CN110946665A - Technology for repairing false tooth by 3D printing of titanium-based composite material - Google Patents
Technology for repairing false tooth by 3D printing of titanium-based composite material Download PDFInfo
- Publication number
- CN110946665A CN110946665A CN201911169136.4A CN201911169136A CN110946665A CN 110946665 A CN110946665 A CN 110946665A CN 201911169136 A CN201911169136 A CN 201911169136A CN 110946665 A CN110946665 A CN 110946665A
- Authority
- CN
- China
- Prior art keywords
- printing
- denture
- titanium
- repairing
- denture prosthesis
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000010146 3D printing Methods 0.000 title claims abstract description 24
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims abstract description 16
- 229910052719 titanium Inorganic materials 0.000 title claims abstract description 16
- 239000010936 titanium Substances 0.000 title claims abstract description 16
- 239000002131 composite material Substances 0.000 title claims abstract description 12
- 238000005516 engineering process Methods 0.000 title description 3
- 238000000034 method Methods 0.000 claims abstract description 14
- 229910001069 Ti alloy Inorganic materials 0.000 claims abstract description 10
- 229910052573 porcelain Inorganic materials 0.000 claims abstract description 8
- 239000000843 powder Substances 0.000 claims description 17
- 238000007639 printing Methods 0.000 claims description 14
- 239000011812 mixed powder Substances 0.000 claims description 11
- 239000011858 nanopowder Substances 0.000 claims description 8
- 239000002245 particle Substances 0.000 claims description 8
- 229910001093 Zr alloy Inorganic materials 0.000 claims description 7
- 239000000395 magnesium oxide Substances 0.000 claims description 7
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 7
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 7
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 7
- PMTRSEDNJGMXLN-UHFFFAOYSA-N titanium zirconium Chemical group [Ti].[Zr] PMTRSEDNJGMXLN-UHFFFAOYSA-N 0.000 claims description 7
- 239000011505 plaster Substances 0.000 claims description 6
- 238000005488 sandblasting Methods 0.000 claims description 6
- 238000011049 filling Methods 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 4
- 238000004381 surface treatment Methods 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000004040 coloring Methods 0.000 claims description 3
- 229910052588 hydroxylapatite Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 210000000214 mouth Anatomy 0.000 claims description 3
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 claims description 3
- 238000005554 pickling Methods 0.000 claims description 3
- 238000005245 sintering Methods 0.000 claims description 3
- 238000007581 slurry coating method Methods 0.000 claims description 3
- 238000005507 spraying Methods 0.000 claims description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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
- 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
- A61C13/08—Artificial teeth; Making same
- A61C13/083—Porcelain or ceramic teeth
-
- B22F1/0003—
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Ceramic Engineering (AREA)
- Dental Prosthetics (AREA)
Abstract
The invention provides a process for repairing a denture by using a 3D printing titanium-based composite material, which combines 3D printing with the existing digitization process and adopts a new titanium alloy formula so as to solve the problems of high porcelain collapse rate and poor bonding with human dental tissue of the existing fixed denture prosthesis.
Description
Technical Field
The invention relates to the field of denture repairing methods, in particular to a process for repairing dentures by using 3D printing titanium-based composite materials.
Background
The existing denture prosthesis is mainly fixed and repaired by adopting digital process titanium metal, and mainly comprises the following steps: model finishing, scanning design, CAD/CAM cutting metal CRM printing, surface treatment, porcelain turning and shaping, glazing and dyeing and other process flows, but the existing fixed denture prosthesis has high porcelain collapse rate and poor binding property with human dental tissues.
Disclosure of Invention
The invention aims to provide a process for repairing a denture by using a 3D printing titanium-based composite material, which combines the 3D printing with the existing digital process and adopts a new titanium alloy formula so as to solve the problems of high porcelain collapse rate and poor bonding property with human dental tissue of the existing fixed denture prosthesis.
