CN103589909A - Silver-contained titanium alloy material for dental department - Google Patents
Silver-contained titanium alloy material for dental department Download PDFInfo
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- CN103589909A CN103589909A CN201310599663.5A CN201310599663A CN103589909A CN 103589909 A CN103589909 A CN 103589909A CN 201310599663 A CN201310599663 A CN 201310599663A CN 103589909 A CN103589909 A CN 103589909A
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Abstract
The invention belongs to the technical field of new medical materials, and in particular relates to a silver-contained titanium alloy material for the dental department. The silver-contained titanium alloy material is Ti-Zr-Cu-M-Ag alloy which comprises the following components in percentage by weight: 5-15% of Zr, 1-5% of Cu, 0.05-0.5% of a microelement M, 0.01-0.2% of Ag and the balance of Ti; the microelement M is one or more of three elements of lithium, rare earth element lanthanum and cerium; the specific matching is regulated according to the material performance; the phase structure consists of a main phase alpha and fewer phases beta. Besides higher hardness and tensile strength, the silver-contained titanium alloy material also has better biocompatibility to join teeth with bones and gingival epitheliums rigidly and stably.
Description
Technical field
The invention belongs to medical science new material technology field, be specifically related to a kind of titanium alloy material used in dentistry of argentiferous, be mainly used in clinical Oral Repair, plantation etc.
Background technology
According to statistics, periodontopathy, carious tooth, denture is uneven is three the most general large odontopathy of current China, the various sequela of these three kinds of odontopathy, are also perplexing people as tooth defect, gum swelling pain, exodontia, have 90% people to suffer from gingivitis and periodontitis in various degree.Past is due to the restriction of the level of economic development and oral hygiene idea, consciousness, and compatriots obviously fall behind early treatment and preventative-therapeutic understanding and degree of cooperation more developed country.In recent years, along with people's living standard improves, the enhancing of patient treatment consciousness, the clinical and scientific research of the dentistry of China has all obtained unprecedented development, and dental material has also obtained developing rapidly.
Dental material mainly contains au-alloy, Ni-Cr alloy, Co-Cr alloy, stainless steel etc.The price of au-alloy and limits of color its application.Ni-Cr alloy, Co-Cr alloy, stainless steel all contain the harmful elements such as Ni, Co, Cr, are therefore eliminated gradually.Compare with these materials, titanium or titanium alloy density is little, specific tenacity is high, has fabulous biocompatibility and erosion resistance.In view of these advantages, the developed country's application of titanium Oral Repair that just begin one's study from the eighties in 20th century, in recent years, dental titanium alloy obtains tremendous development, know Q+B Type Titanium Alloy T16A14V, T16A17Nb and T15A12. 5Fe, but containing cytotoxin element and higher Young's modulus, be eliminated gradually in these alloys.Containing cytotoxin element, the titanium alloy with lower Young's modulus, by people, do not favored gradually.As T113Nb13 2r, T115Mo and the T115M03Nb of the U.S., T129Nb13Ta4. 62r, T129Nb13Ta4Mo, T129Nb13Ta2Sn and the T129Nb13Ta6Sn of Japanology.And the domestic patent that is 02144726.8 as application number provides a kind of Novel mouth titanium alloy of making artificial tooth, the patent that application number is 200410020500.8 provides a kind of gear division biological medical titanium alloy, has lower Young's modulus etc.But these cost of alloy too high (as adding of Ta element), and be difficult to the shortcoming that overcomes solidity to corrosion and wear no resistance, in addition, adding of the refractory metal such as Mo, Nb, will increase smelting difficulty, easily make alloying constituent inhomogeneous, its universal and popularization in dentistry is very restricted.
The patent that number of patent application is 200910216430.6 provides a kind of titanium alloy material used in dentistry, and this titanium alloy material has good hardness and ultimate compression strength, but this alloy material is when implanting, and between bone and gum epithelium, engages solid not stablizing.
Summary of the invention
In order to solve above-mentioned technical problem, the invention provides a kind of titanium alloy material used in dentistry of argentiferous, the titanium alloy material used in dentistry of this argentiferous is except having good hardness and ultimate compression strength, also have good biocompatibility, can make tooth with bone and gum epithelium between engage solid stable.
