30 results about "Temporary restoration" patented technology

Method for planning dental treatment which includes collecting data and images of the initial situation, creating an initial 3D model, studying the initial situation, analyzing the smile and planning in a center, all by means of software, creating and producing an envisaged final 3D model, creating a negative of the envisaged final model, creating in-situ a provisional prosthesis (mock-up) on the teeth of the patient which represents the final result which would be left after the treatment, reviewing the result and collecting photographs and video of the envisaged result and producing the required prosthesis, implant or brace elements from the digital data.

A device for retracting gingival tissue away from a tooth or plurality of teeth prepared to receive a dental prosthesis comprising a retraction material associated with a provisional restoration to be packed into a sulcus associated with the prepared tooth. The device is preferably compressible, deformably rigid, extensile and non-elastic and will not stick to the gingiva or tooth structure thereby allowing for atraumatic removal leaving a dry open sulcus. A method of use is also disclosed.

A radically curable polyurethane composite for dental restorations, including provisional restorations, includes polyurethane dimethacrylate prepolymers that have at least one flexible unit within a polyurethane dimethacrylate backbone, and one or more dimethacrylate monomers. Composite materials made with polyurethane dimethacrylate prepolymers of the invention exhibit superior and optimal properties of flexural strength and deflection-at-break relative to conventional dental resin composites. Composite materials of the invention also provide improved melt-resistance in response to the heat of grinding or finishing, thereby improving the fit of restorations made from the composite and preserving the finishing instruments. Methods of treating a tooth using the radically curable polyurethane composite and methods of making the polyurethane dimethacrylate prepolymers with flexible units is also provided. A kit including the radically curable polyurethane composite is also described.

The invention provides a prefabrication method of a temporary prosthesis for a dental implant surgery. The prefabrication method comprises the following steps: manufacturing a gypsum working model; obtaining jaw CT (Computed Tomography) data of a patient; matching the gypsum working model with the jaw CT data; designing the temporary prosthesis and determining an implanting position and an implant specification; manufacturing an implanting guide plate used in the dental implant surgery; controlling an accurate position for implanting the implant. A temporary prosthesis method is adopted and the prefabrication method of the temporary prosthesis for the dental implant surgery is adopted; the shape of a final prosthesis is completely consistent to the shape of a gum of the temporary prosthesis. The temporary prosthesis method is utilized and the temporary prosthesis is directly polished in a mouth to form a base platform of a final prosthesis. The prefabrication method provided by the invention has the advantages that a model does not need to be taken when an implant wound is opened and the gum can be protected to the greatest extent.

The invention discloses a digital accurate dental restoration manufacturing method. The method includes: at a clinical end, adopting easy-to-grind materials such as high-strength wax, a resin-based ceramic composite material and resin in appropriate strength, color, toughness and hardness to quickly make a crown; taking the own gum of each patient as a dental articulator and taking the crown clinically and digitally manufactured by fine adjustment through clinical communication and examination of doctors and patients to establish correct restoration geometric shape, color, marginal adaption, adjacency relation, occluding relation, morphology required by early-stage healing of the gum, so that temporary restoration effects including protection, maintaining and stabilizing are achieved; at adoctor end, performing secondary accurate scanning on the crown with well adjusted morphology, occlusion and adjacency relation, fusing secondary scanning data and digital wax pattern data designed before to obtain accurate dental restoration digital design, and accurately duplicating a bionic zirconium oxide false tooth, so that zero-grind-adjustment accurate restoration is realized at the doctor end.

The present application discloses a fast-setting mineral trioxide aggregate (MTA) with fluoride release for practical treatment of diseases in teeth and bone, e.g. for caries treatment and / or prevention. The cariostatic MTA contain calcia-silica-alumina cement with moderately increased tricalcium aluminate content allowing high calcium hydroxide release. The MTA composition support remineralization and biomineralization, and it is suitable for stimulation of hard tissue regeneration. MTA embodiments contain superplasticizerand nanosilicate for improved mechanical properties. The MTA compositions include optional radiocontrast and nano-enriched leachable fluorine, nitrate, strontium, and phosphate. The fast-setting MTA paste exhibits flow-to-clay-like consistency, which allows new practical applications including cavity lining, temporary restoration, bonding, and cementations in one MTA embodiment. The high calcium hydroxide and high fluoride release are suitable for caries prevention and treatment, and per se inhibition of dental symptoms.

