CN112022727A - Light-cured ceramic material for oral dental restoration and application thereof - Google Patents
Light-cured ceramic material for oral dental restoration and application thereof Download PDFInfo
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- 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
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- A61K6/74—Fillers comprising phosphorus-containing compounds
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- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
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Abstract
The invention belongs to the technical field of dental restoration materials, and particularly relates to an oral dental restoration photocuring ceramic material and an application thereof, wherein the photocuring ceramic material is prepared from the following raw materials in parts by weight: 150-180 parts of nano ceramic powder, 50-70 parts of porous hydroxyapatite/graphene oxide composite material, 25-45 parts of main monomer, 15-35 parts of diluent monomer, 1.5-3 parts of photoinitiator, 40-50 parts of filler, 0.8-1.5 parts of stabilizer and 1-2 parts of pigment. According to the invention, through the addition of the porous hydroxyapatite/graphene oxide composite material, the elastic modulus and hardness of the repaired photocuring ceramic material are greatly improved, and the ceramic material has good antibacterial and bacteriostatic properties.
Description
Technical Field
The invention relates to the technical field of dental restoration materials, in particular to an oral dental restoration photocuring ceramic material and application thereof.
Background
The treatment of dental caries is called caries filling operation, commonly called tooth filling. The purpose of cavity treatment is to stop the development of caries and restore the appearance of teeth, such as reconstruction of cusps and abutments; the function of restoring teeth is achieved; while protecting the pulp tissue. Caries at the neck of the tooth is not timely treated, and the caries is allowed to develop below the gingival margin to form a brownish black caries cavity, and the edge of the caries cavity is irregular and sharp, so that the caries cavity can often stimulate the gum to cause ulcer and bleeding. Caries is one of the local causes of gum bleeding. According to different conditions of caries, caries tissue grinding method, pharmacotherapy, remineralization method, filling method and repairing method, etc. are adopted respectively, and the caries defect is repaired by filling method which is commonly used clinically. Carious tissue filling; is the most common method for treating carious tissue. Is suitable for manufacturing teeth with retention hole shapes after dental caries. The filling material is fixed on the teeth by the filling cavity type, and the defects and functions of the teeth are recovered, so that the appearance of the teeth is maintained, and the completeness of dentition is maintained.
Restoration materials for restoration of various tooth defects and dental caries are mainly classified into three types: alloy material, porcelain material and composite resin. The light-cured composite resin is one of the filling materials and the repairing materials which are commonly used in the oral cavity department at present, has beautiful appearance, is convenient to operate clinically, and has wider and wider application in the oral cavity field. In recent years, the development and application of ceramic repairing materials greatly improve the properties of the oral ceramic, and the oral ceramic has excellent performance in many aspects, but the existing ceramic materials still lack antibacterial and bacteriostatic performance, are not outstanding in terms of convenient performance of flexural strength, bonding shear strength, microhardness and wear resistance, have short service life, and cannot meet the requirement of dental repairing.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an oral dental restoration photocuring ceramic material and application thereof, and solves the problems that the existing ceramic material still lacks antibacterial and bacteriostatic properties, is not outstanding in terms of convenient performance of flexural strength, bonding shear strength, microhardness and wear resistance, is short in service life and cannot meet the requirements of dental restoration.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the light-cured ceramic material for the oral dental restoration comprises the following raw materials in parts by weight: 150-180 parts of nano ceramic powder, 50-70 parts of porous hydroxyapatite/graphene oxide composite material, 25-45 parts of main monomer, 15-35 parts of diluent monomer, 1.5-3 parts of photoinitiator, 40-50 parts of filler, 0.8-1.5 parts of stabilizer and 1-2 parts of pigment; the filler is prepared from the following raw materials in parts by weight: 0.05-0.12 part of modified calcium phosphate and 0.05-0.1 part of modified nano-diamond.
As a preferable technical scheme, the volume ratio of the porous hydroxyapatite to the graphene oxide in the porous hydroxyapatite/graphene oxide composite material is 3: 1-2.
