CN1283585C - Ceramic material for series color-combination porcelain used in dentistry and method for preparing same - Google Patents
Ceramic material for series color-combination porcelain used in dentistry and method for preparing same Download PDFInfo
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- CN1283585C CN1283585C CN 200410015585 CN200410015585A CN1283585C CN 1283585 C CN1283585 C CN 1283585C CN 200410015585 CN200410015585 CN 200410015585 CN 200410015585 A CN200410015585 A CN 200410015585A CN 1283585 C CN1283585 C CN 1283585C
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Abstract
The present invention relates to a porcelain material for a dental porcelain. The host crystal of the porcelain material is leucite. Biscuit porcelain powder with a color shielding function has the components of 35 to 45% of SiO2, 16 to 25% of Al2O3, 9 to 22% of K2O, 1 to 5% % of Na2O, 15 to 18 % of SnO2, 3 to 10% of CaO, 0 to 1% of BaO, 0 to 3% of TiO2, 0 to 4 % of B2o3 and 0 to 3% of MgO. Biscuit porcelain powder for a porcelain body has the components of 58 to 65% of SiO2, 15 to 25% of Al2O3, 10 to 25% of K2O, 1 to 4% % of Na2O, 0 to 3 % of SnO2, 3 to 8% of CaO, 0 to 2% of BaO, 2 to 5% of TiO2, 0 to 5% of B2o3 and 0 to 3% of MgO. The present invention has the preparation method that chemical reagents are used for proportioning and are fired once by a step-colding crystallization method, and home-made coloring materials are added into the biscuit porcelain powder; thus, 4 series of colored porcelain ceramic powder with 17 colors can be prepared. The present invention has the advantages of high strength, good chemical stability, lifelike and beautiful colour, wide market prospect and good economic benefit. In addition, the expansion coefficient of the present invention is matched with that of an alloy base, and the present invention is firmly combined with the alloy base and is suitable for clinical application.
Description
Technical field
The invention belongs to the material technology field, particularly relate to a kind of stupalith and manufacture method thereof that is used for stomatology dental ceramic dummy.
Background technology
The dental metal ceramic prosthesis has the attractive in appearance of the intensity of metal and pottery concurrently, is subjected to people's welcome deeply, and it is increasingly extensive at present to repair the application in field at oral rectification.But the porcelain powders of present domestic use from external import, costs an arm and a leg basically, and the per kilogram price is up to tens thousand of units.The present invention develops the porcelain stupalith that substitutes import.
Be reported in when making dental polishing and add natural white garnet (Holland W.Empress-materialand clinical science.Ivoclar-Vivadent Report No.10 as inner toughener, 1994.) and potassium felspar sand (Northeastern University, dental bioceramic material, but the bad control of composition and easily to introduce impurity variegated CN1312235A).On manufacture method, for making the white garnet crystallization, the general employing is glass with the melt quenching earlier, grind the back mold pressing, reheat carries out two step heat treating method (Zhang Biao of anneal to certain temperature, Qian Fatang. white garnet is to the influence [J] of Dental Glass Ceramics intensity. Beijing stomatology, 1999,7 (1): 44-47; Northeastern University, dental bioceramic material, CN1312235A), formality is complicated, the power consumption of taking a lot of work.What existing patent was made also is the bique powder of single white.(Northeastern University, dental bioceramic material, CN1312235A).
Summary of the invention
The present invention is directed to the problem that above-mentioned prior art exists, a kind of dental ceramic stupalith and manufacture method thereof of series of matching color is provided.All adopt chemical reagent as raw material, raw material is easy to get, and batching accurately; Adopting the step cold analysis, brilliant method is disposable burns till, and method is simple, and the saving of labor is energy-conservation; And add the self-control colorant and carry out series of matching color in the bique powder, hide the coloring ceramic powder that look porcelain and body porcelain respectively are modulated into A, B, C, D4 17 color codes of series, can select for use according to the different color and lusters of people's nature tooth, color and luster is true to nature attractive in appearance.Its intensity height, the coefficient of expansion and alloy substrates coupling combine firmly with metal base, and chemical stability is good, and the clinical baking porcelain tooth of Stomatological Department dummy can be provided.
