WO2011046274A1 - 캐드/캠시스템에 의한 기계가공용 치과용 합금 - Google Patents
캐드/캠시스템에 의한 기계가공용 치과용 합금 Download PDFInfo
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- WO2011046274A1 WO2011046274A1 PCT/KR2010/001961 KR2010001961W WO2011046274A1 WO 2011046274 A1 WO2011046274 A1 WO 2011046274A1 KR 2010001961 W KR2010001961 W KR 2010001961W WO 2011046274 A1 WO2011046274 A1 WO 2011046274A1
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- alloy
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- machining
- dental
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/08—Artificial teeth; Making same
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0004—Computer-assisted sizing or machining of dental prostheses
-
- 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
Definitions
- the present invention relates to a dental alloy, and more particularly to a dental alloy for machining by a CAD / CAM system having a low manufacturing cost and excellent machinability, which is different from a conventional casting dental alloy.
- Dental alloys used in the field of dental prosthetics can be divided into noble metal alloys and non-noble metal alloys by their components, and can be divided into casting and metal-ceramic applications.
- Precious metal alloys mainly composed of gold are chemically stable in the oral cavity, corrosion resistance, discoloration resistance, etc., and are excellent in casting suitability, have a characteristic color and luster of gold, and do not wear clam. Since the main component is expensive, there is a disadvantage.
- non-noble metal alloys are widely used in equipment and appliances, and among them, casting Co-Cr and Ni-Cr alloys have been used as a framework for local denture for a long time, and metal-ceramic restorations as a substitute for gold alloy It is used for.
- materials most commonly used to repair missing teeth in the dental prosthetic field include dental precious metal alloys mainly composed of gold (Au), platinum (Pt), and palladium (Pd), and Co-Cr and Ni-Cr.
- It is a dental non-noble metal alloy which is a main ingredient, and aims at restoring the function of damaged or missing teeth, and gives patients aesthetic effect and functional effect of natural teeth.
- the dental alloy is an indispensable material in the field of dental prosthetics for restoring deleted teeth, and is applied in the production of brass, dentures and removable prostheses, and metal coping in the manufacture of metal-ceramic prostheses that maximizes aesthetic effect. Used as a manufacturing material.
- a dental prosthesis is generally made by a traditional precision casting method by manual labor in a dental laboratory, which has the disadvantage that the process is complicated and labor costs are large.
- casting defects may occur, and casting shrinkage may occur due to incompatibility with wax and investment materials, which are lead and casting materials.
- the restoration is relatively larger than the restoration of natural teeth, and the cast body is thick and the amount of metal is required.
- the metal is more likely to overheat during the process of dissolving a large amount uniformly, and the thick portion or surface of the casting contains defects such as small holes that cause discoloration and corrosion, thereby forming a homogeneous cast. Is inhibited.
- CAD / CAM Cumputer Aided Design / Cumputer Aided Manufacturing
- a ceramic material such as zirconia is conventionally used for processing by a CAD / CAM system, but a dental alloy material is not used.
- dental alloy In order to use dental alloy for processing by CAD / CAM system, it is inexpensive and excellent in processability while maintaining the physical properties of dental alloy such as biocompatibility, corrosion resistance and discoloration resistance of existing casting alloy. This is because alloy materials for this purpose have not yet been developed.
- the present invention has lower manufacturing cost than conventional dental alloys and maintains the physical properties necessary for use in dental applications such as corrosion resistance, discoloration resistance, biocompatibility, etc. of conventional dental alloys, and is a conventional alloy manufacturing process.
- the purpose of the present invention is to provide a dental alloy for machining by a CAD / CAM system that can shorten the manufacturing process and produce a prosthesis in an accurate shape.
- the present invention is 0.1 to 5.0% by weight of gold (Au), 30 to 50% by weight of palladium (Pd), 25 to 50% by weight of indium (In), 10 to 40% by weight of silver (Ag), iridium (Ir) Provides a dental alloy for machining by CAD / CAM system containing 0.1 to 0.3% by weight.
- Dental alloy according to the present invention is equivalent to the difference in gold content compared to the existing casting alloy because the composition of the gold is 0.1 to 5.0% by weight compared to the casting dental alloy of 40 to 99% by weight of conventional gold composition
- Dental alloys can be provided at a low manufacturing cost, and also, dental alloys for machining by CAD / CAM systems having a processability equivalent to zirconia that can be manufactured by machining by CAD / CAM systems in the related art. This has the effect of being provided.
