46 results about "Tooth repair" patented technology

The invention discloses a tooth repair composition containing mesoporous hydroxyapatite, a tooth repair product and a preparation method and application of the tooth repair composition and the tooth repair product. The tooth repair composition comprises nano-hydroxyapatite, fluoride and a chelating agent, the logarithm value logK of the stability constant K of the chelating agent to calcium ions is 1 < = logK < = 5, and K is measured in an aqueous solution with the temperature of 25 DEG C, the pH value of 7.0 and the ionic strength of 0.1 M; the nano-hydroxyapatite is prepared from nano-scale mesoporous hydroxyapatite, and the nano-hydroxyapatite contains nano-scale mesoporous hydroxyapatite. By adding the specific chelating agent, dynamic balance is formed in the tooth repairing composition, slow release protection can be formed on free calcium ions, the double inactivation effect possibly occurring when hydroxyapatite and fluoride exist at the same time is effectively avoided, the synergistic repairing effect of hydroxyapatite and fluoride is fully exerted, and the tooth repairing effect is improved. The use of fluorides can be greatly reduced, and safety and reliability are achieved.

The present invention relates to the technical field of dental medical treatment, and specifically discloses a method for using a CBCT (Cone Beam Computer Tomography) for automatically positioning a tooth, which comprises the following steps: S01, archiving CT data; S02, calculating AI and generating AI results; S03, entering CT reading by a client; S04, downloading and loading the CT data; S05, opening a function of a tooth lens; S06, selecting a corresponding tooth position in a tooth position list; and S07, selecting a 3D tooth rendering mode. The function of the ‘tooth lens’ is added into traditional CT reading, which is suitable for clinical disease diagnoses such as ‘tooth extraction, root canal therapy, tooth repair’ and the like in oral treatment, and doctors can precisely and quickly position the single tooth through selection for the tooth position, which facilitates more comprehensive analysis.

The invention discloses a broken tooth repairing method based on a laser cladding technology. The broken tooth repairing method is specifically implemented according to the following steps that 1, the profile of a broken tooth surface is obtained; 2, broken tooth repairing preparation; 3, repairing the section; and 4, heat treatment and performance optimization. The broken gear can be efficiently repaired, the mechanical property and the tribological property of the broken gear can be improved, and the service life of the gear is prolonged.

The invention discloses an extruded thread trimming detection method, an extruded thread system and application. The method comprises the following steps: calling an impedance reference template bound with a material and a tap index, synchronously collecting steady-state alternating-current impedance of each chip groove at different depths of a thread, calculating deviation according to a groove position weight, setting two-stage threshold values to generate local or overall abnormal marks, then carrying out partitioned statistics on the continuous interval length and number of the abnormal marks, and finally, carrying out statistical analysis on the continuous interval length and number of the abnormal marks. And obtaining a thread overall quality judgment result. According to the technical scheme, the tooth crest trimming quality can be nondestructively detected in real time in the tooth trimming process on the premise that the machining takt is not affected, batch rework or scrapping caused by later spot check is avoided, and the method is suitable for thread batch production with the high quality requirement.

The invention provides porous biological ceramic as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing aluminum oxide slurry with a pore forming agent to obtain mixed slurry; carrying out light curing reaction on the mixed slurry in a layer-by-layer projection manner by adopting DLP 3D printing, and carrying out layer-by-layer printing, accumulation and forming to obtain a ceramic body; according to the preparation method, through the aluminum oxide slurry composite pore-forming agent and the DLP 3D printing technology, it is guaranteed that no through hole exists in the material, high density and mechanical strength are maintained, and the problem that in the prior art, surface performance and mechanical performance are difficult to consider at the same time is solved; a discrete porous structure is constructed on the surface of the high-solid-content aluminum oxide ceramic, so that accurate regulation and control of the surface roughness are realized, surface discrete holes are directly formed, and a complex post-treatment process is omitted; through the sintering process, the overall sintering shrinkage rate is controlled, the forming precision of a complex structure is improved, the large-scale production requirement is met, and the material can be applied to bone tissue engineering scaffolds and tooth restoration materials.

