CN109125801A - A kind of method of zirconium surface processing - Google Patents
A kind of method of zirconium surface processing Download PDFInfo
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- CN109125801A CN109125801A CN201810731763.1A CN201810731763A CN109125801A CN 109125801 A CN109125801 A CN 109125801A CN 201810731763 A CN201810731763 A CN 201810731763A CN 109125801 A CN109125801 A CN 109125801A
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- corona
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- zirconium oxide
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/02—Inorganic materials
- A61L27/04—Metals or alloys
- A61L27/047—Other specific metals or alloys not covered by A61L27/042 - A61L27/045 or A61L27/06
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
- C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
- C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/53—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone involving the removal of at least part of the materials of the treated article, e.g. etching, drying of hardened concrete
- C04B41/5338—Etching
- C04B41/5353—Wet etching, e.g. with etchants dissolved in organic solvents
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/81—Coating or impregnation
- C04B41/85—Coating or impregnation with inorganic materials
- C04B41/86—Glazes; Cold glazes
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
- C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
- C04B41/91—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics involving the removal of part of the materials of the treated articles, e.g. etching
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2400/00—Materials characterised by their function or physical properties
- A61L2400/18—Modification of implant surfaces in order to improve biocompatibility, cell growth, fixation of biomolecules, e.g. plasma treatment
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/12—Materials or treatment for tissue regeneration for dental implants or prostheses
Abstract
The invention discloses a kind of methods of zirconium surface of dental prosthetic technical field processing, and specific step is as follows for this method: being processed to dental zirconium oxide zirconium block, is polished into zirconium oxide corona；Then corona is dyed using zirconium oxide dyeing liquor, and dries dyeing liquor, zirconium oxide is sintered using zirconium oxide crystal growing furnace；Zirconium oxide corona is immersed in surface processing solution, it is ensured that the surfaces externally and internally of corona all touches solution, and the inner surface of corona is used for upper porcelain or glazing for being bonded in abutment, outer surface；Zirconium oxide corona after surface treatment is taken out and cleaned from solution, upper porcelain or glazing are carried out to corona, the present invention is bonded on abutment by the inner surface of zirconium oxide corona, outer surface upper porcelain or glazing after the acid etching of surface, the adhesive strength between the adhesive strength and corona and enamel coating, glaze layer between abutment and zirconium oxide corona can be improved, to improve the aesthetics and durable wear-resistant of dental prosthesis.
Description
Technical field
The invention discloses a kind of methods of zirconium surface processing, specially dental prosthetic technical field.
Background technique
Dental prosthetic refer to repair one or more because dieback rot, saprodontia or external force injury damage tooth structure
Process.Dental prosthetic material has the form and feature of standard, can make and be applied on the tooth of damage and reaches reparation
Purpose.Dental prosthetic material includes the tooth structure that filling or founding materials can substitute damage, and traditional repair materials use
Metal or resin all lack enough intensity and aesthetics, and easily lead to colour fading or fracture, in addition, these metals and resin are repaired
It is multiple unsuitable as premanillary teeth in aesthetic.Noble metal, such as billon are widely used as dentistry veneer, inlay, edge
Face, tooth stake and corona, precious metal alloys price is higher, and with the rise in price of noble metal, makes the cost of dummy
It can rise sharply.Furthermore the color of noble metal and the creamy white difference of dermal tooth are larger, so aesthetically nor one fine
Selection.Non-noble metal alloy is also recommended and uses, but the dispute in terms of health is continuous always, with mentioning for living standard
Height, people also increase the expectation of dental prosthetic aesthetics aspect.For example, for the entire visible part such as tooth of dummy
Hat, what ceramics were repaired needs the demand much larger than metallic prosthetic to make oxygen since ceramics have good intensity and lasting robustness
The application for changing this repair materials of zirconium greatly increases, and a kind of dental material of prevalence is recently become, because it has high intensity, anti-folding
It is disconnected, the opaque capable basic tooth structure for covering discoloration.Its bending strength be 900 to 1100 megapascal, fracture toughness be 8 to
10 megapascal (MPa)s become a kind of suitable material, both can directly make complete crown, but due to the oxidation after sintering crystallization
The compact structure of zirconium, hardness are very big, it is difficult to be surface-treated to surface treatment, cause aesthetic effect bad, because of zirconia material
In there is no glass ion, so existing etching agent can not do acid etching to zirconium surface, so bonding effect at a specified future date
Fruit is undesirable, and zirconium oxide inlay and zirconium oxide veneer restorations body not can guarantee bonding force, but at present on the market, without any one
Zirconium oxide tooth table of the money product without the either chemical still physics of any technology, after energy acid etching sintering crystallization
Face can be processed into for a great problem zirconium surface.For this purpose, we have proposed a kind of sides of zirconium surface processing
Method comes into operation, to solve the above problems.