- Figure 1 (a) is a photograph showing a state observed by using a scanning electron microscope (SEM) to the surface by vertically cutting the prosthesis produced by the casting method using a conventional dental alloy.
- SEM scanning electron microscope
- Figure 1 (b) is a scanning electron microscope (SEM) to cut the surface by vertically cutting the prosthesis produced by CAD / CAM machine machining using a dental alloy for machining by a CAD / CAM system according to the present invention The photo shows the state observed using).
- SEM scanning electron microscope
- Figure 2 (c) is a photograph showing a state of observing the surface using a metal microscope by vertically cutting the prosthesis produced by the casting method using a conventional dental alloy.
- Figure 2 (d) is a vertical cutting of the prosthesis produced by the CAD / CAM machine machining using the dental alloy for machining by the CAD / CAM system according to the present invention to observe the state of the surface using a metal microscope The picture shown.
- Dental alloy for machining by CAD / CAM system is 0.1 to 5.0% by weight of gold (Au), 0 to 5.0% by weight of platinum (Pt), 30 to 50 weight of palladium (Pd) %, 25 to 50% by weight of indium (In), 10 to 40% by weight of silver (Ag), iridium (Ir) may comprise 0.1 to 0.3% by weight, and can be used in the manufacture of a variety of fixed structures and upper structures for implants Can be.
- the dental alloy for machining by the CAD / CAM system according to the second embodiment according to the present invention is 0.1 to 5.0% by weight of gold (Au), 0 to 5.0% by weight of platinum (Pt), Palladium (Pd) 30 ⁇ 50 wt%, 25 to 50 wt% of indium (In), 10 to 40 wt% of silver (Ag), 0.1 to 0.3 wt% of iridium (Ir), and zinc (Zn) may be configured to include 0.01 to 2.5 wt%. It can be used to make upper structures for various fixed restorations and implants.
- the dental alloy for machining by the CAD / CAM system according to the third embodiment according to the present invention is 0.1 to 5.0% by weight of gold (Au), 0 to 5.0% by weight of platinum (Pt), Palladium (Pd) 30 ⁇ 50 wt%, 25 to 50 wt% of indium (In), 10 to 40 wt% of silver (Ag), 0.1 to 0.3 wt% of iridium (Ir), and cobalt (Co) may be configured to include 0.1 to 1.0 wt%. And various metal-ceramic restorations.
- the dental alloy for machining by the CAD / CAM system according to the fourth embodiment according to the present invention is 0.1 to 5.0% by weight of gold (Au), 0 to 5.0% by weight of platinum (Pt), Palladium (Pd) 30 ⁇ 50 wt%, 25-50 wt% of indium (In), 10-40 wt% of silver (Ag), 0.1-0.3 wt% of iridium (Ir), 0.1-1.0 wt% of cobalt (Co), 0.01-1.0 wt% of zinc (Zn) It may comprise 2.5% by weight, and may be used to make various metal-ceramic restorations.
- the dental alloy composition for machining by the CAD / CAM system is made of palladium-indium-silver, which is a metal that is already used in the existing casting alloy, to minimize the content of gold and platinum. While maintaining a ratio of palladium and indium to maintain a golden color with an alloy of a small amount of iridium was added, varying the content of silver to 0 ⁇ 40wt%. The alloy was designed according to the amount of silver added, using the alloy without silver as a control. The alloy composition is shown in Table 1.
- the dental alloy composition for machining by the CAD / CAM system according to the second embodiment of the present invention has a minimum content of gold and platinum based on palladium-indium-silver, which is a metal already used in the existing casting alloy. While maintaining a ratio of palladium and indium to maintain a golden color in the alloy with a small amount of zinc and iridium, the content of silver was added to 0 ⁇ 40wt%, zinc was changed to 0.2 ⁇ 2wt%. Using the alloy without silver as a control, the alloy was designed according to the amount of silver and zinc added. The alloy composition is shown in Table 2.
