CN105930615B - The flowing transportation work station of CAD-CAM-3D print system and mouth mending material is processed automatically - Google Patents

The flowing transportation work station of CAD-CAM-3D print system and mouth mending material is processed automatically Download PDF

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CN105930615B
CN105930615B CN201610316203.0A CN201610316203A CN105930615B CN 105930615 B CN105930615 B CN 105930615B CN 201610316203 A CN201610316203 A CN 201610316203A CN 105930615 B CN105930615 B CN 105930615B
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cad
mouth mending
mending material
cam
mouth
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CN105930615A (en
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高勃
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Fourth Military Medical University FMMU
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F30/00Computer-aided design [CAD]
    • G06F30/10Geometric CAD
    • G06F30/13Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/0003Making bridge-work, inlays, implants or the like
    • A61C13/0004Computer-assisted sizing or machining of dental prostheses
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/0003Making bridge-work, inlays, implants or the like
    • A61C13/0006Production methods
    • A61C13/0018Production methods using laser
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/0003Making bridge-work, inlays, implants or the like
    • A61C13/0006Production methods
    • A61C13/0019Production methods using three dimensional printing
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/08Artificial teeth; Making same
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00Dental prostheses; Making same
    • A61C13/34Making or working of models, e.g. preliminary castings, trial dentures; Dowel pins [4]

Abstract

The present invention relates to the flowing transportation work station of CAD-CAM-3D print system and its methods of automatic processing mouth mending material, and propose two kinds of quick repair systems, including vehicle, ship or aircraft, optical scanner and computer aided design system, CAD/CAM auxiliary system, the composite system of selective laser cladding machine, numerically controlled machine tool composition are installed in the space of vehicle, ship or aircraft.And optical scanner and computer aided design system, CAD auxiliary system, the composite system of selective laser cladding machine composition are installed in the space of vehicle, ship or aircraft.It is equivalent to the artificial tooth Digital manufacturing factory of a flowing.Frontier and island can quickly be reached, and perhaps outlying district for the field worker of the numerous officers and men of the People's Liberation Army or special industry provides quickly and easily tooth body dentition defect restoration service, fills up the blank of this respect.Theory customer-centric is embodied, traditional medical treatment mode has been overturned, has greatly facilitated patient, have a extensive future.

Description

The flowing transportation work station of CAD-CAM-3D print system and automatic processing oral cavity are repaired Complex
Technical field
The invention belongs to mouth mending material technical fields, and in particular to the flowing of the CAD-CAM-3D print system of miniaturization Transportation work station, the flowing transportation work station can carry out automation processing to mouth mending material, reach it is convenient, quick, accurate, Personalized production mouth mending material.
Background technique
CAD (Computer aided design, CAD) and area of computer aided make (Computer Aided manufacture, CAM) technology, has merged mathematics, optics, electronics, computer picture recognition and processing, automatic control Multi-disciplinary knowledge and the technology such as system and automation processing, are widely used in industrial automation and aviation in the 1970s Space industry.Nineteen eighty-three, First dental CAD/CAM system model machine that French Duret is developed come out in France;1985 Nian Fa Professor Duret goes out first backteeth porcelain complete crown using the equipment making and is successfully used to patient mouthful in state's world dentist's academic conference Chamber, so that CAD/CAM becomes a reality for dentistry field.After entering the nineties in last century, with modern photoelectron skill The further development of art, computer technology image analyzing and processing technology etc., more and more dental CADs/CAM system come out.Mesh Before, have more than 10 CAD/CAM systems and come out, inlay, veneer, complete crown, part-crown, fixed bridge, planting body gantry etc. can be made. And in removable partial denture and complete denture still in conceptual phase, there is no mature systems.Oral cavity CAD/CAM system is usual (CAM) three parts subsystem group is made by data acquisition (digitlization stamp), CAD (CAD), area of computer aided At.One emerging recovery technique of oral cavity initially forms, and CAD/CAM system makes Prosthodontics stride into modern high technology neck Domain.
1, main CAD/CAM system
In current commercialized oral cavity CAD/CAM system, CNC milling machine is important one of component part.Dummy processing Using numerical control milling mode, excess stock is cut off with cutting element, meets shape, size and surface roughness requirements to obtain Dummy.Belong to de-material production scope on the technological essence, i.e., is known as " subtraction " in this field.
1.1Cerec system
Cerec system is by Siemens (SIEMENS) dentistry portion, i.e., present German Xi Nuode (SIRONA) tooth The exploitation of equipment Co., Ltd, section is perfect.Its product line includes Cerec I, Cerec II and Cerec III and Cerec in Lab.Cerec 1 years be born III system of Cerec be based on windows platform, cutting system with image acquistion system respectively It works independently, software systems are improved there has also been great, and III system of Cerec is allowed to make inlay, onlay, veneer, portion Divide hat and complete crown.But III software systems of Cerec can only be also designed in the plane, be difficult to show the whole shape of dummy State.In March, 2003, Cerec 3D system was put on display for the first time in the Hinman dentistry conference of U.S. Atlanta, it is repaired in design Multidimensional angle of view can be introduced when body, can intuitively examine the form of dummy and abutment closely from the angle of 3 dimensions.Cerec 3D software System joined the 3D design software such as FrameWork, realize the reparation of full porcelain fixed bridge.Sirona company is proposed within 2002 Cerec in Lab system is exclusively for designed by skilled worker room, it collects tooth jaw data, dummy using laser scanning system Faster, the scope of application is wider for manufacturing speed, and the aluminium dioxide of higher intensity, zirconia ceramic material can be used.