Summary of the invention
The purpose of the present invention is to provide a kind of methods of zirconium surface processing, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of method of zirconium surface processing, this method
Specific step is as follows: being processed to dental zirconium oxide zirconium block, is polished into zirconium oxide corona；Then zirconium oxide is used
Dyeing liquor dyes corona, and dries dyeing liquor, is sintered using zirconium oxide crystal growing furnace to zirconium oxide；Prepare table
Zirconium oxide corona is immersed in surface processing solution by surface treatment solution, it is ensured that the surfaces externally and internally of corona all touches solution, tooth
The inner surface of hat is used for upper porcelain or glazing for being bonded in abutment, outer surface；The zirconium oxide corona after surface treatment from
It takes out and cleans in solution, upper porcelain or glazing are carried out to corona, are then sintered again, final dental prosthesis is obtained.
Preferably, the zirconium oxide corona obtains model data by 3D scanner, is ground with CAD/CAM in processing
Grind shape close to teeth patterning zirconium block.
Preferably, the surface processing solution includes chloroacetic chloride, and wherein the weight content of chloroacetic chloride is in 0.001-10%
Between.
Preferably, the surface processing solution further includes ethanedioly chloride, and wherein the weight content of ethanedioly chloride exists
Between 0.001-10%.
Preferably, the surface processing solution further includes nitric acid and hydrofluoric acid, and the volume ratio range of the two is 1:
Between 0.1-4.
Preferably, the surface processing solution further includes the hydrogen peroxide of 0.1-20% by weight.
Preferably, the surface treatment is handled using ultrasonic impact, and ultrasonic frequency exists in 20-40KHz, intensity
1-200w/cm2, the time of surface treatment continues 10-90min.
Preferably, specific step is as follows for the method for the surface treatment:
S81: surface processing solution is placed in first container；
S82: zirconium oxide corona is placed in the interior container for having net to hold in the palm, wherein the size of the container compares first container
It is small, and its bottom and surrounding are evenly distributed with through-hole；
S83: being put into the container equipped with the zirconium oxide corona after sintering crystallization in first container, guarantees in net support
Zirconium oxide corona is all immersed in the surface processing solution in first container by mesh；
S84: after the completion of surface treatment, net support container is taken out out of first container, and be put into clear water and clean, held in the palm from net
The zirconium oxide corona after cleaning is taken out in container.
Preferably, the upper porcelain process uses porcelain powder, at paste or paste, uniformly to be smeared with brush with water hybrid modulation
In the outer surface of zirconium oxide corona.
Preferably, the porcelain powder is the feldspar porcelain powder of feldspar content 40-85% and clay content 5-30%.
Preferably, the paste that the glazing process uses powdered frit glaze liquid to be mixed into, oxidation is uniformly applied to brush
The outer surface of zirconium corona.
Compared with prior art, the beneficial effects of the present invention are: the present invention is attached to by the inner surface of zirconium oxide corona
On abutment, outer surface upper porcelain or glazing, the bonding that can improve between abutment and zirconium oxide corona after the acid etching of surface are strong
Degree and the adhesive strength between corona and enamel coating, glaze layer, to improve the durable wear-resistant of dental prosthetic；Surface treatment can be with
Increase the inside and outside surface bond area of zirconium oxide corona, acid etching makes zirconium oxide crown surfaces with more frictional property and coarse
Property, dental prosthesis can will not be moved or be fallen off compared to being attached on abutment with the stronger stable of not acid etching；This hair
The surface treatment time in bright is short, and production efficiency can be improved, and furthermore surface treatment can carry out special control box at room temperature,
And it is simple using two containers surface processing solutions and zirconium oxide corona, operating process.
