CN103789567A - Novel dental high-palladium baked porcelain alloy material as well as preparation method and application thereof - Google Patents
Novel dental high-palladium baked porcelain alloy material as well as preparation method and application thereof Download PDFInfo
- Publication number
- CN103789567A CN103789567A CN201410030697.7A CN201410030697A CN103789567A CN 103789567 A CN103789567 A CN 103789567A CN 201410030697 A CN201410030697 A CN 201410030697A CN 103789567 A CN103789567 A CN 103789567A
- Authority
- CN
- China
- Prior art keywords
- alloy
- palladium
- porcelain
- dental
- novel dental
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Abstract
The invention provides a high-palladium baked porcelain alloy for dental rehabilitation aiming at the disadvantages of the prior art. On the premise of not reducing the alloy performance and the clinical use effect, the high-palladium baked porcelain alloy has a good mechanical property, has very good corrosion resistance and anti-anaphylaxis; the color and the luster are beautiful; the cost is 1/4-1/3 that of a gold alloy.
Description
Technical field
Patent of the present invention relates to a kind of novel dental high palladium porcelain alloy material and preparation method and application thereof.
Background technology
Be introduced into dental prosthetic technique from 20 beginning of the century precision casting technologies, metallic substance just formally enters dental prosthetic field, is still Oral Repair application material at most the most widely so far.
In the process of dental prosthetic alloy development, three factors have affected its clinical application, comprise price, physical and mechanical properties (as Young's modulus, hardness, tensile strength etc.), biocompatibility (corrosion behavior, cytotoxicity etc.).Along with the reach of science and social progress, corrosion behavior wherein more comes into one's own, and becomes the key factor of restriction dental alloy application.Metallic corrosion refers to the physics chemical action between metal and environment, and this effect causes the variation of metallicity, often causes the technical system generating function infringement of metal, environment or its formation.Dental alloy is exposed in variable oral cavity physical environment (temperature, stress), chemical environment (saliva, salt, liquid, medicine etc.), coenocorrelation (being bonded to the bacterial plaque on dummy), and corrosion in various degree all can occur.But the extent of corrosion of various alloys and the harm of human body is differed greatly.The corrosion of dental alloy can cause aesthetic properties and physicals to reduce to, taeniae telarum is carried out biostimulation, even causes the public's fear.Also having there is nichrome baking-ceramic tooth corrosion product and caused the report of systemic adverse reactions in China in 2009, thereby causes patient such material to be repaired to the query of security.
Dental casting alloy can be divided into noble metal casting alloy, semi-precious metal casting alloy, low noble metal alloy and base metal casting alloy according to its bullion content.Bullion content exceed 85% be classified as high precious metal alloys, semi-precious metal bullion content is between 60%～85%, the bullion content of low noble metal casting alloy, between 25%～60%, does not belong to non-noble metal alloy containing precious metal composition.
The high precious metal alloys of dentistry are mainly palau and plation, because of its good castibility, and noble color and luster, excellent erosion resistance and mechanical property and become alloy material the earliest; Base metal is mainly cobalt chromium and nichrome, and alloy is cheap, but exists corrosion-resistant and biocompatibility poor, and patient is to the irritated shortcomings that waits of metal ion; Polarium and palladium-silver alloy bullion content are lower, therefore be called as half noble alloy, alloy is similar to high gold-content alloy at aspects such as physics, machinery, chemical properties, and some performance is also better than au-alloy, and price is only 1/4～1/3 of au-alloy.Compared with non-noble metal alloy, its biocompatibility, corrosion resistance are good, and moderate cost, is therefore considered to the desirable equivalent material of a kind of high noble alloy.
The component of typical case's palladium-silver alloy system is 56.5%～58Pd%, 27%～36Ag%, and 8%～13%In, 0.8%～1.5%Au, 1.5%～3.2%Ga, and other a small amount of functional additive technique elements are as Pt.Along with the increase of palladium content, the corrosion resistance nature of alloy increases, and physiologically acceptable performance improves.Just because of the dental metallic substance including dental palladium-silver porcelain alloy material, security (biocompatibility) and validity (physicals of alloy) are had to unusual technical requirements, therefore China produces and has Argistar43+ palladium-silver alloy (palladium-silver content is respectively 43wt% and 46wt%) except Qinhuangdao Ao Dante scientific & technical corporation introduces up to now, does not set foot in this field without manufacturer.The manufacture such as the Ye Jinyou U.S., Germany, Japan, Switzerland in the world, because offshore company considers for the occupying property to technical confidentiality and market, the palladium-silver alloy using in China market occupies absolute dominant position by the U.S., Germany, Japan, Switzerland etc.The palladium content of these palladium-silver alloys is generally only in about 60wt%, and palladium content exceedes that 75% high palldium alloy product is domestic not to be reported.