The technical scheme adopted by the invention for solving the technical problems is as follows: a process for repairing false teeth by using 3D printing titanium-based composite materials comprises the following steps:
(1) preparing a plaster working model with the same shape and structure as the internal tooth shape of the patient oral cavity;
(2) comparing the denture prosthesis model through the plaster working model, and repairing the denture prosthesis model by using a mold repairing machine;
(3) carrying out three-dimensional scanning on the denture prosthesis model by using a scanner, carrying out surface design on the denture prosthesis model, and automatically generating an optimized three-dimensional model;
(4) the three-dimensional model is led into 3D printing equipment, 3D printing raw materials are placed into a material bin of the printing equipment for printing, 3D printing is carried out to generate a denture restoration, the denture restoration is formed by printing mixed powder of titanium alloy powder and nano powder through a 3D printer, the titanium alloy powder is titanium-zirconium alloy powder, and the nano powder is mixed powder of magnesium oxide and aluminum oxide;
(5) performing surface treatment on the denture prosthesis:
a. carrying out sand blasting treatment on the surface of the denture prosthesis for 30-35 s;
b. pickling the surface of the denture prosthesis after sand blasting for 10 min;
c. finally, carrying out surface spraying treatment on the denture prosthesis after acid cleaning, wherein the denture prosthesis comprises a titanium slurry coating and a hydroxyapatite coating;
d. sintering again after coloring the porcelain, raising the temperature to 600-.
In the technical scheme, the denture prosthesis generated by 3D printing in the step (4) is piled and printed layer by layer from bottom to top, and the gradually-changed filling rate of each layer of 10-20% is used during the piled printing, namely the density from bottom to top is gradually increased.
In the above technical scheme, the particle size of the titanium-zirconium alloy powder in the step (4) is 60-70nm, and the particle size of the nano powder is 60-80 nm.
In the above technical scheme, the mass ratio of the mixed powder of magnesium oxide and aluminum oxide is as follows: 1:9.
The invention has the beneficial effects that: the prosthetic denture is formed by adopting a 3D printing additive manufacturing technology, and has the advantages of short denture preparation period, good comfort and the like. Meanwhile, the mixed powder of titanium alloy powder and nanometer powder is used as the raw material of the false tooth, the defects of lower hardness and poor wear resistance of pure titanium alloy are overcome, the obtained false tooth of the titanium-based composite material has the advantages of good biocompatibility, no toxicity or harm to human bodies, good wear resistance and the like, is suitable for patients to stably use for a long time, and the false body is well combined with the tooth body through treatment and has low porcelain tightening efficiency.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a process for repairing false teeth by using 3D printing titanium-based composite materials, which comprises the following steps:
(1) preparing a plaster working model with the same shape and structure as the internal tooth shape of the patient oral cavity;
(2) comparing the denture prosthesis model through the plaster working model, and repairing the denture prosthesis model by using a mold repairing machine;
(3) carrying out three-dimensional scanning on the denture prosthesis model by using a scanner, carrying out surface design on the denture prosthesis model, and automatically generating an optimized three-dimensional model;
(4) the three-dimensional model is led into 3D printing equipment, 3D printing raw materials are placed into a material bin of the printing equipment for printing, 3D printing is carried out to generate a denture restoration, the denture restoration is formed by printing mixed powder of titanium alloy powder and nano powder through a 3D printer, the titanium alloy powder is titanium-zirconium alloy powder, and the nano powder is mixed powder of magnesium oxide and aluminum oxide;
(5) performing surface treatment on the denture prosthesis:
a. carrying out sand blasting treatment on the surface of the denture prosthesis for 30-35 s;
b. pickling the surface of the denture prosthesis after sand blasting for 10 min;
c. finally, carrying out surface spraying treatment on the denture prosthesis after acid cleaning, wherein the denture prosthesis comprises a titanium slurry coating and a hydroxyapatite coating;
d. sintering again after coloring the porcelain, raising the temperature to 600-.
Example 1
The denture prosthesis generated by 3D printing in the step (4) is printed by stacking layer by layer from bottom to top, and the gradually-changed filling rate of 10% of each layer is used during stacking printing, namely the density from bottom to top is gradually increased.
The particle size of the titanium-zirconium alloy powder in the step (4) is 60-70nm, and the particle size of the nanometer powder is 60-80 nm.
