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47results about How to "Reduce the number of doctor visits" patented technology

Method for producing immediate complete or half denture based on 3D printing technique

The invention discloses a method for producing an immediate complete or half denture based on a 3D printing technique. The method comprises the steps of preparing an impression with a remaining tooth jaw or a tooth-free jaw, transferring a jaw position relation, acquiring digital models of the remaining tooth jaw or the tooth-free jaw and the jaw position relation, setting the arrangement and the denture border of artificial teeth of the immediate complete or half denture corresponding to the form of the remaining tooth jaw or the tooth-free jaw and the jaw position relation, invoking data in a preset database, designing the artificial teeth and polishing surfaces of the artificial teeth, regulating the occlusion of the teeth to enable alveolar ridge supporting tissues to bear proper pressure distribution, and manufacturing a three-dimensional model of the immediate complete or half denture by virtue of a photo-healing three-dimensional printing technique in the 3D printing technique. The method has the advantages that the production steps are simple, the production time is short, the precision is high, the denture can be conformably worn by a patient, and meanwhile, the production cost is lowered.
Owner:AFFILIATED STOMATOLOGICAL HOSPITAL OF NANJING MEDICAL UNIV

Oral upper and lower jaw position relation determining device and application thereof

The invention relates to an oral upper and lower jaw position relation determining device and application thereof. The oral upper and lower jaw position relation determining device comprises an upperjaw holding tray, an upper jaw tooth barrier, a lower jaw holding tray, a lower jaw barrier, marking screws and a fixing ring, wherein both sides of the upper jaw barrier or the lower jaw barrier areprovided with grooves in molar tooth areas, screw holes are formed inside the grooves, and the marking screws are threadedly connected inside the screw holes for adjusting the height to be in contactwith the opposite lower jaw barrier or upper jaw barrier to mark positions. By arranging the marking screws into the molar areas at the rear of an upper jaw and a lower jaw, the oral upper and lower jaw position relation determining device does not occupy tongue space, thereby improving the comfort level for a patient and ensuring the stability of the upper jaw holding tray and the lower jaw holding tray.
Owner:TONGJI UNIV

Method for preparing nano-silver thread

The invention discloses a method for preparing a nano-silver thread, which comprises the operation steps of: preparing 1 mmol of silver nitrate solution and 2 mmols of sodium borohydride solution respectively, then preparing the two solutions into a nano-silver colloid solution, then preparing the nano-silver colloid solution into a nano-silver gelatin solution, performing heating and concentration on the nano-silver gelatin solution, then performing water bath heat preservation on the concentrated nano-silver gelatin solution to ensure that the mixed gelatin solution is in a melted state, then soaking a suture which can be absorbed by human bodies into the nano-silver gelatin solution for a period of time, then uniformly drawing out of the suture at a preset rate, and naturally drying the suture; and thus ensuring that the nano-silver gelatin mixed solution with corresponding viscosity forms a layer of thin glue film on the suture to obtain the nano-silver thread. The method has simple and easy operation steps; used instruments are commonly used experimental vessels; and the prepared nano-silver wire has the surface silver content of between 15 and 300 ng / cm, is used as a novel thread body for catgut embedding therapy, can play roles in infection resistance, sterilization, inflammation diminishing and the promotion of wound healing of surface element-silver, and can increase the therapeutic effect, repair and stimulate the regeneration of organisms when embedded into tissues for a long time.
Owner:任晓艳

Manufacturing method for individual gingival aesthetic forming healing abutment

The invention relates to a manufacturing method for an individual gingival aesthetic forming healing abutment. The method comprises the following steps: 1) preparing upper and lower jaw models of a patient before operation, shooting CBCT and acquiring Dicom data of upper and lower jaws; 2) scanning the upper and lower jaw models, fitting an acquired STL document with CBCT in a Dicom format and then importing into the implanting guide plate design software; 3) designing an implant three-dimensional position and guide plate and 3D printing the jaw model and guide plate; 4) treating the surface of an end product temporary abutment of a tooth implantation system, in vitro simulating implantation, placing the end product temporary abutment, using an optical scanner for scanning the implant three-dimensional position and importing into the abutment design software; and 5) adopting a CAD / CAM cutting abutment, in vitro splicing, manufacturing a condensate locator and utilizing adjacent teeth to confirm the position of the abutment in the oral cavity. Compared with the prior art, the manufacturing method disclosed by the invention has the advantages that the individual gingival aesthetic forming healing abutment is placed in the same period of implant surgery, the secondary cutting of the wound in the conventional implanting two-stage operation can be avoided, the stimulation to the soft tissues can be reduced, and the like.
Owner:TONGJI UNIV