Detailed description of the invention
Fig. 1 is the comparison diagram before acid etching of the present invention and after acid etching；
Fig. 2 is zirconium surface variation diagram after acid etching of the present invention；
Fig. 3 is operation of the present invention case pictorial diagram；
Fig. 4 is production flow diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of method of zirconium surface processing, this method
Specific step is as follows: dental zirconium oxide zirconium block is processed, zirconium oxide corona is polished into,；Then zirconium oxide is used
Dyeing liquor dyes corona, and dries dyeing liquor, is sintered using zirconium oxide crystal growing furnace to zirconium oxide.Prepare table
Zirconium oxide corona is immersed in surface processing solution by surface treatment solution, it is ensured that the surfaces externally and internally of corona all touches solution, tooth
The inner surface of hat is used for upper porcelain or glazing for being bonded in abutment, outer surface；The zirconium oxide corona after surface treatment from
It takes out and cleans in solution, upper porcelain or glazing are carried out to corona, are then sintered again, final dental prosthesis is obtained.
Wherein, in processing, the zirconium oxide corona is obtained in processing by 3D scanner the zirconium oxide corona
Model data is taken, shape is ground close to the zirconium block of teeth patterning with CAD/CAM, the surface processing solution includes acetyl
Chlorine, wherein for the weight content of chloroacetic chloride between 0.001-10%, the surface processing solution further includes ethanedioly chloride, wherein
For the weight content of ethanedioly chloride between 0.001-10%, the surface processing solution further includes nitric acid and hydrofluoric acid, the two
Volume ratio range between 1:0.1-4, the surface processing solution further includes the peroxidating of 0.1-20% by weight
Hydrogen, the surface treatment are handled using ultrasonic impact, and ultrasonic frequency is in 20-40KHz, and intensity is in 1-200w/cm2,
The time of surface treatment continues 10-90min, and specific step is as follows for the method for the surface treatment: S81: will be surface-treated molten
Liquid is placed in first container；S82: zirconium oxide corona is placed in the interior container for having net to hold in the palm, wherein the size of the container
It is smaller than first container, and its bottom and surrounding are evenly distributed with through-hole；S83: the container equipped with zirconium oxide corona is put into first appearance
In device, guarantee that the zirconium oxide corona in net support is all immersed in the surface processing solution in first container by mesh；
S84: after the completion of surface treatment, net support container is taken out out of first container, and be put into clear water and clean, taken out of net support container
Zirconium oxide corona after cleaning out, the upper porcelain process uses porcelain powder with water hybrid modulation at paste or paste, equal with brush
The even outer surface for being applied to zirconium oxide corona, or the paste being mixed into using powdered frit glaze liquid, are uniformly applied to oxygen with brush
Change the outer surface of zirconium corona, the porcelain powder is the feldspar porcelain powder of feldspar content 40-85% and clay content 5-30%.
In the present invention, the tooth of zirconium oxide is formed by CADCAM equipment grinding zirconium block.Zirconium block can be suppressed via zirconium powder
Sintering correction of the flank shape out forms, and also can choose the zirconiums block such as 3Y-PSZ, D-MAX, HASS commercially, and tooth is ground and needs later
Using high temperature furnace to tooth heat-agglomerating, crystallization conversion is brought it about, the temperature of sintering is 1450-1650 DEG C, the speed of sintering
Usually 3-10 DEG C/min, 3-24h is needed altogether.Zirconium oxide ceramic crown is first to grind hat, thickness in a zirconium oxide to be about
0.5-1.2mm, the glazed thickness being sintered after upper porcelain are 0.6-1.2mm.The final form of tooth is determined by the form of upper porcelain.Oxidation
Zirconium complete crown, inlay and veneer are in accordance with 3D data and the final complete dental morphology come, the crystallization conversion of high temperature are ground
Carry out the processing simply painted with glazing again later.The thickness of zirconium oxide complete crown and inlay is generally 0.5-2.5mm, outer surface
Upper a thin layer of glaze can serve as final dummy.The very thin thickness of zirconium oxide veneer is generally in 0.2-1.0mm.
