CN109394368A - A kind of method of the quick renewable titanium alloy plated film tooth of 3D printing - Google Patents

A kind of method of the quick renewable titanium alloy plated film tooth of 3D printing Download PDF

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Publication number
CN109394368A
CN109394368A CN201811537489.0A CN201811537489A CN109394368A CN 109394368 A CN109394368 A CN 109394368A CN 201811537489 A CN201811537489 A CN 201811537489A CN 109394368 A CN109394368 A CN 109394368A
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artificial tooth
tooth
printing
titanium alloy
powder
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CN109394368B (en
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徐淑波
王瀚林
刘建营
孙星
任国成
景财年
衣冠玉
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Shandong Jianzhu University
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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/08—Artificial teeth; Making same
    • A61C13/083—Porcelain or ceramic teeth
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0004—Computer-assisted sizing or machining of dental prostheses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C13/00—Dental prostheses; Making same
    • A61C13/0003—Making bridge-work, inlays, implants or the like
    • A61C13/0006—Production methods
    • A61C13/0019—Production methods using three dimensional printing
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
    • A61K6/818—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising zirconium oxide
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/831—Preparations for artificial teeth, for filling teeth or for capping teeth comprising non-metallic elements or compounds thereof, e.g. carbon
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/831—Preparations for artificial teeth, for filling teeth or for capping teeth comprising non-metallic elements or compounds thereof, e.g. carbon
    • A61K6/838—Phosphorus compounds, e.g. apatite
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
    • A61K6/84—Preparations for artificial teeth, for filling teeth or for capping teeth comprising metals or alloys
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/25—Process efficiency

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  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Plastic & Reconstructive Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dentistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Dental Prosthetics (AREA)

Abstract

The method that the present invention discloses a kind of quick renewable titanium alloy plated film tooth of 3D printing, pass through laser scanning auxiliary construction personalization artificial tooth model, under 3D printing technique, by artificial tooth main body is made after Zirconium dioxide powder and a small amount of graphene and fullerene powder doping, by the artificial tooth pedestal of hole from fine to coarse is made after titanium alloy powder and a small amount of graphene and fullerene powder doping, and coating film treatment is carried out on artificial tooth pedestal, overcome pure metal material unsightly, the too crisp problem long with the recovery period after implantation of pure ceramic material, it makes one to feel that artificial tooth grows together with gum, it is final to obtain high accurancy and precision, high abrasion, high resistance to acid and alkali, the personalized artificial tooth of high mechanical strength and high-biocompatibility.

Description

A kind of method of the quick renewable titanium alloy plated film tooth of 3D printing
Technical field
The present invention relates to tooth preparation field, the side of the quick renewable titanium alloy plated film tooth of especially a kind of 3D printing Method produces personalized artificial tooth, is applied to tooth defect reparation, restores dental functions.
Background technique
3D printing is based on digital model file, with adhesive materials such as powdery metal or plastics, by layer-by-layer The mode of printing constructs the technology of object.
Zirconium dioxide is a kind of outstanding biomaterial, and good biocompatibility is better than various metal alloys, including gold. Zirconium dioxide is non-stimulated to gum, without allergic reaction, is well suited for being applied to oral cavity, avoids the mistake that metal generates in oral cavity The adverse reactions such as quick, stimulation, corrosion, and zirconium dioxide heating conduction is extremely low, light weight, and patient wears more comfortable.
Zirconium dioxide baking-ceramic tooth unique aesthetic, it is good to light pass-through, it is close with dermal tooth, unlike other baking-ceramic tooths pair Light has resistance to penetrate effect.The substrate crown color of zirconia ceramic is cream white, thus neck will not the dimmed pastiness of blackening, solve Metal porcelain crown is most difficult to solve the problems, such as.Zirconium dioxide full porcelain tooth is with high mechanical strength, high rigidity, high-wearing feature, high corrosion resistant The advantages that corrosion, breaches the limitation of traditional baking-ceramic tooth, and corona no longer wants a bit metal to support, completely the production of biology porcelain, separate Various Electromagnetic Interferences, do not stay hidden danger in life.