- the dental alloy composition for machining by the CAD / CAM system according to the third embodiment of the present invention has a minimum content of gold and platinum based on palladium-indium-silver, which is a metal already used in the existing casting alloy. While a small amount of iridium is added to the alloy to maintain the ratio of palladium and indium for the golden color, the content of silver was added to change from 0 to 40wt%. In addition, in order to increase the cohesion with the ceramic material, cobalt was changed to 0 to 0.9wt% and added to the alloy without cobalt as a control, and the alloy was designed according to the addition amount of silver and cobalt.
- the alloy composition is shown in Table 3.
- the dental alloy composition for machining by the CAD / CAM system according to the fourth embodiment of the present invention has a minimum content of gold and platinum based on palladium-indium-silver, which is a metal already used in the existing casting alloy. While a small amount of zinc and iridium were added, the ratio of palladium and indium for the golden color was maintained, and the content of silver was changed to 0 to 40 wt% and zinc was added to 0.2 to 2 wt%. In addition, in order to increase the cohesion with ceramic materials, cobalt was changed to 0 to 0.9wt% and added to the alloy without cobalt as a control, and the alloy was designed according to the addition amount of silver, cobalt and zinc. Alloy composition is shown in Table 4.
- the raw material used in the alloy is a raw material with a purity of 99.9% or more to minimize the influence of trace elements. Melting was carried out using a conventional high frequency induction melting furnace (Vacuum Induction melting furnace). In other words, the raw material is charged into the melting furnace, and the inside of the melting apparatus is evacuated to 5.0 ⁇ 10 -5 torr to prevent oxygen and impurities inside the melting apparatus from affecting the alloy during melting. After filling in, dissolution is carried out.
- a conventional high frequency induction melting furnace Vauum Induction melting furnace
- melt-cast alloy In order to solve the non-uniformity and stress relief of the melt-cast alloy, it is charged into an electric furnace (heat furnace) and then heat treated at 800 ° C. for 1 hour.
- Heat-treated ingot is cut to a suitable size using a cutting machine (Cutting machine) for CAD / CAM processing to manufacture the ingot block.
- Cutting machine CAD / CAM processing
- the cut ingot blocks are installed on an mill-milling machine, which is part of the CAD / CAM system, and the prosthesis model to be manufactured is scanned by the scanner.
- the scanned data and processing conditions were adjusted and entered into a computer that is part of the CAD / CAM system, followed by roughing, finishing and finishing.
- ⁇ Table 5> shows the hardness measurement results of the alloy of the first embodiment
- ⁇ Table 6> shows the hardness measurement results of the alloy of the second embodiment
- ⁇ Table 7> shows the hardness measurement results of the alloy of the third embodiment
- ⁇ Table 8> shows the hardness measurement results of the alloy of the fourth embodiment, respectively.
- the alloy of the first embodiment, the alloy of the second embodiment, the alloy of the third embodiment, and the alloy of the fourth embodiment are palladium and indium.
- the Lockel hardness after the heat treatment is distributed in the range of 3 to 23.3, therefore, according to the present invention, the alloy of the first embodiment, the alloy of the second embodiment, the alloy of the third embodiment, and It can be seen that the alloys of the four examples each have a hardness suitable for machining. In addition, from the standpoint of economics, the higher the hardness, the shorter the life of the processing tool, so the lower the hardness of the alloy is preferable.
- a zirconia block and a single crown model are respectively scanned and then the same milling machine using a computer.
- the machining time was measured using (Ener-mill Milling Machine) and the measurement results are shown in ⁇ Table 9>.
- the zirconia blocks and the single coping model were respectively scanned, and the machining times of the alloys using the same milling machine using a computer were compared. It measured and the measurement result is shown in ⁇ Table 10>.
- the alloy was machined using a metal milling machine and a metal end mill to replace the end mills in the roughing, medium and finishing steps in the same way as conventional zirconia. Since machining time is an important factor in determining productivity and economy, the machining time of the alloy is compared with that of conventional zirconia, and the result is that the dental alloy for machining by the CAD / CAM system according to the present invention is the first. In the case of the alloy of the embodiment and the alloy of the second embodiment, it is shown that it can be processed with a machining time by CAD / CAM similar to 25 minutes, which is the processing time of the conventional zirconia in 20-40 minutes.
- the machining time by CAD / CAM is similar to that of 15 minutes, which is the processing time of the conventional zirconia, by 18 to 30 minutes.