Positioning device of oral implanting robot vision navigation system

The invention discloses a positioning device of an oral implanting robot vision navigation system. The positioning device comprises a tray, a marking plate, a connecting rod, an opening retainer, an endoscope support and retaining screws. A tray handle of the tray is fixed through one retaining screw after being matched with a tray inserting portion of the connecting rod in position through a connecting rod inserting hole. A retaining screw hole B in the marking plate is fixed through one retaining screw after being matched with a retaining screw hole C of a connecting portion A of the connecting rod in position. The opening retainer is meshed with the interior of an opening retainer clamping groove in the tray through a toothed opening in the lower portion of the opening retainer. The endoscope support is fixed through one retaining screw after being matched with a retaining screw hole D in the endoscope support in position through an endoscope support inserting hole. According to the scheme, the operation steps are simplified, after the appropriate tray is selected according to clinic requirements, the tray can be stably fixed to a dentition by the adoption of a silicone rubber impression film preparation method, the tedious steps needed by manufacturing a device loaded on the dentition through a membrane pressing method are omitted, and preoperative preparation time and the patient treatment frequency are reduced.
Owner:BEIJING YAKEBOT TECH CO LTD

Partial denture capable of being picked off and making technology thereof

The invention discloses a partial denture capable of being picked off and a making technology thereof. The partial denture comprises a stent, artificial teeth and artificial gingiva, the stent comprises a clamping ring, a supporting ring, a big connecting body, a small connecting body and a saddle base plate; the saddle base plate is platy, makes contact with and covers the surfaces of gingiva without teeth; the artificial gingiva is arranged on the surface, away from the gingiva side, of the saddle base plate; artificial gingiva parts are arranged in the artificial gingiva. The making methodincludes the steps that oral cavity data of a patient is collected; through the oral cavity data, the step of constructing a model of the partial denture capable of being picked off overally is executed; based on the constructed model of the partial denture capable of being picked off overally, disc-shaped PEEK materials are cut at a time to obtain the partial denture capable of being picked off overally. In the scheme, the made denture is not cracked and falls off easily, is low in weight and free of peculiar smells, can be highly attached to the oral cavity of the patient, will not damage the mouth mocosa of the patient, can reduce the frequency of diagnosis of the patient, and can well protect remaining teeth well. The technology can be used for making the denture adapting to the oral cavity of the patient with high precision and rapidness.
Owner:SICHUAN UNIV

Prosthesis making method based on digital design and numerical control machining

The invention provides a prosthesis making method based on digital design and numerical control machining, which comprises the following steps: a blocker model is digitally designed based on multi-source data, the blocker model data is obtained, and the blocker model is obtained by a numerical control forming device; the data of occluder model is obtained by removable partial denture stent designsoftware, and the stent model of prosthesis is obtained by numerical control forming device. The prosthesis scaffold model is placed on the occluder model, and the occlusal test is carried out. The prosthesis is obtained by filling glue and packed in a box. The invention is based on multi-source data fusion modeling, obstructor model is obtained by reverse design, and digital prosthesis is obtained according to the obstructor model, which reduces clinical operation difficulty of obstructor impression, shortens clinical production time, and reduces patient discomfort. The obstructor model and prosthetic stent model were made by digital technology, which can shorten the operation time of clinical and technical room, shorten the number of patients, reduce the difficulty of prosthesis and improve the work efficiency.
Owner:SHANGHAI NINTH PEOPLES HOSPITAL SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE

Digital oral restoration method and system

The embodiment of the invention discloses a digital oral restoration method and system. The method comprises the steps of: obtaining three-dimensional data of a target position by using an intraoral scanner; importing the three-dimensional data into a three-dimensional data model of a preparatory body designed by preparatory body designing software to serve as a driving data set; exporting the driving data set to carry out preparatory operation of a to-be-restored tooth; and sending the driving data set to a restoration producing system to carry out restoration production. Compared with a method of asynchronously carrying out the preparatory operation of the to-be-restored tooth and the restoration production in the prior art, the method disclosed by the embodiment of the invention is beneficial to shortening the treatment time, improving the treatment efficiency and reducing the visiting frequency.
Owner:PEKING UNIV SCHOOL OF STOMATOLOGY

Multifunctional tray for dental implantation double scanning matching and jaw position recording and use method of multifunctional tray

PendingCN111658195ASolve the problem that cannot be matched at design timeLow costDental implantsImpression capsImplant techniqueMaxillary tooth
The present invention discloses a multifunctional tray for dental implantation double scanning matching and jaw position recording and a use method of the multifunctional tray. The tray comprises an upper jaw tray main body and a lower jaw tray main body, the upper jaw tray main body and the lower jaw tray main body are respectively matched with an upper jaw tooth area and a lower jaw tooth area in an oral cavity, a plurality of radiation blocking devices are respectively arranged in the upper jaw tray main body and the lower jaw tray main body, a universal joint connecting device is detachably arranged at a central position of a labial side on the upper jaw tray main body, the multifunctional tray also comprises an upper jaw arch plate and a lower jaw arch plate detachably connected withthe upper jaw tray main body and the lower jaw tray main body respectively, and when the tray is used, the upper jaw arch plate and the lower jaw arch plate are respectively arranged at an inner sideof the upper jaw tooth area and an inner side of the lower jaw tooth area. The tray is suitable for implantation operations of patients with metal artifacts, too few natural teeth or no natural teeth,and also can avoid a problem that guide plate implantation operations can be performed only by requiring the patients to see a doctor for many times in an existing implantation technology.
Owner:刘春煦

Traditional Chinese medicine for treating rhinitis and sinusitis and preparation method of traditional Chinese medicine

The invention belongs to the technical field of traditional Chinese medicines and discloses a traditional Chinese medicine for treating rhinitis and sinusitis and a preparation method of the traditional Chinese medicine. The traditional Chinese medicine for treating rhinitis and sinusitis comprises 100-300 parts by weight of centipeda minima, 100-300 parts by weight of cordate houttuynia, and 100-300 parts by weight of radix angelicae; a cotton swab is used to dip powder of the traditional Chinese medicine for treating rhinitis and sinusitis, the powder is fed into a nasal cavity, a patient takes a deep breath, the powder reaches a diseased region, the medicine is taken twice each day, and a course of treatment includes 14 days. The powder of the traditional Chinese medicine is used to treat rhinitis and sinusitis through an external inhalation method, is convenient to use, takes effects quickly, has good treatment effects, is non-toxic, and does not cause untoward effects; a patient with a mild symptom can also be treated by smelling the odor. Particularly, the traditional Chinese medicine has better treatment effects on purulent nasal mucus, nasal obstruction, airway obstruction and forehead ache caused by rhinitis and sinusitis, and takes effects quickly when being used to improve the symptoms of ventilation, purulent nasal mucus, forehead ache and the like.
Owner:荆门市中医医院

Gothic arch and method for obtaining long median jaw in digitization mode

The invention relates to a Gothic arch and a method for obtaining long median jaw in a digitization mode. The Gothic arch comprises an upper jaw Gothic arch and a lower jaw Gothic arch; the upper jawGothic arch comprises an upper jaw tray, a radiation point, an upper jaw bite rim, an upper jaw Gothic arch tracing plate, a tracing needle and a bite fork; and the lower jaw Gothic arch comprises a lower jaw tray, a radiation point, a lower jaw bite rim, a lower jaw Gothic arch tracing plate, a centric lock disc and a retention pin. The method for obtaining the long median jaw in the digitizationmode comprises the steps that a) taking a preliminary impression; b) loading an articulator; c) designing a personalized Gothic arch in a computer-aided manner; d) preparing a final impression; e) mounting the upper jaw Gothic arch tracing plate on the upper jaw tray through the upper jaw bite rim, and mounting the tracing needle on the upper jaw Gothic arch tracing plate; f) rotating the tracingneedle to adjust the height of the tracing needle to a proper position; and g) obtaining the long median jaw and the like. The Gothic arch and the method for obtaining the long median jaw in the digitization mode can be suitable for cases without teeth on one side and with teeth on the other side or cases with insufficient occlusion space, and the number of treatment times of a patient can be reduced.
Owner:ZUGA MEDICAL CHENGDUCO LTD