Titanium is nontoxic, light, intensity is high and has excellent biocompatibility, is ideal medical metal material, can Implantation material as implantation human body, especially beta-titanium alloy have higher strength level, and preferably notch performance and tough Property, it is more suitable as implantation material.And titanium alloy ceramic tooth it be primarily referred to as between precious metal stove enamel tooth and nichrome baking-ceramic tooth Between porcelain tooth material, such porcelain tooth from the strict sense for, guarantee that human body compatibility is good, and such material is to compare It is suitble to the requirement of human health, service life can be well beyond the imagination of people, in theory, only it is noted that correct use Tooth, service life is all lifelong, and the binding force of titanium alloy and ceramics is fine, titanium alloy ceramic toilet article be not easy to collapse porcelain, Durable feature, the good biocompatibility of titanium alloy will not usually cause surrounding tissue to change colour.
The method that tradition prepares artificial tooth at this stage be usually it is hot-forming after high temperature melt, which often refers to manual oral cavity Moulage, and when taking-up pallet, trueness error may be generated out of patient mouthful, it is not close so as to cause the dental prosthesis of production It closes, influences the comfort level of patient and the wearability of artificial tooth, mechanical strength and service life, mutually stung by laser scanning with artificial tooth The shape characteristic of the tooth of conjunction, then go out required surface of denture feature through 3D printing, the occlusion degree of artificial tooth can not only be enhanced, moreover it is possible to add Work goes out to fit closely the artificial tooth of human body gum, improves the wear-resisting of artificial tooth, resistance to acid and alkali and mechanical strength.
Hydroxyapatite is the host inorganic constituent of skeleton tissue, and after implanting, calcium and phosphorus can dissociate out Material surface is systemically absorbed, and grows new tissue, and this material health brilliant white, can remove plaque, It preventing from decaying tooth, fresh breath improves gum problem, while there are some researches prove the crystal grain of hydroxyapatite is thinner, bioactivity is higher, So nano hydroxyapatite material has more evenly than a traditional hydroxyapatite material consistent structure, and traffic each other It is porous, it can preferably degrade in animal body, while guiding cell repair bone lacks again.
Graphene is one of highest material of known strength, while also having good toughness, and the implantation of carboxylic ions can Make the active functional group in grapheme material surface, to increase substantially the cell and biological respinse activity of material.Graphene It is easier to be doped in gauze-like and chemical modification, it is easier to receive functional group.
Fullerene is the third allotrope that simple substance carbon is found.Fullerene is similar with graphite-structure, but graphite There was only hexatomic ring in structure, and there may be five-membered rings in fullerene, make the active functional group in fullerene-based material surface, thus The cell and biological respinse activity of material are increased substantially, fullerene is easy to be doped and chemical modification, to be easier to connect By functional group.
Particular/special requirement in terms of biomaterial must satisfy macrostructure, microstructure and chemical component could have bone to lure The property led, the hole in porous structure interconnected is an important feature, has been capable of providing one and has transported without strong fluid Dynamic protection zone, so that cell be made to have enough spaces to generate new bone, plating hydroxyapatite film on surface along porous channel Porous channel afterwards can show better osteoinductive, and compared to traditional pore structure uniform in size, pedestal is by thin Better osteoinductive is shown to thick pore structure.
Summary of the invention
The object of the present invention is to provide a kind of methods of the quick renewable titanium alloy plated film tooth of 3D printing, in processing Shang gram High energy consumption, long processing time, the untight problem of occlusion for having taken traditional teeth, it is not beautiful to overcome pure metal material in selection Sight and the too crisp problem of pure ceramic material, make one to feel that artificial tooth grows together with gum in effect.