1.2Celay system
Celay system is designed by Zurich tooth institute and is put on display for the first time in nineteen ninety in Munich, now by Switzerland The production of Mikroma company.The system is not CAD/CAM system in complete meaning, and principle is similar to a small-sized key duplication Machine consists of two parts, touch sensor and Micro Milling Machine, and what sensing head " reading " made in mouth or on die out has one Determine the wax or resin dummy surface topography data of hardness, and data are transmitted on milling machine simultaneously, synchronous processing goes out porcelain reparation Body.System composition is simple, and the degree of automation is very low.When work, it is necessary to which first production one is temporarily repaired in mouth or on die Complex, as the information source for obtaining data.Celay system mainly utilizes the processing of aluminium dioxide machinable ceramic to have facies occlusalis dentis The inlay or onlay of form, can also process the substrate crown of complete crown or fixed bridge.
1.3Procera system
Procera system is Sweden's system, is introduced to the market by Nobel Biocare company in 1993.Now, the system Data on dentognathic model, Yi Shitong are collected using Procera Piccolo or more advanced Procera Forte scanner 2.0 software of Procera Lofrwore is crossed to be designed dummy, after by data by Internet transmission extremely Procera system specified 4 production centers (Stockholm, Sweden;Fair Lawn, NJ, USA;Karlskoga, Sweden;Tokyo, Japan) carry out dummy processing.Machining center can require directly to be processed into final oxygen according to doctor Change zirconium, aluminium oxide all-ceramic crown bridge, can also only be processed into zirconium oxide, alumina substrate carries out surface decorations porcelain again after postal is returned. Procera system can be also used for field of planting in addition to it can be used for making natural teeth corona.Procera system can be cut Make single tooth base station of pure titanium or zirconium oxide, can the form shape of height to base station, angle and edge line carry out individual character Change design;Procera system can also cut the plantation bridge for making pure titanium or zirconium oxide, can at most provide 14 units Bridge is planted, fabulous biocompatibility, brilliant intensity and aesthetic effect are possessed.
1.4Cercon system
Cercon system is transferred to by data on Cercon Eye Scanner 3 D laser scanning dentognathic model The part Cercon Art CAD is designed dummy, and it is right that designed information is then passed to the part Cercon Brain Dummy carries out machining or is transmitted to information by internet to add dummy positioned at the production center of York Work production.Therefore some small-sized dental clinic or skilled worker center can only be bought with the Cercon Art of Cercon system CAD part system (has contained Cercon Eye Scanner scanner), to reduce cost.The Cercon Art CAD Part system can carry out fine design to Prosthetic margin, occlusal surface, can using zirconium dioxide structural ceramics as processing object Make stake core, Abutment, complete crown and fixed bridge.
1.5Lava system
Lava system was released by Minnesota Mining and Manufacturing Company in 2002, by Lava Scan, Lava CAD, Lava Form, Lava The part such as Therm forms.Data on dentognathic model are collected first with contactless 3D photo-scanning system, doctor utilizes Lava 4.0 software of Design carries out dummy design, obtains substrate by the zirconium dioxide porcelain block that cutting is pre-sintered first after the completion Hat, average per unit corona need 35 minutes.It is fully sintered to the progress of corona substrate crown after the completion of cutting, then banded on its surface Face porcelain.Vita colorimetric system is compareed, Lava zirconium dioxide substrate is selected labeled with 7 kinds of colors, and facing porcelain has 16 kinds of color selections, because The dummy of this Lava system production possesses color and translucency closest to natural teeth, which is primarily adapted for use in suitable for leaf-comb With the reparation of 3~4 unit fixed bridge of front and back tooth.
1.6Everest system
Everest system was introduced to the market by German Kavo company in 2002.The system by Everest scan, Tetra- component compositions of Everest engine, Everest therm, Everest elements.First by Everest scan Data on data presentation system (using CCD camera) acquisition dentognathic model, operator is using ENERGY CAD software to dummy Three dimensional design is carried out, then the part CAM carries out machining dummy on five axis of X, Y, Z, A, B.Therefore Everest system The dummy of production has good machining accuracy and clearly anatomical structure.The machinable material of Everest system is very Extensively, including zirconium oxide, aluminium oxide, pure titanium, glass ceramics, gold, resin etc., can make planting body, veneer, inlay, onlay, Leaf-comb and fixed bridge.
1.7 open system
Open system is " assembling " the type CAD/CAM system occurred in the market in recent years, data collection system, CAD System, CAM system are assembled after being made by different companies and are formed.Currently on the market there are two types of the open systems of comparative maturity Scheme:
1) 3Shape dentistry dedicated scan instrument+CAD software+Germany's numerically controlled lathe, can process the oxidation of all brands Zirconium, plastics, are not limited by brand;
2) 3Shape dentistry dedicated scan instrument+CAD software+U.S.'s 3D system wax pattern machine, can be with after having made wax pattern Embedding casting metal can also carry out the production of all-ceramic crown.
It is compared with other CAD/CAM systems, the advantages of open system is: the material being capable of processing is more extensive, production Cost is also cheaper.
2, the CAD/CAM system of increasing material manufacturing
Above-mentioned numerically controlled lathe can not cut dummy and cutting process with labyrinth (as with hollow structure) In cause waste of material etc. become oral restoration advanced manufacturing technology in critical issue urgently to be solved.Rapid shaping technique, Abbreviation RP or RPM technology (Rapid Prototyping/Rapid Prototyping Manufacturing), are last century 80 The advanced manufacturing technology that age end grows up.The technology is by CAD (CAD), computer-aided manufacturing (CAM), computer numerical control (CNC) (CNC), elaborate servo driving, the advanced science such as laser and material science are integrated in one, take The thought of discrete-lamination accumulation, basic conception is: any 3 d part can be regarded as many two-dimensional surface profiles along a certain Coordinate side is superimposed to be formed.But RP technology cannot make metal restoration directly to meet the needs of oral restoration.Last century 90 Age end is combined the Rapid Manufacturing Technology (Rapid Manufacturing, RM) of foundation by RP technology and Laser Coating Technology It accumulates the layer-by-layer cladding of dusty material to obtain Three-dimensional Entity Components by laser by the way of preset powdering or synchronous powder feeding system.Its The drip molding of production has outstanding physicochemical property, and is not limited by labyrinth.RP technology and RM technology are equal in essence Belong to and increase material production, i.e., this field is so-called " addition ".
