CN113814418A - Surface treatment process of titanium or titanium alloy dental implant - Google Patents
Surface treatment process of titanium or titanium alloy dental implant Download PDFInfo
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- CN113814418A CN113814418A CN202110896361.9A CN202110896361A CN113814418A CN 113814418 A CN113814418 A CN 113814418A CN 202110896361 A CN202110896361 A CN 202110896361A CN 113814418 A CN113814418 A CN 113814418A
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- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/66—Treatment of workpieces or articles after build-up by mechanical means
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
- A61C8/0012—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy
- A61C8/0013—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the material or composition, e.g. ceramics, surface layer, metal alloy with a surface layer, coating
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- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/38—Process control to achieve specific product aspects, e.g. surface smoothness, density, porosity or hollow structures
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- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/62—Treatment of workpieces or articles after build-up by chemical means
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- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/68—Cleaning or washing
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- 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
- B33Y40/00—Auxiliary operations or equipment, e.g. for material handling
- B33Y40/20—Post-treatment, e.g. curing, coating or polishing
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- 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
Abstract
The invention relates to the technical field of dental implantation, in particular to a surface treatment process of a titanium or titanium alloy dental implant2SO4The mixed solution can be removed by acid etchingThe oxide layer and the attached impurities on the surface of the titanium or titanium alloy dental implant are treated by NaOH and H2O2The mixed solution is subjected to alkali treatment, a nano-scale and multi-layer stacked spongy or mesh interpenetrating structure is formed on the surface of the titanium or titanium alloy dental implant, the microscopic morphology of the surface of the titanium or titanium alloy dental implant is effectively improved, the hydrophilicity, the bone bonding rate and the bonding strength of the surface of the titanium or titanium alloy dental implant are improved, and the healing time is effectively shortened.
Description
Technical Field
The invention relates to the technical field of dental implantation, in particular to a surface treatment process of a titanium or titanium alloy dental implant.
Background
The dental implant is a tooth missing restoration method which is based on a lower structure implanted into bone tissue to support and retain an upper dental prosthesis. It comprises a lower supporting implant and an upper dental prosthesis. It adopts artificial material (such as metal, ceramic, etc.) to make implant (generally similar to tooth root form), and adopts the operation method to implant into tissue (generally upper and lower jaws) and obtain firm retention support of bone tissue, and utilizes special device and mode to connect and support the dental prosthesis of upper portion.
Clinically, the surface of the implant is generally in a rough porous structure, which can improve the osseointegration rate of the implant and the bone tissue, but the existing implant has the problems of low bonding strength with the bone tissue, long healing time and the like due to uneven porous structure formed on the surface.
Disclosure of Invention
The technical scheme adopted by the invention for solving the technical problems is as follows: a surface treatment process of a titanium or titanium alloy dental implant comprises the following steps:
s100, providing a titanium or titanium alloy dental implant, and forming the titanium or titanium alloy dental implant through 3D printing;
s200, sand blasting is carried out, and sand blasting treatment is carried out on the surface of the titanium or titanium alloy tooth implant;
s300, acid etching treatment, namely immersing the titanium or titanium alloy tooth implant into the mixed solution for 3-5 minutes;
s400, cleaning for the first time, namely sequentially placing the titanium or titanium alloy tooth implant into deionized water, 95% ethanol and deionized water for ultrasonic cleaning respectively, and drying;
s500, performing alkali treatment, namely putting the titanium or titanium alloy tooth implant into the mixed solution for 40-60 minutes;
s600, performing hydrothermal treatment, namely putting the titanium or titanium alloy dental implant into deionized water, and standing for 5-10 minutes, wherein the temperature of the deionized water is 50-70 ℃;
s700, secondary cleaning, namely sequentially placing the titanium or titanium alloy tooth implant into deionized water, 95% ethanol and deionized water for ultrasonic cleaning respectively, and drying.
Further, in step S100, the implant portion of the titanium or titanium alloy dental implant is extended with 2 to 4 implant teeth.
Further, in step S300, the volume ratio of the deionized water to the deionized water is: 1:1 (2-4).
Further, in step S400, the titanium or titanium alloy dental implant is rinsed in deionized water for 5 minutes and ultrasonically cleaned in 95% ethanol for 10 minutes.
Further, the step S500 is performed in a water bath box, and the volume ratio of the deionized water is as follows: 1:1 (2-4).
Further, the temperature of the mixed solution is 80-90 ℃.