Bubble bath health maintenance prescription traditional Chinese medicine and preparation method thereof

The invention provides a bubble bath health maintenance prescription traditional Chinese medicine and a preparation method thereof. The prescription traditional Chinese medicine comprises a detoxifying prescription (namely an excretion prescription), a prescription for clearing and activating the channels and collaterals (namely a dredging prescription), a prescription for coordinating balance of yin and yang (namely a coordinating prescription), a prescription for tonifying qi and blood (namely a tonifying prescription) and a prescription for nourishing primordial qi and consolidating constitution (namely a nourishing prescription). The excretion prescription excretes six evils invading a human body, the dredging prescription dredges clogged meridians, the coordinating prescription coordinates balance of yin and yang of viscera, the tonifying prescription supplements qi and blood, and the nourishing prescription nourishes the primordial qi and consolidates constitution, so that capability of the human body in resisting invasion of the six evils into the human body is enhanced, and two different excretion prescriptions are set according to cold and hot constitutions. The prescription traditional Chinese medicine forms a complete system and can carry out specific treatment on a sub-health patient with hot or cold physical signs from external causes to internal causes and from the physical signs to root causes, and sub-health status and related chronic disease symptoms are effectively treated; besides, the prescription traditional Chinese medicine can take effect in a bubble bath way and does not require to be taken orally, displeasure of oral administration is reduced, and the burden of the liver and kidneys of the patient is lowered.
Owner:蒋春生

Shenghua decoction added with Radix Codonopsis for preventing intrauterine adhesion after artificial abortion and preparation method of Shenghua decoction

InactiveCN110201135AImprove the condition of first menstrual relapseImprove periodic abdominal painSexual disorderPlant ingredientsVisit timeCodonopsis
The invention belongs to the technical field of traditional Chinese medicines, and discloses a Shenghua decoction added with Radix Codonopsis for preventing intrauterine adhesion after artificial abortion and a preparation method of the Shenghua decoction. The Shenghua decoction added with Radix Codonopsis for preventing intrauterine adhesion after artificial abortion consists of Radix Codonopsis,Radix Astragali, Semen Persicae, Radix Angelicae Sinensis, Rhizoma Chuanxiong, Rhizoma Zingiberis Preparatum, Herba Leonuri, Pollen Tyjphae (parched), Fructus Aurantii (parched), Herba Taraxaci, Radix Cyathulae and Radix Glycyrrhizae Preparata. Medicines are added or reduced on the basis of the formula. By the Shenghua decoction added with Radix Codonopsis for preventing intrauterine adhesion after artificial abortion, the time of vaginal bleeding after induced abortion can be shortened; first menstrual resurgence after induced abortion is improved; postoperative periodic abdominal pain is improved; and uterine cavity adhesion rate is reduced. The medicine taking types of patients are reduced, and the cost of the patients is saved; the medicine taking period and the visiting times of thepatients are reduced, and the cost of the patients is reduced; the postoperative uterine cavity adhesion rate is reduced, the possibility of secondary operation is reduced, and the hospitalization frequency of the patients is reduced, so that the expenditure of the patients and national medical insurance can be reduced; The formula has a remarkable curative effect, the influence of traditional Chinese medicines is expanded, and the propaganda cost of traditional Chinese medicine culture is indirectly saved. The new medicine provided by the invention can effectively reduce adverse reaction after induced abortion; and the influence of the traditional Chinese medicine is expanded, and Chinese cultural legacy is promoted.
Owner:黄君

