30 results about "Temporary restoration" patented technology

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.

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.

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.

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 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 superplasticizer and 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.

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 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.

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 discloses a method for digitally and accurately manufacturing dental restorations. At the clinical end, resins with suitable strength, color, toughness, and hardness, resin-based ceramic composite materials, high-strength wax, and other materials that are easy to mill and grind are used to quickly manufacture crown substitutes. ;Using each patient's own gums as the articulator, through the communication and inspection between the clinician and the patient, and using the clinically fine-tuned digitally produced crown as the medium, to establish the correct geometry, color, edge tightness, adjacency and occlusion of the restoration relationship and the shape required for the early healing of the gingiva, etc., to achieve temporary restoration--protection, maintenance and stability; the doctor will then conduct a second accurate scan of the crown that has adjusted the shape, occlusion and adjacency relationship, The second scan data is fused with the previously designed digital wax-up data to obtain an accurate digital design of the dental restoration, accurately replicating a bionic zirconia denture, and achieving zero grinding and precise restoration at the doctor's end.

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 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 a personalized abutment-crown integrated temporary restoration, the temporary restoration includes a crown and a titanium base, and the crown and the titanium base are bonded as a whole; the temporary restoration The body piercing contour is in harmony with the natural tooth piercing contour. The invention also discloses a preparation method and application of the personalized abutment-crown integrated temporary restoration. The present invention combines the concepts of implant personalized aesthetic restoration and digital restoration, and uses digital mirroring technology to design and manufacture a personalized abutment-crown integrated temporary restoration that is suitable for individual patients and is consistent with the natural tooth gingival contour; After 3-6 months of implantation and stable osseointegration, the temporary restoration is placed on the dental implant for soft tissue shaping around the implant in the aesthetic area to obtain a personalized and aesthetically pleasing peri-implant The soft tissue shape can achieve the ideal aesthetic effect of dental implant restoration.

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 method for making a digital implant guiding and bonding guide plate, which comprises the following steps: designing the implant operation plan; obtaining the three-dimensional space of the implant; designing the prosthesis; guiding in place and designing the bonding guide plate; Chemical treatment; guide plate and restoration drilling; guide plate and restoration shaping. By changing the digital technology, the present invention designs and manufactures a temporary prosthesis under the guidance of the surgically designed three-dimensional relative position of the dental implant before the operation, and at the same time designs and 3D prints the digitalized immediate prosthetic guide and bonding guide plate, and the implant surgery is completed Finally, under the guidance of the guide plate, the position is completed, and the spatial position in the virtual design is restored, and the restoration and the temporary abutment are bonded at this position, and the immediate restoration is finally completed.

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.

The invention discloses a method for transferring occlusal relationship and shape design in dental occlusal reconstruction and restoration, which belongs to the technical field of dental occlusal reconstruction and restoration, and is characterized in that it comprises the following steps: a. digital scanning model; b. designing virtual aesthetic diagnosis wax-up ; c, 3D printing aesthetic diagnosis wax-up; d, tooth preparation and digital scanning model taking; e, model fitting; f, complete the design and production of temporary restorations. The present invention overlaps and fits the working model of the completed tooth preparation and the virtual aesthetic diagnosis wax-up through two data fittings, transfers the jaw position relationship determined by the occlusal pad restoration to the temporary restoration, and can make the tissue surface and The abutment teeth after intraoral preparation fit closely, and there is no need for repeated relining and adjustment of the temporary restoration, which greatly improves the restoration efficiency and accuracy.