Further, in step S700, the titanium or titanium alloy dental implant is rinsed in deionized water for 5 minutes and ultrasonically cleaned in 95% ethanol for 10 minutes.
The invention has the following beneficial effects: the surface treatment process of the invention firstly forms a coarsened surface on the titanium or titanium alloy dental implant through 3D printing treatment, removes particles which are not compact enough or in a semi-molten state and are adhered in the 3D printing through sand blasting treatment, further coarsens the surface of the titanium or titanium alloy dental implant, and adopts HF and H2SO4The mixed solution is subjected to acid etching to remove an oxide layer and attached impurities on the surface of the titanium or titanium alloy dental implant, and NaOH and H are added to the mixed solution2O2The mixed solution is subjected to alkali treatment for 40-60 minutes, so that a nanoscale and multi-layer stacked spongy or mesh interpenetrating structure can be formed on the surface of the titanium or titanium alloy dental implant, the microscopic morphology of the surface of the titanium or titanium alloy dental implant is effectively improved, the hydrophilicity, the bone bonding rate and the bonding strength of the surface of the titanium or titanium alloy dental implant are improved, the healing time is effectively shortened, the titanium or titanium alloy dental implant subjected to alkali treatment is placed in deionized water at 50-70 ℃ for standing for 5-10 minutes, residual alkali liquor can be rapidly dissolved, the surface treatment efficiency is improved, the purpose of rapidly preparing or customizing the dental implant is achieved, and the method has high economic significance in modern society with faster and faster life rhythm.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic flow diagram of a surface treatment process according to an embodiment of the present invention;
FIG. 2 is an SEM picture (x 500 times) of a titanium or titanium alloy dental implant according to an embodiment of the present invention after sand blasting;
FIG. 3 is an SEM picture (x 5000 times) of a titanium or titanium alloy dental implant subjected to sand blasting-acid etching-alkali treatment according to an embodiment of the present invention
Fig. 4 is an SEM picture (x 20000 times) of a titanium or titanium alloy dental implant according to an embodiment of the present invention after sand blasting-acid etching-alkali treatment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
A surface treatment process of a titanium or titanium alloy dental implant, as shown in fig. 1, comprising the steps of:
s100, providing a titanium or titanium alloy dental implant, and forming the titanium or titanium alloy dental implant through 3D printing, wherein the titanium or titanium alloy dental implant with 2-4 implant teeth extending from an implant part is formed by using metal titanium or titanium alloy powder as a raw material in a 3D printing mode, and a roughened surface can be formed on the titanium or titanium alloy dental implant, and the advantage of adopting 3D printing is that customized implant service can be realized according to the actual requirements of patients;
s200, performing sand blasting, namely performing sand blasting on the surface of the titanium or titanium alloy tooth implant, performing sand blasting on the surface of the titanium or titanium alloy tooth implant by adopting 60-mesh titanium dioxide, wherein the spraying distance is 80mm, the spraying time is 10S, the axial inclination angle between a spray gun and the titanium or titanium alloy tooth implant is 45 degrees in the sand blasting process, the spraying is performed at the joint break angle between the implant tooth and the implant part for 3S, particles which are not tightly adhered or in a semi-molten state in 3D printing are effectively removed through the sand blasting, and the surface of the titanium or titanium alloy tooth implant is further coarsened;
s300, acid etching treatment, namely immersing the titanium or titanium alloy dental implant into HF and H2SO4HF, H in the mixture for 5 minutes2SO4The volume ratio of the titanium or titanium alloy tooth implant to the deionized water is 1:1:4, the oxidation layer and the attached impurities on the surface of the titanium or titanium alloy tooth implant can be effectively removed through acid etching treatment, a pit is formed on the roughened surface, and the joint folding angle between the implant teeth and the implant part can be properly brushed during soaking, so that impurity residues are avoided;
s400, carrying out first cleaning, namely sequentially placing the titanium or titanium alloy dental implant into deionized water, 95% ethanol and deionized water for ultrasonic cleaning respectively, and drying, wherein the first deionized water washing time is 5 minutes, so as to ensure that acid etching mixed liquor remained on the surface of the titanium or titanium alloy dental implant is removed, cleaning is carried out for 10 minutes by adopting 95% ethanol ultrasonic waves, organic matters remained on the surface of the titanium or titanium alloy dental implant after acid etching are effectively removed, and the second deionized water washing time is 5 minutes, so as to effectively remove the remaining 95% ethanol;
s500, alkali treatment, namely, placing the titanium or titanium alloy tooth implant into NaOH and H2O2NaOH, H in the mixed solution for 60 minutes2O2The volume ratio of the titanium-based dental implant to the deionized water is 1:1:4, the step can be carried out in a water bath box, the temperature of the mixed solution is maintained at 80 ℃, and a nano-scale sponge-shaped or mesh-shaped interpenetrating structure stacked in multiple layers can be formed on the surface of the titanium-based dental implant on the basis of the pits in the process, so that the microscopic morphology of the surface of the titanium or titanium alloy dental implant is effectively improved;
s600, performing hydrothermal treatment, namely putting the titanium or titanium alloy dental implant into deionized water, standing for 5 minutes, wherein the temperature of the deionized water is 50 ℃, and the step can quickly dissolve NaOH and H remained on the surface of the titanium or titanium alloy dental implant2O2The mixed solution enables the surface of the titanium-based tooth implant to obtain good biocompatibility;
s700, secondary cleaning, namely sequentially placing the titanium or titanium alloy tooth implant into deionized water, 95% ethanol and deionized water for ultrasonic cleaning respectively, and drying, wherein the first deionized water washing time is 5 minutes, the 95% ethanol is adopted for ultrasonic cleaning for 10 minutes, organic matters possibly stained in the operation process are effectively removed, and the second deionized water washing time is 5 minutes.