" laser of oral cavity metal restoration was vertical in application in 2003 by the Gao Bo of the Fourth Military Medical University of P.L.A Body manufacturing process " Chinese invention patent is authorized (patent No.: ZL03134316.3) for 2005.Currently, metal restoration It is SLM (selective laser melting) and EBM (Electron Beam Melting) method that 3D printing, which forms mainstream, The former major print makes cochrome Guan Qiao, hat abutment bottom or removalbe partial denture bracket, and the latter is mainly used for metal plant Enter the production of body.
2.1 application in fixed repair
Bennett in 2004 has made cochrome and not using the MCP Realizer equipment based on SLM technology respectively The substrate crown of rust Steel material, fixed hat and fixed bridge, the corona external form after production are good.2005, French scholar Nadine was answered The Phenix SLM system researched and developed with oneself designs and has made the substrate crown of nichrome, manufactured substrate crown shape, precision Good, after cladding porcelain, the porcelain corona of production has extraordinary color-match and marginal.
2.2 application in removable partial denture
Williams in 2006 etc. has been made on 2 machine of SLM Realizer by CAD/CAM technology can pluck local justice The cochrome bracket of tooth.Domestic Wu Lin etc. tentatively realizes the CAD to Kennendy Ⅱ partially edentulous cast, And the resin casting mold of removalbe partial denture bracket is processed with laser fast forming machine.Zhu Senyang in 2009 etc. is to Kennendy Ⅰ tooth Lieque damage removalbe partial denture bracket has carried out CAD and production.
2.3 application in complete denture
Complete denture complex shape, and the material multiplicity of artificial tooth is formed, complete denture CAD/CAM research relatively lags behind.In High vigorous wait of PLA The Fourth Military Medical University, state passes through Surfacer software, designs half mouthful of metal base denture of the upper jaw, and Go out upper half mouth base using laser solid forming technology preparatory processing.2008,2009, the 4th medical university, army, the Chinese People's Liberation Army Learn the treatise Lasers Med Sci (2010) 25 of the high table laser fast forming production pure titanium-base of the complete denture upper jaw that breaks out: Volume15Number22009133~136 309-315, Rapid Prototyping Journal, and it is suitable to it Conjunction property is studied, and it is to be improved that clinical test results show that it makes precision.
3, the limitation and developing direction of tradition CAD/CAM in clinical application
Application of the CAD/CAM technology in oral cavity field substantially increases remediation efficiency, shortens patient's treatment cycle, reduces The pain of patient and the labor intensity for reducing technician, so that Prosthodontics achieves revolutionary development.But facing There is problems in bed application process: CAD/CAM system is mainly used in fixed reparation field at present, and can pluck part The main reason for not applying in artificial tooth and complete denture is the intrinsic limitation of the machining of CAD/CAM system, not only The waste of material is caused, but also the dummy type of production is single, is not capable of cutting the dummy of composite material.
In conclusion if can be by the cutting manufacturing technology of traditional CAD/CAM system and the organic knot of metal 3D printing technique It closes, is the fabrication direction of the following mouth mending material.
It is future if the cutting manufacturing technology of traditional CAD/CAM system and metal 3D printing technique can be organically combined The fabrication direction of mouth mending material.
Summary of the invention
In view of the above-mentioned drawbacks of the prior art or insufficient, the object of the present invention is to provide a kind of miniaturizations The method of the flowing transportation work station of CAD-CAM-3D print system and automatic processing mouth mending material, and propose two kinds quickly Both systems individually or are simultaneously assembled on the flowing vehicles on this basis, are equivalent to a stream by repair system Dynamic artificial tooth Digital manufacturing factory preferably meets quick reparation tooth body, the defect of dentition demand of specific group.According to applicant The data-searching of progress, up to now until, there is not yet being equipped with both systematic accounts and related patents.
In order to realize that above-mentioned task, the present invention take two kinds of following technical solutions:
The flowing transportation work station of the first CAD-CAM-3D print system, including vehicle, ship or aircraft, which is characterized in that Optical scanner and computer aided design system, CAD/CAM auxiliary system, selection are installed in the space of vehicle, ship or aircraft Property laser melting coating machine, numerically controlled machine tool composition composite system.
The flowing transportation work station of second of CAD-CAM-3D print system, including vehicle, ship or aircraft, which is characterized in that Optical scanner is installed in the space of vehicle, ship or aircraft and computer aided design system, CAD auxiliary system and selectivity swash The composite system of light cladding machine composition.