As a preferred technical scheme of the present invention, the porous hydroxyapatite/graphene oxide composite material is prepared by the following steps:
the method comprises the following steps: adding nano hydroxyapatite into ammonia water by adopting an ammonia water diffusion method and using citric acid as a regulating agent, and performing ultrasonic oscillation to obtain porous hydroxyapatite microsphere particles;
step two: adding porous hydroxyapatite microsphere particles into a graphene oxide aqueous solution with the concentration of 0.5-1.0 mg/mL, carrying out hydrothermal reaction in a high-pressure reaction kettle at the temperature of 70-140 ℃ for 10-20 h, cooling, washing until the pH value of a supernatant is neutral, filtering, and freeze-drying to obtain the porous hydroxyapatite/graphene oxide composite material.
In a preferred embodiment of the present invention, the photoinitiator is camphorquinone or 1-phenyl-1, 2-propanedione.
As a preferred technical scheme of the invention, the filler is prepared by the following steps:
step one, preparing modified calcium phosphate: adding calcium phosphate into a silver-containing organosilane aqueous solution to obtain a mixed solution, adding nano zirconium oxide into the mixed solution, carrying out ultrasonic treatment for 15-20 min to obtain a solution A, and sequentially filtering, washing and drying the solution A to obtain modified calcium phosphate subjected to silanization and zirconization;
step two, preparing modified nano-diamond: adding nano-diamond into deionized water, adding metal powder into a nano-diamond solution, carrying out ultrasonic treatment for 15-20 min to obtain a solution B, sequentially filtering, washing and drying the solution B to obtain nano-diamond mixed powder, sintering the nano-diamond mixed powder, and crushing a product obtained after sintering treatment into powder in an agate grinding bowl to obtain modified nano-diamond;
and step three, placing the modified calcium phosphate obtained in the step one and the modified nano-diamond obtained in the step two into a stirring kettle for dispersing for 18-25 min to obtain the filler formed by mixing the modified calcium phosphate and the modified nano-diamond.
As a preferred technical scheme of the invention, the metal powder is one or a combination of more of nano titanium powder, nano nickel powder, nano copper powder, nano chromium powder, nano molybdenum powder, nano tungsten powder and nano aluminum powder.
As a preferable technical scheme of the invention, the stabilizer is one of acetylacetone and polymerizable organic phosphate.
The invention also provides application of the photocuring ceramic material for dental restoration, and the photocuring ceramic material is used for restoring various tooth defects and filling decayed teeth.
(III) advantageous effects
Compared with the prior art, the invention provides an oral dental restoration photocuring ceramic material and application thereof, and the material has the following beneficial effects:
according to the dental restoration photocuring ceramic material and the application thereof, the elastic modulus and hardness of the restoration photocuring ceramic material are greatly improved by adding the porous hydroxyapatite/graphene oxide composite material, and the ceramic material has good antibacterial and bacteriostatic properties.
Drawings
Fig. 1 is a schematic structural diagram of a porous hydroxyapatite/graphene oxide composite material provided by the present invention;
FIG. 2 is a schematic diagram of the steps for preparing the filler provided by the present invention;
FIG. 3 is a schematic diagram of the preparation steps of the photocurable ceramic material provided by the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious 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.
Example 1
Referring to fig. 1-3, the present invention provides the following technical solutions: an oral dental restoration photocuring ceramic material is composed of the following raw materials in parts by weight: 150 parts of nano ceramic powder, 50 parts of porous hydroxyapatite/graphene oxide composite material, 25 parts of main monomer, 15 parts of diluent monomer, 1.5 parts of photoinitiator, 40 parts of filler, 0.8 part of stabilizer and 1 part of pigment; the filler is composed of the following raw materials in parts by weight: 0.05 part of modified calcium phosphate and 0.05 part of modified nano-diamond.
Specifically, the volume ratio of the porous hydroxyapatite to the graphene oxide in the porous hydroxyapatite/graphene oxide composite material is 3:1.