Example 2
A surface treatment process of a titanium or titanium alloy dental implant, as shown in fig. 1, comprising the steps of:
s100, providing a titanium or titanium alloy dental implant, and forming the titanium or titanium alloy dental implant through 3D printing, wherein the titanium or titanium alloy dental implant with 2-4 implant teeth extending from an implant part is formed by using metal titanium or titanium alloy powder as a raw material in a 3D printing mode, and a roughened surface can be formed on the titanium or titanium alloy dental implant, and the advantage of adopting 3D printing is that customized implant service can be realized according to the actual requirements of patients;
s200, performing sand blasting, namely performing sand blasting on the surface of the titanium or titanium alloy tooth implant, performing sand blasting on the surface of the titanium or titanium alloy tooth implant by using 70-mesh titanium dioxide, wherein the spraying distance is 80mm, the spraying time is 10S, the axial inclination angle between a spray gun and the titanium or titanium alloy tooth implant is 45 degrees in the sand blasting process, the spraying is performed at the joint break angle between the implant tooth and the implant part for 3S, particles which are not tightly adhered or in a semi-molten state in 3D printing are effectively removed through the sand blasting, and the surface of the titanium or titanium alloy tooth implant is further roughened;
s300, acid etching treatment, namely immersing the titanium or titanium alloy dental implant into HF and H2SO4HF, H in the mixture for 4 minutes2SO4The volume ratio of the titanium or titanium alloy tooth implant to the deionized water is 1:1:3, the oxidation layer and the attached impurities on the surface of the titanium or titanium alloy tooth implant can be effectively removed through acid etching treatment, a pit is formed on the roughened surface, and the joint folding angle between the implant teeth and the implant part can be properly brushed during soaking, so that impurity residues are avoided;
s400, carrying out first cleaning, namely sequentially placing the titanium or titanium alloy dental implant into deionized water, 95% ethanol and deionized water for ultrasonic cleaning respectively, and drying, wherein the first deionized water washing time is 5 minutes, so as to ensure that acid etching mixed liquor remained on the surface of the titanium or titanium alloy dental implant is removed, cleaning is carried out for 10 minutes by adopting 95% ethanol ultrasonic waves, organic matters remained on the surface of the titanium or titanium alloy dental implant after acid etching are effectively removed, and the second deionized water washing time is 5 minutes, so as to effectively remove the remaining 95% ethanol;
s500, alkali treatment, namely, placing the titanium or titanium alloy tooth implant into NaOH and H2O2NaOH, H in the mixture for 50 minutes2O2The volume ratio of the titanium-based dental implant to the deionized water is 1:1:3, the step can be carried out in a water bath box, the temperature of the mixed solution is maintained at 85 ℃, and a nano-scale sponge-shaped or mesh-shaped interpenetrating structure stacked in multiple layers can be formed on the surface of the titanium-based dental implant on the basis of the pits in the process, so that the microscopic morphology of the surface of the titanium or titanium alloy dental implant is effectively improved;
s600, performing hydrothermal treatment, namely putting the titanium or titanium alloy dental implant into deionized water, standing for 7 minutes, wherein the temperature of the deionized water is 60 ℃, and the step can quickly dissolve NaOH and H remained on the surface of the titanium or titanium alloy dental implant2O2The mixed solution enables the surface of the titanium-based tooth implant to obtain good biocompatibility;
s700, secondary cleaning, namely sequentially placing the titanium or titanium alloy tooth implant into deionized water, 95% ethanol and deionized water for ultrasonic cleaning respectively, and drying, wherein the first deionized water washing time is 5 minutes, the 95% ethanol is adopted for ultrasonic cleaning for 10 minutes, organic matters possibly stained in the operation process are effectively removed, and the second deionized water washing time is 5 minutes.