The flowing transportation work station of the first above-mentioned CAD-CAM-3D print system, the automatic side for processing mouth mending material Method, which is characterized in that specifically include the following steps:
Step 1, is had been routinely accomplished in patient mouthful or plaster cast outside mouth with optical scanner and computer aided design system Three-dimensional profile scan and establish and the consistent mouth mending material data model of oral cavity agomphosis situation;
Step 2 is designed with the complete oral cavity of CAD/CAM auxiliary system at the configuration of dummy according to the design of mouth mending material With production, output data format is the compatible STL format of selective laser cladding machine;
Step 3, after being tried on patient's plaster cast properly, together with the mouth mending material configuration of plaster cast and production Rescan is carried out with optical scanner and computer aided design system, obtains the total data that mouth mending material is just worn, whereby Data carry out final mouth mending material Secondary Design with CAD/CAM auxiliary system software, obtain matching with mouth mending material Artificial tooth or base data;
Step 4, using the molding metal powder material of SLM, which must meet the medical mark admissible of country It is quasi-;The data that selective laser cladding machine obtains step 3 are separated into two-dimensional surface data, carry out two according to preset sequence The processing of dimensional plane outline data, successively cumulative, cladding deposit forming material powder obtains metal mouth mending material;
Meanwhile the data for obtaining step 3 input numerically controlled machine tool, choose and obtain the mouth of the medical certification license of country Chamber ceramics or plastics blank material, cut the artificial tooth or base with metal mouth mending material form fit;
Step 5 cuts the metal mouth mending material of selective laser cladding machine cladding accumulation molding with numerically controlled machine tool Artificial tooth or base the assembly bonding cut out, obtains final mouth mending material.
The method that the flowing transportation work station of above-mentioned second of CAD-CAM-3D print system processes mouth mending material automatically, It is characterized in that, specifically including the following steps:
Step 1, has been routinely accomplished in patient mouthful or the three-dimensional profile of the outer plaster cast of mouth is scanned and established and oral cavity agomphosis The consistent data model of situation;
Step 2 is set using the complete oral cavity of CAD auxiliary system at the configuration of dummy according to the design principle of mouth mending material Meter and production, output data format are the compatible STL format of selective laser cladding machine;
Step 3, selective laser cladding machine is with the molding metal powder material of SLM, the oral restoration that step 2 is obtained Body CAD 3D data model, is separated into two-dimensional surface data, carries out the processing of two-dimensional surface outline data according to preset sequence, Successively cumulative, cladding deposit forming material powder obtains metal mouth mending material.
Step 4 bakes modeling or porcelain on metal mouth mending material, completes the production of mouth mending material.
Wherein the selective laser cladding machine cladding deposit forming material powder is added in vacuum inert gas In work storehouse, metal powder material is laid on metal substrate, single layer powdering is with a thickness of the characteristic according to different metal dusty material Depending on machining accuracy, specific forming step is as follows:
(1) metal powder is placed on powder bed, is warming up to suitable temperature;
(2) after step (1) laser beam according to two-dimensional surface profile by metal powder cladding forming;
(3) after step (2), second of powdering is carried out, is struck off powder bed surface with scraper plate, then again according to step (1), step (2) sequentially carries out new one layer of single track cladding forming;Through powdering repeatedly, after single track cladding forming, removal was not melted The powder that covers and support construction are to get to metal mouth mending material.
Mouth mending material described in above-mentioned first method is core, Guan Qiao, PFM crown and bridge substrate crown, can pluck local justice Tooth bracket, complete denture base, implant denture gantry or personalized base station.
Mouth mending material described in above-mentioned second method includes:
(1), personalized stake core, Guan Qiao, PFM crown and bridge substrate, removalbe partial denture bracket or complete denture base;Or Person
(2), personalized planting body, the gantry of planting body superstructure, personalized base station.
Step 2 described in above-mentioned second method further comprises: CAD auxiliary system is in mouth mending material computer aided manufacturing When helping design, metallic support is conducive to promote the retention system that in conjunction with golden porcelain or roasting modeling combines with the design of artificial tooth junction, These bit architectures include maintenance microballon, maintenance microballoon or the honeycomb structure for increasing bond area.
The flowing transportation work station of miniaturization CAD-CAM-3D print system of the invention, can quickly reach frontier and island or Person outlying district, for the numerous officers and men of the People's Liberation Army or special industry field worker provide quickly and easily tooth body denture lack Damage repairs service, fills up the blank of this respect.For example going to sea in aircraft carrier, the time is very long, and existing technology is can be simple It handles and has a toothache acute disease or simply fill dental filling, be difficult to carry out dentures repai.The system is attached to medical services flowing traffic After work station, the purpose quickly having a denture made is realized at once, the officers and men or particular row that the time no for guarantee to hospital has a denture made Industry personnel are of great significance.Application prospect is boundless.The mobile service transportation work station can even reach city rural area Any place makes patient enjoy making house calls for " mobile hospital ", embodies theory customer-centric, has overturned tradition Medical treatment mode, greatly facilitate patient, have a extensive future.
Detailed description of the invention
Fig. 1 is the flowing transportation work station of CAD-CAM-3D print system of the invention, the optical scanner and calculating of use The composite system knot that machine aided design system, CAD/CAM auxiliary system, selective laser cladding machine, numerically controlled machine tool form Structure block diagram;
Fig. 2 is the flowing transportation work station of CAD-CAM-3D print system of the invention, the optical scanner and calculating of use The composite system structural block diagram of machine aided design system, CAD auxiliary system and selective laser cladding machine composition;
Fig. 3 is 1 patient oral cavity agomphosis photo of embodiment;
Fig. 4 is the flowing transportation work station of the CAD-CAM-3D print system of embodiment 1, using optical scanner and computer The composite system that aided design system, CAD/CAM auxiliary system, selective laser cladding machine, numerically controlled machine tool form is produced Buccal impression obtains plaster cast photo;
Fig. 5 be completed on plaster cast pluck local alloy artificial tooth TC4 bracket CAD figure;
Fig. 6 be selective laser cladding machine complete pluck local alloy artificial tooth TC4 bracket;
Fig. 7 is can to pluck local alloy artificial tooth TC4 bracket to try photo on plaster cast;
Fig. 8 is can to pluck local alloy artificial tooth TC4 bracket together with plaster cast rescan data;
Fig. 9 is the progress secondary calculating machine Computer Aided Design artificial tooth on it can pluck local alloy artificial tooth TC4 bracket;
Figure 10 is three the successive winning of the number on title of zirconia ceramics that numerically controlled machine tool is completed;
Figure 11 is can to pluck local alloy artificial tooth TC4 bracket and three the successive winning of the number on title of zirconia ceramics assembly photo.