The technical solution of the present invention is as follows: a kind of quick renewable titanium alloy plated film tooth of 3D printing, it includes artificial tooth main body With artificial tooth pedestal.
The artificial tooth main body is to be adulterated Zirconium dioxide powder and a small amount of graphene and fullerene powder by 3D printer Fine and close integrated printing shaping afterwards.Artificial tooth material of main part chemical component and weight percent are as follows: graphene: 0.1% ~ 0.3%, fowler Alkene: 0.1% ~ 0.6%, remaining is zirconium dioxide: 99.1% ~ 99.8%.
The artificial tooth pedestal is will be after titanium alloy powder and a small amount of graphene and fullerene powder doping by 3D printer By carefully to thick ladder porous form one printing shaping.Artificial tooth submount material chemical component and weight percent are as follows: graphite Alkene: 0.1% ~ 0.3%, fullerene: 0.1% ~ 0.6%, magnesium: 0.1% ~ 0.4%, hydroxyapatite: 2% ~ 3%, remaining is titanium: 95.7% ~ 97.7%。
A kind of method of the quick renewable titanium alloy plated film tooth of 3D printing, comprising the following steps:
It first has to repair patient's mouth, to remaining tooth, gingival mucosa, lip and cheek, frenulum, tongue, alveolar bone, jawbone And remporomandibular joint is checked comprehensively.
Secondly, be scanned using the tooth that laser scanning device counterpart is intracavitary with artificial tooth is mutually engaged, it is continuous to improve justice The three-dimensional data information of tooth surface pattern, generates threedimensional model in a computer.
Then the threedimensional model generated in computer is converted to stl file to import in 3D printer control software, is utilized 3D printer will print fine and close artificial tooth main body after Zirconium dioxide powder and a small amount of graphene and fullerene powder doping.
Similarly according to laser scanning device to intraoral scanning result, the tooth pedestal to fit with gum is constantly improve Three-dimensional data information, generate threedimensional model in a computer.
Then the threedimensional model generated in computer is converted to stl file to import in 3D printer control software, is utilized 3D printer adulterates titanium alloy powder and a small amount of graphene and fullerene powder on printed artificial tooth subjective basis Afterwards by carefully printing artificial tooth pedestal to thick ladder-like porous form.
Nanometer hydroxyapatite film is prepared using chemical vapour deposition technique, the nanometer hydroxyapatite for preparing high quality is thin Film has very high and uniform nucleation density at deposition initial stage, takes high power laser processing method to titanium alloy susceptor surface Promote nucleation to enhance surface roughness: first titanium alloy susceptor surface being carried out with the hydroxyapatite micro mist that granularity is 0.5 μm Hand lapping, then 20min is handled with the alcohol suspension ultrasonic grinding that granularity is 40 μm of hydroxylapatite powders is mixed with, finally use nothing Water-ethanol cleaning, is put into CVD reaction chamber after drying.
Reaction chamber is passed through reaction gas (hydrogen and acetone) after vacuumizing, and starts CVD deposition hydroxyl after adjusting chamber pressure Base apatite coating, after 4h is deposited, die hole surface deposits to obtain the conventional hydroxy apatite coating of 8um or so, surface light Cleanliness Ra≤0.05 μm.
After last artificial tooth completes, it is adjusted and polishes.
Compared with prior art, the present invention provides a kind of method of the quick renewable titanium alloy plated film tooth of 3D printing, Have it is following the utility model has the advantages that
1, the new method of the quick renewable titanium alloy plated film tooth of the 3D printing is by laser scanning gum, collection of material artificial tooth Then required three-dimensional data makes artificial tooth using 3D printing technique, can quickly finish the production of artificial tooth, can save big The time of amount, size more standard improve the precision of patient's occlusion, can mitigate the workload of doctor, so as to effective Raising working efficiency, can avoid the symptoms such as bleeding gums and black gum, service life is extremely long.