Through the literature search to prior art, find that relevant patent has, European patent EP 0904765: the dental alloy (Gold Colored Dental Alloy) of gold look, its weight percentages of components is golden 60-90%, silver 0-20%, palladium 0-7%, copper 0-20%, platinum 0-11%, wherein also contains a small amount of indium, tin, iridium etc.U.S. Pat 3961420: can be used for the modified version au-alloy (Dental restoration combining dental porcelain and improved white gold alloy) that dental ceramic is repaired, its weight percentages of components is golden 50-54%, palladium 27-31%, silver 11-16%, wherein also contains a small amount of indium, tin, iridium etc.Above product price is high, as developing Chinese Consumer's, beyond affordability.In view of this, country is defined as encouraging class developing industry by oral cavity ceramic material, from the autonomous angle of industry, must develop there is the biocompatibility good with human body, the domestic dental palladium-silver porcelain alloy material of excellent property, good looking appearance, break away from long-term absolute dependence to import simultaneously and meet tooth patient the cheapness of enjoying odontotherapy.
Prior art scheme is:
European patent EP 0904765: the dental alloy (Gold Colored Dental Alloy) of gold look, its weight percentages of components is golden 60-90%, silver-colored 0-20%, palladium 0-7%, copper 0-20%, platinum 0-11%, wherein also contains a small amount of indium, tin, iridium etc.
U.S. Pat 3961420: can be used for the modified version au-alloy (Dental restoration combining dental porcelain and improved white gold alloy) that dental ceramic is repaired, its weight percentages of components is golden 50-54%, palladium 27-31%, silver 11-16%, wherein also contains a small amount of indium, tin, iridium etc.
Summary of the invention
Non-noble metal alloy is mainly cobalt chromium and nichrome, and alloy is cheap, but exists corrosion-resistant and biocompatibility poor, and patient is to the irritated shortcomings that waits of metal ion.The price of high golden precious metal alloys is high, as developing Chinese Consumer's, beyond affordability.With alloy phase ratio of the present invention, cost is higher.
Alloy needle of the present invention prior art is existed particularly in deficiency in price, it is not being reduced under the prerequisite of alloy property and clinical result of use, there is good mechanical property, well erosion resistance and antiallergic property, color and luster is attractive in appearance, and cost is only 1/4～1/3 of au-alloy.With base metal metallographic phase ratio, corrosion resistance nature and biocompatibility are splendid.With the contour Precious Metals-Gold symbolic animal of the birth year ratio of au-alloy, mechanical property is more excellent, and corrosion resistance nature and biocompatibility approach, but have obvious price advantage.
The technical solution adopted in the present invention is:
The high palladium porcelain alloy of a kind of novel dental material, is characterized in that comprising following component: palladium (Pd) 75～80%, silver (Ag) 9～13%, gold (Au) 0～1%, platinum (Pt) 0.5～1.0%, indium (In) 8～12%, gallium (Ga) 1～2%.
Further, the high palladium porcelain alloy of described novel dental material, it is characterized in that this alloy material Non-proportional extension intensity > 500MPa, approximately 41.0～60.8MPa of gold porcelain bonding strength, elastic modulus G reatT.GreaT.GT 106.3MPa, unit elongation > 4%.
Further, the method for the high palladium porcelain alloy of described novel dental material, is characterized in that, according to said ratio batching, then batching is cut into metal fragment, evenly mixes and is placed on melting in WS-4 non-consumable vacuum melting furnace.Carry out successively pre-degasification, high pressure vacuum degasification, and then use high purity argon gas washing to process 2 times, set afterwards melting condition, described melting condition is: current parameters 100～290A, voltage parameter 220V, vacuum tightness 5 × 10
-3pa.After being smelted into ingot shape, overturn, melt back 4 times, takes out after naturally cooling, and final rolling is into about the rectangular parallelepiped of 1g.