Figure 12 is the flowing transportation work station of the CAD-CAM-3D print system of embodiment 2, the optical scanner of use and meter The composite system of calculation machine aided design system, CAD auxiliary system and selective laser cladding machine composition, with removable partial denture The metal mouth mending material structure chart prepared for TC4 bracket;
Figure 13 is the form picture of dummy metallic support and ceramics or plastics junction special construction;
Figure 14 is the removable partial denture TC4 metallic support picture that metal 3D printing is completed;
Figure 15 is removable partial denture TC4 metallic support part special construction exhibiting pictures;
Figure 16 is removable partial denture TC4 metal branch adhesive holder porcelain or roasting modeling photo;
Below in conjunction with drawings and examples, the present invention is described in further detail.
Specific embodiment
Below in an example, the flowing transportation work station of CAD-CAM-3D print system of the invention, the stream It is therein any that the dynamic vehicles can be automobile, aircraft and naval vessel.
Embodiment 1:
Referring to Fig. 1, the present embodiment provides the flowing transportation work station of the CAD-CAM-3D print system by taking automobile as an example, Optical scanner and computer aided design system, CAD/CAM auxiliary system, selective laser cladding are installed in the space of automobile The composite system of machine, numerically controlled machine tool composition, the composite system include three parts, and first part is optical scanner and computer Aided design system, the acquisition of the digital model to complete mouth mending material;Second part is the CAD/ of mouth mending material CAM auxiliary system and its software, to complete the CAD of mouth mending material configuration.Part III is the choosing of miniaturization Selecting property laser melting coating machine and numerically controlled machine tool (CNC milling machine), selective laser cladding machine therein act as metal 3D printing Role, the CAD data of mouth mending material that design is completed is subjected to metal powder cladding accumulation with selective laser cladding machine Molding, the type of mouth mending material includes metal pile nuclear, metal crown bridge, PFM crown and bridge metallic substrates, removable partial denture metal Bracket, complete denture metal base, the metal gantry of planting body and personalized base station etc., it is medical perhaps that metal powder meets country It can standard;It is the plastics or ceramic artificial tooth and base for meeting the medical license of country that CNC milling machine, which is ground out material,;Finally by people Make tooth and base assembly be bonded on the bracket of metal, this completes removable partial denture, fixed denture, complete denture with And the quick Fabrication of the dummies such as planting body artificial tooth.
Processing method comprises the concrete steps that:
Step 1, is had been routinely accomplished in patient mouthful or plaster cast outside mouth with optical scanner and computer aided design system Three-dimensional profile scan and establish and the consistent mouth mending material data model of oral cavity agomphosis situation;
Step 2 is designed with the complete oral cavity of CAD/CAM auxiliary system at the configuration of dummy according to the design of mouth mending material With production, output data format is the compatible STL format of 3D printer;
Step 3, after being tried on patient's plaster cast properly, together with the mouth mending material configuration of plaster cast and production Rescan is carried out with optical scanner and computer aided design system, obtains the total data that mouth mending material is just worn, whereby Data carry out final mouth mending material Secondary Design with CAD/CAM auxiliary system software, obtain matching with mouth mending material Artificial tooth or base data;
Step 4, using the molding metal powder material of SLM, which must meet the medical mark admissible of country It is quasi-;The data that selective laser cladding machine obtains step 3 are separated into two-dimensional surface data, carry out two according to preset sequence The processing of dimensional plane outline data, successively cumulative, cladding deposit forming material powder obtains metal mouth mending material;
Meanwhile the data for obtaining step 3 input numerically controlled machine tool, choose and obtain the mouth of the medical certification license of country Chamber ceramics or plastics blank material, cut the artificial tooth or base with metal mouth mending material form fit;
Step 5 cuts the metal mouth mending material of selective laser cladding machine cladding accumulation molding with numerically controlled machine tool Artificial tooth or base the assembly bonding cut out, obtains final mouth mending material, wears and use for patient.
A kind of production overall process of removable partial denture the most complicated in mouth mending material is given below, it is specific to wrap It includes:
1, material and equipment
1.1SLM material requested and equipment
Selective laser cladding machine (EOSINT M280, EOS Corp., Germany).
TC4 powder, spherical powder, 15-53 microns of partial size (Ka Bente company, the U.S.).
1.2CAD/CAM auxiliary system and numerically controlled machine tool
CAD/CAM auxiliary system and its matched numerically controlled machine tool (Ultrasonic20linear, DMG company, moral State), removable partial denture design software (3shape company, Denmark).
1.3 other materials and equipment
Optical scanner and computer aided design system (DWOS, Dental Wings company, Canada);
Kang Te " water magic square " silicone rubber impression material (Kang Te gear division group, Switzerland);
Super hard gypsum (Hubei Bei Nuo dental material Co., Ltd);
Machinable zirconium oxide block (Ai Er creates company, China).
1.4 case selections and abutment preparation
Choose male patient's scape, the age 56 years old, upper left jaw premolar teeth and first Molar (Fig. 3) cannot go kind It plants and fixed denture reparation, the traditional Wei Taling stent-type removable partial denture reparation of voluntary row.
Dentures repai is designed as the removable partial denture of tooth-borne type, and 13,17,23,27 are used as abutment, places occlusal rest, Lip buccal side designs snap ring, and wide posterior palatal bar is major connector.Complete clinical abutment preparation.
The CAD and 3D printing of 1.5 removalbe partial denture brackets
It produces patient two to pay oral cavity plaster cast (referring to fig. 4), first pair of model uses traditional lost-wax casting technology system Make Wei Taling metallic support, is that patient wears use after the completion of row's tooth filling plastic production.