Technical scheme provided by the invention is:
1. the composition of color masking ceramic agent porcelain powder (mass percent) is
SiO
2?35～45％ Al
2O
3?16～25％ K
2O?9～22％ Na
2O?1～5％ SnO
2?15～18％CaO?3～10％ BaO?0～1％ TiO
2?0～3％ B
2O
3?0～4％ MgO?0～3％
Above-mentioned color masking ceramic agent porcelain powder principal crystalline phase is white garnet and cassiterite crystal.
2. the composition (mass percent) of body porcelain bique powder is
SiO
2?58～65％ Al
2O
3?15～25％ K
2O?10～25％ Na
2O?1～4％ SnO
2?0～3％CaO?3～8％ BaO?0～2％ TiO
2?2～5％ B
2O
3?0～5％ MgO?0～3％
Above-mentioned body porcelain bique powder principal crystalline phase is a white garnet.
3. raw material are prepared
In order to meet the human body security needs, guarantee the accuracy of dental polishing chemical constitution, prevent sneaking into of objectionable impurities, each component all adopts chemical pure or analytically pure reagent raw material to introduce.Raw materials used is chemical pure or analytically pure silicon-dioxide, aluminum oxide, salt of wormwood, lime carbonate, barium carbonate, titanium dioxide, tindioxide, yellow soda ash, magnesium oxide and boric acid.Raw material is grinding element by the prescription weigh batching with alumina balls, ball milling 20～30h.
4. burn till
Powder is poured in the high alumina crucible, puts to be warming up to 1200～1400 ℃ of insulation 2～4h in the high-temperature electric resistance furnace, to guarantee abundant fusion of each component and reaction, takes 50 ℃/20min～cold but system cooling of 40min temperature control step melt then, to promote the white garnet crystallization.
5. the grinding of porcelain powder
The porcelain that burns till is a grinding element with alumina balls after pulverizing, and water is medium, puts into plastics or ceramic pot ball milling 40～60h, places 100～200 ℃ of baking ovens to dry, and promptly gets to hide look porcelain and body porcelain bique powder.
6. colorant preparation
Batching mass percent and firing condition:
Chrome alumina red Al
2O
340～60 CrO
330～50 ZnO, 2～8 H
3BO
38～12 1200～1400 ℃ of 1～4h
The yellow ZrO of vanadium Zirconium
270～92 NaF, 2～10 NH
4VO
32～10 Fe
2O
30.2～1 900～1150 ℃ of 1～3h
The red ZrO of iron Zirconium
230～40 SiO
210～25 NaF, 6～15 NaCl, 2～10 FeSO
430～50KNO
33～10 900～1150 ℃ of 1～3h
Orange CrO
31～3 ZnO, 20～30 ZrO
240～60 Al (OH)
310～20 Fe
2O
32～51200～1400 ℃ of 2～4h
The blue ZrO of vanadium Zirconium
240～60 SiO
220～30 NaF, 3～8 NaCl, 3～10 NH
4VO
35～101200～1300 ℃ of 1～3h
Manganese Zirconium ash ZrO
250～70 SiO
220～50 NaF, 1～5 MnO
22～5 900～1100 ℃ of 1～3h furnace cooling, levigate standby.
7. hide the series of matching color of look porcelain, add colorant umber, ball milling 20～30h in 100 parts of color masking ceramic agent porcelain powder
A1 chrome alumina red 1.5 vanadium zirconium Huangs 2
A2 chrome alumina red 1.8 vanadium zirconium Huangs 3
A3 vanadium zirconium yellow 3 orange 1
The yellow 3 orange 1 vanadium zirconium indigo plants 0.5 of A3.5 vanadium zirconium
The red 0.75 vanadium zirconium indigo plant 0.5 of yellow 6 ferrozirconiums of A4 vanadium zirconium
B1 vanadium zirconium Huang 2
B2 vanadium zirconium Huang 4
B3 vanadium zirconium yellow 5 orange 1
The yellow 5 orange 1 vanadium zirconium indigo plants 0.5 of B4 vanadium zirconium
The red 0.2 manganese zirconium ash 0.2 of yellow 2 ferrozirconiums of C1 vanadium zirconium
The red 0.5 manganese zirconium ash 0.4 of yellow 5 ferrozirconiums of C2 vanadium zirconium
The red 0.75 manganese zirconium ash 0.5 of yellow 5 ferrozirconiums of C3 vanadium zirconium
The red 0.75 manganese zirconium ash 0.75 of yellow 5 ferrozirconiums of C4 vanadium zirconium
The red 1 vanadium zirconium indigo plant 0.5 of yellow 5 ferrozirconiums of D1 vanadium zirconium
The red 0.75 vanadium zirconium indigo plant 0.5 of yellow 5 ferrozirconiums of D2 vanadium zirconium
The red 0.75 vanadium zirconium indigo plant 1 of yellow 5 ferrozirconiums of D3 vanadium zirconium
The red 0.5 vanadium zirconium indigo plant 0.5 of yellow 5 ferrozirconiums of D4 vanadium zirconium.