The invention relates to the technical field of oral clinical medicine, and discloses a digital tooth bridge generation method which comprises the following steps: inputting a tooth three-dimensional mesh model and an occlusion direction; establishing a tooth local coordinate system based on the occlusion direction; on the basis of the tooth local coordinate system and the tooth restoration type, calculating a connector placement area between adjacent tooth models; generating a connector control line based on the connector placement area; constructing a connector grid according to the connector control lines; and fusing the connector grid and the tooth three-dimensional grid model to generate a tooth bridge model. Through a small amount of necessary input of the model and the direction, full-chain self-adaptive processing is driven, dependence on a preset template and manual intervention of a user is reduced, and therefore the tooth bridge model meeting the clinical function and attractiveness requirements is generated, the situations that the shape is abrupt and transition is unnatural after fusion are reduced, and the repairing effect is improved. The invention further discloses a digital tooth bridge generation device, a digital tooth bridge generation system and a computer readable storage medium.

The invention discloses sub-nanowire modified resin as well as a preparation method and application thereof, and belongs to the technical field of biological medicines. The resin comprises sub-nanowires and a resin matrix, and solves the problem of poor adhesion caused by excessive hydration of an adhesion interface in clinical operation. Meanwhile, through the multi-stage interaction between the resin matrix and the sub-nanowires, the cohesive stability of the resin and the adhesive property of the resin can be improved at the same time. The resin disclosed by the invention can be applied to the fields of tooth restoration and the like, in particular to the aspects of tooth bonding, filling and the like.

The utility model belongs to the field of false tooth processing, and relates to a novel engraving and milling machine for false tooth repair. A square-box-shaped base is installed in the middle of a bottom plate of a shell of the engraving and milling machine. A waterproof plate is arranged in the base and divides a cavity in the base into an upper part and a lower part, and the lower part of the cavity forms a drawer type water tank; a main shaft used for machining and repairing a workpiece is arranged in the base, and an X-axis movement mechanism, a Y-axis movement mechanism and a Z-axis movement mechanism are installed on the base. The X-axis movement mechanism is connected with the main shaft, and the Z-axis movement mechanism is connected with an L-shaped swing arm; the L-shaped swing arm is provided with an overturning disc for clamping a workpiece through a rotating mechanism, and the position of the overturning disc corresponds to the position of the main shaft. The X-axis movement mechanism, the Y-axis movement mechanism, the Z-axis movement mechanism and the rotating mechanism are all connected with an electrical module placed behind the base body. According to the utility model, the processing cost and the manufacturing threshold of the prosthesis are reduced, and finally the cost of false tooth repair of a patient is reduced to a great extent.

The present application relates to the technical field of aero-engine, disclose a kind of gear end tooth repair method, comprising the following steps: S1, preparation package, after filling alloy disc powder in package, package is set on the end tooth of gear;S2, by pressure device let the end tooth of gear and package between vacuum after package brazing sealing;S3, to gear heat isostatic pressing;S4, to gear heat treatment;S5, using circular arc end tooth grinder to gear grinding processing.The alloy disc powder can be realized with the same mechanics of gear parent alloy, anti creep fatigue, no metallurgical defect connection, can effectively solve the problem of crack, poor mechanical properties, poor creep performance, poor wear resistance and so on.

The invention provides auxiliary equipment for treatment of oral cavity tooth pulp diseases, and belongs to the technical field of treatment of the oral cavity tooth pulp diseases. In order to solve the problems that the position of an existing auxiliary support is inconvenient to adjust, different devices are difficult to replace and use, and manual operation is inconvenient, an oral treatment chair and a base arranged on the side edge of the oral treatment chair are included, a supporting frame is vertically connected to the base, and a lifting piece is connected to the upper side of the inner surface of the supporting frame; a moving seat linearly moves on the inner surface of the lifting part; a rotating base is arranged on the inner upper side of the moving base, and a first mechanical arm is rotationally arranged on the upper surface of the rotating base; a second mechanical arm is rotationally arranged on the first mechanical arm. The auxiliary and convenient effects during treatment of oral cavity tooth pulp diseases are achieved, labor-saving supporting can be achieved, and positioning and repeated operation are achieved during tooth repairing and photocuring.