The present invention realizes by following technical scheme:
A kind of titanium alloy material used in dentistry of argentiferous, it is Ti-Zr-Cu-M-Ag alloy, alloying constituent comprise titanium, zirconium, copper,, trace element and silver-colored, the weight percent of Zr is 5～15%, the weight percent of Cu is 1～5%, the weight percent that the weight percent of trace element M is 0.05～0.5%, Ag is 0.01～0.2%, Ti surplus; Included micro-M is one or more of lithium, rare-earth elements of lanthanum, three kinds of elements of cerium, and concrete coupling regulates according to material property; Its phase structure is principal phase α and a small amount of β phase.
In the titanium alloy material used in dentistry of above-mentioned argentiferous, the weight percent of described Zr is 8～12%.
In the titanium alloy material used in dentistry of above-mentioned argentiferous, the weight percent of described Zr is 10%.
In the titanium alloy material used in dentistry of above-mentioned argentiferous, the weight percent of described Cu is 2～4%.
In the titanium alloy material used in dentistry of above-mentioned argentiferous, the weight percent of described Cu is 3%.
In the titanium alloy material used in dentistry of above-mentioned argentiferous, the weight percent of described micro-M is 0.1～0.4%.
In the titanium alloy material used in dentistry of above-mentioned argentiferous, the weight percent of described micro-M is 0.25%.
In the titanium alloy material used in dentistry of above-mentioned argentiferous, the weight percent of described Ag is 0.05～0.15%.
In the titanium alloy material used in dentistry of above-mentioned argentiferous, the weight percent of described Ag is 0.1%.
The manufacture craft process of dental titanium alloy provided by the invention is: batching-charging-melting-casting.
First titanium sponge, zirconium sponge, copper, lithium, silver are put into vacuum permanent electrode water jacketed copper crucible electric arc furnace, burner hearth is evacuated to l0
-3pa, then inputs that high purity inert gas carries out once or flushing repeatedly for several times.During energising melting, between striking termination on tungsten electrode head negative electrode and water jacketed copper crucible anode, electrion produces electric arc, discharges huge heat, and metal is melted at short notice, the ingot overturning melting is carried out to the homogeneity that remelting guarantees its composition five times, direct casting after melting.
Dental titanium alloy provided by the invention is mainly α phase, containing a small amount of B phase, has good solidity to corrosion, compares with beta titanium alloy, has better wear resistance, is applicable in dental prosthetic.Add β eutectoid element Cu can stablize a certain amount of β to room temperature, the alloy grain of energy refinement simultaneously, plays refined crystalline strengthening effect, make alloy keep higher intensity and plasticity, improve Wear Resistance, and, the Ti separating out, Cu solid particles also can effectively improve wear resistance.Zr belongs to neutral element, can reduce foudry line shrinking percentage, and reinforced alloys mechanical property, improves welding property, and good biocompatibility.A small amount of Ag adds the biocompatibility that can increase this dental material, reduces the micro-infection between tooth and gum epithelium, makes to engage more solid stablizing between the tooth implanted and gum epithelium.
Compare with domestic and international existing dental titanium alloy, there is following obvious advantage:
1, with at present clinical extensively on the T16A14V alloy phase ratio of institute's widespread use, avoided adding of poisonous element.Avoid adding of the precious metals such as tantalum, niobium simultaneously, controlled cost of alloy;
2, alloy casting is functional, and casting surface is smooth, and under molten state, its viscosity is significantly less than pure titanium;
3, alloy compressive strength is up to 1300MPa to 2000MPa;
4, wear resistance is better than existing dental titanium alloy.
5, this alloy biocompatibility is better, this alloy material has good bacteria resistance function, can suppress the bacterium between tooth and gum epithelium, reduce the micro-infection between tooth and gum epithelium, make to engage more solid stablizing between the tooth implanted and gum epithelium.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described, so that those skilled in the art more understands the present invention, but does not therefore limit the present invention.