The mass ratio of the mixed powder of the magnesium oxide and the aluminum oxide is as follows: 1:9.
Example 2
The denture prosthesis generated by 3D printing in the step (4) is printed by stacking layer by layer from bottom to top, and the gradual change filling rate of 20% of each layer is used during stacking printing, namely the density from bottom to top is gradually increased.
The particle size of the titanium-zirconium alloy powder in the step (4) is 60-70nm, and the particle size of the nanometer powder is 60-80 nm.
The mass ratio of the mixed powder of the magnesium oxide and the aluminum oxide is as follows: 1:9.
Biocompatibility and corrosion resistance test of the invention (corrosion resistance: soaking in 10g/L sodium chloride + 5g/L sodium bicarbonate aqueous solution, pH = 6.7)
Antibacterial property test of the present invention
Claims (4)
1. A process for repairing false teeth by using 3D printing titanium-based composite materials is characterized by comprising the following steps:
(1) preparing a plaster working model with the same shape and structure as the internal tooth shape of the patient oral cavity;
(2) comparing the denture prosthesis model through the plaster working model, and repairing the denture prosthesis model by using a mold repairing machine;
(3) carrying out three-dimensional scanning on the denture prosthesis model by using a scanner, carrying out surface design on the denture prosthesis model, and automatically generating an optimized three-dimensional model;
(4) the three-dimensional model is led into 3D printing equipment, 3D printing raw materials are placed into a material bin of the printing equipment for printing, 3D printing is carried out to generate a denture restoration, the denture restoration is formed by printing mixed powder of titanium alloy powder and nano powder through a 3D printer, the titanium alloy powder is titanium-zirconium alloy powder, and the nano powder is mixed powder of magnesium oxide and aluminum oxide;
(5) performing surface treatment on the denture prosthesis:
a. carrying out sand blasting treatment on the surface of the denture prosthesis for 30-35 s;
b. pickling the surface of the denture prosthesis after sand blasting for 10 min;
c. finally, carrying out surface spraying treatment on the denture prosthesis after acid cleaning, wherein the denture prosthesis comprises a titanium slurry coating and a hydroxyapatite coating;
d. sintering again after coloring the porcelain, raising the temperature to 600-.
2. The process for repairing a denture by using a 3D printed titanium-based composite material according to claim 1, wherein the denture prosthesis generated by 3D printing in the step (4) is printed in a stacking manner from bottom to top, and a gradual filling rate of 10% -20% of each layer is used in the stacking printing, namely the density from bottom to top is gradually increased.
3. The process for repairing a denture by using a 3D printed titanium-based composite material as claimed in claim 1, wherein the titanium-zirconium alloy powder in the step (4) has a particle size of 60-70nm, and the nano powder has a particle size of 60-80 nm.
4. The process for repairing false teeth by using 3D printed titanium-based composite material as claimed in claim 1, wherein the mass ratio of the mixed powder of magnesium oxide and aluminum oxide is as follows: 1:9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911169136.4A CN110946665A (en) | 2019-11-26 | 2019-11-26 | Technology for repairing false tooth by 3D printing of titanium-based composite material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911169136.4A CN110946665A (en) | 2019-11-26 | 2019-11-26 | Technology for repairing false tooth by 3D printing of titanium-based composite material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110946665A true CN110946665A (en) | 2020-04-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911169136.4A Pending CN110946665A (en) | 2019-11-26 | 2019-11-26 | Technology for repairing false tooth by 3D printing of titanium-based composite material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110946665A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111973300A (en) * | 2020-08-27 | 2020-11-24 | 浙江玛立义齿有限公司 | 3D printing false tooth production process |
| CN112914768A (en) * | 2021-03-04 | 2021-06-08 | 东莞市爱嘉义齿有限公司 | Implant upper denture casting process |
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- 2019-11-26 CN CN201911169136.4A patent/CN110946665A/en active Pending
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| CN112914768A (en) * | 2021-03-04 | 2021-06-08 | 东莞市爱嘉义齿有限公司 | Implant upper denture casting process |
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Application publication date: 20200403 |
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