- Prosthesis produced by casting method using conventional dental alloy and the prosthesis produced by CAD / CAM machine machining using the dental alloy for machining by CAD / CAM system according to the present invention vertically cut inside the prosthesis The bubble distribution of was analyzed. The analysis was compared to the prosthesis produced by casting using a scanning electron microscope (SEM).
- SEM scanning electron microscope
- Figure 1 (a) is a photograph showing a state observed by using a scanning electron microscope (SEM) by vertically cutting the prosthesis produced by the casting method using a conventional dental alloy
- Figure 1 (b) is a scanning electron microscope (SEM) to cut the surface by vertically cutting the prosthesis produced by CAD / CAM machine machining using a dental alloy for machining by a CAD / CAM system according to the present invention Is a photo of what you observed using
- Figure 2 (c) is a photograph showing a state of observing the surface using a metal microscope by vertically cutting the prosthesis produced by the casting method using a conventional dental alloy
- Figure 2 (d) is a vertical cutting of the prosthesis produced by the CAD / CAM machine machining using the dental alloy for machining by the CAD / CAM system according to the present invention to observe the state of the surface using a metal microscope The picture shown.
- the machining of a CAD / CAM machine using a dental alloy for machining by the CAD / CAM system according to the present invention is performed. It can be seen that the produced prosthesis has fewer pores than the prosthesis produced by the casting method using a conventional dental alloy, and the state of the tissue is more uniform.
- the dental alloy for machining by CAD / CAM system has the same processability as the zirconia that can be manufactured by machining by the machine, and it can be automated machining by CAD / CAM system at the time of prosthesis production.
- the prosthesis can be produced accurately and homogeneously, the manufacturing process of the prosthesis can be simplified, thus shortening the production time and reducing labor costs due to automation.
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- Animal Behavior & Ethology (AREA)
- Oral & Maxillofacial Surgery (AREA)
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Abstract
Description
구분 | 원소(wt%) | |||||
Au | Pt | Pd | In | Ag | Ir | |
