CN109394366A - A kind of method of the porous reproducible combination tooth of 3D printing - Google Patents
A kind of method of the porous reproducible combination tooth of 3D printing Download PDFInfo
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- CN109394366A CN109394366A CN201811591648.5A CN201811591648A CN109394366A CN 109394366 A CN109394366 A CN 109394366A CN 201811591648 A CN201811591648 A CN 201811591648A CN 109394366 A CN109394366 A CN 109394366A
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- artificial tooth
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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
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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
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0004—Computer-assisted sizing or machining of dental prostheses
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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
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0006—Production methods
- A61C13/0019—Production methods using three dimensional printing
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- General Health & Medical Sciences (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
Abstract
The invention discloses a kind of methods of the porous reproducible combination tooth of 3D printing, pass through laser scanning auxiliary construction personalization artificial tooth model, under 3D printing technique, artificial tooth main body is made by Zirconium dioxide powder, porous artificial tooth pedestal is made by nanometer hydroxyapatite powder, overcome pure metal material unsightly, Electromagnetic Interference and the too crisp problem of pure ceramic material, it makes one to feel that artificial tooth grows together with gum, finally obtains the personalized artificial tooth of high accurancy and precision, high abrasion, high resistance to acid and alkali, high mechanical strength and high-biocompatibility.
Description
Technical field
The present invention relates to tooth preparation field, the method for especially a kind of porous reproducible combination tooth of 3D printing, system
Personalized artificial tooth is produced, tooth defect reparation is applied to.
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.
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.
By the shape characteristic for the tooth that laser scanning and artificial tooth are mutually engaged, then surface of denture needed for going out through 3D printing is special
Sign, can not only enhance the occlusion degree of artificial tooth, moreover it is possible to process the artificial tooth for fitting closely human body gum, improve the wear-resisting, resistance to of artificial tooth
Acid-base property and mechanical strength.
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.
Summary of the invention
The object of the present invention is to provide a kind of methods of the porous reproducible combination tooth of 3D printing, overcome in processing
The high energy consumption of traditional teeth, long processing time, the untight problem of occlusion, overcome in selection pure metal material unsightly,
Electromagnetic Interference 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 porous reproducible combination tooth of 3D printing, it includes artificial tooth main body and justice
Bottom of the tooth seat.
The artificial tooth main body is by 3D printer by the integrated printing shaping of Zirconium dioxide powder densification.
The artificial tooth pedestal is by nanometer hydroxyapatite powder by 3D printer with porous form one printing shaping.
A kind of method of the porous reproducible combination 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, being scanned using the tooth that laser scanning device counterpart is intracavitary with artificial tooth is mutually engaged, artificial tooth table is constantly improved
The three-dimensional data information of face 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 beaten using 3D
Zirconium dioxide powder is printed fine and close artificial tooth main body by print machine；
Similarly according to laser scanning device to intraoral scanning result, the three of the tooth pedestal to fit with gum are constantly improve
Dimension data information, 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 beaten using 3D
Nanometer hydroxyapatite powder is printed artificial tooth pedestal on printed artificial tooth subjective basis with porous form by print machine；
After last artificial tooth completes, it is adjusted and polishes.
Compared with prior art, the present invention provides a kind of method of the porous reproducible combination tooth of 3D printing, have
Below the utility model has the advantages that
1, the new method of the porous reproducible combination tooth of the 3D printing is to acquire artificial tooth three-dimensional data by laser scanning, then
Artificial tooth is made using 3D printing technique, the production of artificial tooth can be quickly finished, a large amount of time can be saved, size more mark-on
Standard improves the precision of patient's occlusion, can mitigate the workload of doctor, so as to effectively improve working efficiency, can keep away
Exempt from the symptoms such as bleeding gums and black gum, service life is extremely long, and corona no longer wants a bit metal to support, completely biology porcelain
Production does not stay hidden danger far from various Electromagnetic Interferences in life.
2, artificial tooth is after being implanted into oral cavity, calcium and phosphorus in the hydroxyapatite of artificial tooth pedestal can dissociate out material surface by body
Body tissue absorbs, and grows new tissue, while nano hydroxyapatite material has more than traditional hydroxyapatite material
Uniform structure, and traffic each other are porous, can preferably degrade in animal body, and guidance cell repair bone lacks
It loses, and porous structure is also conducive to the combination between artificial tooth and gum, wears patient more comfortable.
Detailed description of the invention
Fig. 1 is combination tooth entirety sectional view.
In figure: 1 artificial tooth pedestal, 2 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 porous reproducible combination 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 for taking surface of denture pattern is then introduced into the three-dimensional that surface of denture is constantly improve in Computerized three-dimensional software UG
Then the threedimensional model generated in computer is converted to stl file and imported in 3D printer control software by data information.
(2) 3D printing artificial tooth main body: choosing zirconium dioxide material, is less than 100um through ball mill grinding to powder granularity,
It is filled with protective gas and is warming up to 900 DEG C, according to the threedimensional model of importing by 3D printer 3D printing artificial tooth main body, using sharp
Light is heat-treated, and laser power used is 150W, and spot diameter 100um, the laser heat treatment time is 0.5s.