There is provided a temporary restoration member (lining mats (1), nonslip pins (2), lock pins (3), stoppers (4), fixing pins (5)) for simplifying the construction work for temporarily restoring a road surface when a paved road surface (B) is excavated to lay piping, and a method for restoring the road surface using the member. Each of the lining mats (1) is a rectangular rubber plate provided with a thick central part (11), two thin side parts (12), and pinholes (16) at appropriate locations that pass through the mats from the front surface to the reverse surface. The lining mats are laid out to cover a backfilled surface so that the side edges of the mats are disposed on the paved road surface (B). Cylindrical nonslip pins (2) are driven into the pinholes, and lock pins (3) are driven into the cylindrical part of the nonslip pins to fix the lining mats. Latching protrusions (42) of stoppers (4) are inserted into the pinholes to connect adjoining mats.

The present invention provides a dental polymerizable composition which has excellent handling property by the brush-dip technique and the bulk-mix technique, particularly excellent handling property by the brush-dip technique, contains few air bubbles, is excellent in color tone, polishability, mechanical properties and the discoloration resistance of a cured product at the time of curing and is used for many purposes such as the repair of a denture base or artificial tooth, a tooth crown prosthetic restoration and a temporary prosthetic restoration which is used until a bridge is completed when it is a two-composition type self-curing resin.The dental polymerizable composition comprises three different types of (meth)acrylate polymer particles, each having specific particle size characteristics and specific molecular weight characteristics.

The invention relates to a nanocomposite resin material, and particularly relates to a dental nano-filler composite resin temporary crown and bridge material and a preparation method thereof. The nano-filler composite resin comprises a body component and a catalyst component, and preferably, the composite resin temporary crown and bridge material is prepared by stirring the body component and the catalyst component according to the mass ratio of 1:1 in practical application. The nano-filler composite resin material is used for preparing a temporary crown and bridge clinically, is steady in the cured shape of a temporary restoration body, and has good color stability and polishing performance. Through the nano-filler with special functions, the wear resistance and strength of the composite resin temporary crown and bridge material can be improved.

The invention discloses a manufacturing method of a digitalized implanting guide adhesive guide plate. The manufacturing method comprises the following steps of design of an implanting operation scheme; obtaining of an implant three-dimensional space; design of a repairing body; design of the guiding in-place and bonding guide plate; homogenization treatment of the tissue surface of the repairingbody; punching of the guide plate and the repairing body; forming of the guide plate and the repairing body. The digitalization technology is changed, and the surgically designed relative position ofthe three-dimensional space of a tooth implant serves as guidance before an operation, the temporary repairing body is designed and manufactured, meanwhile, the digitalized immediate repairing guidingin-place and bonding guide plate is designed and subjected to 3D printing, after the implanting operation is completed, in-place is completed under the guide of the guide plate, the space position inthe virtual design is restored, bonding between the repairing body and a temporary base station at the position is conducted, and finally immediate repairing is completed.

A method for denture restoration includes steps of generating sets of digital information of a mouth cavity of a person for providing firstly either an orientation appliance or a temporary restoration and subsequently a final restoration. The digital information is generated firstly from the mouth cavity alone and subsequently with the orientation appliance or the temporary restoration within the mouth cavity. The invention also relates to a system for performing this method, and to an orientation appliance and a prosthetic guide to be used in performing the method.

The invention discloses a method for transferring occlusion relationship and form design in dental occlusion reconstruction and restoration, belonging to the technical field of dental occlusion reconstruction and restoration. The method is characterized by comprising the following steps of: a, digitally scanning a model; b, designing a virtual aesthetic diagnosis wax pattern; c, performing 3D printing on the aesthetic diagnosis wax pattern; d, conducting tooth preparation and carrying out digital scanning for formulation of models; e, performing model fitting; and f, completing the design andmanufacturing of a temporary restoration body. According to the invention, data fitting is carried out twice, a working model completing tooth preparation is overlapped and fitted with the virtual aesthetic diagnosis wax pattern, and the jaw position relationship determined by an occlusal pad type restoration body is transferred to the temporary restoration body, so a tissue surface can be tightlyattached to butments after intraoral preparation, repeated relining, adjustment and modification of the temporary restoration body are not needed, and restoration efficiency and restoration precisionare greatly improved.