Specifically, the porous hydroxyapatite/graphene oxide composite material is prepared by the following steps:
the method comprises the following steps: adding nano hydroxyapatite into ammonia water by adopting an ammonia water diffusion method and using citric acid as a regulating agent, and performing ultrasonic oscillation to obtain porous hydroxyapatite microsphere particles;
step two: adding the porous hydroxyapatite microsphere particles into a graphene oxide aqueous solution with the concentration of 0.5mg/mL, carrying out hydrothermal reaction for 10h in a high-pressure reaction kettle at the temperature of 70 ℃, cooling, washing until the pH value of a supernatant is neutral, filtering, and freeze-drying to obtain the porous hydroxyapatite/graphene oxide composite material.
Specifically, the photoinitiator is camphorquinone.
Specifically, the filler is prepared by the following steps:
step one, preparing modified calcium phosphate: adding calcium phosphate into 100mL of organosilane aqueous solution with the silver content of 3% to obtain a mixed solution, adding 1.5% by mass of nano zirconium oxide into the mixed solution, performing ultrasonic treatment for 15min to obtain a solution A, and sequentially filtering, washing and drying the solution A to obtain silanized and zirconized modified calcium phosphate;
step two, preparing modified nano-diamond: adding the nano-diamond into 100mL of deionized water, adding metal powder with the mass ratio of 0.02% into a nano-diamond solution, carrying out ultrasonic treatment for 15min to obtain a solution B, sequentially filtering, washing and drying the solution B to obtain nano-diamond mixed powder, sintering the nano-diamond mixed powder, and crushing the sintered product into powder in an agate grinding bowl to obtain modified nano-diamond;
and step three, placing the modified calcium phosphate obtained in the step one and the modified nano-diamond obtained in the step two into a stirring kettle for dispersing for 18min to obtain the filler formed by mixing the modified calcium phosphate and the modified nano-diamond.
Specifically, the metal powder comprises nano titanium powder, nano nickel powder, nano chromium powder and nano molybdenum powder.
Specifically, the stabilizer is acetylacetone.
Example 2
Referring to fig. 1-3, the present invention provides the following technical solutions: an oral dental restoration photocuring ceramic material is composed of the following raw materials in parts by weight: 160 parts of nano ceramic powder, 55 parts of a porous hydroxyapatite/graphene oxide composite material, 30 parts of a main monomer, 22 parts of a diluent monomer, 2 parts of a photoinitiator, 42 parts of a filler, 1 part of a stabilizer and 1.2 parts of a pigment; the filler is composed of the following raw materials in parts by weight: 0.07 part of modified calcium phosphate and 0.07 part of modified nano-diamond.
Specifically, the volume ratio of the porous hydroxyapatite to the graphene oxide in the porous hydroxyapatite/graphene oxide composite material is 3: 1.5.
Specifically, the porous hydroxyapatite/graphene oxide composite material is prepared by the following steps:
the method comprises the following steps: adding nano hydroxyapatite into ammonia water by adopting an ammonia water diffusion method and using citric acid as a regulating agent, and performing ultrasonic oscillation to obtain porous hydroxyapatite microsphere particles;
step two: adding the porous hydroxyapatite microsphere particles into a graphene oxide aqueous solution with the concentration of 0.7mg/mL, carrying out hydrothermal reaction for 12h in a high-pressure reaction kettle at the temperature of 90 ℃, cooling, washing until the pH value of a supernatant is neutral, filtering, and freeze-drying to obtain the porous hydroxyapatite/graphene oxide composite material.
Specifically, the photoinitiator is camphorquinone.
Specifically, the filler is prepared by the following steps:
step one, preparing modified calcium phosphate: adding calcium phosphate into 100mL of organosilane aqueous solution with the silver content of 3% to obtain a mixed solution, adding 1.5% by mass of nano zirconium oxide into the mixed solution, performing ultrasonic treatment for 15min to obtain a solution A, and sequentially filtering, washing and drying the solution A to obtain silanized and zirconized modified calcium phosphate;
step two, preparing modified nano-diamond: adding the nano-diamond into 100mL of deionized water, adding metal powder with the mass ratio of 0.02% into a nano-diamond solution, carrying out ultrasonic treatment for 15min to obtain a solution B, sequentially filtering, washing and drying the solution B to obtain nano-diamond mixed powder, sintering the nano-diamond mixed powder, and crushing the sintered product into powder in an agate grinding bowl to obtain modified nano-diamond;
and step three, placing the modified calcium phosphate obtained in the step one and the modified nano-diamond obtained in the step two into a stirring kettle for dispersing for 20min to obtain the filler formed by mixing the modified calcium phosphate and the modified nano-diamond.