Using optical scanner and computer aided design system, (DWOS, Dental Wings company, add and take another pair of model The three-dimensional profile of plaster cast is scanned greatly) and is established and the consistent mouth mending material data model of oral cavity agomphosis situation, use The removable partial denture design software of 3shape company completes the CAD design figure (Fig. 5) of removable partial denture TC4 bracket, needs It is emphasised that the shape of substrate crown is designed in 14,15,16 edentulous regions, it is then enterprising in selective laser cladding machine with the data Row metal 3D printing, local alloy artificial tooth TC4 bracket (Fig. 6) can be plucked by producing.Printing and making parameter is 400W optical-fiber laser, single For layer powdering with a thickness of 60 microns, scan path is linear filling+outer profile scanning.
In the present embodiment, selective laser cladding machine acts as the role of metal 3D printing, cladding accumulate TC4 powder at Type is TC4 dusty material to be laid on metal substrate, single layer powdering is with a thickness of according to different in vacuum inert gas processing storehouse Depending on the characteristic and machining accuracy of metal powder material, specific forming step is as follows:
(1) metal powder (TC4 powder) is placed on powder bed, is warming up to suitable temperature;
(2) after step (1) laser beam according to two-dimensional surface profile by metal powder cladding forming;
(3) after step (2), second of powdering is carried out, is struck off powder bed surface with scraper plate, then again according to step (1), step (2) sequentially carries out new one layer of single track cladding forming;Through powdering repeatedly, after single track cladding forming, removal was not melted The powder and support construction covered, can be obtained can pluck local alloy artificial tooth TC4 bracket.
After the completion of local alloy artificial tooth TC4 bracket can be plucked, (Fig. 7) is tried on plaster cast.
1.6, which can pluck rescan, the secondary calculating machine that local alloy artificial tooth TC4 bracket is located on plaster cast, assists setting Meter and numerical control machining
Local alloy artificial tooth TC4 bracket can be plucked to be fully seated on plaster cast, with optical scanner and area of computer aided Designing system carries out secondary data scanning (Fig. 8), carries out secondary calculating machine Computer Aided Design for scan data, designs artificial tooth Configuration (Fig. 9), and obtain the CAD data of artificial tooth configuration, which inputs CAD/CAM auxiliary system and matched numerical control cutting Lathe is cut, zirconia material is chosen, cutting produces and can pluck matched three the successive winning of the number on title of zirconium oxide of local alloy artificial tooth TC4 bracket (Figure 10).
The assembly of three the successive winning of the number on title of 1.7TC4 bracket and zirconium oxide is bonded
Three the successive winning of the number on title of zirconium oxide is assembled on alloy artificial tooth TC4 bracket, with bonding agent is bonded (Figure 11) after completely in place, most Completion can pluck the production of local alloy artificial tooth eventually.
Embodiment 2:
Referring to fig. 2, the present invention provides a kind of flowing transportation work station of CAD-CAM-3D print system by taking automobile as an example, Optical scanner and computer aided design system, CAD auxiliary system and selective laser cladding machine are installed in the space of automobile The composite system of composition.The composite system includes three parts, and first part is optical scanner and computer aided design system, is used To complete the acquisition of the digital model of mouth mending material;Second part is the CAD auxiliary system of mouth mending material, to complete mouth The CAD of chamber dummy configuration.Part III is the selective laser cladding machine of miniaturization, the selective laser Cladding machine acts as the role of metal 3D printing, the CAD data metal powder cladding heap for the mouth mending material that design is completed Product molding.Specifically include the following steps:
Step 1, has been routinely accomplished in patient mouthful or the three-dimensional profile of the outer plaster cast of mouth is scanned and established and oral cavity agomphosis The consistent data model of situation;
Step 2 is set using the complete oral cavity of CAD auxiliary system at the configuration of dummy according to the design principle of mouth mending material Meter and production, output data format are the compatible STL format of selective laser cladding machine;
Step 3, selective laser cladding machine is with the molding metal powder material of SLM, the oral restoration that step 2 is obtained Body CAD 3D data model, is separated into two-dimensional surface data, carries out the processing of two-dimensional surface outline data according to preset sequence, Successively cumulative, cladding deposit forming material powder obtains metal mouth mending material;
Step 4 bakes modeling or porcelain on metal mouth mending material, completes the production of mouth mending material.
Above-mentioned metal mouth mending material includes:
1, personalized metal pile nuclear, metal crown bridge, PFM crown and bridge substrate, removable partial denture metallic support, full mouth justice Tooth metal base;
2, personalized planting body, the gantry of planting body superstructure, personalized base station etc.;
The step 2 further comprises: CAD auxiliary system is in mouth mending material CAD, by metal Bracket is conducive to promote the retention system that in conjunction with golden porcelain or roasting modeling combines with the design of artificial tooth junction, these retention systems include Maintenance microballon, maintenance microballoon or the honeycomb structure for increasing bond area, to increase ceramics or plastics and metallic support Binding force.
It is the detailed of the production of more complicated removable partial denture in a kind of mouth mending material that inventor provides below Overall process:
2, material and equipment
2.1SLM material requested and equipment
Selective laser cladding machine (EOSINT M280, EOS Corp., Germany);
TC4 powder, spherical powder, 15-53 microns of partial size (Ka Bente company, the U.S.);
Optical scanner and computer aided design system (DWOS, Dental Wings company, Canada).
2.2 other materials and equipment
Kang Te " water magic square " silicone rubber impression material (Kang Te gear division group, Switzerland);
Super hard gypsum (Hubei Bei Nuo dental material Co., Ltd).