A positioning device for a visual navigation system of an oral implant robot

The invention discloses a positioning device of an oral implanting robot vision navigation system. The positioning device comprises a tray, a marking plate, a connecting rod, an opening retainer, an endoscope support and retaining screws. A tray handle of the tray is fixed through one retaining screw after being matched with a tray inserting portion of the connecting rod in position through a connecting rod inserting hole. A retaining screw hole B in the marking plate is fixed through one retaining screw after being matched with a retaining screw hole C of a connecting portion A of the connecting rod in position. The opening retainer is meshed with the interior of an opening retainer clamping groove in the tray through a toothed opening in the lower portion of the opening retainer. The endoscope support is fixed through one retaining screw after being matched with a retaining screw hole D in the endoscope support in position through an endoscope support inserting hole. According to the scheme, the operation steps are simplified, after the appropriate tray is selected according to clinic requirements, the tray can be stably fixed to a dentition by the adoption of a silicone rubber impression film preparation method, the tedious steps needed by manufacturing a device loaded on the dentition through a membrane pressing method are omitted, and preoperative preparation time and the patient treatment frequency are reduced.
Owner:BEIJING YAKEBOT TECH CO LTD

Internet platform-based appliance production system and method

The invention discloses an Internet platform-based appliance production system. The system comprises a patient mobile client, a database, a clinic client and a producer client, wherein patients, clinics and producers perform information communication through the database, the frequency that patients see doctors in hospitals in the treatment process can be reduced, and a patient can get an appliance for treating own oral dentition without hospital attendance. By utilizing a production method for producing appliances based on an Internet platform-based correction system, shelling data of an appliance is produced according to an oral three-dimensional model of the patient, and the appliance can be directly printed out by appliance production equipment according to the shelling data, resin model pressing the appliance can be reduced, and production cost can be reduced.
Owner:深圳易美智汇技术有限公司

Edentulous jaw individual tray device with front teeth aesthetic considerations

ActiveCN110063807AReduce doctor visits and operating timeBalance aesthetics and functionImpression capsDental articulatorsUpper lipOperation time
The invention relates to anedentulous jaw individual tray device with front teeth aesthetic considerations and a use method thereof. The device comprises an upper jaw individual tray, a pair of maxillary bite rims arranged on the two sides of the upper jaw individual tray, a lower jaw individual tray and a pair of mandibular bite rims arranged on the two sides of the lower jaw individual tray, anadjustable upper lip baffle is arranged in front of the upper jaw individual tray, and a positioning bump used for determining the relationship of the maxillary position and the mandible position. Compared with the prior art, the length and height of the upper lip baffler are matched with the length of the front teeth area and the amount of exposed teeth when a patient laughs, the protrusion of the upper lip baffle is matched with the fullness of the upper lip of the upper lip, the device can be used for considering front teeth aesthetics of the edentulous jaw patient, not only is the number of doctors' office visiting reduced and the operation time shortened, but also the aesthetics and functions are achieved.
Owner:TONGJI UNIV

Discharged patient management method and system

The invention discloses a discharged patient management method. The method comprises the following steps that a personal APP channel of a doctor is established; the patients joints the personal APP channel of the doctor when being discharged from a hospital; the patient creates a health archive in the APP channel and records a case in the health archive; the patient consults the doctor via the APP channel; and the doctor makes analysis and provides guidance for the patient according to the health achieve consultation information of the patient. The invention also discloses a discharged patient management system which comprises an APP module, a following module, an achieve module, a consultation module and a guidance module. The method and system can be used to manage discharged patients remotely, and are conducive to further consultation and recovery of the patients.
Owner:上海道拓医药科技股份有限公司

Preparation method of novel zirconium dioxide all-ceramic pile/nail for dental restoration