No.1 | 1.00 | 1.00 | 48.90 | 48.90 | - | 0.20 |
No.2 | 1.00 | 1.00 | 38.90 | 38.90 | 20.00 | 0.20 |
No.3 | 1.00 | 1.00 | 34.57 | 33.23 | 30.00 | 0.20 |
No.4 | 1.00 | 1.00 | 36.59 | 31.21 | 30.00 | 0.20 |
No.5 | 1.00 | 1.00 | 36.62 | 35.18 | 26.00 | 0.20 |
No.6 | 1.00 | 1.00 | 38.77 | 33.03 | 26.00 | 0.20 |
No.7 | 1.00 | 1.00 | 40.12 | 34.18 | 23.50 | 0.20 |
No.8 | 1.00 | 1.00 | 39.27 | 33.53 | 25.00 | 0.20 |
No.9 | 1.00 | 1.00 | 36.34 | 30.96 | 30.50 | 0.20 |
No.10 | 1.00 | 1.00 | 43.47 | 37.33 | 17.00 | 0.20 |
No.11 | 2.00 | - | 41.36 | 35.44 | 21.00 | 0.20 |
No.12 | 3.00 | - | 35.10 | 32.70 | 29.00 | 0.20 |
No.13 | 3.00 | - | 35.70 | 31.10 | 30.00 | 0.20 |
No.14 | 3.00 | - | 36.77 | 27.03 | 33.00 | 0.20 |
No.15 | 3.00 | - | 35.03 | 25.77 | 36.00 | 0.20 |
구분 | 원소(wt%) | ||||||
Au | Pt | Pd | In | Ag | Ir | Zn | |
No.1 | 1.00 | 1.00 | 48.80 | 48.80 | - | 0.20 | 0.20 |
No.2 | 1.00 | 1.00 | 38.80 | 38.80 | 20.00 | 0.20 | 0.20 |
No.3 | 1.00 | 1.00 | 34.32 | 32.98 | 30.00 | 0.20 | 0.50 |
No.4 | 1.00 | 1.00 | 36.34 | 30.96 | 30.00 | 0.20 | 0.50 |
No.5 | 1.00 | 1.00 | 36.62 | 35.18 | 25.00 | 0.20 | 1.00 |
No.6 | 1.00 | 1.00 | 38.77 | 33.03 | 25.00 | 0.20 | 1.00 |
No.7 | 1.00 | 1.00 | 40.12 | 34.18 | 22.00 | 0.20 | 1.50 |
No.8 | 1.00 | 1.00 | 38.77 | 33.03 | 24.00 | 0.20 | 2.00 |
No.9 | 4.00 | - | 37.04 | 31.76 | 26.00 | 0.20 | 1.00 |
No.10 | 3.00 | - | 32.20 | 31.10 | 33.00 | 0.20 | 0.50 |
No.11 | 3.00 | - | 33.70 | 32.60 | 30.00 | 0.20 | 0.50 |
No.12 | 3.00 | - | 35.70 | 30.60 | 30.00 | 0.20 | 0.50 |
No.13 | 3.00 | - | 36.77 | 26.83 | 33.00 | 0.20 | 0.20 |
No.14 | 3.00 | - | 35.03 | 25.57 | 36.00 | 0.20 | 0.20 |
원소(wt%) | |||||||
Au | Pt | Pd | In | Ag | Ir | Co | |
No.1 | 1.00 | 1.00 | 48.90 | 48.90 | - | 0.20 | - |
No.2 | 1.00 | 1.00 | 49.41 | 47.49 | - | 0.20 | 0.90 |
No.3 | 1.00 | 1.00 | 46.89 | 40.01 | 10.00 | 0.20 | 0.90 |
No.4 | 1.00 | 1.00 | 44.31 | 42.59 | 10.00 | 0.20 | 0.90 |
No.5 | 1.00 | 1.00 | 46.22 | 39.38 | 11.50 | 0.20 | 0.70 |
No.6 | 1.00 | 1.00 | 44.55 | 37.95 | 15.00 | 0.20 | 0.30 |
No.7 | 1.00 | 1.00 | 44.63 | 38.02 | 15.00 | 0.20 | 0.15 |
No.8 | 1.00 | 1.00 | 43.55 | 37.10 | 17.00 | 0.20 | 0.15 |
No.9 | 1.00 | 1.00 | 43.47 | 37.03 | 17.00 | 0.20 | 0.30 |
No.10 | 2.00 | - | 41.36 | 35.24 | 21.00 | 0.20 | 0.20 |
No.11 | 3.00 | - | 35.10 | 32.40 | 29.00 | 0.20 | 0.30 |
원소(wt%) | ||||||||
Au | Pt | Pd | In | Ag | Ir | Zn | Co | |
No.1 | 1.00 | 1.00 | 48.80 | 48.80 | - | 0.20 | 0.20 | - |