2.3 case selections and abutment preparation
It chooses with male patient, the age 56 years old, upper left jaw premolar teeth and first Molar, cannot go plantation and fixed justice Tooth reparation, the traditional Wei Taling metallic support formula removable partial denture reparation of voluntary row.
Removable partial denture design is the removable partial denture of tooth-borne type referring to Figure 12, and 13,17,23,27 are used as base Tooth places occlusal rest, and lip buccal side designs snap ring, and wide posterior palatal bar is major connector.Complete clinical abutment preparation.
The CAD and 3D printing of 1.4 removalbe partial denture brackets
Two pairs of patient oral cavity plaster casts are produced, one pair completes according to traditional lost-wax casting method and wears to patient It wears.Another pair makes optical scanner and computer aided design system obtain the digital model of plaster cast, with 3shape company Removable partial denture design software complete removable partial denture TC4 bracket CAD design figure (Figure 12), it is emphasized that 14, the special maintenance microballon structure (Figure 13) for increasing binding force is designed in 15,16 edentulous regions, is then being selected with the data The enterprising row metal 3D printing of selecting property laser melting coating machine, local alloy artificial tooth TC4 bracket (Figure 14) can be plucked by producing.Local justice can be plucked The exhibiting pictures of tooth TC4 metallic support part special construction are as shown in figure 15.Printing and making parameter is 400W optical-fiber laser, single layer For powdering with a thickness of 60 microns, scan path is linear filling+outer profile scanning.
In the present embodiment, selective laser cladding machine acts as the role of metal 3D printing, cladding accumulate TC4 powder at Type is TC4 dusty material to be laid on metal substrate, single layer powdering is with a thickness of according to different in vacuum inert gas processing storehouse Depending on the characteristic and machining accuracy of metal powder material, specific forming step is as follows:
(1) metal powder (TC4 powder) is placed on powder bed, is warming up to suitable temperature;
(2) after step (1) laser beam according to two-dimensional surface profile by metal powder cladding forming;
(3) after step (2), second of powdering is carried out, is struck off powder bed surface with scraper plate, then again according to step (1), step (2) sequentially carries out new one layer of single track cladding forming;Through powdering repeatedly, after single track cladding forming, removal was not melted The powder and support construction covered, can be obtained can pluck local alloy artificial tooth TC4 bracket.
1.6 can pluck the roasting modeling of local alloy artificial tooth TC4 bracket or porcelain
Modeling or porcelain are baked on it can pluck local alloy artificial tooth TC4 bracket and artificial tooth junction special construction, complete oral cavity The production (Figure 16) of dummy.
It should be noted that above embodiment is to aid in it will be understood by those skilled in the art that the present invention, the present invention are unlimited In above-described embodiment, the flowing transportation work station of CAD-CAM-3D print system according to the invention, the optical scanner of use and The compound system that computer aided design system, CAD/CAM auxiliary system, selective laser cladding machine, numerically controlled machine tool form System, can also be to stake core, Guan Qiao, PFM crown and bridge metallic substrates hat, complete denture base, implant denture gantry or personalized base station Etc. being processed automatically for various mouth mending materials.The optical scanner of use and computer aided design system, CAD auxiliary system The composite system of system, selective laser cladding machine composition, can also to personalized stake core, Guan Qiao, PFM crown and bridge substrate, can pluck Skeleton of partial denture or complete denture base;Or gantry, personalized base station of personalized planting body, planting body superstructure etc. Various mouth mending materials are processed automatically.During planting body 3D printing, suitable silver ion powder can be mixed, is reached Not only antibacterial, but also the purpose of synosteosis is not influenced.
In conclusion the flowing transportation work station of CAD-CAM-3D print system of the invention, wherein the optics used is swept It retouches and is answered with what computer aided design system, CAD/CAM auxiliary system, selective laser cladding machine, numerically controlled machine tool formed What collaboration system and optical scanner and computer aided design system, CAD auxiliary system and selective laser cladding machine formed answers Collaboration system can be respectively placed on the flowing vehicles, can also be installed on the same flowing vehicles, all be equivalent to The artificial tooth Digital manufacturing factory of one flowing, provides more convenient and fast service for patient.Patient is set to enjoy the upper of " mobile hospital " Door service, embodies theory customer-centric, has overturned traditional medical treatment mode, greatly facilitated patient, application prospect It is wide.

Claims (3)

1. a kind of flowing transportation work station of CAD-CAM-3D print system, including vehicle, ship or aircraft, which is characterized in that vehicle, Optical scanner and computer aided design system, CAD/CAM auxiliary system, selective laser are installed in the space of ship or aircraft The composite system of cladding machine, numerically controlled machine tool composition;The flowing transportation work station of the CAD-CAM-3D print system is certainly The method of dynamic processing mouth mending material includes the following steps:
Step 1, had been routinely accomplished in patient mouthful with optical scanner and computer aided design system or outside mouth plaster cast three Dimension shape is scanned and is established and the consistent mouth mending material data model of oral cavity agomphosis situation;
Step 2, according to the design of mouth mending material, with the complete oral cavity of CAD/CAM auxiliary system at the configuration design and system of dummy Make, output data format is the compatible STL format of selective laser cladding machine;The mouth mending material is core, Guan Qiao, bakes Porcelain is preced with bridge substrate crown, removalbe partial denture bracket, complete denture base, implant denture gantry or personalized base station;
Step 3 is used up after trying on patient's plaster cast properly together with plaster cast and the mouth mending material configuration of production It learns scanning and computer aided design system carries out rescan, obtain the total data that mouth mending material is just worn, whereby data, Final mouth mending material Secondary Design is carried out with CAD/CAM auxiliary system software, obtains the people to match with mouth mending material Work tooth or base data;
Step 4, using the molding metal powder material of SLM, which must meet the medical approval standard of country;Choosing The data that selecting property laser melting coating machine obtains step 3 are separated into two-dimensional surface data, and it is flat to carry out two dimension according to preset sequence Facial contour data mart modeling, successively cumulative, cladding deposit forming material powder obtains metal mouth mending material;
Meanwhile the data for obtaining step 3 input numerically controlled machine tool, choose and obtain the oral cavity pottery of the medical certification license of country Porcelain or plastics blank material cut artificial tooth or base with metal mouth mending material form fit;
Step 5 cuts the metal mouth mending material of selective laser cladding machine cladding accumulation molding with numerically controlled machine tool Artificial tooth or base assembly bonding, obtain final mouth mending material.