Embodiment 1
1. prepare burden
Zirconium sponge 50g
Copper 10g
Lithium 0.5g
Silver 0.1g
Titanium sponge surplus
Gross weight: 1000g
2. melting
First titanium sponge, zirconium sponge, copper, lithium, silver are put into vacuum permanent electrode water jacketed copper crucible electric arc furnace, burner hearth is evacuated to l0
-3pa, then inputs that high purity inert gas carries out once or flushing repeatedly for several times.During energising melting, between striking termination on tungsten electrode head negative electrode and water jacketed copper crucible anode, electrion produces electric arc, discharges huge heat, and metal is melted at short notice, the ingot overturning melting is carried out to the homogeneity that remelting guarantees its composition five times, direct casting after melting.
3. the titanium alloy the key technical indexes that prepared by the present embodiment:
This alloy rigidity: HV=249 compressive strength: 1372MPa density: 4.71g/cm
3.
Embodiment 2:
1. prepare burden
Zirconium sponge 120g
Copper 40g
Lanthanum 4g
Silver 1.5g
Titanium sponge surplus
Gross weight: 1000g
2. melting method is with embodiment 1.
3. the titanium alloy the key technical indexes that prepared by the present embodiment:
This alloy rigidity: HV=310 compressive strength: 1835MPa density: 4.89 g/cm
3.
Embodiment 3:
1. prepare burden
Zirconium sponge 100g
Copper 30g
Cerium 2.5g
Silver 1g
Titanium sponge surplus
Gross weight: 1000g
2. melting method is with embodiment 1.
3. the titanium alloy the key technical indexes that prepared by the present embodiment:
This alloy rigidity: HV=325, compressive strength: 1976MPa, density: 4.85g/cm
3.
Embodiment 4:
1. prepare burden
Zirconium sponge 80g
Copper 20g
Lithium 1g
Silver 0.5g
Titanium sponge surplus
Gross weight: 1000g
2. the same EXAMPLE l of melting method.
3. the titanium alloy the key technical indexes that prepared by the present embodiment:
This alloy rigidity: HV=271, compressive strength: 1439MPa, density: 4.59g/cm
3.
Embodiment 5:
1. prepare burden
Zirconium sponge 50g
Copper 10g
Cerium 0.05g
Silver 0.1g
Titanium sponge surplus
Gross weight: 1000g
2. the same EXAMPLE l of melting method.
3. the titanium alloy the key technical indexes that prepared by the present embodiment:
This alloy rigidity: HV=245, compressive strength: 1351MPa, density: 4.66 g/cm
3.
Claims (9)
1. the titanium alloy material used in dentistry of an argentiferous, it is characterized in that, it is Ti-Zr-Cu-M-Ag alloy, alloying constituent comprise titanium, zirconium, copper,, trace element and silver-colored, the weight percent of Zr is that the weight percent of 5～15%, Cu is 1～5%, and the weight percent of micro-M is 0.05～0.5%, the weight percent of Ag is 0.01～0.2%, Ti surplus; Included micro-M is one or more of lithium, rare-earth elements of lanthanum, three kinds of elements of cerium, and concrete coupling regulates according to material property; Its phase structure is principal phase α and a small amount of β phase.
2. the titanium alloy material used in dentistry of argentiferous according to claim 1, is characterized in that, the weight percent of described Zr is 8～12%.
3. the titanium alloy material used in dentistry of argentiferous according to claim 2, is characterized in that, the weight percent of described Zr is 10%.
4. the titanium alloy material used in dentistry of argentiferous according to claim 1, is characterized in that, the weight percent of described Cu is 2～4%.
5. the titanium alloy material used in dentistry of argentiferous according to claim 4, is characterized in that, the weight percent of described Cu is 3%.
6. the titanium alloy material used in dentistry of argentiferous according to claim 1, is characterized in that, the weight percent of described micro-M is 0.1～0.4%.
7. the titanium alloy material used in dentistry of argentiferous according to claim 1, is characterized in that, the weight percent of described micro-M is 0.25%.
8. the titanium alloy material used in dentistry of argentiferous according to claim 1, is characterized in that, the weight percent of described Ag is 0.05～0.15%.