8. the series of matching color of body porcelain adds colorant umber, ball milling 20～30h in 100 parts of body porcelain bique powder
A1 chrome alumina red 1.3667 vanadium zirconium Huangs 0.6333
A2 chrome alumina red 1.6 vanadium zirconium Huangs 0.7
Blue 0.18 TiO of the red 0.1 vanadium zirconium of yellow 0.75 ferrozirconium of A3 vanadium zirconium
20.5
The red 0.16 vanadium zirconium indigo plant 0.32 of yellow 1.44 ferrozirconiums of A3.5 vanadium zirconium
Blue 0.32 TiO of the red 0.2 vanadium zirconium of yellow 1.46 ferrozirconiums of A4 vanadium zirconium
22
Yellow 0.3667 orange 0.2667 TiO of B1 chrome alumina red 1.0667 vanadium zirconiums
20.5
B2 chrome alumina red 1.6333 vanadium zirconiums yellow 0.6 orange 0.7667
Red 0.2 Fe of yellow 0.5 ferrozirconium of B3 vanadium zirconium
2O
31.7 TiO
21
Red 0.1333 Fe of yellow 0.5 ferrozirconium of B4 vanadium zirconium
2O
31 TiO
20.5
The yellow 0.4667 vanadium zirconium indigo plant 0.1333 of C1 chrome alumina red 1.0333 vanadium zirconiums
Blue 0.25 Fe of the red 0.13 vanadium zirconium of yellow 0.643 ferrozirconium of C2 vanadium zirconium
2O
31.8
Blue 0.36 TiO of the red 0.16 vanadium zirconium of yellow 1.46 ferrozirconiums of C3 vanadium zirconium
22
Blue 0.4 TiO of the red 0.2 vanadium zirconium of yellow 1.64 ferrozirconiums of C4 vanadium zirconium
22
Blue 0.3 TiO of the yellow 0.3 vanadium zirconium of D1 chrome alumina red 1.3 vanadium zirconiums
20.5
Blue 0.3 TiO of the yellow 0.4 vanadium zirconium of D2 chromium aluminium 1.2 vanadium zirconiums
20.5
Blue 0.5333 TiO of the yellow 0.9333 vanadium zirconium of D3 chrome alumina red 2.0667 vanadium zirconiums
20.75
Blue 0.378 TiO of the yellow 0.7 vanadium zirconium of D4 chrome alumina red 1.4667 vanadium zirconiums
20.5.
9. physicochemical property
40～60 hours porcelain powder degree of ball milling is distributed in 0.5～50 μ m, and median particle diameter is 4～6 μ m, and most probable distribution particle diameter is 10～12 μ m, and specific surface area is 1～1.5m
2/ g.The porcelain of the present invention's preparation, compressive strength is 400～500MPa; Microhardness reaches HV350～450MPa; Thermal expansivity reaches 12～15 * 10
-6/ ℃, mate with the Ni-Cr alloy phase.Chemical stability in water and diluted acid diluted alkaline is good, does not weather in oral environment.The present invention's handle screening look porcelain and body porcelain respectively are modulated into the coloring ceramic powder of A, B, 17 color codes of 4 series of C, D, can select for use according to the different color and lusters of people's nature tooth, and color and luster is true to nature attractive in appearance.The painted porcelain of synthetic A, B, C, D4 17 color codes of series, each color code color corresponding with Vita porcelain color board is identical, and with in a series of along with the saturation ratio different colours presents from shallow to deep graded, the same with the gradual change rule of Vita sample.The reflection spectrum analysis revealed, the reflection spectrum curve of the synthetic painted porcelain of the present invention and corresponding Vita porcelain basically identical.