(3) 3D printing artificial tooth pedestal: hydroxyapatite material is chosen, reaches nanometer through ball mill grinding to powder granularity
Rank is filled with protective gas and is warming up to 700 DEG C, passed through on printed artificial tooth subjective basis according to the threedimensional model of importing
3D printer 3D printing artificial tooth pedestal, artificial tooth pedestal is porous structure unlike artificial tooth main body, and pore diameter is set in
0.5mm is heat-treated using laser, and laser power used is 150W, spot diameter 100um, and the laser heat treatment time is
0.5s。
(4) adjustment and polishing: the combination tooth finally obtained is adjusted and is polished is porous renewable up to 3D printing
Combination tooth.
Embodiment 2
The method of the porous reproducible combination 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 for taking surface of denture pattern is then introduced into the three-dimensional that surface of denture is constantly improve in Computerized three-dimensional software UG
Then the threedimensional model generated in computer is converted to stl file and imported in 3D printer control software by data information.
(2) 3D printing artificial tooth main body: choosing zirconium dioxide material, is less than 100um through ball mill grinding to powder granularity, fills
Enter protective gas and be warming up to 1000 DEG C, according to the threedimensional model of importing by 3D printer 3D printing artificial tooth main body, using sharp
Light is heat-treated, and laser power used is 200W, and spot diameter 150um, the laser heat treatment time is 0.8s.
(3) 3D printing artificial tooth pedestal: hydroxyapatite material is chosen, reaches nanometer through ball mill grinding to powder granularity
Rank is filled with protective gas and is warming up to 800 DEG C, passed through on printed artificial tooth subjective basis according to the threedimensional model of importing
3D printer 3D printing artificial tooth pedestal, artificial tooth pedestal is porous structure unlike artificial tooth main body, and pore diameter is set in
0.8mm is heat-treated using laser, and laser power used is 200W, spot diameter 150um, and the laser heat treatment time is
0.8s。
(4) adjustment and polishing: the combination tooth finally obtained is adjusted and is polished is porous renewable up to 3D printing
Combination tooth.
Embodiment 3
The method of the porous reproducible combination 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 for taking surface of denture pattern is then introduced into the three-dimensional that surface of denture is constantly improve in Computerized three-dimensional software UG
Then the threedimensional model generated in computer is converted to stl file and imported in 3D printer control software by data information.
(2) 3D printing artificial tooth main body: choosing zirconium dioxide material, is less than 100um through ball mill grinding to powder granularity,
It is filled with protective gas and is warming up to 1100 DEG C, 3D printer 3D printing artificial tooth main body, use are passed through according to the threedimensional model of importing
Laser is heat-treated, and laser power used is 250W, and spot diameter 200um, the laser heat treatment time is 1s.
(3) 3D printing artificial tooth pedestal: hydroxyapatite material is chosen, reaches nanometer through ball mill grinding to powder granularity
Rank is filled with protective gas and is warming up to 900 DEG C, passed through on printed artificial tooth subjective basis according to the threedimensional model of importing
3D printer 3D printing artificial tooth pedestal, artificial tooth pedestal is porous structure unlike artificial tooth main body, and pore diameter is set in
1.2mm is heat-treated using laser, and laser power used is 250W, and spot diameter 200um, the laser heat treatment time is 1s.
(4) adjustment and polishing: the combination tooth finally obtained is adjusted and is polished is porous renewable up to 3D printing
Combination 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 porous reproducible combination tooth of 3D printing, technique is characterized in that a kind of 3D printing is porous can be again
Raw combination tooth, it includes artificial tooth main body and artificial tooth pedestal；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: choosing zirconium dioxide material, is less than 100um through ball mill grinding to powder granularity, is filled with guarantor
Shield gas is simultaneously warming up to 900~1200 DEG C, according to the threedimensional model of importing by 3D printer 3D printing artificial tooth main body, using sharp
Light is heat-treated, laser power used be 150~250W, 100~200um of spot diameter, the laser heat treatment time be 0.5~
1s；
(3) 3D printing artificial tooth pedestal: choosing hydroxyapatite material, reach Nano grade through ball mill grinding to powder granularity,
It is filled with protective gas and is warming up to 700~900 DEG C, passed through on the basis of printed artificial tooth main body according to the threedimensional model of importing
3D printer 3D printing artificial tooth pedestal, artificial tooth pedestal is porous structure unlike artificial tooth main body, and pore diameter is set in 0.3
~1.5mm, is heat-treated using laser, and laser power used is 150~250W, 100~200um of spot diameter, laser heat
The processing time is 0.5~1s；
(4) adjustment and polishing: the combination tooth finally obtained is adjusted and is polished up to porous reproducible group of 3D printing
Close tooth.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811591648.5A CN109394366A (en) | 2018-12-25 | 2018-12-25 | A kind of method of the porous reproducible combination tooth of 3D printing |
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| CN201811591648.5A CN109394366A (en) | 2018-12-25 | 2018-12-25 | A kind of method of the porous reproducible combination tooth of 3D printing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111113163A (en) * | 2020-01-13 | 2020-05-08 | 南京医科大学附属口腔医院 | Model and method for 3D printing dental pulp |
| CN115300147A (en) * | 2022-08-24 | 2022-11-08 | 四川大学 | Construction method of 3D printed personalized biological tooth root support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111113163A (en) * | 2020-01-13 | 2020-05-08 | 南京医科大学附属口腔医院 | Model and method for 3D printing dental pulp |
| CN115300147A (en) * | 2022-08-24 | 2022-11-08 | 四川大学 | Construction method of 3D printed personalized biological tooth root support |
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Application publication date: 20190301 |