The utility model discloses a dental restoration bone meal viscous bone manufacturing table which comprises an operation table, a positioning pin, a first limiting bolt, a second limiting bolt, a connecting plate, a pressing pin, a tension spring, a limiting screw rod, a screw sleeve, a guide hopper and a funnel-shaped pad. A funnel-shaped manufacturing area communicated with the through hole is arranged at the top of the operation table, and a notch extending to the funnel-shaped manufacturing area is formed in the top of the through hole. According to the manufacturing table, the operation table provided with the funnel-shaped manufacturing area is adopted, viscous bones prepared through preliminary mixing can be conveniently collected into the storage cup, a first limiting bolt and a second limiting bolt in a through hole can be rotationally adjusted, and the storage cup can be conveniently placed into the through hole and then is pressed and fixed by pulling a pressing pin through a tension spring; and the guide hopper and the funnel-shaped pad are detachably mounted, so that the purpose of single use by a single person is achieved.

The invention discloses a digital intelligent oral cavity restoration process simulation system and method based on an oral cavity video, and belongs to the technical field of oral cavity digital restoration. The system comprises an oral cavity video acquisition module which is responsible for multi-angle video acquisition, preprocessing and oral cavity key point extraction; the modeling module is used for completing multi-view matching, three-dimensional basic model construction and defect identification and occlusion analysis; the three-dimensional repair design module is used for designing a three-dimensional tooth repair model in a digital environment; the virtual assembly detection module carries out assembly and biting fit detection to obtain fit indexes; the process simulation module adjusts process parameters based on the adaptation indexes and simulates and repairs the tooth state; and the repair scheme determination module iteratively optimizes the design parameters according to the state data and the ideal target to obtain a final optimized repair scheme. According to the scheme, the oral cavity three-dimensional model is reconstructed based on the multi-angle video, repair design is completed in combination with defect and occlusion analysis, a personalized scheme is generated through simulation evaluation and iterative optimization, and the repair precision is improved.

The invention relates to the technical field of forensic dental medicine and restorative dentistry, and discloses an artificial intelligence-driven defective tooth automatic restoration and reconstruction method, which comprises the following steps: S1, collecting a human real tooth model and collecting a corresponding two-dimensional image and a three-dimensional model to obtain an original data set; s2, processing the original data set by using a traditional image processing method to obtain an enhanced data set, and randomly dividing the enhanced data set into a training set, a verification set and a test set in a ratio of 8: 1: 1; and S3, constructing a tooth restoration and reconstruction network structure, wherein the overall network structure comprises three sub-networks: a tooth image restoration network, a tooth image preprocessing network and a tooth three-dimensional reconstruction network. According to the method, the repairing process of the defective teeth is simplified, manual participation is reduced, and the tooth repairing process is more intelligent, so that the repairing efficiency is remarkably improved, and meanwhile, the requirement for diagnosis experience of doctors is also reduced.

A threaded hole bad tooth repairing tool comprises a guiding screw tap, a repairing screw tap and an abutting and supporting pull rod, the repairing screw tap comprises a plurality of repairing units, and the repairing units are clamped to the end of the guiding screw tap in the circumferential direction at intervals; the abutting and supporting pull rod penetrates through the guiding screw tap and the repairing screw tap at the same time and comprises an abutting and supporting end, the abutting and supporting end abuts against the multiple repairing units at the same time, and the abutting and supporting pull rod pulls the multiple repairing units to drive the multiple repairing units to expand outwards at the same time. In-situ repair of the damaged threaded hole of the water-turbine generator set can be achieved.

The utility model discloses a tooth repairing mold matched with a bracket-free invisible appliance, which comprises an outer tooth socket which is a hard tooth socket; the inner tooth socket is a soft tooth socket, the inner tooth socket is provided with a filling mold, the filling mold is provided with a model hole, and the model hole is matched with the occlusal surface hole in the tooth; wherein the outer tooth socket is movably sleeved on the inner tooth socket; and the outer tooth socket and the inner tooth socket are respectively matched with a dental arch in the oral cavity. The tooth repairing device has the characteristics of being capable of repairing the occlusal surface hole in the tooth and the like.