No.2 | 1.00 | 1.00 | 49.16 | 47.24 | - | 0.20 | 0.50 | 0.90 |
No.3 | 1.00 | 1.00 | 46.39 | 39.51 | 10.00 | 0.20 | 1.00 | 0.90 |
No.4 | 1.00 | 1.00 | 43.81 | 42.09 | 10.00 | 0.20 | 1.00 | 0.90 |
No.5 | 1.00 | 1.00 | 46.22 | 39.38 | 10.00 | 0.20 | 1.50 | 0.70 |
No.6 | 1.00 | 1.00 | 43.47 | 37.03 | 15.00 | 0.20 | 2.00 | 0.30 |
No.7 | 1.00 | 1.00 | 43.55 | 37.10 | 15.00 | 0.20 | 2.00 | 0.15 |
No.8 | 4.00 | - | 37.04 | 31.56 | 26.00 | 0.20 | 1.00 | 0.20 |
No.9 | 3.00 | - | 32.20 | 30.90 | 33.00 | 0.20 | 0.50 | 0.20 |
No.10 | 3.00 | - | 33.70 | 32.40 | 30.00 | 0.20 | 0.50 | 0.20 |
No.11 | 3.00 | - | 35.70 | 30.40 | 30.00 | 0.20 | 0.50 | 0.20 |
No.12 | 3.00 | - | 36.77 | 26.63 | 33.00 | 0.20 | 0.20 | 0.20 |
No.13 | 3.00 | - | 35.03 | 25.37 | 36.00 | 0.20 | 0.20 | 0.20 |
측정결과 | ||||
열처리전 | 열처리후 | |||
미세경도(Hv) | 로크웰(HRC) | 미세경도(Hv) | 로크웰(HRC) | |
No.1 | 200 | 11 | 198 | 10.3 |
No.2 | 235 | 21.8 | 188 | 7.2 |
No.3 | 198 | 11 | 171 | 3.3 |
No.4 | 189 | 8.2 | 166 | 3.0 |
No.5 | 215 | 14.3 | 179 | 4.8 |
No.6 | 206 | 12.8 | 174 | 3.7 |
No.7 | 203 | 12.4 | 172 | 4.1 |
No.8 | 205 | 12.7 | 173 | 4.3 |
No.9 | 201 | 11.0 | 168 | 3.1 |
No.10 | 198 | 10.5 | 190 | 7.9 |
No.11 | 190 | 7.7 | 185 | 6.8 |
No.12 | 192 | 8.1 | 180 | 5.0 |
No.13 | 188 | 7.3 | 172 | 4.2 |
No.14 | 186 | 6.9 | 174 | 4.0 |
No.15 | 190 | 7.6 | 175 | 3.8 |
측정결과 | ||||
열처리전 | 열처리후 | |||
미세경도(Hv) | 로크웰(HRC) | 미세경도(Hv) | 로크웰(HRC) | |
No.1 | 203 | 11 | 196 | 10 |
No.2 | 240 | 20 | 185 | 7 |
No.3 | 200 | 11 | 168 | 3 |
No.4 | 191 | 8.6 | 171 | 3.9 |
No.5 | 219 | 14.4 | 177 | 5 |
No.6 | 209 | 13.1 | 172 | 3.8 |
No.7 | 208 | 12.7 | 175 | 4.5 |
No.8 | 207 | 12.6 | 171 | 4.3 |
No.9 | 201 | 11.2 | 182 | 7.8 |
No.10 | 197 | 10.3 | 179 | 6.0 |
No.11 | 205 | 11.8 | 185 | 5 |
No.12 | 198 | 10.5 | 178 | 5.6 |
No.13 | 203 | 11.2 | 185 | 7.9 |
No.14 | 196 | 10.1 | 176 | 4.8 |
측정결과 | ||||
열처리전 | 열처리후 | |||
미세경도(Hv) | 로크웰(HRC) | 미세경도(Hv) | 로크웰(HRC) | |
No.1 | 240 | 20.7 | 225 | 17.2 |
No.2 | 246 | 22.8 | 250 | 22.9 |
No.3 | 241 | 20.6 | 231 | 17.8 |
No.4 | 239 | 19.7 | 228 | 17.4 |
No.5 | 215 | 15.5 | 202 | 11.3 |
No.6 | 216 | 15.3 | 206 | 11.8 |
No.7 | 215 | 15.4 | 205 | 12.1 |
No.8 | 213 | 14.0 | 201 | 11.2 |
No.9 | 208 | 12.2 | 198 | 10.3 |
No.10 | 210 | 13.7 | 200 | 10.8 |
No.11 | 202 | 11.5 | 194 | 9.7 |
측정결과 | ||||
열처리전 | 열처리후 | |||
미세경도(Hv) | 로크웰(HRC) | 미세경도(Hv) | 로크웰(HRC) | |
No.1 | 245 | 21.0 | 227 | 17.6 |
No.2 | 248 | 22.0 | 256 | 23.3 |