The present invention is raw materials used to be easy to get, and manufacturing step is simple, and the saving of labor is energy-conservation, good physical and chemical properties, and it is complete to match colors, and the clinical making porcelain of Stomatological Department dental case can be provided, and has huge market outlook and economic benefit.
Embodiment
Embodiment
(1). the composition (mass percent) of color masking ceramic agent porcelain powder:
SiO
244.50％ Al
2O
3?17.50％ K
2O?9.80％ Na
2O?4.50％ SnO
2?15.50％
CaO?3.68％ BaO?0.80％ TiO
2?2.00％ B
2O
3?1.28％ MgO?0.44％
(2). the composition (mass percent) of body porcelain bique powder:
SiO
2?60.50％ Al
2O
3?15.38％ K
2O?11.48％ Na
2O?3.00％ CaO?3.54％
BaO?1.50％ TiO
2?2.38％ B
2O
3?1.28％ MgO?0.94％
(3). the preparation of bique powder
Raw material is grinding element by the prescription weigh batching with alumina balls, ball milling 20～30h.Powder is poured in the high alumina crucible, puts the globars electric furnace and is warming up to 1300 ℃ of insulation 3h, takes cold but system cooling of 50 ℃/30min temperature control step melt then.
The porcelain that burns till is pulverized the back in material: ball: the ratio of water=1: 2: 1 is put into the polyethylene jar ball milling 48h that alumina balls are housed, and places 100～120 ℃ of baking ovens to dry, and promptly gets and hides look porcelain and body porcelain bique powder.
(4). the colorant preparation
Batching mass percent and firing condition:
Chrome alumina red Al
2O
347.54 CrO
338.12 ZnO 4.80 H
3BO
39.54 1300 ℃ of 3h
The yellow ZrO of vanadium zirconium
291.00 NaF 3.8 NH
4VO
34.70 Fe
2O
30.50 1030 ℃ of 2h
The red ZrO of ferrozirconium
232 SiO
215.8 NaF 9.5 NaCl 4.7 FeSO
436 KNO
371030 ℃ of 2h
Orange CrO
32.0 ZnO 25.5 ZrO
255 Al (OH)
314 Fe
2O
33.5 1300 ℃ of 3h
The blue ZrO of vanadium zirconium
255 SiO
226 NaF5 NaCl, 6.5 NH
4VO
37.5 1250 ℃ of 2h
Manganese zirconium ash ZrO
263.5 SiO
231 NaF, 2.3 MnO
23.2 1000 ℃ of 2h
Furnace cooling, levigate standby.
(5). hide the series of matching color of look porcelain, add colorant umber, ball milling 20～30h in 100 parts of bique powder
(6). the series of matching color of body porcelain adds colorant umber, ball milling 20～30h in 100 parts of bique powder
Claims (2)
1. the dental ceramic of a series of matching color is characterized in that with the manufacture method of stupalith:
(1). the composition (mass percent) of color masking ceramic agent porcelain powder is
SiO
2?35～45％?Al
2O
3?16～25％?K
2O?9～22％?Na
2O?1～5％?SnO
2?15～18％CaO?3～10％?BaO?0～1％?TiO
2?0～3％?B
2O
3?0～4％?MgO?0～3％；
(2). the composition (mass percent) of body porcelain bique powder is
SiO
2?58～65％?Al
2O
3?15～25％?K
2O?10～25％?Na
2O?1～4％?SnO
2?0～3％CaO?3～8％?BaO?0～2％?TiO
2?2～5％?B
2O
3?0～5％?MgO?0～3％；
(3). raw material are prepared
Each component all adopts chemical pure or analytically pure reagent raw material to introduce, and raw materials used is chemical pure or analytically pure silicon-dioxide, aluminum oxide, salt of wormwood, lime carbonate, barium carbonate, titanium dioxide, tindioxide, yellow soda ash, magnesium oxide and boric acid, raw material is by the prescription weigh batching, with alumina balls is grinding element, ball milling 20～30h;
(4). burn till
Powder is poured in the high alumina crucible, puts to be warming up to 1200～1400 ℃ of insulation 2～4h in the high-temperature electric resistance furnace, to guarantee abundant fusion of each component and reaction, takes 50 ℃/20min～cold but system cooling of 40min temperature control step melt then, to promote the white garnet crystallization;