The invention provides a preparation process of a bioactive ceramic coating for false tooth repair. The preparation process comprises the following steps: S1, selecting a bioactive ceramic raw material and detecting the purity of the bioactive ceramic raw material; s2, calculating the ratio of the bioactive ceramic raw materials and mixing; s3, pretreatment of a denture base; s4, spraying preparation of a bioactive ceramic coating; s5, curing treatment of the bioactive ceramic coating; s6, detecting the performance of the bioactive ceramic coating and judging the quality of the bioactive ceramic coating. According to the method, through multi-step data linkage and algorithm cooperation (S2 double algorithms and S4 double algorithms), the coating performance is converted from'experience control 'to'accurate calculation', the problems of insufficient coating biocompatibility, large mechanical property fluctuation, poor thickness uniformity and the like in a traditional process are solved, accurate parameter regulation and control are achieved, and the method is suitable for large-scale popularization and application. The preparation quality of different batches and different types of false tooth coatings is kept stable, and the large-scale production requirement is met.

The present application relates to a kind of multifunctional pharmaceutical composition of dental comprehensive repair and its preparation method, belong to biopharmaceutical technical field, and pharmaceutical composition includes keratin peptide, coral fungus extract, eggshell derived nano calcium phosphate, catechin zinc complex, hydroxyapatite, modified chitosan-PEG gel and other components.Keratin peptide is the product between 3kDa-10kDa obtained by keratinase enzymolysis to white goose velvet;Coral fungus extract is the product obtained by cellulase, subtilisin and bromelain enzymolysis to coral fungus, and purified by G-25 dextran gel column;Modified chitosan-PEG gel is the product obtained by sodium cyanoborohydride stabilization and glycerol plasticization to the reactant of chitosan and dialdehyde polyethylene glycol.Integrated multiple functions such as antibacterial, mineralization and tissue repair, through optimizing component and dosage form, realize efficient, minimally invasive dental damage repair, and good biocompatibility and long-acting.

The utility model discloses a turbine bearing outer oil baffle copper tooth repair scraping tool, include: scraper head, its working end is equipped with the wedge-shaped cutting edge of angle matching with oil baffle copper tooth, handle, present long rod state, and the front end fixed connection scraper head, the handle of gripping, for hollow cylinder structure, and handle can slide and be arranged in the inside of gripping, length adjusting mechanism, set up in the inside of gripping, the cutting edge plane of scraper head is perpendicular to handle axis. The utility model discloses a telescopic handle and gripping structure, combine the screw thread precision drive mechanism, effectively solved the traditional tool in the narrow space of steam turbine when the operation of oil baffle copper tooth is inconvenient, and the precision is out of control's difficult problem. It can flexible adaptation different operation depth, and the adjustment process is stable and accurate, and the scale visualization guarantees the repair scraping size consistency, and the overhaul quality and efficiency are greatly improved. Anti -skidding handle and contraction design have strengthened the operation safety and portability, and the overall structure is simple, and the practicality is strong, and the equipment damage risk and maintenance cost are reduced significantly.

The invention discloses an intelligent dental crown based on AI and multi-process integration and a preparation method thereof, and mainly relates to dental restoration. The sensor module is a microchip integrated in a dental crown and comprises a pH sensor with the measurement precision of + / -0.02, a temperature sensor with the precision of + / -0.1 DEG C, a pressure sensor with the measuring range of 0-500N and a pressure sensor with the measuring range of + / -1N and a bacterial concentration sensor with the measuring range of + / -1N; the biomaterial layer is composed of a self-repairing nano composite material, the mechanical property recovery rate within 24 hours after scratch damage is larger than or equal to 90%, the bacteriostasis rate on oral pathogenic bacteria is larger than or equal to 95%, the data processor is internally provided with an AI algorithm and used for analyzing sensor data and transmitting the sensor data to terminal equipment through Bluetooth, and the biomaterial layer comprises pH response type antibacterial ceramic. When the pH value of the oral cavity is less than 5.5, alkaline substances are automatically released to neutralize the acid environment. The dental crown has the advantages that the problems that a traditional dental crown is single in function and low in manufacturing efficiency are solved, and real-time monitoring and accurate repairing of the oral cavity environment are achieved.