Further, the application of the described high palladium porcelain alloy of a kind of novel dental material, is characterized in that: this material can be used for metal crown and the bridge that PFM that dental fixed and repaired uses and bridge and oral cavity fixed and repaired are used.
Beneficial effect:
1. price is low: the palladium-silver alloy after adjusting and the alloy phase ratio of background technology, gold/platinum content drops to 1.0～2% by 50～90%.This kind of high palldium alloy is than the prices of au-alloy 2/3 left and right.
2. there is good mechanical property.Non-proportional extension intensity > 500MPa, gold porcelain bonding strength 41.0～60.8MPa, elastic modulus G reatT.GreaT.GT 106.3MPa, unit elongation > 4%, the mechanical property of the high palldium alloy of the present invention stipulates (the 4th class superstrength alloy in ADA (ADA) standard, be σ 0.2=450MPa at sclerosis state lower yield strength, unit elongation is σ=3%) requirement.
3. there is good corrosion resistance nature.After the content of palladium exceedes 75%, be just called high palldium alloy, its corrosion resistance nature is similar to au-alloy precious metal, and pi of strength is better than au-alloy.
4. through vacuum melting and vacuum casting, obtain the high palladium casting of the high dental of metal purity porcelain alloy.
Embodiment
Below in conjunction with specific embodiment, further set forth the present invention.
The high palladium porcelain alloy of a kind of novel dental material, is characterized in that comprising following component: palladium (Pd) 75～80%, silver (Ag) 9～13%, gold (Au) 0～1%, platinum (Pt) 0.5～1.0%, indium (In) 8～12%, gallium (Ga) 1～2%.
This alloy material Non-proportional extension intensity > 500MPa, approximately 41.0～60.8MPa of golden porcelain bonding strength, elastic modulus G reatT.GreaT.GT 106.3MPa, unit elongation > 4%.
According to said ratio batching, then batching is cut into metal fragment, evenly mix and be placed on melting in WS-4 non-consumable vacuum melting furnace.Carry out successively pre-degasification, high pressure vacuum degasification, and then use high purity argon gas washing to process 2 times, set afterwards melting condition, described melting condition is: current parameters 100～290A, voltage parameter 220V, vacuum tightness 5 × 10
-3pa.After being smelted into ingot shape, overturn, melt back 4 times, takes out after naturally cooling, and final rolling can be used for into about this material of rectangular parallelepiped of 1g metal crown and the bridge that PFM that dental fixed and repaired uses and bridge and oral cavity fixed and repaired are used.
Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Claims (4)
1. the high palladium porcelain alloy of a novel dental material, is characterized in that comprising following component: palladium (Pd) 75～80%, silver (Ag) 9～13%, gold (Au) 0～1%, platinum (Pt) 0.5～1.0%, indium (In) 8～12%, gallium (Ga) 1～2%.
2. the high palladium porcelain alloy of a kind of novel dental as claimed in claim 1 material, it is characterized in that this alloy material Non-proportional extension intensity > 500MPa, approximately 41.0～60.8MPa of gold porcelain bonding strength, elastic modulus G reatT.GreaT.GT 106.3MPa, unit elongation > 4%.
3. a method of preparing the high palladium porcelain alloy of a kind of novel dental material as described in claim 1-2, is characterized in that, according to said ratio batching, then batching is cut into metal fragment, evenly mixes and is placed on melting in WS-4 non-consumable vacuum melting furnace; Carry out successively pre-degasification, high pressure vacuum degasification, and then use high purity argon gas washing to process 2 times, set afterwards melting condition, described melting condition is: current parameters 100～290A, voltage parameter 220V, vacuum tightness 5 × 10
-3pa; After being smelted into ingot shape, overturn, melt back 4 times, takes out after naturally cooling, and final rolling is into about the rectangular parallelepiped of 1g.