The invention discloses a fixing device for planting temporary restoration, a composite structure and a manufacturing method. The manufacturing method comprises the following steps that S1, dentition data and diagnosis wax pattern data are obtained, and CBCT is shooted to obtain jaw data; S2, data of target natural teeth is extracted; S3, STL data of an implant, a dentition and a target natural tooth is exported, a neck platform plane of the implant is extracted, and an abutment shoulder plane is generated after shifting for a specific distance; S4, a base is generated on the basis of the abutment shoulder plane; S5, a bracket matched with the base is generated; S6, the base and the bracket are 3D printed; and S7, the natural teeth is trepanned and grinded in sequence by using the base and the bracket, and connecting ground and trepanned natural teeth with the abutment to form an implant support type temporary prosthesis. According to the manufacturing method, the ground natural tooth has good suitability with the selected implant, and a fluid resin monomer does not need to be used.

The invention provides a method for transferring occlusion relationship and form design in dental occlusion reconstruction and repair, which comprises the following steps: acquiring the occlusion relationship between the upper jaw and the lower jaw of a patient through a plastic occlusal pad, and adjusting a tooth model on an occlusal frame according to the occlusion relationship to obtain an initial tooth model; acquiring an occlusion relationship in the initial tooth model through a dental model scanner, and generating an initial occlusion model according to the occlusion relationship in the initial tooth model; performing aesthetic design on the initial occlusion model through 3D modeling software to obtain an aesthetic diagnosis wax pattern; performing tooth preparation on the initial occlusion model to obtain a prepared occlusion model, and performing model fitting on the prepared occlusion model and the initial occlusion model to obtain a final occlusion model; performing model adjustment on the final occlusion model through 3D modeling software and an aesthetic diagnosis wax pattern to obtain a dental prosthesis model; and carrying out 3D model printing on the dental prosthesis model through a dental 3D printer to obtain a temporary prosthesis.

The invention provides a prefabrication method of a temporary prosthesis for a dental implant surgery. The prefabrication method comprises the following steps: manufacturing a gypsum working model; obtaining jaw CT (Computed Tomography) data of a patient; matching the gypsum working model with the jaw CT data; designing the temporary prosthesis and determining an implanting position and an implant specification; manufacturing an implanting guide plate used in the dental implant surgery; controlling an accurate position for implanting the implant. A temporary prosthesis method is adopted and the prefabrication method of the temporary prosthesis for the dental implant surgery is adopted; the shape of a final prosthesis is completely consistent to the shape of a gum of the temporary prosthesis. The temporary prosthesis method is utilized and the temporary prosthesis is directly polished in a mouth to form a base platform of a final prosthesis. The prefabrication method provided by the invention has the advantages that a model does not need to be taken when an implant wound is opened and the gum can be protected to the greatest extent.

The invention provides an implant immediate restoration method, device and system for a preformed temporary restoration. The method comprises the steps: designing the preformed temporary restoration of a special structure in software, and carrying out the production and processing; reversely presenting the implantation position of the implant through a special scanning body, and performing cloud computing to obtain penetration position information of an abutment on the preformed temporary restoration; performing secondary processing on the preformed temporary restoration of the special joint structure according to the penetration position information to form an assembly of the abutment and the temporary restoration; and clinically installing the assembly of the abutment and the temporary restoration to complete the whole temporary restoration process. The comfort of a patient can be enhanced, and the opening time of the patient in the treatment process is shortened; the clinical immediate repair safety is improved; in-mouth shaping and curing of a patient are not needed, and infection caused by in-mouth bonding due to heat generated by resin polymerization is prevented; the forming operation time of the temporary prosthesis beside the doctor chair is shortened; and clinical planting errors can be effectively corrected.

The invention provides an intelligent occlusal reconstruction process and a brace type occlusal plate. The intelligent occlusal reconstruction process comprises the following steps: S1, making diagnosis for a patient by a doctor, preparing an intraoral digital impression; S2, designing an occlusion reconstruction brace in a dental software by using the digital impression, manufacturing the occlusion reconstruction brace; S3, seeking and adapting a stable jaw relation after the patient wears the occlusion reconstruction brace; S4, conducting tooth preparation and wearing the occlusion reconstruction brace as a temporary prosthesis; and S5, manufacturing a final prosthesis. The intelligent occlusal reconstruction process and the brace type occlusal plate have the advantages of obtaining better aesthetics and comfort as the patient wears the occlusal reconstruction brace rather than a traditional stable occlusal plate; and rapid preparation of the final prosthesis because the patient directly wears the occlusion reconstruction brace instead of repeatedly grinding and adapting the temporary prosthesis, thereby shortening and simplifying the overall diagnosis and treatment process.

The invention relates to a substitution body of a temporary restoration for dental medical treatment and a temporary tooth preparation method. The substitution body of the temporary restoration for dental medical treatment disclosed by the invention is characterized by comprising a kernel of single tooth form shaped as an incisor tooth, a canine tooth, a premolar tooth or a molar or a kernel of an arrangement combination body of the single tooth form; thermoplastic materials, such as modelling compound, reshaping plastic wax and the like, are attached at the lip cheek side, the tongue palate side and contact surfaces and tissue surfaces of adjacent teeth of the kernel. According to the invention, the temporary tooth substitution body formed by connecting one or more teeth together and attached with thermoplastic materials, such as modelling compound, reshaping plastic wax and the like, is adopted, therefore, the material and the time for manufacturing temporary teeth in an extraoral manner are saved; communication between doctors and patients is more convenient; the substitution body is beneficial to pre-judging a treatment effect by doctors and preparing a guide tooth body; medical communication is simple and effective; the medical cost is reduced; in addition, compared with the temporary restoration designed and manufactured by a computer in an assistant manner, the substitution body disclosed by the invention has the obvious advantages of being low in cost, convenient in time and few in link.

The invention relates to a dentistry color composite resin high-strength fiber temporary prosthesis. The temporary prosthesis takes surface-modified and microscopic form-processing poly-p-phenylene ben-zobisthiazole (PBO) reinforced fiber as a reinforcing phase, and takes nano-modified toughening resin as a matrix, the PBO reinforced fiber is mixed with the toughening resin to form a composite material to prepare the temporary prosthesis. The temporary prosthesis can improve the problems of insufficient mechanical properties such as bending strength, bending elasticity modulus and toughness of the current resin temporary prosthesis, high-performance PBO fiber and a three-dimensional braiding structure are introduced into a dentistry temporary prosthesis material, so that the integral mechanical strength of the temporary prosthesis is increased.

The invention discloses an occlusal relationship-oriented implantation surgical device for missing dentition and a preparation method thereof. An implantation guide plate includes a guide plate base body, and the guide plate base body is prepared by 3D printing by obtaining the occlusal relationship of a patient. The jawbone of the patient is matched in shape and size; the guide plate base body is provided with a plurality of first retaining pin placement bodies, a plurality of osteotomy positioning bodies and implant site bodies; the first retaining pin placement body, the osteotomy positioning body A first guide hole is arranged on both the implant site body and the implant site; and a temporary restoration body, the temporary restoration body is prepared by 3D printing by obtaining the occlusal relationship of the patient, and the temporary restoration body has a plurality of second retention pins. The mounting body is provided with a second guide hole on the second retaining pin mounting body. The surgical device provides an occlusal relationship-oriented implantation guide plate for implantation surgery for missing dentition, the guide plate has a structure integrating retention, osteotomy and implantation sites, and can ensure the accurate placement of the temporary restoration.

The invention discloses a fixing device, a composite structure, and a manufacturing method for temporary restoration of implants. The manufacturing method includes the following steps: S1, acquiring dentition data and diagnostic wax-type data, taking CBCT to obtain jawbone data; S2, extracting target natural teeth STL data of the implant, dentition and target natural teeth, extract the implant neck platform plane, and generate the abutment shoulder plane after offsetting a specific distance; S4, generate based on the abutment shoulder plane Base; S5, generate a bracket that matches the base; S6, 3D print the base and bracket; S7, use the base and bracket to drill holes in the natural teeth in turn, adjust the grinding, and connect the natural teeth after the adjustment and drilling to the abutment to form Implant-supported temporary restorations. Through the manufacturing method of the present invention, the natural tooth after adjustment and grinding has good adaptability to the selected implant, and there is no need to use fluid resin monomers.