprises a preformed dental crown body, at least one guide ring and a fixing component. The preformed dental crown body is provided with a guide channel penetrating through the preformed dental crown body; the guide ring is detachably arranged in the guide channel, the inner diameter of the guide ring is matched with the diameter of a drill point in the planting tool chain, and the guide ring is used for guiding the drilling direction of the drill point; the fixing part is connected to the preformed dental crown body and is used for stably fixing the preformed dental crown body on adjacent teeth of an odontoprisis area of a patient. According to the invention, the prosthesis is directly converted into the surgical guide plate, so that a real implant operation which takes repair as guidance is realized, the method does not need to depend on complex digital design and manufacturing processes, ensures the high consistency and stability of the direction of the prepared hole in each stage through mechanical constraint, and has the remarkable advantages of low cost, high precision, intuitive and simple operation and the like.

Systems for detecting and measuring certain dental defects and / or existing restorations, such as lesions which may or may not invade interproximal areas, using a neural network is disclosed. In some embodiments, a patient's health conditions and certain dental conditions such as crowding, presence of implants, gum disease, etc. are also considered by an automated system to classify the dental health of a patient into one or more risk classes. The system then suggests appropriate remedial measures and an appropriate maintenance program for that patient to keep therapy within guidelines of proven standard of care, leading the way to reduce tooth loss in population.

The invention relates to a method for determining an occlusion relationship of an edentulous patient based on 3D modeling, and the method comprises the steps: constructing a head 3D real person model based on a historical front face picture of the patient without tooth loss; based on the head 3D real person model, designing a transparent mask of a 1 / 3 contour below the face during normal facial expression, and performing 3D printing on the transparent mask; preparing an edentulous jaw model of the patient, preparing a full-mouth wax base plate model, preliminarily determining an occlusion relationship, comparing the fitting degree of the 1 / 3 contour below the surface of the patient and a transparent mask, adaptively adjusting the full-mouth wax base plate model, and preparing a temporary full denture; the temporary complete denture is properly adjusted according to the occlusion and face capacity of the temporary complete denture tried by the patient and the fitting degree of the 1 / 3 contour below the face and the transparent mask, and the formal complete denture is manufactured after the patient wears the complete denture properly and the face capacity is satisfied. Compared with the prior art, a patient can be helped to recover the original 1 / 3 profile and fullness under the surface, and the requirement of the patient for the attractive appearance of complete denture repair is met.

The invention provides a preparation method and application of dental pulp stem cells, and belongs to the technical field of medicines. The method comprises the following steps: adding an alpha-MEM basic culture solution containing a complexing agent, a growth promoting factor and a natural antibacterial agent into a glass culture dish subjected to surface treatment, adding cleaned and cut fresh human dental pulp tissues, performing constant-temperature culture, after primary cells climb out, pouring out liquid, collecting the primary cells, re-suspending part of the primary cells in a cell cryopreservation solution, and performing cryopreservation, thereby obtaining the human dental pulp tissue culture medium. And adding the remaining primary cells into a culture medium containing nano activated particles, subculturing under the conditions of low oxygen, low-frequency magnetic field and illumination, collecting subcultured cells, resuspending the subcultured cells in a cell cryopreservation solution, and cryopreserving to obtain the dental pulp stem cells. The preparation method is simple, the cost is low, industrial application is easy to achieve, the culture period is short, the dental pulp stem cells obtained through culture are high in viability and good in differentiation performance and can be differentiated into osteoblasts, and a foundation is laid for preparing medicine for treating tooth defects and tooth loss.

This invention discloses a saw blade detection method based on multi-source data fusion, specifically relating to the field of saw blade detection technology. It involves real-time acquisition of image data of the rake face, side edge, and cutting edge, as well as spindle current data, during the saw blade's cutting process. By integrating image analysis and current characteristic analysis techniques, the method performs a joint evaluation of the saw blade's visual wear state and current change trends using multi-source data. This accurately detects the saw blade's wear degree and abnormal tooth loss. Furthermore, by combining this with quality indicators such as dimensional deviations, surface finish, and defect rate of the processed product, the method determines the saw blade's wear threshold and tooth loss threshold. This enables automated decision-making for saw blade scrapping or replacement, effectively improving the accuracy and real-time performance of saw blade lifespan monitoring and ensuring the stability of processed product quality.

The invention discloses a customized detachable edentulous immediate load-bearing fixed denture and a manufacturing method thereof, and relates to the technical field of human oral medicines.The device comprises a plurality of customized implants, retention connectors, corresponding repair bases and repair base inner screws, the lower ends of the customized implants are implanted into alveolar bones, the upper ends of the customized implants are flush with gingiva, and the lower ends of the customized implants are connected with the retention connectors. The retention connector is of a strip-shaped structure, is horizontally laid above the customized implants along the tooth jaw shape and is used for connecting the implants at the planting points into a whole, the repair abutment is arranged above the retention connector, and the repair abutment inner screw is used for penetrating through the retention connector to connect the repair abutment with the customized implants; the technical scheme provided by the invention is suitable for patients with complete or half tooth loss and free end loss, can realize immediate implantation, immediate repair and immediate load bearing, shortens the repair period, reduces the difficulty of implantation operation and the risk of repair failure, and expands the indications of complete and free end loss of implant teeth.