Specifically, the metal powder is nano titanium powder, nano nickel powder, nano molybdenum powder and nano tungsten powder.
Specifically, the stabilizer is acetylacetone.
Example 3
Referring to fig. 1-3, the present invention provides the following technical solutions: an oral dental restoration photocuring ceramic material is composed of the following raw materials in parts by weight: 170 parts of nano ceramic powder, 60 parts of a porous hydroxyapatite/graphene oxide composite material, 35 parts of a main monomer, 30 parts of a diluent monomer, 2.5 parts of a photoinitiator, 46 parts of a filler, 1.2 parts of a stabilizer and 1 part of a pigment; the filler is composed of the following raw materials in parts by weight: 0.1 part of modified calcium phosphate and 0.09 part of modified nano-diamond.
Specifically, the volume ratio of the porous hydroxyapatite to the graphene oxide in the porous hydroxyapatite/graphene oxide composite material is 3: 2.
Specifically, the porous hydroxyapatite/graphene oxide composite material is prepared by the following steps:
the method comprises the following steps: adding nano hydroxyapatite into ammonia water by adopting an ammonia water diffusion method and using citric acid as a regulating agent, and performing ultrasonic oscillation to obtain porous hydroxyapatite microsphere particles;
step two: adding the porous hydroxyapatite microsphere particles into a graphene oxide aqueous solution with the concentration of 0.9mg/mL, carrying out hydrothermal reaction for 16h in a high-pressure reaction kettle at the temperature of 110 ℃, cooling, washing until the pH value of a supernatant is neutral, filtering, and freeze-drying to obtain the porous hydroxyapatite/graphene oxide composite material.
Specifically, the photoinitiator is 1-phenyl-1, 2-propanedione.
Specifically, the filler is prepared by the following steps:
step one, preparing modified calcium phosphate: adding calcium phosphate into 100mL of organosilane aqueous solution with the silver content of 3% to obtain a mixed solution, adding 1.5% by mass of nano zirconium oxide into the mixed solution, performing ultrasonic treatment for 15min to obtain a solution A, and sequentially filtering, washing and drying the solution A to obtain silanized and zirconized modified calcium phosphate;
step two, preparing modified nano-diamond: adding the nano-diamond into 100mL of deionized water, adding metal powder with the mass ratio of 0.02% into a nano-diamond solution, carrying out ultrasonic treatment for 15min to obtain a solution B, sequentially filtering, washing and drying the solution B to obtain nano-diamond mixed powder, sintering the nano-diamond mixed powder, and crushing the sintered product into powder in an agate grinding bowl to obtain modified nano-diamond;
and step three, placing the modified calcium phosphate obtained in the step one and the modified nano-diamond obtained in the step two into a stirring kettle for dispersing for 22min to obtain the filler formed by mixing the modified calcium phosphate and the modified nano-diamond.
Specifically, the metal powder comprises nano titanium powder, nano nickel powder, nano chromium powder, nano molybdenum powder and nano aluminum powder.
In particular, the stabilizer is a polymerizable organic phosphate.
Example 4
Referring to fig. 1-3, the present invention provides the following technical solutions: an oral dental restoration photocuring ceramic material is composed of the following raw materials in parts by weight: 180 parts of nano ceramic powder, 70 parts of a porous hydroxyapatite/graphene oxide composite material, 45 parts of a main monomer, 35 parts of a diluent monomer, 3 parts of a photoinitiator, 50 parts of a filler, 1.5 parts of a stabilizer and 2 parts of a pigment; the filler is composed of the following raw materials in parts by weight: 0.12 part of modified calcium phosphate and 0.1 part of modified nano-diamond.
Specifically, the volume ratio of the porous hydroxyapatite to the graphene oxide in the porous hydroxyapatite/graphene oxide composite material is 3: 2.