The invention relates to a multifunctional pharmaceutical composition for comprehensive tooth repair and a preparation method thereof, and belongs to the technical field of biological pharmacy, the pharmaceutical composition comprises keratin peptide, a coral fungus extract, eggshell derived nano calcium phosphate, a catechin zinc complex, hydroxyapatite, modified chitosan-PEG gel and other components. The keratin peptide is a product between 3kDa and 10kDa obtained by performing enzymolysis on white goose down through keratinase; the coral fungus extract is a product obtained by carrying out enzymolysis on coral fungus through cellulase, subtilisin and bromelain and purifying through a G-25 sephadex column; the modified chitosan-PEG gel is a product obtained by stabilizing a reactant of chitosan and dialdehyde polyethylene glycol through sodium cyanoborohydride and plasticizing through glycerol. Multiple functions of antibiosis, mineralization, tissue repair and the like are integrated, efficient and minimally invasive tooth injury repair is achieved by optimizing components and dosage forms, and biocompatibility and long-term effectiveness are good.

The present disclosure relates to a restoration image generation method, apparatus, device, and storage medium. The method comprises: acquiring an image of a tooth to be restored; extracting a first a priori feature and a first decoding feature from the image of the tooth to be restored based on a trained tooth restoration model; and generating a restoration image based on the first a priori feature and the first decoding feature. The tooth restoration model is obtained by training a preset network based on images of missing teeth and sample restoration images. Through the above-described technical solution, the output restoration image can be made to conform to the actual tooth shape, thereby improving the accuracy of the restoration image and reducing the design cost of the restoration.

The invention relates to a composition with tooth repairing and whitening effects and application thereof. The composition is prepared from paeonol, honokiol, allantoin and a crocus sativus extract. The invention creatively discovers that paeonol, honokiol, allantoin and crocus sativus extract have a remarkable synergistic effect in the aspects of repairing and whitening the teeth. The four components are compounded for use, so that dental plaque bacteria can be remarkably reduced, gingival inflammation can be relieved, and meanwhile, the tooth whitening effect can be improved.

The utility model relates to a veneering tooth preparation guide plate, which belongs to the technical field of tooth restoration, and is characterized in that a molar guide plate is fixedly connected between a pair of positioning tooth sockets through a connecting piece so as to be matched with a dentist to quickly perform molar treatment in the veneering tooth preparation process, and the positioning tooth sockets are sleeved on teeth on two sides of veneering teeth; according to the tooth grinding device, the tooth grinding guide plate is conveniently fixed to the top or the front side of the veneering tooth, then the tooth grinding device is guided through the guide groove in the tooth grinding guide plate, the technical requirement for tooth grinding is effectively lowered, hurt to a patient due to tooth grinding operation errors is avoided, and meanwhile the tooth grinding device is convenient to use. And the tooth grinding condition of the veneering tooth can be observed in real time by utilizing the operation window formed on the connecting piece, so that a dentist can quickly grind the tooth, and the tooth grinding efficiency is improved.

1. The name of the design product: dental curing light (DR-1129). 2. The use of the design product: special equipment for dental treatment, which makes dental materials (such as composite resin, adhesive, etc.) rapidly solidify under the irradiation of light of a specific wavelength, thereby realizing the functions of tooth repair, bonding, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: assembly 1 perspective view 1. 5. Other components that need to be explained: including assembly 1, assembly 2.

The invention discloses an extrusion thread trimming self-adaptive control method, an extrusion thread system and application. The extrusion thread trimming self-adaptive control method comprises the steps that workpiece material information and extrusion force historical data are obtained, a spindle no-load power waveform is collected, energy baseline parameters are extracted, and a crest residual height initial threshold value and a hardened layer thickness initial threshold value are determined; setting a radial compensation amount according to an initial threshold value, executing micro cutting, and analyzing a cutting process power waveform to obtain energy characteristic data; crest residual height data and hardened layer thickness data are obtained from the whole circumference of the thread, correction is carried out by combining the energy characteristic data, and evaluation data are generated; executing a threshold value updating algorithm, and outputting a new threshold value and a tooth repairing instruction; and calling a tooth repairing instruction to complete segmented trace cutting or calendaring treatment, and confirming that the index meets the updated threshold value. According to the scheme, double-index accurate control and dynamic balance of the tooth crest residual height and the hardened layer thickness can be achieved, the problem that a traditional fixed parameter method cannot adapt to workpiece differences is solved, and the machining quality and consistency are remarkably improved.