The invention provides a preparation method of a novel zirconium dioxide all-ceramic pile / nail for dental restoration. The zirconium dioxide all-ceramic pile / nail has a cone-shaped head, a cylindrical middle section, and a flat cuboid like tail. The preparation method of the zirconium dioxide all-ceramic pile / nail includes the steps of: 1) taking zirconium dioxide powder and polyvinyl butyral PVB as the powder for pile / nail production, conducting proportional dosing, mixing, drying and granulation, and controlling the PVB at a dosage of enabling zirconium dioxide powder bonding; 2) preparing a pile / nail molding die with a fixed size; 3) conducting pressing according to a predetermined size to form zirconium rods with unified specification; and 4) subjecting the zirconium rods to sintering molding in a zirconium dioxide crystallization furnace. The method provided by the invention is a more precise and efficient zirconium dioxide all-ceramic pile / nail preparation method, and provides a high strength, anticorrosion and durable material for dental repair. The obtained zirconium dioxide all-ceramic pile / nail is convenient for manufacturing and use, and has excellent biocompatibility and aesthetic effect, thus being an ideal new dental restoration material.
Owner:AFFILIATED STOMATOLOGICAL HOSPITAL OF NANJING MEDICAL UNIV

Portable real-time medical diagnostic device

A portable device for providing real-time medical ailment and cancer diagnosis. The portable device captures image information in a particular location for use to diagnose and update prior diagnosis of such medical ailments. The device captures new images, segments the images based on known or existing artificial intelligence, or image processing algorithms to isolate the region of interest from the image, process the region of interest via a learned diagnostic model, and provide output about the region of interest in real time. The output information contains a set of diagnostic probabilities in real time. The device communicates within a platform for receiving the generated information and applying deep learning or machine learning algorithms to update the diagnostic model and to trend data about the image with previous snapshots. The updated learned diagnostic model can then be downloaded to the device for further diagnoses.
Owner:DAVE ENG LLC

Plug-type post-core integrated crown suitable for posterior tooth occlusal gingival restoration with space less than 3 mm

The invention provides a plug-type post-core integrated crown suitable for the posterior tooth occlusal gingival restoration with a space less than 3 mm. The plug-type post-core integrated crown comprises a main body, a plug channel and a plug, wherein the main body comprises a crown part and a pulp cavity part, the crown part restores the shape and occlusal relationship of an affected tooth, andcovers and envelops a prepared body of the affected tooth, the pulp cavity part is located in a pulp cavity of the affected tooth, and matches the shape of the pulp cavity to obtain the retention force, and the plug passes through the plug channel of the main body and extends into a prepared post channel in the root canal to obtain retention. The plug-type post-core integrated crown suitable for the posterior tooth occlusal gingival restoration with a space less than 3 mm has the advantages of good retention, no need to adjust and grind a contralateral tooth, little damage, and good aesthetics, provides a good and novel restoration body used for the restoration of dental defects for such patients, and is especially suitable for the case that a posterior tooth restoration occlusal gingivalspace is too small to apply conventional crown restoration and post core + crown restoration.
Owner:AFFILIATED STOMATOLOGICAL HOSPITAL OF NANJING MEDICAL UNIV

Artificial intelligence diopter accurate measurement method based on eye image

PendingCN113854957ARealize accurate quantificationAccurate assessmentImage enhancementImage analysisOphthalmology departmentOcular refraction
The invention discloses an artificial intelligence diopter accurate measurement method based on an eye image. The method comprises the following steps: collecting an ocular surface image with Placido ring projection and a clear fundus image as model training data; preprocessing and amplifying all data; determining and constructing a network architecture used by the classification and regression model, and training, testing and verifying the two types of models to achieve optimal performance; and fusing the two optimal models by adopting an integrated learning voting method, constructing a hybrid model, and calculating and outputting an optimal solution, wherein the output result is the diopter. The human eye diopter is calculated and measured based on the objective eye image by means of the AI method, errors caused by adjustment and the like are avoided, effective overall scheme design, process optimization and algorithm parameter setting are carried out for specific application examples, and the problem is solved that in current child and teenager vision screening and ophthalmology clinical work, the real diopter acquisition difficulty is large due to the limitations of wide crowd, long time consumption, high requirements and the like.
Owner:TIANJIN EYE HOSPITAL OPTOMETRIC DEPT +1