Specifically, the porous hydroxyapatite/graphene oxide composite material is prepared by the following steps:
the method comprises the following steps: adding nano hydroxyapatite into ammonia water by adopting an ammonia water diffusion method and using citric acid as a regulating agent, and performing ultrasonic oscillation to obtain porous hydroxyapatite microsphere particles;
step two: adding the porous hydroxyapatite microsphere particles into a graphene oxide aqueous solution with the concentration of 1.0mg/mL, carrying out hydrothermal reaction for 20h in a high-pressure reaction kettle at the temperature of 140 ℃, cooling, washing until the pH value of a supernatant is neutral, filtering, and carrying out freeze drying to obtain the porous hydroxyapatite/graphene oxide composite material.
Specifically, the photoinitiator is 1-phenyl-1, 2-propanedione.
Specifically, the filler is prepared by the following steps:
step one, preparing modified calcium phosphate: adding calcium phosphate into 100mL of organosilane aqueous solution with the silver content of 3% to obtain a mixed solution, adding 1.5% by mass of nano zirconium oxide into the mixed solution, performing ultrasonic treatment for 15min to obtain a solution A, and sequentially filtering, washing and drying the solution A to obtain silanized and zirconized modified calcium phosphate;
step two, preparing modified nano-diamond: adding the nano-diamond into 100mL of deionized water, adding metal powder with the mass ratio of 0.02% into a nano-diamond solution, carrying out ultrasonic treatment for 15min to obtain a solution B, sequentially filtering, washing and drying the solution B to obtain nano-diamond mixed powder, sintering the nano-diamond mixed powder, and crushing the sintered product into powder in an agate grinding bowl to obtain modified nano-diamond;
and step three, placing the modified calcium phosphate obtained in the step one and the modified nano-diamond obtained in the step two into a stirring kettle for dispersing for 25min to obtain the filler formed by mixing the modified calcium phosphate and the modified nano-diamond.
Specifically, the metal powder comprises nano titanium powder, nano nickel powder and nano chromium powder.
In particular, the stabilizer is a polymerizable organic phosphate.
In another aspect of the present invention, the photocurable ceramic material is prepared by the steps of:
the method comprises the following steps: preparing a porous hydroxyapatite/graphene oxide composite material and a filler, and weighing the components of nano ceramic powder, the porous hydroxyapatite/graphene oxide composite material, a main monomer, a diluent monomer, a photoinitiator, the filler, a stabilizer and a pigment according to a certain weight part;
step two: uniformly stirring and mixing the nano ceramic powder, the porous hydroxyapatite/graphene oxide composite material, the main monomer and the diluent monomer in a water bath at 45-60 ℃, dispersing for 30-45 min to obtain a mixed solution, adding a photoinitiator and a stabilizer into the mixed solution, continuously dispersing for 25-30 min, fully mixing, adding a filler and a pigment into the mixed solution, ultrasonically dispersing for 20-25 min, and finally drying to obtain the photocuring ceramic material.
Through inspection, the photocuring ceramic material prepared in the embodiments 1-4 has the characteristics of simple and controllable preparation process and environmental protection, the elastic modulus and hardness of the repaired photocuring ceramic material are greatly improved by adding the porous hydroxyapatite/graphene oxide composite material, and the ceramic material has good antibacterial and bacteriostatic properties.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An oral dental restoration light-cured ceramic material, which is characterized in that: the photocuring ceramic material is prepared from the following raw materials in parts by weight: 150-180 parts of nano ceramic powder, 50-70 parts of porous hydroxyapatite/graphene oxide composite material, 25-45 parts of main monomer, 15-35 parts of diluent monomer, 1.5-3 parts of photoinitiator, 40-50 parts of filler, 0.8-1.5 parts of stabilizer and 1-2 parts of pigment; the filler is prepared from the following raw materials in parts by weight: 0.05-0.12 part of modified calcium phosphate and 0.05-0.1 part of modified nano-diamond.
2. The light-cured ceramic material for oral dental restoration according to claim 1, wherein: the volume ratio of the porous hydroxyapatite to the graphene oxide in the porous hydroxyapatite/graphene oxide composite material is 3: 1-2.