The invention relates to the technical field of false tooth repair materials, in particular to high-strength heap plastic glaze paste for false tooth repair and a preparation method of the high-strength heap plastic glaze paste. According to the specific technical scheme, the high-strength heap plastic glaze paste for false tooth repair comprises glass powder A, glass powder B and zirconium oxide whiskers. The dental plastifiable glaze paste is formed by preparing glass powder with different particle sizes and different melting points, adding zirconium oxide whiskers and mixing and adding the blending liquid, the form is repaired through the plastifiable glaze paste after glazing and polishing, glazing is carried out through common transparent glaze paste, sintering is completed at a time, the sintering frequency is small, time is shortened, and the production cost is reduced. And the cracking risk of the restoration body is also reduced.

The invention discloses a dental repair positioning device for stomatology, and relates to the technical field of medical instruments, the dental repair positioning device for stomatology comprises an expansion assembly, an adjusting assembly and a positioning assembly.The dental repair positioning device for stomatology can drive two expansion arms to expand by starting a motor when the oral cavity of a patient is expanded; the oral cavity of a patient can be driven to be expanded through expansion of the expansion arms, then repair operation is facilitated, after expansion is completed, the positions of the two expansion arms can be relatively fixed through clamping connection of clamping connection teeth A and clamping connection teeth B, and therefore the oral cavity of the patient cannot be closed in the repair operation period; when the teeth of the patient are positioned, the positioning assembly can be driven to move to the affected teeth by rotating the adjusting assembly, and the affected teeth can be positioned through the positioning assembly, so that subsequent repair operation of a doctor is facilitated.

The present application belongs to the field of turbine blade repair, and discloses a kind of blade tenon tooth repair method, comprising: grinding out the grinding part matched with the tenon tooth of blade to be repaired on oilstone;Wherein, the surface shape of grinding part and the tenon tooth of blade to be repaired is consistent, and the size is reduced by preset proportion;Grinding part of oilstone is soaked in lubricating oil for a preset time;The surface of the grinding part of oilstone after soaking is tightly attached to the surface of the tenon tooth of blade to be repaired for grinding repair, and the error between the actual size and the target size of the relative tenon roller is measured during the repair process, until the error is less than the preset error threshold, the tenon repair of blade to be repaired is completed.By analyzing the tool form, operation mode and the surface quality of the blade to be repaired during the repair process, the problems that the repaired blade cannot meet the design and assembly test requirements are overcome, the effective repair of the blade with defective tenon is realized, and the manufacturing cost is effectively reduced and the resource waste is reduced.

Dental instrument for the application of tooth repair / filling material

The utility model relates to the technical field of building construction, and discloses a pile thread steel thread repairing device which comprises a fixing block and a locking nut, a nut fixing assembly is arranged on the fixing block, the nut fixing assembly is used for fixing the locking nuts of different sizes, and two threads are screwed on threads of thread steel through the locking nut. After it is ensured that the locking nut and the reinforcing steel bar are horizontal, the hexagonal sliding sleeve is manually driven to rotate on the deformed steel bar, screwing is started, concrete residues can fall off along a notch of the cleaning groove till all concrete falls off from threads, the hexagonal sliding sleeve is reversely rotated, the nut is withdrawn, and the threads are repaired. According to the screw thread repairing device, the problem that screw threads of the screw thread are adhered to concrete to affect follow-up installation is reduced, through the arranged nut fixing assembly, locking nuts of different models can be rapidly fixed to the fixing block, so that the screw threads of the screw thread are rapidly repaired, the operation process is simplified, and the repairing efficiency and the construction efficiency are improved.