2, artificial tooth is after being implanted into oral cavity, and the hole in artificial tooth pedestal in porous structure interconnected, which is capable of providing one, not to be had There is the protection zone of strong fluid motion, makes cell there are enough spaces to generate new bone along porous channel, and from carefully to thick Ladder porous structure and hydroxyapatite films can rapid induction new bone formation, rapidly promote artificial tooth and gum, gum Between combination, the time required to greatly shortening rehabilitation, wear patient more comfortable.
Detailed description of the invention
Fig. 1 is combination tooth entirety sectional view, and Fig. 2 is porous microstructure schematic diagram.
In Fig. 1: 1 artificial tooth pedestal pore structure, 2 artificial tooth pedestal coarse textures, 3 artificial tooth main bodys.
Specific embodiment
With reference to embodiment, technical solution of the present invention is described in further detail, but do not constituted pair Any restrictions of the invention.
Embodiment 1
The method of the quick renewable titanium alloy plated film tooth of the 3D printing of the present embodiment, it includes the following steps:
(1) it obtains artificial tooth dimension information: carrying out topography scan with the tooth that artificial tooth is mutually engaged using laser scanning device pair, obtain The three-dimensional data information of surface of denture pattern is then introduced into three dimensions that surface of denture is constantly improve in Computerized three-dimensional software UG It is believed that breath, is then converted to stl file for the threedimensional model generated in computer and imports in 3D printer control software.
(2) 3D printing artificial tooth main body: after choosing Zirconium dioxide powder and a small amount of graphene and fullerene powder doping, through ball Grinding machine is ground to powder granularity less than 100um, is filled with protective gas and is warming up to 900 DEG C, is passed through according to the threedimensional model of importing 3D printer 3D printing artificial tooth main body, is heat-treated using laser, and laser power used is 150W, spot diameter 100um, is swashed The photothermal treatment time is 0.5s.
(3) 3D printing artificial tooth pedestal: after choosing titanium alloy powder and a small amount of graphene and fullerene powder doping, through ball milling Machine is ground to powder granularity and reaches micron level, is filled with protective gas and is warming up to 1700 DEG C, in printed artificial tooth main body base According to the threedimensional model of importing by 3D printer 3D printing artificial tooth pedestal on plinth, artificial tooth pedestal is unlike artificial tooth main body Porous structure, pore diameter are set in 0.5mm, are heat-treated using laser, and laser power used is 150W, spot diameter 100um, laser heat treatment time are 0.5s.
(4) prepare hydroxyapatite films: the hydroxyapatite micro mist for being first 0.5 μm with granularity is to titanium alloy susceptor surface Hand lapping is carried out, then handles 20min with the alcohol suspension ultrasonic grinding that granularity is 40 μm of hydroxylapatite powders is mixed with, finally With washes of absolute alcohol, it is put into after drying in CVD reaction chamber.
(5) deposit hydroxyapatite coating layer: reaction chamber is passed through reaction gas (hydrogen and acetone) after vacuumizing, and adjustment is anti- Start CVD deposition hydroxyapatite coating layer after answering chamber pressure, after 4h is deposited, die hole surface deposits to obtain the normal of 8um or so Advise hydroxyapatite coating layer, surface smoothness Ra≤0.05 μm.
(6) adjustment and polishing: the combination tooth finally obtained is adjusted and is polished is quickly renewable up to 3D printing Titanium alloy plated film tooth.
Embodiment 2
The method of the quick renewable titanium alloy plated film tooth of the 3D printing of the present embodiment, it includes the following steps:
(1) it obtains artificial tooth dimension information: carrying out topography scan with the tooth that artificial tooth is mutually engaged using laser scanning device pair, obtain The three-dimensional data information of surface of denture pattern is then introduced into three dimensions that surface of denture is constantly improve in Computerized three-dimensional software UG It is believed that breath, is then converted to stl file for the threedimensional model generated in computer and imports in 3D printer control software.