Example 3
A surface treatment process of a titanium or titanium alloy dental implant, as shown in fig. 1, comprising the steps of:
s100, providing a titanium or titanium alloy dental implant, and forming the titanium or titanium alloy dental implant through 3D printing, wherein the titanium or titanium alloy dental implant with 2-4 implant teeth extending from an implant part is formed by using metal titanium or titanium alloy powder as a raw material in a 3D printing mode, and a roughened surface can be formed on the titanium or titanium alloy dental implant, and the advantage of adopting 3D printing is that customized implant service can be realized according to the actual requirements of patients;
s200, performing sand blasting, namely performing sand blasting treatment on the surface of the titanium or titanium alloy tooth implant, performing sand blasting treatment on the surface of the titanium or titanium alloy tooth implant by adopting 80-mesh titanium dioxide, wherein the spraying distance is 80mm, the spraying time is 10S, the axial inclination angle between a spray gun and the titanium or titanium alloy tooth implant is 45 degrees in the sand blasting process, the spraying is performed at the joint break angle between the implant tooth and the implant part for 3S, particles which are not tightly adhered or in a semi-molten state in 3D printing are effectively removed through the sand blasting treatment, and the surface of the titanium or titanium alloy tooth implant is further coarsened;
s300, acid etching treatment, namely immersing the titanium or titanium alloy dental implant into HF and H2SO4HF, H in the mixture for 3 minutes2SO4The volume ratio of the titanium or titanium alloy tooth implant to the deionized water is 1:1:2, the oxidation layer and the attached impurities on the surface of the titanium or titanium alloy tooth implant can be effectively removed through acid etching treatment, a pit is formed on the roughened surface, and the joint folding angle between the implant teeth and the implant part can be properly brushed during soaking, so that impurity residues are avoided;
s400, carrying out first cleaning, namely sequentially placing the titanium or titanium alloy dental implant into deionized water, 95% ethanol and deionized water for ultrasonic cleaning respectively, and drying, wherein the first deionized water washing time is 5 minutes, so as to ensure that acid etching mixed liquor remained on the surface of the titanium or titanium alloy dental implant is removed, cleaning is carried out for 10 minutes by adopting 95% ethanol ultrasonic waves, organic matters remained on the surface of the titanium or titanium alloy dental implant after acid etching are effectively removed, and the second deionized water washing time is 5 minutes, so as to effectively remove the remaining 95% ethanol;
s500, alkali treatment, namely, placing the titanium or titanium alloy tooth implant into NaOH and H2O2NaOH, H in the mixture for 40 minutes2O2And deionized water at a volume ratio of 1:1:2, wherein the step can be carried out in a water bath tank, the temperature of the mixed solution is maintained at 90 ℃, and the process can form nano-scale sponge-like or mesh-like interpenetration in a multi-layer stack manner on the surface of the titanium-based tooth implant on the basis of pitsThe structure effectively improves the microscopic morphology of the surface of the titanium or titanium alloy dental implant;
s600, performing hydrothermal treatment, namely putting the titanium or titanium alloy dental implant into deionized water, standing for 10 minutes, wherein the temperature of the deionized water is 70 ℃, and the step can quickly dissolve NaOH and H remained on the surface of the titanium or titanium alloy dental implant2O2The mixed solution enables the surface of the titanium-based tooth implant to obtain good biocompatibility;
s700, secondary cleaning, namely sequentially placing the titanium or titanium alloy tooth implant into deionized water, 95% ethanol and deionized water for ultrasonic cleaning respectively, and drying, wherein the first deionized water washing time is 5 minutes, the 95% ethanol is adopted for ultrasonic cleaning for 10 minutes, organic matters possibly stained in the operation process are effectively removed, and the second deionized water washing time is 5 minutes.