This patent discovery, by experiment, nitric acid or hydrofluoric acid, which is used alone, will lead to acid etching and slows, and use nitre
The mixed solution of acid, hydrofluoric acid and hydrogen peroxide can achieve better effect.Nitric acid, hydrofluoric acid, the mixed liquor of hydrogen peroxide
Also it is proved to effect better than the mixed solution for being only nitric acid and hydrofluoric acid.Ultrasonic impact method and nitric acid, hydrofluoric acid, peroxidating
Hydrogen mixed solution, which is used together, can achieve best effect.
Containing nitric acid and hydrofluoric acid, and surface processing solution of the volume ratio of the two between 1:0.1 to 1:4 is preferred
(best between 1:0.1 to 1:1.5).If the hydrogen peroxide containing 0.1%-20% is more preferable (best between 5%-15%).Such as
For fruit fluohydric acid content compared to low with nitric acid content, surface treatment process can become very slow, if instead fluohydric acid content compared to
Nitric acid content is too high, and the hardness of zirconium oxide corona will weaken.If the content of hydrogen peroxide is too low, the surface treatment time will
Increase, content is too high, and the volume ratio of uneven or more the nitric acid of zirconium oxide corona surface treatment meeting and hydrofluoric acid refers in aqueous solution
In acid volume.
Zirconium oxide corona is immersed in surface processing solution under room temperature China environment and continues to be advisable for 10-90 minutes.If
The time is surface-treated less than 10 minutes, adhesive strength may be insecure, more than 90 minutes, since zirconium oxide corona is too thin, can lead
Corona hardness is caused to reduce
It was verified that even if at room temperature, surface treatment use contains nitric acid, and the solution of hydrofluoric acid and hydrogen peroxide also can
Reach good result.The method of existing chemical attack zirconium oxide is that in high temperature, (temperature is higher than 400 using calcium sulfate or phosphoric acid
Degree Celsius) under carry out, so high temperature, which carries out acid etching, a serious security risk, and it includes nitric acid that we are this, hydrofluoric acid,
The solution of hydrogen peroxide, which can at room temperature be handled zirconium surface, can obtain good result
Mentioned above, the surface processing solution that the present invention is shown can additionally contain chloroacetic chloride and ethanedioly chloride.At surface
Managing the chemical component of solution is dangerous when being processed to surface.
Zirconium oxide corona is soaked in surface processing solution and carries out ultrasonic impact processing.Respectively when observation surface treatment
Between from 0-120 minutes generate bonding effect, ultrasonic impact frequency is 20KHZ, and intensity is
20W/CM2.Experimental result is shown in Table 1.
The present invention relies on process of surface treatment, and the zirconium oxide corona after acid etching is attached on abutment, the table of zirconium oxide corona
Surface area increases, and has changed and improved adhesion strength after acid etching, due to increasing the mantle friction and roughness of calcium oxide corona,
Dummy can be stable be attached on abutment, increase the bonding force of zirconium oxide corona and inlay, greatly reduce dummy
Activity or the probability that falls off.
Also, it in the past on the market can be with the product and processing method of acid etching zirconium surface, so that zirconia material
Aesthetics mechanicalness can make veneer restorations body, and the bonding on abutment can not achieve.There is such inorganic agent to oxidation
Zirconium surface carries out acid etching, so that oxidation hat surface is increased evil spirit wiping and roughness, considerably increases bonding rate, make zirconium oxide system
It is possibly realized as veneer.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (10)
1. a kind of method of zirconium surface processing, it is characterised in that: specific step is as follows for this method: to dental zirconium oxide
Zirconium block is processed, and is polished into zirconium oxide corona；Then corona is dyed using zirconium oxide dyeing liquor, and dries dye
Color liquid is sintered zirconium oxide using zirconium oxide crystal growing furnace；Prepare surface processing solution, zirconium oxide corona is immersed in
In surface processing solution, it is ensured that the surfaces externally and internally of corona all touches solution, and the inner surface of corona is for being bonded in abutment, outside
Surface is used for upper porcelain or glazing；Zirconium oxide corona after surface treatment is taken out and cleaned from solution, corona is carried out
Porcelain or glazing, are then sintered again, obtain final dental prosthesis.