No.3 | 239 | 20.1 | 229 | 17.6 |
No.4 | 238 | 19.8 | 230 | 17.9 |
No.5 | 219 | 15.3 | 203 | 11.5 |
No.6 | 219 | 15.2 | 204 | 12.0 |
No.7 | 219 | 15.3 | 208 | 12.8 |
No.8 | 214 | 15.0 | 200 | 10.5 |
No.9 | 208 | 12.7 | 198 | 10.1 |
No.10 | 205 | 11.9 | 193 | 8.9 |
No.11 | 201 | 10.8 | 195 | 10.0 |
No.12 | 198 | 10.3 | 186 | 8.2 |
No.13 | 194 | 9.7 | 183 | 7.7 |
제1실시예의 합금 | 제2실시예의 합금 | 지르코니아 | ||
No.1 | 40분 | No.1 | 40분 | 25분 |
No.2 | 35분 | No.2 | 35분 | |
No.3 | 20~25분 | No.3 | 20~25분 | |
No.4 | 20~25분 | No.4 | 20~25분 | |
No.5 | 20~25분 | No.5 | 20~25분 | |
No.6 | 20~25분 | No.6 | 20~25분 | |
No.7 | 20~25분 | No.7 | 20~25분 | |
No.8 | 20~25분 | No.8 | 20~25분 | |
No.9 | 20~25분 | No.9 | 20~25분 | |
No.10 | 20~25분 | No.10 | 20~25분 | |
No.11 | 20~25분 | No.11 | 20~25분 | |
No.12 | 20~25분 | No.12 | 20~25분 | |
No.13 | 20~25분 | No.13 | 20~25분 | |
No.14 | 20~25분 | No.14 | 20~25분 | |
No.15 | 20~25분 |
제3실시예의 합금 | 제4실시예의 합금 | 지르코니아 | ||
No.1 | 30분 | No.1 | 30분 | 15분 |
No.2 | 35분 | No.2 | 35분 | |
No.3 | 25분 | No.3 | 25분 | |
No.4 | 25분 | No.4 | 25분 | |
No.5 | 18~20분 | No.5 | 18~20분 | |
No.6 | 18~20분 | No.6 | 18~20분 | |
No.7 | 18~20분 | No.7 | 18~20분 | |
No.8 | 18~20분 | No.8 | 18~20분 | |
No.9 | 18~20분 | No.9 | 18~20분 | |
No.10 | 18~20분 | No.10 | 18~20분 | |
No.11 | 18~20분 | No.11 | 18~20분 | |
No.12 | 18~20분 | |||
No.13 | 18~20분 |
Claims (8)
- 금(Au) 0.1~5.0 중량%, 팔라듐(Pd) 30~50 중량%, 인듐(In) 25~50 중량%,은(Ag) 10~40 중량%, 이리듐(Ir)0.1~0.3 중량%를 포함하는 CAD/CAM시스템에 의한 기계가공용 치과용 합금.
- 금(Au) 0.1~5.0 중량%, 백금(Pt) 0.1~5.0 중량%, 팔라듐(Pd) 30~50 중량%, 인듐(In) 25~50 중량%, 은(Ag) 10~40 중량%, 이리듐(Ir)0.1~0.3 중량%를 포함하는 CAD/CAM시스템에 의한 기계가공용 치과용 합금.
- 금(Au) 0.1~5.0 중량%, 팔라듐(Pd) 30~50 중량%, 인듐(In) 25~50 중량%, 은(Ag) 10~40 중량%, 이리듐(Ir)0.1~0.3 중량%, 아연(Zn) 0.01~2.5 중량%를 포함하는 CAD/CAM시스템에 의한 기계가공용 치과용 합금.
- 금(Au) 0.1~5.0 중량%, 백금(Pt) 0.1~5.0 중량%, 팔라듐(Pd) 30~50 중량%, 인듐(In) 25~50 중량%, 은(Ag) 10~40 중량%, 이리듐(Ir)0.1~0.3 중량%, 아연(Zn) 0.01~2.5 중량%를 포함하는 CAD/CAM시스템에 의한 기계가공용 치과용 합금.
- 금(Au) 0.1~5.0 중량%, 팔라듐(Pd) 30~50 중량%, 인듐(In) 25~50 중량%, 은(Ag) 10~40 중량%, 이리듐(Ir)0.1~0.3 중량%, 코발트(Co)0.1~1.0 중량%를 포함하는 CAD/CAM시스템에 의한 기계가공용 치과용 합금.
- 금(Au) 0.1~5.0 중량%, 백금(Pt) 0.1~5.0 중량%, 팔라듐(Pd) 30~50 중량%, 인듐(In) 25~50 중량%, 은(Ag) 10~40 중량%, 이리듐(Ir)0.1~0.3 중량%, 코발트(Co)0.1~1.0 중량%를 포함하는 CAD/CAM시스템에 의한 기계가공용 치과용 합금.
- 금(Au) 0.1~5.0 중량%, 팔라듐(Pd) 30~50 중량%, 인듐(In) 25~50 중량%, 은(Ag) 10~40 중량%, 이리듐(Ir)0.1~0.3 중량%, 코발트(Co)0.1~1.0 중량%, 아연(Zn) 0.01~2.5 중량%를 포함하는 CAD/CAM시스템에 의한 기계가공용 치과용 합금.