As can be seen from the above examples 1 to 3 and the accompanying drawings 2 to 4, the titanium or titanium alloy dental implant is subjected to 3D printing to form a roughened surface, particles which are not sufficiently compact or semi-molten during 3D printing are removed by sand blasting, the surface of the titanium or titanium alloy dental implant is further roughened, and the oxide layer and the attached impurities on the surface of the titanium or titanium alloy dental implant can be removed by acid etching; after alkali treatment and hydrothermal treatment, a nano-scale and multi-layer stacked spongy or mesh interpenetrating structure is formed on the surface of the titanium or titanium alloy dental implant, the microscopic morphology of the surface of the titanium or titanium alloy dental implant is effectively improved, the hydrophilicity and the bone bonding rate of the surface of the titanium or titanium alloy dental implant are improved, the bonding strength of the titanium or titanium alloy dental implant and bone tissues is improved, and the healing time is effectively shortened.
In addition, the surface treatment process of examples 1 to 3 was carried out by using NaOH and H2O2The mixed solution is kept stand in a water bath at the temperature of 80-90 ℃ for 40-60 minutes, and then a nano-scale spongy or meshed interpenetrating structure stacked in multiple layers can be formed on the surface of the titanium or titanium alloy tooth implant, so that the production efficiency of the tooth implant is greatly improved, the rapid customization service is achieved, and the method has high economic significance in modern society with increasingly rapid life rhythm.
It should be noted that the reagents used in the present invention are all commercially available reagents, and the measurement methods used are mostly conventional methods in the art, and are not described herein again.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. In addition, the technology of the invention can also be applied to bone implantation products such as large orthopedic products, artificial joints, artificial limbs, prosthesis and the like, and is also regarded as the protection scope of the invention.
Claims (7)
1. A surface treatment process of a titanium or titanium alloy dental implant is characterized by comprising the following steps:
s100, providing a titanium or titanium alloy dental implant, and forming the titanium or titanium alloy dental implant through 3D printing;
s200, sand blasting is carried out, and sand blasting treatment is carried out on the surface of the titanium or titanium alloy tooth implant;
s300, acid etching treatment, namely immersing the titanium or titanium alloy dental implant into HF and H2SO4Adding the mixture into the mixed solution for 3-5 minutes;
s400, cleaning for the first time, namely sequentially placing the titanium or titanium alloy tooth implant into deionized water, 95% ethanol and deionized water for ultrasonic cleaning respectively, and drying;
s500, alkali treatment, namely, placing the titanium or titanium alloy tooth implant into NaOH and H2O2Adding the mixture into the mixed solution for 40-60 minutes;
s600, performing hydrothermal treatment, namely putting the titanium or titanium alloy dental implant into deionized water, and standing for 5-10 minutes, wherein the temperature of the deionized water is 50-70 ℃;
s700, secondary cleaning, namely sequentially placing the titanium or titanium alloy tooth implant into deionized water, 95% ethanol and deionized water for ultrasonic cleaning respectively, and drying.
2. The surface treatment process for a titanium or titanium alloy dental implant according to claim 1, wherein the implant portion of the titanium or titanium alloy dental implant is extended with 2 to 4 implant teeth in step S100.
3. The surface treatment process for a titanium or titanium alloy dental implant according to claim 1, wherein in step S300, HF, H2SO4And deionized water in a volume ratio of: 1:1 (2-4).
4. The surface treatment process for a titanium or titanium alloy dental implant according to claim 1, wherein in step S400, the titanium or titanium alloy dental implant is rinsed in deionized water for 5 minutes and ultrasonically cleaned in 95% ethanol for 10 minutes.
5. The surface treatment process for a titanium or titanium alloy dental implant according to claim 1, wherein step S500 is performed in a water bath tank and NaOH, H2O2And deionized water in a volume ratio of: 1:1 (2-4).
6. The surface treatment process for a titanium or titanium alloy dental implant according to claim 1 or 5, wherein NaOH and H2O2The temperature of the mixed solution is 80-90 ℃.
7. The surface treatment process for a titanium or titanium alloy dental implant according to claim 1, wherein in step S700, the titanium or titanium alloy dental implant is rinsed in deionized water for 5 minutes and ultrasonically cleaned in 95% ethanol for 10 minutes.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115814151A (en) * | 2022-12-21 | 2023-03-21 | 北京市春立正达医疗器械股份有限公司 | Preparation method of 3D printing bone implant surface multilevel micron structure |
| CN116590715A (en) * | 2023-07-12 | 2023-08-15 | 德州正瑞健康科技有限公司 | Method and equipment for pickling surface of plant |
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