2. a kind of method of zirconium surface processing according to claim 1, it is characterised in that: the zirconium oxide corona
Processing when, by 3D scanner obtain model data, with CAD/CAM be ground shape close to teeth patterning zirconium block.
3. a kind of method of zirconium surface processing according to claim 1, it is characterised in that: the surface treatment is molten
Liquid includes chloroacetic chloride, and wherein the weight content of chloroacetic chloride is between 0.001-10%.
4. a kind of method of zirconium surface processing according to claim 1, it is characterised in that: the surface treatment is molten
Liquid further includes ethanedioly chloride, and wherein the weight content of ethanedioly chloride is between 0.001-10%.
5. a kind of method of zirconium surface processing according to claim 1, it is characterised in that: the surface treatment is molten
Liquid further includes nitric acid and hydrofluoric acid, and the volume ratio range of the two is between 1:0.1-4.
6. a kind of method of zirconium surface processing according to claim 1, it is characterised in that: the surface treatment is molten
Liquid further includes the hydrogen peroxide of 0.1-20% by weight.
7. a kind of method of zirconium surface processing according to claim 1, it is characterised in that: the surface treatment is adopted
It is handled with ultrasonic impact, ultrasonic frequency is in 20-40KHz, and intensity is in 1-200w/cm2, time of surface treatment continues
10-90min。
8. a kind of method of zirconium surface processing according to claim 1, it is characterised in that: the surface treatment
Specific step is as follows for method:
S81: surface processing solution is placed in first container；
S82: zirconium oxide corona is placed in the interior container for having net to hold in the palm, and wherein the size of the container is smaller than first container, and
Its bottom and surrounding are evenly distributed with through-hole；
S83: being put into the container equipped with the zirconium oxide corona after sintering crystallization in first container, guarantees the oxidation in net support
Zirconium corona is all immersed in the surface processing solution in first container by mesh；
S84: after the completion of surface treatment, net support container is taken out out of first container, and be put into clear water and clean, hold in the palm container from net
The interior zirconium oxide corona taken out after cleaning.
9. a kind of method of zirconium surface processing according to claim 1, it is characterised in that: the upper porcelain process is adopted
With porcelain powder water hybrid modulation at paste or paste, the outer surface of zirconium oxide corona is uniformly applied to brush.
10. a kind of method of zirconium surface processing according to claim 9, it is characterised in that: the porcelain powder is length
The feldspar porcelain powder of stone content 40-85% and clay content 5-30%.
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Cited By (4)
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|---|---|---|---|---|
| CN111470882A (en) * | 2020-03-02 | 2020-07-31 | 北京大学口腔医学院 | Zirconia surface treatment method for dentistry |
| CN112390646A (en) * | 2019-08-19 | 2021-02-23 | 江苏乾度智造高科技有限公司 | Method for forming full-ceramic dental crown by three-dimensional photoetching of zirconia ceramic slurry |
| CN113387727A (en) * | 2021-06-30 | 2021-09-14 | 成都贝施美生物科技有限公司 | Zirconia surface treatment process |
| CN113476157A (en) * | 2021-07-08 | 2021-10-08 | 上海森艺医疗科技有限公司 | Zirconia dental crown and preparation method thereof |
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| CN102579148A (en) * | 2012-03-05 | 2012-07-18 | 深圳市爱尔创科技有限公司 | Preparation method of aesthetic all-zirconia restoration body |
| CN103431918A (en) * | 2013-08-27 | 2013-12-11 | 东南大学 | New method for treating surface of dental zirconia-based ceramic and improving bonding performance of ceramic |
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