The invention discloses an intelligent monitoring and alarming system for falling off of bucket teeth of an electric shovel, a processor and a memory. The intelligent monitoring and alarming system for falling off of the bucket teeth of the electric shovel comprises the steps that bucket teeth on two continuous frames of bucket images of the electric shovel are recognized; when the position of the bucket tooth on the latter frame of the electric shovel bucket image is lower than the position of the bucket tooth on the former frame of the electric shovel bucket image, it is judged that the electric shovel is in a shovel-down state at the moment; the number of the bucket tooth target monitoring frames on the multiple images is recorded in sequence; when the maximum value of the number of the bucket tooth target monitoring frames is smaller than the number of the complete bucket teeth on the bucket, it is judged that the electric bucket teeth fall off; when the electric bucket tooth falls off, the image marking the falling bucket tooth is displayed on the display screen, and the alarm is started, so that the accuracy and reliability of monitoring whether the electric bucket tooth falls off or not can be improved, misjudgment can be prevented, an alarm can be given in time, the alarm can be controlled to stop alarming in time according to needs, and operation of operators is facilitated.

The application provides a preparation method and application of dental pulp stem cells, and belongs to the technical field of medicines. An alpha-MEM basic culture solution containing a complexing agent, a growth promoting factor and a natural antibacterial agent is added into a surface treated glass culture dish, fresh human dental pulp tissue after cleaning and cutting is added, constant temperature culture is carried out, after primary cells are climbed out, liquid is poured out, the primary cells are collected, part of the primary cells is resuspended in a cell freezing solution, freezing is carried out, the remaining part of the primary cells is added into a culture medium containing nano-activated particles, subculture is carried out under low oxygen, low frequency magnetic field and light conditions, the subculture cells are collected, resuspended in the cell freezing solution and frozen, and the dental pulp stem cells are prepared. The preparation method is simple, the cost is low, industrial application is easy to realize, the culture period is short, the dental pulp stem cells obtained through culture have strong survival ability and good differentiation, can be differentiated into osteoblasts, and lay a foundation for preparing medicines for treating tooth defects and tooth loss.

The utility model discloses a tooth anti-falling device which comprises a tooth fixing band, the tooth fixing band comprises a loop ligature ring, a connecting rope and a bonding piece, one end of the connecting rope is fixedly connected with the loop ligature ring, and the other end of the connecting rope is fixedly connected with the bonding piece; the ligation gun comprises a main body, a plurality of expansion rods and a pressing rod, one end of each expansion rod is connected into the main body through a torsion spring rotating shaft and attached to the pressing rod, the other end of each expansion rod is arranged outside the main body, one end of the pressing rod is arranged in the main body, and the other end of the pressing rod is connected with the other end of the expansion rod. And the plurality of expansion rods can move up and down relative to the main body so as to drive the plurality of expansion rods to rotate relative to the main body. Therefore, teeth can be rapidly fixed, operation and installation are convenient, and the situation that the teeth fall off due to mistaken traction can be effectively avoided.

This invention provides a tube fixation structure that reduces skin and mucous membrane damage in patients, relating to the field of medical device technology. The fixation mechanism includes: a fixation member for fixing the endotracheal tube; a dental pad mounted on the fixation member and placed in the patient's mouth during tube fixation; and a strap mounted on the fixation member. Both the fixation member and the dental pad have tube channels. This invention, through its fixation structure, allows the endotracheal tube to be fixed to the fixation member using tape or similar methods, avoiding direct adhesion of tape to the patient's skin and potential damage. The dental pad, placed in the patient's mouth, assists in fixing the position of the endotracheal tube while preventing the patient from biting the tube, thus avoiding interference with its normal operation. It is suitable for patients with severe tooth loss or even edentulism, and also avoids damage to the oral mucosa of patients with severe tooth loss or edentulism caused by braces or other structures, improving patient satisfaction with endotracheal tube use.

1. The name of the design product: digital planting replacement body. 2. The use of the design product: the design product is used for patients with tooth loss, digital implant restoration parts. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application provides a method and device for assisting in positioning a tooth implant site based on a deep learning method, a computer readable storage medium, an electronic device and a surgical robot system. The method for assisting in positioning the tooth implant site comprises: performing dimension reduction processing on input image data; scaling the image after the dimension reduction processing to obtain a standardized two-dimensional image; using a preset tooth implant site positioning information extraction model to process the input standardized two-dimensional image file to obtain all tooth sites and tooth loss condition information of each tooth site. Thus, the tooth loss tooth site in all tooth sites can be identified, and all tooth sites with teeth, tooth sites with possible tooth loss or tooth sites with possible wisdom tooth growth are comprehensively predicted, thereby solving the problem that multiple tooth sites may be confused with each other in the traditional method and improving the accuracy. Because the input size can be arbitrarily adjusted, the demand for hardware devices is greatly reduced and the prediction speed is improved.

The application discloses a device for assisting in recording jaw position relationship of a tooth loss patient and a manufacturing method thereof, and belongs to the technical field of stomatology, which comprises a tissue surface of a maxillary base plate and a maxillary surface of a patient, a tissue surface of a mandibular base plate and a mandibular surface of the patient, a plurality of fixing nails located at alveolar crest top, a plurality of fixing nails are arranged on the maxillary base plate and the mandibular base plate at intervals, and a supporting column is fixedly arranged on the mandibular base plate and located at bilateral posterior teeth of the mandibular base plate. The device for recording jaw position relationship of the tooth loss patient provided by the application forms effective support in the posterior tooth area, simplifies a clinical operation process and improves the quality of jaw position relationship recording.

1. The name of the design product: denture. 2. The use of the design product: used for the restoration of mastication function after tooth loss or extraction. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.