(2) 3D printing artificial tooth main body: after choosing Zirconium dioxide powder and a small amount of graphene and fullerene powder doping, through ball Grinding machine is ground to powder granularity less than 100um, is filled with protective gas and is warming up to 1000 DEG C, is passed through according to the threedimensional model of importing 3D printer 3D printing artificial tooth main body, is heat-treated using laser, and laser power used is 200W, spot diameter 150um, is swashed The photothermal treatment time is 0.8s.
(3) 3D printing artificial tooth pedestal: after choosing titanium alloy powder and a small amount of graphene and fullerene powder doping, through ball milling Machine is ground to powder granularity and reaches micron level, is filled with protective gas and is warming up to 1700 DEG C, in printed artificial tooth main body base According to the threedimensional model of importing by 3D printer 3D printing artificial tooth pedestal on plinth, artificial tooth pedestal is unlike artificial tooth main body Porous structure, pore diameter are set in 0.8mm, are heat-treated using laser, and laser power used is 200W, spot diameter 150um, laser heat treatment time are 0.8s.
(4) prepare hydroxyapatite films: the hydroxyapatite micro mist for being first 0.5 μm with granularity is to titanium alloy susceptor surface Hand lapping is carried out, then handles 20min with the alcohol suspension ultrasonic grinding that granularity is 40 μm of hydroxylapatite powders is mixed with, finally With washes of absolute alcohol, it is put into after drying in CVD reaction chamber.
(5) deposit hydroxyapatite coating layer: reaction chamber is passed through reaction gas (hydrogen and acetone) after vacuumizing, and adjustment is anti- Start CVD deposition hydroxyapatite coating layer after answering chamber pressure, after 4h is deposited, die hole surface deposits to obtain the normal of 8um or so Advise hydroxyapatite coating layer, surface smoothness Ra≤0.05 μm.
(6) adjustment and polishing: the combination tooth finally obtained is adjusted and is polished is quickly renewable up to 3D printing Titanium alloy plated film tooth.
Embodiment 3
The method of the quick renewable titanium alloy plated film tooth of the 3D printing of the present embodiment, it includes the following steps:
(1) it obtains artificial tooth dimension information: carrying out topography scan with the tooth that artificial tooth is mutually engaged using laser scanning device pair, obtain The three-dimensional data information of surface of denture pattern is then introduced into three dimensions that surface of denture is constantly improve in Computerized three-dimensional software UG It is believed that breath, is then converted to stl file for the threedimensional model generated in computer and imports in 3D printer control software.
(2) 3D printing artificial tooth main body: after choosing Zirconium dioxide powder and a small amount of graphene and fullerene powder doping, through ball Grinding machine is ground to powder granularity less than 100um, is filled with protective gas and is warming up to 1100 DEG C, is passed through according to the threedimensional model of importing 3D printer 3D printing artificial tooth main body, is heat-treated using laser, and laser power used is 250W, spot diameter 200um, is swashed The photothermal treatment time is 1s.
(3) 3D printing artificial tooth pedestal: after choosing titanium alloy powder and a small amount of graphene and fullerene powder doping, through ball milling Machine is ground to powder granularity and reaches micron level, is filled with protective gas and is warming up to 1700 DEG C, in printed artificial tooth main body base According to the threedimensional model of importing by 3D printer 3D printing artificial tooth pedestal on plinth, artificial tooth pedestal is unlike artificial tooth main body Porous structure, pore diameter are set in 1.2mm, are heat-treated using laser, and laser power used is 250W, spot diameter 200um, laser heat treatment time are 1s.
(4) prepare hydroxyapatite films: the hydroxyapatite micro mist for being first 0.5 μm with granularity is to titanium alloy susceptor surface Hand lapping is carried out, then handles 20min with the alcohol suspension ultrasonic grinding that granularity is 40 μm of hydroxylapatite powders is mixed with, finally With washes of absolute alcohol, it is put into after drying in CVD reaction chamber.