Convenient-to-mount dental prosthesis

The invention discloses a convenient-to-mount dental prosthesis. The convenient-to-mount dental prosthesis comprises a dental bridge and a positioning pin, wherein the dental bridge comprises at leastone hollow artificial tooth and a plurality of solid artificial teeth; the hollow artificial tooth and the solid artificial teeth are arrayed in sequence; the hollow artificial tooth is provided witha pin hole which penetrates through upper and lower end faces of the hollow artificial tooth; the pin hole is connected with the upper end of the positioning pin; the lower end of the positioning pinis assembled on a foundation pile of a gum. According to the convenient-to-mount dental prosthesis disclosed by the invention, the at least one hollow artificial tooth and the plurality of solid artificial teeth are arrayed in sequence to form the integrated dental bridge, so that the plurality of artificial teeth can be planted in one step. Meanwhile, the hollow artificial tooth is provided withthe pin hole; the pin hole is connected with the upper end of the positioning pin; the lower end of the positioning pin is assembled on the foundation pile of the gum, so that the plurality of solidartificial teeth can be conveniently and rapidly mounted on the gum. By adopting the design, the working amount is greatly reduced and the working efficiency is improved; the number of times of seeinga doctor of a patient is reduced, pains of the patient are alleviated and the medical cost is saved. The convenient-to-mount dental prosthesis is applied to dental prosthesis replacement.
Owner:长沙康乃馨医疗器械科技有限公司

Adjustable universal composite abutment made of biomedical material and used for dental implant

The invention relates to the field of dental implant bridge repair, and particularly discloses an adjustable universal composite abutment for dental implant made of biomedical materials, which comprises an implant, a fixing block is mounted on the implant, a lower abutment is mounted at the top of the fixing block, an arc-shaped plate is mounted at the top of the lower abutment, the bottom of the arc-shaped plate is positioned in the lower abutment, and a fixing block is mounted at the bottom of the arc-shaped plate. An upper abutment is mounted at the top of the arc-shaped plate, an adjusting hole is formed in the bottom of the arc-shaped plate, the top of the implant penetrates through the adjusting hole and is provided with a fixing ring, a mounting hole is formed in the top of the implant, a hexagonal hole is formed in the inner bottom of the mounting hole, and a mounting mechanism is mounted in the mounting hole. The angle of the upper base table can be adjusted according to the use condition during use, meanwhile, a worker does not need to insert fingers into the oral cavity of a patient during use, and use is more convenient.
Owner:高峰医疗器械(无锡)有限公司

A method for making personalized gingival aesthetically shaped healing abutments

The invention relates to a manufacturing method for an individual gingival aesthetic forming healing abutment. The method comprises the following steps: 1) preparing upper and lower jaw models of a patient before operation, shooting CBCT and acquiring Dicom data of upper and lower jaws; 2) scanning the upper and lower jaw models, fitting an acquired STL document with CBCT in a Dicom format and then importing into the implanting guide plate design software; 3) designing an implant three-dimensional position and guide plate and 3D printing the jaw model and guide plate; 4) treating the surface of an end product temporary abutment of a tooth implantation system, in vitro simulating implantation, placing the end product temporary abutment, using an optical scanner for scanning the implant three-dimensional position and importing into the abutment design software; and 5) adopting a CAD / CAM cutting abutment, in vitro splicing, manufacturing a condensate locator and utilizing adjacent teeth to confirm the position of the abutment in the oral cavity. Compared with the prior art, the manufacturing method disclosed by the invention has the advantages that the individual gingival aesthetic forming healing abutment is placed in the same period of implant surgery, the secondary cutting of the wound in the conventional implanting two-stage operation can be avoided, the stimulation to the soft tissues can be reduced, and the like.
Owner:TONGJI UNIV

An edentulous personalized tray device with aesthetic considerations for anterior teeth and its method of use