2. a kind of flowing transportation work station of CAD-CAM-3D print system, including vehicle, ship or aircraft, which is characterized in that vehicle, Optical scanner is installed in the space of ship or aircraft and computer aided design system, CAD auxiliary system and selective laser are molten Cover the composite system of machine composition;The flowing transportation work station of the CAD-CAM-3D print system carries out automatic processing oral cavity and repairs The method of complex includes the following steps:
Step 1, has been routinely accomplished in patient mouthful or the three-dimensional profile of the outer plaster cast of mouth is scanned and established and oral cavity agomphosis situation Consistent data model;
Step 2, according to the design principle of mouth mending material, using CAD auxiliary system complete the configuration design of mouth mending material with Production, output data format are the compatible STL format of selective laser cladding machine;CAD auxiliary system is calculated in mouth mending material When machine Computer Aided Design, metallic support is conducive to promote the maintenance knot that in conjunction with golden porcelain or roasting modeling combines with the design of artificial tooth junction Structure, these bit architectures include maintenance microballon, maintenance microballoon or the honeycomb structure for increasing bond area;It repairs in the oral cavity Complex includes: (1), personalized stake core, Guan Qiao, PFM crown and bridge substrate, removalbe partial denture bracket or complete denture base;Or Person (2), personalized planting body, the gantry of planting body superstructure, personalized base station;
Step 3, selective laser cladding machine is with the molding metal powder material of SLM, the mouth mending material that step 2 is obtained CAD 3D data model is separated into two-dimensional surface data, carries out the processing of two-dimensional surface outline data according to preset sequence, by Layer is cumulative, and cladding deposit forming material powder obtains metal mouth mending material;
Step 4 bakes modeling or porcelain on metal mouth mending material, completes the production of mouth mending material.
3. the flowing transportation work station of CAD-CAM-3D print system as claimed in claim 1 or 2, which is characterized in that described Selective laser cladding machine cladding deposit forming material powder be vacuum inert gas processing storehouse in, by metal powder Material is laid on metal substrate, depending on characteristic and machining accuracy of the single layer powdering with a thickness of foundation different metal dusty material, tool It is body formed that steps are as follows:
(1) metal powder is placed on powder bed, is warming up to suitable temperature;
(2) after step (1) laser beam according to two-dimensional surface profile by metal powder cladding forming;
(3) after step (2), carry out second of powdering, powder bed surface is struck off with scraper plate, then again according to step (1), Step (2) sequentially carries out new one layer of single track cladding forming;Through powdering repeatedly, after single track cladding forming, removal not cladding Powder and support construction are to get arriving metal mouth mending material.
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Families Citing this family (8)

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Publication number Priority date Publication date Assignee Title
CN106037966B (en) * 2016-05-12 2018-01-02 中国人民解放军第四军医大学 A kind of mouth mending material CAD/ metals 3D automatization processing methods
CN106361455A (en) * 2016-10-13 2017-02-01 成都优材科技有限公司 3D printing forming method for metal dental restoration
CN106580496B (en) * 2016-11-18 2018-09-21 中国人民解放军第四军医大学 A kind of same period row fixes-movable combined remediation method
DE102017203475A1 (en) * 2017-03-03 2018-09-06 Sirona Dental Systems Gmbh Method of constructing a restoration
CN107468357A (en) * 2017-09-07 2017-12-15 北京佳美医院管理有限责任公司 A kind of Buccodental digitizes ultra-thin surfacing process
CN108618857B (en) * 2018-02-06 2020-11-27 北京大学口腔医学院 Design and manufacturing method of accurate bionic aesthetic restoration body
CN111981980B (en) * 2020-08-18 2022-03-01 重庆医科大学附属口腔医院 Method and system for testing suitability deviation of dental prosthesis CAD and manufacturing process
CN112972031B (en) * 2021-02-05 2022-06-24 星火万方齿科技术(北京)有限公司 High-precision false tooth and preparation method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101401746A (en) * 2008-10-30 2009-04-08 华中科技大学 Method for quickly producing removalbe partial denture bracket
CN101450010A (en) * 2007-12-06 2009-06-10 北京大学口腔医学院 Digital mouth prosthesis making device
CN102655820A (en) * 2009-12-04 2012-09-05 贺利氏古萨有限公司 Production of individual dental prostheses via CAD/CAM and rapid manufacturing/rapid prototyping from data of the digital impression

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005035475B4 (en) * 2005-07-28 2019-08-08 Institut Straumann Ag Method, computer-readable medium, computer program relating to the production of dental prostheses
RU2581029C2 (en) * 2010-10-01 2016-04-10 Зшейп А/С Method of modelling and manufacturing dentures

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101450010A (en) * 2007-12-06 2009-06-10 北京大学口腔医学院 Digital mouth prosthesis making device
CN101401746A (en) * 2008-10-30 2009-04-08 华中科技大学 Method for quickly producing removalbe partial denture bracket
CN102655820A (en) * 2009-12-04 2012-09-05 贺利氏古萨有限公司 Production of individual dental prostheses via CAD/CAM and rapid manufacturing/rapid prototyping from data of the digital impression

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