109 results about "Tooth repair" patented technology

The invention relates to a manufacturing method of an implant denture individualized positioning guide plate in the technical field of tooth repair technologies, which comprises the steps of: firstly, establishing a three-dimensional model of anatomical structures of teeth, jaws, maxillary antrums, mandibular nerve conduits and the like according to oral cavity CT data of patients; secondly, carrying out virtual implanting on a solid modeled implant model, matching an implanted model with a patient oral cavity structural data model established after scanning a dental model by using an opticalscanner, determining the position of a guide hole of the positioning guide plate and the shape of a contact surface of gums, inserting a guide pipe in the guide hole; and thirdly, manufacturing a solid positioning guide plate. The solid positioning guide plate can provide optimal implanting position and direction to ensure the safety of an implanting technology and the long-term stability of an implant. The positioning guide plate can maximally utilize the bone quantity of the alveolar bone when in application. The invention can improve the efficiency and the accuracy of the implanting technology, ensure that the implanted implant accords with the biomechanical principle, and guarantee the repair aesthetic effect.

The invention provides an elastic dental wedge for use in securing a matrix band or a cavity filling material mold against an object tooth. The dental wedge of the instant invention can be easily inserted and removed during dental treatment procedures. Also described herein are the methods of using this dental wedge in tooth restorations, orthodontic operations, etc.

The invention relates to a tooth repair material. The tooth repair material is zirconia enhanced lithium silicate glass ceramic; the zirconia enhanced lithium silicate glass ceramic comprises the following chemical components in percentages by mass: 10%-14% of ZrO2, 54%-67% of SiO2, 12%-25% of Li2O, 0%-10% of a coloring agent and 0%-15% of a stabilizer. The invention further provides the tooth repair material and application thereof. According to the tooth repair material as well as a preparation method and the application thereof, the lithium silicate glass ceramic is taken as a glass matrix, and by adding an appropriate amount of zirconia, the tooth repair material with good mechanical property and reliability can be obtained through high-temperature firing.

The invention relates to a dental implant configured to be anchored in a jawbone for supporting a dental prosthesis.

In order to allow an adjustment of the tooth restoration structure to properties of a natural tooth the dental implant comprises a jacket member consisting at least in part of an osseo-integratable material and enclosing a cavity in an apical direction, and a filling member consisting of fiber reinforced material and being shaped so as to substantially fill out said cavity.

The invention relates to the field of computer assistance, and provides a false tooth restoration scheme design method and system based on data decision. The method comprises the following steps: S1,establishing a dentition condition database and a false tooth restoration scheme database; S2, detecting the conditions of all the current teeth to obtain detected current dentition data; S3, analyzing the data of the flag bits of each tooth number in sequence according to the collected current dentition data, and analyzing all the flag bits to obtain a preliminary denture restoration numbering scheme; And S4, further determining whether secondary data adjustment and scheme alternative need to be carried out or not, and obtaining a final false tooth repair design scheme. According to the technical scheme provided by the invention, the digital logic basis of false tooth design is favorably provided from the perspective of data analysis and decision making; A scheme for automatically designing denture restoration is established through a data decision method, a pre-restoration recommendation scheme is automatically given, clinicians are assisted in scheme making and correction, and the workload of large hospital doctors is reduced.

The invention discloses an improved method for the dentistry nonsilicate base ceramic bonding area, belonging to the tooth repair technology, which includes a film forming technology and a heat treatment step of the prosthesis after film forming, and under the pressure of 0.2 MPa the dentistry ceramic prosthesis is processed with sand blasting for 20 s using 110 mu m alumina, then is put in the anhydrous alcohol for ultrasonic cleaning about 10 min to dry. A nm silicasol with the density 40% is used to brush the coating on the sand blasting surface evenly, then is put in a closed environment with the relative humidity 60-70% for drying 24 h, and then for a heat treatment. The beneficial effect of the invention is that, a high quality coating is prepared on the complex dentistry nonsilicate base ceramic prosthesis bonding area, which simplifies the operation step, reduces the cost, and reaches the aim of advancing the ceramics/resin bonded strength in the principle without affecting the esthetic effect, while the relative materials and the devices are not imported, which accords with the the situation of a country and has good clinical application foreground and higher actual value.