ActiveCN110063807BReduce the number of doctor visitsQuickly determine the relationship between the upper and lower jawsImpression capsDental articulatorsSuperior lipMaxilla/Maxillary
The invention relates to anedentulous jaw individual tray device with front teeth aesthetic considerations and a use method thereof. The device comprises an upper jaw individual tray, a pair of maxillary bite rims arranged on the two sides of the upper jaw individual tray, a lower jaw individual tray and a pair of mandibular bite rims arranged on the two sides of the lower jaw individual tray, anadjustable upper lip baffle is arranged in front of the upper jaw individual tray, and a positioning bump used for determining the relationship of the maxillary position and the mandible position. Compared with the prior art, the length and height of the upper lip baffler are matched with the length of the front teeth area and the amount of exposed teeth when a patient laughs, the protrusion of the upper lip baffle is matched with the fullness of the upper lip of the upper lip, the device can be used for considering front teeth aesthetics of the edentulous jaw patient, not only is the number of doctors' office visiting reduced and the operation time shortened, but also the aesthetics and functions are achieved.
Owner:TONGJI UNIV

Immediate full denture or half denture manufacturing method based on 3D printing technology

The invention discloses a method for producing an immediate complete or half denture based on a 3D printing technique. The method comprises the steps of preparing an impression with a remaining tooth jaw or a tooth-free jaw, transferring a jaw position relation, acquiring digital models of the remaining tooth jaw or the tooth-free jaw and the jaw position relation, setting the arrangement and the denture border of artificial teeth of the immediate complete or half denture corresponding to the form of the remaining tooth jaw or the tooth-free jaw and the jaw position relation, invoking data in a preset database, designing the artificial teeth and polishing surfaces of the artificial teeth, regulating the occlusion of the teeth to enable alveolar ridge supporting tissues to bear proper pressure distribution, and manufacturing a three-dimensional model of the immediate complete or half denture by virtue of a photo-healing three-dimensional printing technique in the 3D printing technique. The method has the advantages that the production steps are simple, the production time is short, the precision is high, the denture can be conformably worn by a patient, and meanwhile, the production cost is lowered.
Owner:AFFILIATED STOMATOLOGICAL HOSPITAL OF NANJING MEDICAL UNIV

A removable partial denture and its manufacturing process

The invention discloses a removable partial denture and its manufacturing process. The denture includes a bracket, artificial teeth and artificial gingiva, and the bracket includes a clasp, a rest, a large connecting body, a small connecting body and a saddle base; the saddle base is a plate shape, contacting and covering the surface of edentulous gingiva; the artificial gingiva is arranged on the surface of the saddle base plate away from the gingiva; the artificial tooth root is arranged in the artificial gingiva. The production method is as follows: collecting oral data of the patient; constructing an integral removable partial denture model through the oral cavity data; based on the constructed integral removable partial denture model, cutting the disc-shaped PEEK material at one time to obtain the integral removable partial denture. The denture produced by the scheme of the present invention is not easy to split and fall off, has a light texture and no peculiar smell, has a high degree of fit with the patient's oral cavity, does not damage the patient's oral mucous membrane, can reduce the number of times the patient visits a doctor, and has a good protective effect on the patient's remaining teeth. The technique of the invention can manufacture dentures adapted to the patient's oral cavity with high precision and quickly.
Owner:SICHUAN UNIV

It is suitable for post-and-core integrated crowns with less than 3mm restoration space of posterior teeth and gums

The present invention provides a plug-type post-core integrated crown suitable for occlusal and gingival restorations of posterior teeth with a space less than 3mm, including a main body, a plug channel, and a plug. The main body includes a crown and a pulp cavity, and the crown restores the shape and occlusion of the affected tooth. Covering and enveloping the affected tooth preparation; the pulp cavity is located in the pulp cavity of the affected tooth, which matches the shape of the pulp cavity and obtains the retention force. The plug protrudes through the plug channel of the main body into the prepared post canal in the root canal to obtain retention . This type of post-and-core integrated crown is suitable for the occlusal and gingival repair space of posterior teeth less than 3mm. It has the advantages of good retention, no need to adjust and grind the opposing teeth, less damage, and good aesthetics. It provides a good treatment for this type of patients. The new type of restoration is used for the restoration of tooth defects, especially for the restoration of posterior teeth where the occlusal and gingival space is too small to apply conventional crown restoration and post-core + crown restoration.
Owner:AFFILIATED STOMATOLOGICAL HOSPITAL OF NANJING MEDICAL UNIV
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