(5). the grinding of porcelain powder
The porcelain that burns till is a grinding element with alumina balls after pulverizing, and water is medium, puts into plastics or ceramic pot ball milling 40～60h, places 100～200 ℃ of baking ovens to dry, and promptly gets color masking ceramic agent porcelain powder and body porcelain bique powder;
(6). the colorant preparation
Batching mass percent and firing condition:
Chrome alumina red Al
2O
340～60 CrO
330～50 ZnO, 2～8 H
3BO
38～12 1200～1400 ℃ of 1～4h
The yellow ZrO of vanadium zirconium
270～92 NaF, 2～10 NH
4VO
32～10 Fe
2O
30.2～1 900～1150 ℃ of 1～3h
The red ZrO of ferrozirconium
230～40 SiO
210～25 NaF, 6～15 NaCl, 2～10 FeSO
430～50
KNO
3?3～10?900～1150℃?1～3h
Orange CrO
31～3 ZnO, 20～30 ZrO
240～60 Al (OH)
310～20 Fe
2O
32～5
1200～1400℃?2～4h
The blue ZrO of vanadium zirconium
240～60 SiO
220～30 NaF, 3～8 NaCl, 3～10 NH
4VO
35～10
1200～1300℃?1～3h
Manganese zirconium ash ZrO
250～70 SiO
220～50 NaF, 1～5 MnO
22～5 900～1100 ℃ of 1～3h furnace cooling, levigate standby;
(7). hide the series of matching color of look porcelain, add colorant umber, ball milling 20～30h in 100 parts of color masking ceramic agent porcelain powder
A1 chrome alumina red 1.5 vanadium zirconium Huangs 2
A2 chrome alumina red 1.8 vanadium zirconium Huangs 3
A3 vanadium zirconium yellow 3 orange 1
The yellow 3 orange 1 vanadium zirconium indigo plants 0.5 of A3.5 vanadium zirconium
The red 0.75 vanadium zirconium indigo plant 0.5 of yellow 6 ferrozirconiums of A4 vanadium zirconium
B1 vanadium zirconium Huang 2
B2 vanadium zirconium Huang 4
B3 vanadium zirconium yellow 5 orange 1
The yellow 5 orange 1 vanadium zirconium indigo plants 0.5 of B4 vanadium zirconium
The red 0.2 manganese zirconium ash 0.2 of yellow 2 ferrozirconiums of C1 vanadium zirconium
The red 0.5 manganese zirconium ash 0.4 of yellow 5 ferrozirconiums of C2 vanadium zirconium
The red 0.75 manganese zirconium ash 0.5 of yellow 5 ferrozirconiums of C3 vanadium zirconium
The red 0.75 manganese zirconium ash 0.75 of yellow 5 ferrozirconiums of C4 vanadium zirconium
The red 1 vanadium zirconium indigo plant 0.5 of yellow 5 ferrozirconiums of D1 vanadium zirconium
The red 0.75 vanadium zirconium indigo plant 0.5 of yellow 5 ferrozirconiums of D2 vanadium zirconium
The red 0.75 vanadium zirconium indigo plant 1 of yellow 5 ferrozirconiums of D3 vanadium zirconium
The red 0.5 vanadium zirconium indigo plant 0.5 of yellow 5 ferrozirconiums of D4 vanadium zirconium;
(8). the series of matching color of body porcelain adds colorant umber, ball milling 20～30h in 100 parts of body porcelain bique powder
A1 chrome alumina red 1.3667 vanadium zirconium Huangs 0.6333
A2 chrome alumina red 1.6 vanadium zirconium Huangs 0.7
Blue 0.18 TiO of the red 0.1 vanadium zirconium of yellow 0.75 ferrozirconium of A3 vanadium zirconium
20.5
The red 0.16 vanadium zirconium indigo plant 0.32 of yellow 1.44 ferrozirconiums of A3.5 vanadium zirconium
Blue 0.32 TiO of the red 0.2 vanadium zirconium of yellow 1.46 ferrozirconiums of A4 vanadium zirconium
22
Yellow 0.3667 orange 0.2667 TiO of B1 chrome alumina red 1.0667 vanadium zirconiums
20.5
B2 chrome alumina red 1.6333 vanadium zirconiums yellow 0.6 orange 0.7667
Red 0.2 Fe of yellow 0.5 ferrozirconium of B3 vanadium zirconium
2O