3. The light-cured ceramic material for oral dental restoration according to claim 1, wherein: the porous hydroxyapatite/graphene oxide composite material is prepared by the following steps:
the method comprises the following steps: adding nano hydroxyapatite into ammonia water by adopting an ammonia water diffusion method and using citric acid as a regulating agent, and performing ultrasonic oscillation to obtain porous hydroxyapatite microsphere particles;
step two: adding porous hydroxyapatite microsphere particles into a graphene oxide aqueous solution with the concentration of 0.5-1.0 mg/mL, carrying out hydrothermal reaction in a high-pressure reaction kettle at the temperature of 70-140 ℃ for 10-20 h, cooling, washing until the pH value of a supernatant is neutral, filtering, and freeze-drying to obtain the porous hydroxyapatite/graphene oxide composite material.
4. The light-cured ceramic material for oral dental restoration according to claim 1, wherein: the photoinitiator is camphorquinone or 1-phenyl-1, 2-propanedione.
5. The light-cured ceramic material for oral dental restoration according to claim 1, wherein: the filler is prepared by the following steps:
step one, preparing modified calcium phosphate: adding calcium phosphate into a silver-containing organosilane aqueous solution to obtain a mixed solution, adding nano zirconium oxide into the mixed solution, carrying out ultrasonic treatment for 15-20 min to obtain a solution A, and sequentially filtering, washing and drying the solution A to obtain modified calcium phosphate subjected to silanization and zirconization;
step two, preparing modified nano-diamond: adding nano-diamond into deionized water, adding metal powder into a nano-diamond solution, carrying out ultrasonic treatment for 15-20 min to obtain a solution B, sequentially filtering, washing and drying the solution B to obtain nano-diamond mixed powder, sintering the nano-diamond mixed powder, and crushing a product obtained after sintering treatment into powder in an agate grinding bowl to obtain modified nano-diamond;
and step three, placing the modified calcium phosphate obtained in the step one and the modified nano-diamond obtained in the step two into a stirring kettle for dispersing for 18-25 min to obtain the filler formed by mixing the modified calcium phosphate and the modified nano-diamond.
6. The light-cured ceramic material for oral dental restoration according to claim 5, wherein: the metal powder is one or a combination of a plurality of nano titanium powder, nano nickel powder, nano copper powder, nano chromium powder, nano molybdenum powder, nano tungsten powder and nano aluminum powder.
7. The light-cured ceramic material for oral dental restoration according to claim 1, wherein: the stabilizer is one of acetylacetone and polymerizable organic phosphate.
8. Use of a photocurable ceramic material for oral dental restorations according to any of claims 1-7, characterized in that: the light-cured ceramic material is used for repairing various tooth defects and filling decayed teeth.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409426A (en) * | 2022-02-09 | 2022-04-29 | 山东大学第二医院 | 3D printing graphene oxide-hydroxyapatite-based biological ceramic slurry, preparation method and application |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106580715A (en) * | 2016-12-15 | 2017-04-26 | 东莞市永嘉义齿有限公司 | Dental restoration photocuring ceramic material and application thereof |
| CN108379589A (en) * | 2018-03-14 | 2018-08-10 | 西南科技大学 | A kind of preparation method of hydroxyapatite/graphene oxide composite material |
-
2020
- 2020-10-20 CN CN202011124739.5A patent/CN112022727A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106580715A (en) * | 2016-12-15 | 2017-04-26 | 东莞市永嘉义齿有限公司 | Dental restoration photocuring ceramic material and application thereof |
| CN108379589A (en) * | 2018-03-14 | 2018-08-10 | 西南科技大学 | A kind of preparation method of hydroxyapatite/graphene oxide composite material |
Non-Patent Citations (1)
| Title |
|---|
| 段佩珍: ""羟基磷灰石/氧化石墨烯复合材料的制备及其性能研究"", 《万方数据》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114409426A (en) * | 2022-02-09 | 2022-04-29 | 山东大学第二医院 | 3D printing graphene oxide-hydroxyapatite-based biological ceramic slurry, preparation method and application |
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