The invention relates to a medical dental repair filling material for oral beauty. The medical dental repair filling material comprises 15-20 parts by mass of a resin matrix, 75-85 parts by mass of amodified filler and 1-2 parts by mass of a photoinitiator system, wherein the resin matrix comprises a carbamate-containing resin monomer and an active diluent, and the modified filler is surface-modified nano silicon dioxide. According to the scheme, polymerization shrinkage of the tooth repair filling material can be reduced, and the mechanical property is improved.

The present invention provides a tooth repair nanometer hydroxyapatite composite material and a preparation method thereof, wherein the composite material comprises 45-65% by mass of nanometer hydroxyapatite and 35-55% by mass of a resin matrix, and the nanometer hydroxyapatite contains powdery sodium fluoride having the amount of 2% of the mass of the nanometer hydroxyapatite. Compared with the existing material, the nanometer hydroxyapatite composite material of the present invention has advantages of strong mechanical and physical property, good biocompatibility, excellent biological activity and the like, meets requirements of dental repair material bionics, can be used for tooth defect repair, can be provided for overcoming defects of strong dental pulp irritation, weak tooth bonding force and the like of the current dental repair material, provides new breakthrough for clinical treatment of dental disease, and has broad market prospects. The tooth repair nanometer hydroxyapatite composite material prepared by using the preparation method of the present invention has a good use result.

The invention relates to a tooth repair resin with X-ray radiation resistance and a preparation method thereof. The technical scheme is characterized in that: no heavy metal or heavy metal oxides are employed, instead bromine and iodine are employed for realization of developing of a resin under X-ray; the preparation method comprises: (1) grafting a substance containing a light-reaction-activity double bond and a substance containing certain halogen atoms to a cyclophosphazene molecule according to certain ratios; (2) dissolving prepared cyclophosphazene in TEGDMA according to certain mass; (3) adding Bis-GMA into TEGDMA according to a Bis-GMA/TEGDMA ratio of 50:50-70:30, and adding CQ with a mass fraction of 0.5%-0.8% and DMAEMA with a mass fraction of 0.5%-0.8%; and (4) employing light-cured technology to rapidly mold the composite resin, performing high-temperature solidification to obtain the tooth repair resin. The tooth repair composite resin prepared by employing the preparation method is endowed with X-ray radiation resistance by employing halogen elements, also the problems of nonuniform distribution and bad interface compatibility caused by heavy metal or heavy metal oxides, and no loss on mechanical properties of the resin is generated.

A method for designing a plurality of adjacent tooth restorations using CAD/CAM technology The invention relates to a method for designing a plurality of adjacent tooth restorations using CAD/CAM technology. In a first step, the virtual model of a first tooth restoration at the first border of the restoration site is designed. In a second step, the virtual model of the second tooth restoration adjacent to the first tooth restoration is designed, the second tooth restoration being adjusted to match the first tooth restoration. The virtual model of the first tooth restoration is adjusted in relation to the second tooth restoration in a third step, if required. This procedure is then repeated for all of the other tooth restorations in the restoration site.

The invention discloses a digital false tooth repairing method and system based on a B/S framework. The digital false tooth repairing system comprises a browser, a false tooth repairing WEB server and a database, wherein the browser is connected with the false tooth repairing WEB server through the internet, and the false tooth repairing WEB server is connected with the database. The digital false tooth repairing method and system are based on the B/S framework, information management, service submission, cloud end repairing, remote communication, information issuing and system maintenance operation are carried out through the false tooth repairing WEB server, the false tooth repairing work which can be finished only by a client side program through an existing false tooth repairing system based on a C/S framework is transferred to the false tooth repairing WEB server, only the false tooth repairing WEB server is updated in the updating process, the cost is low, efficiency is high, and updating and maintenance are easy. A user can carry out remote communication through the false tooth repairing WEB server, and the information sharing degree is high. The digital false tooth repairing method and system based on the B/S framework can be widely applied to the field of information engineering and biomedical engineering.