31.7 TiO
21
Red 0.1333 Fe of yellow 0.5 ferrozirconium of B4 vanadium zirconium
2O
31 TiO
20.5
The yellow 0.4667 vanadium zirconium indigo plant 0.1333 of C1 chrome alumina red 1.0333 vanadium zirconiums
Blue 0.25 Fe of the red 0.13 vanadium zirconium of yellow 0.643 ferrozirconium of C2 vanadium zirconium
2O
31.8
Blue 0.36 TiO of the red 0.16 vanadium zirconium of yellow 1.46 ferrozirconiums of C3 vanadium zirconium
22
Blue 0.4 TiO of the red 0.2 vanadium zirconium of yellow 1.64 ferrozirconiums of C4 vanadium zirconium
22
Blue 0.3 TiO of the yellow 0.3 vanadium zirconium of D1 chrome alumina red 1.3 vanadium zirconiums
20.5
Blue 0.3 TiO of the yellow 0.4 vanadium zirconium of D2 chrome alumina red 1.2 vanadium zirconiums
20.5
Blue 0.5333 TiO of the yellow 0.9333 vanadium zirconium of D3 chrome alumina red 2.0667 vanadium zirconiums
20.75
Blue 0.378 TiO of the yellow 0.7 vanadium zirconium of D4 chrome alumina red 1.4667 vanadium zirconiums
20.5.
2. the dental ceramic stupalith of the series of matching color that method according to claim 1 makes, it is characterized in that: color masking ceramic agent porcelain powder principal crystalline phase is white garnet and cassiterite crystal, body porcelain bique powder principal crystalline phase is a white garnet, and color masking ceramic agent porcelain powder and body porcelain bique powder respectively add the coloring ceramic powder that corresponding colorant is modulated into A, B, 17 color codes of 4 series of C, D.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410015585 CN1283585C (en) | 2004-03-04 | 2004-03-04 | Ceramic material for series color-combination porcelain used in dentistry and method for preparing same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410015585 CN1283585C (en) | 2004-03-04 | 2004-03-04 | Ceramic material for series color-combination porcelain used in dentistry and method for preparing same |
Publications (2)
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|---|---|
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| CN1283585C true CN1283585C (en) | 2006-11-08 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006049743A1 (en) * | 2006-07-21 | 2008-01-31 | Degudent Gmbh | Dental color system used for dental prosthesis has straight line that extends in parallel to longitudinal axis or base line and respective second straight line connects coordinate of primary colors |
| CN102745979B (en) * | 2012-03-19 | 2014-04-16 | 中国矿业大学 | Method for preparing nano-oxide enhanced dental titanium-porcelain bonding porcelain |
| CN106007690A (en) * | 2016-05-23 | 2016-10-12 | 济南大学 | Preparation method of baked porcelain powder for zirconium oxide crown teeth |
| CN106083007B (en) * | 2016-06-08 | 2017-08-29 | 中山市邦特生物科技有限公司 | Metal-porcelain color masking ceramic agent porcelain powder and preparation method thereof |
| CN108742904B (en) * | 2018-03-12 | 2020-08-07 | 珠海新茂义齿科技有限公司 | Nano porcelain false tooth and manufacturing method thereof |
| CN109363952B (en) * | 2018-11-29 | 2021-08-17 | 成都贝施美生物科技有限公司 | Porcelain powder and preparation method thereof |
| CN114477977B (en) * | 2022-01-25 | 2023-06-06 | 洛阳北苑新材料技术有限公司 | Ternary color-shading porcelain powder for dentistry, preparation method and color matching method |
| CN114455942A (en) * | 2022-02-28 | 2022-05-10 | 洛阳北苑新材料技术有限公司 | Formula and process of opaque body porcelain |
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