9. the titanium alloy material used in dentistry of argentiferous according to claim 1, is characterized in that, the weight percent of described Ag is 0.1%.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319284A (en) * | 2014-11-10 | 2017-01-11 | 蒋春花 | Ceramic-tooth-used composite high in hardness and capable of inhibiting bacteria |
| CN107630151A (en) * | 2016-07-18 | 2018-01-26 | 中国科学院金属研究所 | A kind of new type beta type titanium alloy with antibacterial and promotion knitting function |
| CN109112438A (en) * | 2018-09-12 | 2019-01-01 | 佛山市佛冠义齿有限公司 | A kind of titanium alloy composite dental material and preparation method thereof |
| WO2020238219A1 (en) * | 2019-05-29 | 2020-12-03 | 中国科学院金属研究所 | Implant-specific medical titanium alloy achieving immediate implant placement and preparation method for implant-specific medical titanium alloy |
| CN112195366A (en) * | 2020-09-29 | 2021-01-08 | 中国科学院金属研究所 | High-thermal-stability equiaxial nanocrystalline Ti-Zr-Ag alloy and preparation method thereof |
| CN112251644A (en) * | 2020-09-29 | 2021-01-22 | 中国科学院金属研究所 | High-thermal-stability equiaxial nanocrystalline Ti6Al4V-Ag alloy and preparation method thereof |
| CN114592143A (en) * | 2022-03-04 | 2022-06-07 | 北京航空航天大学 | TiZrCuAg antibacterial alloy and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705390A (en) * | 2009-12-01 | 2010-05-12 | 四川大学 | Titanium alloy material used in dentistry |
| CN101988166A (en) * | 2010-11-18 | 2011-03-23 | 哈尔滨工程大学 | TiNiAg memory alloy with antibacterial function and preparation method thereof |
-
2013
- 2013-11-25 CN CN201310599663.5A patent/CN103589909A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101705390A (en) * | 2009-12-01 | 2010-05-12 | 四川大学 | Titanium alloy material used in dentistry |
| CN101988166A (en) * | 2010-11-18 | 2011-03-23 | 哈尔滨工程大学 | TiNiAg memory alloy with antibacterial function and preparation method thereof |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319284A (en) * | 2014-11-10 | 2017-01-11 | 蒋春花 | Ceramic-tooth-used composite high in hardness and capable of inhibiting bacteria |
| CN107630151A (en) * | 2016-07-18 | 2018-01-26 | 中国科学院金属研究所 | A kind of new type beta type titanium alloy with antibacterial and promotion knitting function |
| CN107630151B (en) * | 2016-07-18 | 2019-12-03 | 中国科学院金属研究所 | A kind of beta titanium alloy with antibacterial and promotion knitting function |
| CN109112438A (en) * | 2018-09-12 | 2019-01-01 | 佛山市佛冠义齿有限公司 | A kind of titanium alloy composite dental material and preparation method thereof |
| WO2020238219A1 (en) * | 2019-05-29 | 2020-12-03 | 中国科学院金属研究所 | Implant-specific medical titanium alloy achieving immediate implant placement and preparation method for implant-specific medical titanium alloy |
| CN112195366A (en) * | 2020-09-29 | 2021-01-08 | 中国科学院金属研究所 | High-thermal-stability equiaxial nanocrystalline Ti-Zr-Ag alloy and preparation method thereof |
| CN112251644A (en) * | 2020-09-29 | 2021-01-22 | 中国科学院金属研究所 | High-thermal-stability equiaxial nanocrystalline Ti6Al4V-Ag alloy and preparation method thereof |
| CN112195366B (en) * | 2020-09-29 | 2022-02-15 | 中国科学院金属研究所 | High-thermal-stability equiaxial nanocrystalline Ti-Zr-Ag alloy and preparation method thereof |
| CN112251644B (en) * | 2020-09-29 | 2022-05-31 | 中国科学院金属研究所 | High-thermal-stability equiaxial nanocrystalline Ti6Al4V-Ag alloy and preparation method thereof |
| CN114592143A (en) * | 2022-03-04 | 2022-06-07 | 北京航空航天大学 | TiZrCuAg antibacterial alloy and preparation method and application thereof |
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Application publication date: 20140219 |