The invention discloses a titanium mesh device with an individualized bone ridge regeneration titanium mesh, for an accurate implant tooth repairing operation. The titanium mesh device comprises the titanium mesh, an implant fossa guide hole and positioning sleeves, wherein the titanium mesh is connected with the guide hole; and the positioning sleeves extend in the direction from the titanium mesh to neighbor teeth. The invention also discloses a manufacturing method of the titanium mesh device with the individualized bone ridge regeneration titanium mesh, for an accurate implant tooth repairing operation. According to the titanium mesh device with an individualized bone ridge regeneration titanium mesh, for an accurate implant tooth repairing operation disclosed by the invention, parameters including external dimensions and the like, of the individualized shape titanium mesh are suitable for the requirements of different patients, the two positioning sleeves extending from the edge of the titanium mesh are used for being fixed with the neighbor teeth on two sides; the neighbor teeth on two sides are used as main fixing stress supporting points to perform fine adjustment on the shape of the titanium mesh, so that the situation that the titanium mesh is tightly jointed to an alveolar bone wall without relying on the experience of a clinician can be realized, and after the operation, the growth of the bone is effectively guaranteed.

The invention discloses a customized fixed partial denture porcelain veneer. Porcelain powder with leucite as the main ingredient is directly used for paste-on-paste decoration of tooth repair form. The porcelain veneer comprises SiO2, Al2O3, K2O, Na2O, Li2O, BaO, B2O3, CaO, Sb2O3, ZrO2, SnO2, CeO2, F and TiO2. A method for preparing the porcelain veneer comprises the steps of making a high-temperature resistant tooth die, conducting pretreatment and soaking on the die so that porcelain coating and sintering can be conducted, coating combination porcelain, dentin porcelain and cutting porcelain in sequence, conducting sintering in a sintering furnace at different temperatures every time porcelain coating is conducted, conducting form polishing and finishing after sintering, then conducting glazing, conducting sintering in the furnace again, removing the die material, and taking off the veneer with overall thickness of 0.5-0.7 mm. The veneer has high tissue compatibility, stable chemical performance and high breaking strength, the color of the veneer can be adjusted to be matched with natural teeth, and a basis is laid for clinical application of porcelain repair of oral cavity.

A method and apparatus for beautifying teeth are provided, and are applied to a terminal. The method comprises the following steps: acquiring a face image; determining a tooth region in the face image, and positioning an abnormal tooth region and a normal tooth region from the tooth region according to depth information corresponding to the tooth region; performing repair processing on the abnormal tooth region according to the normal tooth region; and beautifying the tooth area. Through the embodiment of the invention, not only are the teeth whitened, but also the treatment of self-adaptive tooth repair and the like can be realized, the user with defective teeth can open his mouth at will when taking photos, and the user experience is improved.

The invention discloses a veneer color matching resin die. A production method of the veneer color matching resin die comprises the following steps: production of an impression, clinic color selection, production of a tooth repairing resin die, and production of a veneer working model. Polymer ceramic is selected in the production step of the tooth repairing resin die, the polymer ceramic is a micro-ceramic polymerization system, and contains 73% of a micro-ceramic component, so the good wear resistance of the surface of the produced resin die is ensured, and the resin die has a good polishingeffect, has resistance to dyeing, is not prone to change color, and has dental plaque resistance. The production method of the veneer color matching resin die has the advantages of simple productionprocess, and convenience in operation; the veneer color matching resin die is made by adopting porcelainized resin having the similar color with a practical tooth, so the veneer color is not affected,and the clamping and supporting effects of the veneer are achieved; and the veneer color matching resin die is suitable for the toning and glazing processes of cast porcelain veneers, baked porcelainveneers, glass ceramic veneers and zirconia baked porcelains, and has a wide application range and extremely high market values.

The invention relates to a preparation method of toothpaste and mouth wash for preventing and repairing caries, and belongs to the technical field of tooth repair. The preparation method comprises the steps that traditional Chinese medicine powder is prepared from radix angelicae, radix ampelopsis, rhizoma cyperi, asarum and the rhizome of chuanxiong and mixed with silicon dioxide for toothpaste abrasive, dopamine hydrochloride, stevioside and sorbitol to prepare toothpaste for preventing and repairing caries in a vacuum paste making machine; sodium bicarbonate, trihydrate potassium hydrogen phosphate, calcium chloride and sodium chloride are used as raw materials, tris(hydroxymethyl)methyl aminomethane and hydrochloric acid are used for adjusting pH after the mixture is mixed to be uniform, and mouth wash for preventing and repairing caries is obtained. The toothpaste and the mouth wash adhere to the surface of dentin through dopamine oxidation polymerization by means of a biomimetic mineralization method to be used as a bridge to deposit out a hydroxyapatite layer, dentin remineralization is achieved, a firm and compact protective layer is formed, and caries can be effectively prevented and repaired.