(5) deposit hydroxyapatite coating layer: reaction chamber is passed through reaction gas (hydrogen and acetone) after vacuumizing, and adjustment is anti- Start CVD deposition hydroxyapatite coating layer after answering chamber pressure, after 4h is deposited, die hole surface deposits to obtain the normal of 8um or so Advise hydroxyapatite coating layer, surface smoothness Ra≤0.05 μm.
(6).Adjustment and polishing: the combination tooth finally obtained is adjusted and is polished is quickly renewable up to 3D printing Titanium alloy plated film tooth.
Above-described is only presently preferred embodiments of the present invention, all made within the scope of the spirit and principles in the present invention What modifications, equivalent substitutions and improvements etc., should all be included in the protection scope of the present invention.

Claims (1)

1. a kind of method of the quick renewable titanium alloy plated film tooth of 3D printing, technique are characterized in that a kind of 3D printing hole Plated film from fine to coarse combines tooth, it includes artificial tooth main body and artificial tooth pedestal；It includes the following steps: that (1) obtains artificial tooth ruler Very little information: topography scan is carried out with the tooth that artificial tooth is mutually engaged using laser scanning device pair, obtains the three of surface of denture pattern Dimension data information is then introduced into the three-dimensional data information that surface of denture is constantly improve in Computerized three-dimensional software UG, then will meter The threedimensional model generated in calculation machine is converted to stl file and imports in 3D printer control software；(2) 3D printing artificial tooth main body: justice Tooth material of main part chemical component and weight percent are as follows: graphene: 0.1%~0.3%, fullerene: 0.1%~0.6%, remaining is two Zirconium oxide: 99.1%~99.8%；After choosing Zirconium dioxide powder and a small amount of graphene and fullerene powder doping, ground through ball mill Powder granularity is milled to less than 100um, be filled with protective gas and is warming up to 900~1200 DEG C, is passed through according to the threedimensional model of importing 3D printer 3D printing artificial tooth main body, is heat-treated using laser, and laser power used is 150~250W, spot diameter 100 ~200um, laser heat treatment time are 0.5~1s；(3) 3D printing artificial tooth pedestal: artificial tooth submount material chemical component and weight Percentage are as follows: graphene: 0.1%~0.3%, fullerene: 0.1%~0.6%, magnesium: 0.1%~0.4%, hydroxyapatite: 2%~3%, Remaining is titanium: 95.7%~97.7%；After choosing titanium alloy powder and a small amount of graphene and fullerene powder doping, ground through ball mill It is milled to powder granularity and reaches micron level, be filled with protective gas and be warming up to 1700~1750 DEG C, in printed artificial tooth main body On the basis of according to the threedimensional model of importing by 3D printer 3D printing artificial tooth pedestal, the artificial tooth pedestal unlike artificial tooth main body For porous structure, pore diameter is set in 0.3~1.5mm, is heat-treated using laser, laser power used be 150~ 250W, 100~200um of spot diameter, laser heat treatment time are 0.5~1s；(4) hydroxyapatite films are prepared: first using grain The hydroxyapatite micro mist that degree is 0.5 μm is 40 μm of hydroxyls to the progress hand lapping of titanium alloy susceptor surface, then with granularity is mixed with The alcohol suspension ultrasonic grinding of floats handles 20min, finally uses washes of absolute alcohol, CVD reaction chamber is put into after drying In；(5) deposit hydroxyapatite coating layer: reaction chamber is passed through reaction gas (hydrogen and acetone) after vacuumizing, adjustment reaction chamber pressure Start CVD deposition hydroxyapatite coating layer after power, after 4h is deposited, die hole surface deposits to obtain the conventional hydroxy of 8um or so Apatite coating, surface smoothness Ra≤0.05 μm；(6) adjustment and polishing: the combination tooth finally obtained is adjusted and Polish the quickly renewable titanium alloy plated film tooth of 3D printing to obtain the final product.
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