- 금(Au) 0.1~5.0 중량%, 백금(Pt) 0.1~5.0 중량%, 팔라듐(Pd) 30~50 중량%, 인듐(In) 25~50 중량%, 은(Ag) 10~40 중량%, 이리듐(Ir)0.1~0.3 중량%, 코발트(Co)0.1~1.0 중량%, 아연(Zn) 0.01~2.5 중량%를 포함하는 CAD/CAM시스템에 의한 기계가공용 치과용 합금.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13/501,176 US20120207645A1 (en) | 2009-10-14 | 2010-03-31 | Dental alloy for machining by cad/cam system |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20090097509 | 2009-10-14 | ||
KR10-2009-0097509 | 2009-10-14 | ||
KR10-2010-0017592 | 2010-02-26 | ||
KR1020100017592A KR100979170B1 (ko) | 2009-10-14 | 2010-02-26 | 캐드/캠시스템에 의한 기계가공용 치과용 합금 |
Publications (1)
Publication Number | Publication Date |
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WO2011046274A1 true WO2011046274A1 (ko) | 2011-04-21 |
Family
ID=42760234
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PCT/KR2010/001961 WO2011046274A1 (ko) | 2009-10-14 | 2010-03-31 | 캐드/캠시스템에 의한 기계가공용 치과용 합금 |
Country Status (3)
Country | Link |
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US (1) | US20120207645A1 (ko) |
KR (1) | KR100979170B1 (ko) |
WO (1) | WO2011046274A1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20120117329A (ko) * | 2011-04-15 | 2012-10-24 | 주식회사 세라젬바이오시스 | 캐드/캠 가공용 치과용 합금 |
KR101967289B1 (ko) * | 2017-06-30 | 2019-04-09 | 조선대학교산학협력단 | 치과 주조용 팔라듐 합금 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR850004119A (ko) * | 1983-10-04 | 1985-07-01 | 최정길 | 치과용 금-은-파라디움(Au-Ag-Pd)계 합금 |
JP2000192170A (ja) * | 1998-12-25 | 2000-07-11 | Nippon Shiken Kogyo Kk | 鋳造体の鋳肌が黒色化しない低カラットで黄金色を強化した耐食性金合金 |
WO2003028669A1 (en) * | 2001-10-01 | 2003-04-10 | Cendres & Metaux Sa | Dental alloy with silver content |
KR100925845B1 (ko) * | 2008-01-15 | 2009-11-09 | 주식회사 예스바이오 | 실리콘을 함유하는 치과보철용 합금조성물 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8701001A (nl) * | 1987-04-28 | 1988-11-16 | Elephant Edelmetaal Bv | Gietbare palladiumlegeringen en gebruik daarvan voor het vervaardigen van dentaal restoraties, sieraden, e.d. |
US5462437A (en) * | 1993-11-10 | 1995-10-31 | Jeneric/Pentron Incorporated | Dental alloys for composite and porcelain overlays |
-
2010
- 2010-02-26 KR KR1020100017592A patent/KR100979170B1/ko active IP Right Grant
- 2010-03-31 WO PCT/KR2010/001961 patent/WO2011046274A1/ko active Application Filing
- 2010-03-31 US US13/501,176 patent/US20120207645A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR850004119A (ko) * | 1983-10-04 | 1985-07-01 | 최정길 | 치과용 금-은-파라디움(Au-Ag-Pd)계 합금 |
JP2000192170A (ja) * | 1998-12-25 | 2000-07-11 | Nippon Shiken Kogyo Kk | 鋳造体の鋳肌が黒色化しない低カラットで黄金色を強化した耐食性金合金 |
WO2003028669A1 (en) * | 2001-10-01 | 2003-04-10 | Cendres & Metaux Sa | Dental alloy with silver content |
KR100925845B1 (ko) * | 2008-01-15 | 2009-11-09 | 주식회사 예스바이오 | 실리콘을 함유하는 치과보철용 합금조성물 |
Also Published As
Publication number | Publication date |
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US20120207645A1 (en) | 2012-08-16 |
KR100979170B1 (ko) | 2010-08-31 |
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