The invention relates to a silicon nitride-resin double continuous phase composite ceramic material and a preparation method and application thereof. Specifically, the invention relates to a method for preparing the silicon nitride-resin double continuous phase composite ceramic material. The method comprises the steps of shaping, high-temperature sintering, surface treatment, penetration treatment and resin compounding. The invention further relates to the silicon nitride-resin double continuous phase composite ceramic material prepared by the method and application of the compound ceramic material in making repair materials of teeth or other hard tissues. The method has the advantages of simple process and easy operation; the composite ceramic material prepared by the method has the advantages of high strength, high processibility, similar elastic modulus and hardness to the teeth, and the like, and is especially suitable for serving as a tooth repair material, for example, the material can be used for making tooth crowns, tooth veneers, tooth inlays and tooth onlays, and also can be used for repairing other hard tissues.

The invention provides a personalized assembly type dental implant and implant tooth. The personalized assembly type dental implant comprises an assembly type base table and two or more tooth roots. The bottom of a dental crown is provided with a base groove used for being connected with the assembly type base table in a sleeving mode. The assembly type base table is an intergral assembly type base table formed by combining two or more independent base table bodies. The independent base table bodies are arranged at the tops of all the tooth roots correspondingly. Each independent base table body is provided with an outer contact face and one or more inner contact face. The inner contact faces of the independent base table bodies are attached to the inner contact faces of the adjacent independent base table bodies. Clamping parts are arranged between the adjacent inner contact faces. According to the personalized assembly type dental implant and implant tooth, by arranging the assembly type base table, an original tooth socket can be utilized for mounting the implant tooth, pain of a patient is relieved, and the tooth repair time is shortened. The personalized assembly type dental implant and implant tooth are reasonable in structure design, and the problem that existing implant teeth cannot use original tooth sockets of two or more tooth roots can be solved.

The invention discloses a dendrobium officinale toothpaste which comprises the following components in parts by weight: 5-15 parts of dendrobium officinale extractive, 40-50 parts of wetting agent, 15-20 parts of friction agent, 0.1-0.3 part of preservative, 0.5-1.0 part of binder, 2.0-3.0 parts of foaming agent, 0.2-0.5 part of sweetening agent, 10-15 parts of tooth repairing care component and 10-25 parts of deionized water. The dendrobium officinale toothpaste is low in cost of raw materials, has a simple and scientific formula, is capable of fully utilizing the effects of active ingredients of dendrobium officinale and has a higher application value.

The invention discloses an oral foreign body adsorption device for clinical tooth repair. The oral foreign body adsorption device comprises a pipe body, a cleaning unit and an adsorption unit, wherein an L-shaped connecting block is arranged in the middle of the pipe body; fixing blocks are arranged at the front end and the rear end of the upper surface of the L-shaped connecting block respectively; a second suction nozzle is arranged at the left end part of the pipe body; a first suction nozzle is fixedly mounted at the other end of the second suction nozzle; an L-shaped connecting pipe is arranged at the right end part of the pipe body; a foreign body collection bottle is arranged at the bottom of the L-shaped connecting pipe; and the L-shaped connecting pipe is in threaded connection with an internal thread arranged at the top of the inner side of the foreign body collection bottle through an external thread arranged at the bottom of the outer side of the L-shaped connecting pipe. The oral foreign body adsorption device for clinical tooth repair can adsorb and discharge oral foreign bodies in a tooth repair process, is unlikely to block an adsorption pipe, has an illumination shooting function and facilitates observation of a worker, so that the operation efficiency of a medical worker is improved.

The tooth preparation guiding device includes one dental hand piece and one angle indicator assembled on the dental hand piece. The angle indicator consists of one dial with angle scale, and one pointer connected to the dial in shaft-shaft box mode for rotating freely and gravitationally. When the tooth preparation guiding device is used in preparing tooth, the pointer indicated angle is adopted to guide the tooth repairing treatment accurately.