4. the application of the high palladium porcelain alloy of a kind of novel dental material as described in claim 1-2, is characterized in that: this material can be used for metal crown and the bridge that PFM that dental fixed and repaired uses and bridge and oral cavity fixed and repaired are used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410030697.7A CN103789567B (en) | 2014-01-22 | 2014-01-22 | A kind of dentistry height palladium porcelain alloy material and preparation method and applications |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410030697.7A CN103789567B (en) | 2014-01-22 | 2014-01-22 | A kind of dentistry height palladium porcelain alloy material and preparation method and applications |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103789567A true CN103789567A (en) | 2014-05-14 |
| CN103789567B CN103789567B (en) | 2016-09-21 |
Family
ID=50665618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410030697.7A Expired - Fee Related CN103789567B (en) | 2014-01-22 | 2014-01-22 | A kind of dentistry height palladium porcelain alloy material and preparation method and applications |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103789567B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3830666A1 (en) * | 1988-09-09 | 1990-03-22 | Hafner C Gmbh & Co | Palladium basic alloys |
| US5174954A (en) * | 1991-03-01 | 1992-12-29 | Ivoclar N.A. | Palladium alloys for dental implant restorations |
| US5431875A (en) * | 1994-05-02 | 1995-07-11 | The J. M. Ney Company | Dental alloy producing light oxides |
| WO2010123488A1 (en) * | 2009-04-20 | 2010-10-28 | The Argen Corporation | Pd-ag-ga dental alloys with internal oxidation characteristics |
| CN103205594A (en) * | 2013-05-07 | 2013-07-17 | 四川奇和贵金属有限公司 | Palladium-silver alloy material for dental department |
-
2014
- 2014-01-22 CN CN201410030697.7A patent/CN103789567B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3830666A1 (en) * | 1988-09-09 | 1990-03-22 | Hafner C Gmbh & Co | Palladium basic alloys |
| US5174954A (en) * | 1991-03-01 | 1992-12-29 | Ivoclar N.A. | Palladium alloys for dental implant restorations |
| US5431875A (en) * | 1994-05-02 | 1995-07-11 | The J. M. Ney Company | Dental alloy producing light oxides |
| WO2010123488A1 (en) * | 2009-04-20 | 2010-10-28 | The Argen Corporation | Pd-ag-ga dental alloys with internal oxidation characteristics |
| CN103205594A (en) * | 2013-05-07 | 2013-07-17 | 四川奇和贵金属有限公司 | Palladium-silver alloy material for dental department |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103789567B (en) | 2016-09-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3134671A (en) | Noble metals alloy containing gallium | |
| JPH04246140A (en) | Yellow dental alloy of high gold content | |
| JPS6312928B2 (en) | ||
| CN103205594B (en) | Palladium-silver alloy material for dental department | |
| CN103789567A (en) | Novel dental high-palladium baked porcelain alloy material as well as preparation method and application thereof | |
| JP2000192170A (en) | Low karat corrosion resistant gold alloy in which cast skin of cast body is not blackened and gold collor is enhanced | |
| CN105483499A (en) | Joint coating material used for manufacturing metal ornaments and metal ornament material | |
| CN105154720A (en) | Co-Cr denture alloy material and preparing method thereof | |
| CN108796287A (en) | A kind of jewellery hydrogen sulfide corrosion-resistant and the silver alloy with excellent die casting performance | |
| CN102517470A (en) | Novel rhotanium and preparation method thereof | |
| KR102234078B1 (en) | Method for producing palladium-containing white gold alloy | |
| CN105603241A (en) | Palladium-based alloy | |
| KR101829711B1 (en) | Copper Alloy For Detal Prosthesis | |
| KR101480611B1 (en) | Prosthetic dentistry alloy | |
| CN100336926C (en) | Semi-noble metal casing alloy for mouth repairing | |
| CN104342571B (en) | The formula of a kind of cyan k gold and preparation method | |
| CN101497949A (en) | Corrosion resistant anti-tarnishing silver alloy and preparation thereof | |
| JPS6050857B2 (en) | A low-karat corrosion-resistant gold alloy that does not cause blackening of the casting surface. | |
| KR101181491B1 (en) | Alloy composite for dental prosthesis and manufacturing method for dental prosthesis | |
| CN103290267B (en) | The making method of dental nickel-chromium porcelain alloy disc material | |
| CN101435040A (en) | Nickel base alloy for dental porcelain | |
| KR20180010120A (en) | An alloy of semiprecious metal for dental casting | |
| JP3981872B2 (en) | High corrosion resistance low carat gold alloy with improved mechanical properties by adding cobalt | |
| JPS6220849A (en) | Palladium alloy for baking dental ceramic | |
| CN108624774A (en) | One kind having violet appearance and corrosion-resistant jewellery silver alloy and its processing technology |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20210122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |