CA1039538A - Dental amalgam and method of making same - Google Patents
Dental amalgam and method of making sameInfo
- Publication number
- CA1039538A CA1039538A CA216,699A CA216699A CA1039538A CA 1039538 A CA1039538 A CA 1039538A CA 216699 A CA216699 A CA 216699A CA 1039538 A CA1039538 A CA 1039538A
- Authority
- CA
- Canada
- Prior art keywords
- tin
- silver
- copper
- particle
- weight ratio
- 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.)
- Expired
Links
- 239000000448 dental amalgam Substances 0.000 title claims abstract description 18
- 229910001312 Amalgam (dentistry) Inorganic materials 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title description 2
- 239000010949 copper Substances 0.000 claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 claims abstract description 28
- 229910052718 tin Inorganic materials 0.000 claims abstract description 28
- 239000000843 powder Substances 0.000 claims abstract description 26
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 22
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910052709 silver Inorganic materials 0.000 claims abstract description 18
- 239000004332 silver Substances 0.000 claims abstract description 18
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical group [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000002245 particle Substances 0.000 claims description 48
- 239000011135 tin Substances 0.000 claims description 28
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 17
- 229910045601 alloy Inorganic materials 0.000 claims description 17
- 239000000956 alloy Substances 0.000 claims description 17
- 239000000203 mixture Substances 0.000 claims description 17
- 229910001316 Ag alloy Inorganic materials 0.000 claims description 16
- 229910052753 mercury Inorganic materials 0.000 claims description 11
- 229910000497 Amalgam Inorganic materials 0.000 claims description 7
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 229910000765 intermetallic Inorganic materials 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 230000007423 decrease Effects 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 2
- HPNSNYBUADCFDR-UHFFFAOYSA-N chromafenozide Chemical compound CC1=CC(C)=CC(C(=O)N(NC(=O)C=2C(=C3CCCOC3=CC=2)C)C(C)(C)C)=C1 HPNSNYBUADCFDR-UHFFFAOYSA-N 0.000 claims 1
- 238000005260 corrosion Methods 0.000 abstract description 4
- 230000007797 corrosion Effects 0.000 abstract description 4
- 239000010953 base metal Substances 0.000 abstract 1
- 238000005275 alloying Methods 0.000 description 9
- 239000000470 constituent Substances 0.000 description 9
- 230000008901 benefit Effects 0.000 description 6
- 238000004458 analytical method Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000005267 amalgamation Methods 0.000 description 3
- 238000000889 atomisation Methods 0.000 description 3
- 238000002845 discoloration Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005755 formation reaction Methods 0.000 description 2
- 238000009689 gas atomisation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000012798 spherical particle Substances 0.000 description 2
- 229910001432 tin ion Inorganic materials 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- PQIJHIWFHSVPMH-UHFFFAOYSA-N [Cu].[Ag].[Sn] Chemical compound [Cu].[Ag].[Sn] PQIJHIWFHSVPMH-UHFFFAOYSA-N 0.000 description 1
- DAEJUPKPHRBQHZ-UHFFFAOYSA-N [Sn].[Hg] Chemical compound [Sn].[Hg] DAEJUPKPHRBQHZ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/04—Making non-ferrous alloys by powder metallurgy
- C22C1/0466—Alloys based on noble metals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/84—Preparations for artificial teeth, for filling teeth or for capping teeth comprising metals or alloys
- A61K6/847—Amalgams
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C7/00—Alloys based on mercury
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S75/00—Specialized metallurgical processes, compositions for use therein, consolidated metal powder compositions, and loose metal particulate mixtures
- Y10S75/955—Producing dental product
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Epidemiology (AREA)
- Plastic & Reconstructive Surgery (AREA)
- Dental Preparations (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US451840A US3871876A (en) | 1974-03-18 | 1974-03-18 | Dental Amalgam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1039538A true CA1039538A (en) | 1978-10-03 |
Family
ID=23793912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA216,699A Expired CA1039538A (en) | 1974-03-18 | 1974-12-23 | Dental amalgam and method of making same |
Country Status (10)
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2511194C3 (de) * | 1975-03-14 | 1979-03-15 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Legierungspulver-Mischung zur Herstellung von Dentalamalgamen |
| US3985558A (en) * | 1975-03-28 | 1976-10-12 | Sybron Corporation | Dental alloy and amalgam |
| US3975192A (en) * | 1975-03-28 | 1976-08-17 | Sybron Corporation | Dental alloy and amalgam |
| US3954457A (en) * | 1975-04-28 | 1976-05-04 | Gary Maurice Weikel | Dental amalgam |
| US4164419A (en) * | 1975-12-22 | 1979-08-14 | Shofu Dental Manufacturing Company, Limited | Powdered alloy for dental amalgam |
| US3997328A (en) * | 1975-12-29 | 1976-12-14 | Engelhard Minerals & Chemicals Corporation | Dental amalgams |
| US3997330A (en) * | 1975-12-29 | 1976-12-14 | Engelhard Minerals & Chemicals Corporation | Dental amalgams |
| US3997329A (en) * | 1975-12-29 | 1976-12-14 | Engelhard Minerals & Chemicals Corporation | Dental composition |
| US3997327A (en) * | 1975-12-29 | 1976-12-14 | Engelhard Minerals & Chemicals Corporation | Dental composition |
| US4080199A (en) * | 1976-05-27 | 1978-03-21 | Johnson & Johnson | Lathe cut dental alloy powder |
| US4030918A (en) * | 1976-05-27 | 1977-06-21 | Johnson & Johnson | Indium containing dental alloy powder |
| GB1594643A (en) * | 1977-01-17 | 1981-08-05 | Engelhard Min & Chem | Corrosion-resistant dental alloy having improved handling characteristics |
| US4226622A (en) * | 1978-08-24 | 1980-10-07 | Engelhard Minerals & Chemicals Corporation | Corrosion-resistant dental alloy |
| US4235631A (en) * | 1978-08-24 | 1980-11-25 | Engelhard Minerals & Chemicals Corporation | Corrosion-resistant dental alloy having improved handling characteristics |
| US4234339A (en) * | 1978-08-24 | 1980-11-18 | Engelhard Minerals & Chemicals Corporation | Corrosion-resistant dental alloy |
| AR223024A1 (es) * | 1980-01-31 | 1981-07-15 | Macrodent Sa | Un producto para ser utilizado en amalgamas dentales comprimidos o pastillas desintegrables obtenidos por aglomeracion de dicho producto y amalgamas obtenidas a partir de este ultimo |
| US4374085A (en) * | 1980-05-29 | 1983-02-15 | Special Metals Corporation | Silver-tin-copper-palladium alloy and amalgam thereof |
| DE3240256C1 (de) * | 1982-10-30 | 1983-09-29 | Blendax-Werke R. Schneider Gmbh & Co, 6500 Mainz | Verfahren zur Herstellung von Silber-Zinn-Vorlegierungen fuer zahnaerztliche Amalgame |
| US4664629A (en) * | 1983-06-27 | 1987-05-12 | Dentsply Research & Development Corp. | Dental composition mixture |
| US4664855A (en) * | 1985-11-12 | 1987-05-12 | Special Metals Corporation | Method for producing amalgamable alloy |
| US5091114A (en) * | 1988-08-23 | 1992-02-25 | Asahi Kasei Kogyo Kabushiki Kaisha | Conductive metal powders, process for preparation thereof and use thereof |
| CA2173734A1 (en) * | 1993-10-08 | 1995-04-20 | Glenn L. Beane | Acid assisted cold welding and intermetallic formation and dental applications thereof |
| US5354353A (en) * | 1993-10-28 | 1994-10-11 | Special Metals Corporation | Amalgamable composition and method of production |
| US5490870A (en) * | 1993-10-28 | 1996-02-13 | Special Metals Corporation | Amalgamable composition and method of production |
| FR2772265B1 (fr) * | 1997-12-12 | 2001-09-07 | Schiller Henri | Amalgame dentaire a taux reduit en mercure et procede de fabrication d'un tel amalgame |
| US6458180B1 (en) * | 2001-01-10 | 2002-10-01 | Jiin-Huey Chern Lin | Amalgamatable dental alloy powder having an effect of reducing initial mercury vapor release rate |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1612782A (en) * | 1923-12-19 | 1926-12-28 | Lee S Smith & Son Mfg Company | Dental alloy and process of making the same |
| US1963085A (en) * | 1933-08-05 | 1934-06-19 | Arthur W Gray | Comminuted alloy |
| US2281991A (en) * | 1938-04-27 | 1942-05-05 | Poetschke Paul | Dental amalgam alloy |
| US3305356A (en) * | 1963-08-30 | 1967-02-21 | William V Youdelis | Dental amalgam |
| US3554738A (en) * | 1968-05-21 | 1971-01-12 | Victor E Beldham | Dental amalgam |
| US3676112A (en) * | 1970-05-19 | 1972-07-11 | Indiana University Foundation | Anticariogenic dental amalgam |
-
1974
- 1974-03-18 US US451840A patent/US3871876A/en not_active Expired - Lifetime
- 1974-12-23 CA CA216,699A patent/CA1039538A/en not_active Expired
-
1975
- 1975-01-17 IT IT19378/75A patent/IT1028449B/it active
- 1975-02-13 DE DE2505934A patent/DE2505934C3/de not_active Expired
- 1975-02-20 JP JP2142775A patent/JPS5435860B2/ja not_active Expired
- 1975-03-06 SE SE7502497A patent/SE425049B/xx not_active IP Right Cessation
- 1975-03-12 NL NL7502941.A patent/NL167318C/xx not_active IP Right Cessation
- 1975-03-14 BR BR1521/75A patent/BR7501521A/pt unknown
- 1975-03-18 FR FR7508437A patent/FR2264521B1/fr not_active Expired
- 1975-03-18 GB GB1123875A patent/GB1476100A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3871876A (en) | 1975-03-18 |
| GB1476100A (en) | 1977-06-10 |
| JPS50125922A (enrdf_load_stackoverflow) | 1975-10-03 |
| BR7501521A (pt) | 1975-12-23 |
| DE2505934A1 (de) | 1975-09-25 |
| FR2264521A1 (enrdf_load_stackoverflow) | 1975-10-17 |
| SE7502497L (enrdf_load_stackoverflow) | 1975-09-19 |
| FR2264521B1 (enrdf_load_stackoverflow) | 1978-12-29 |
| NL167318B (nl) | 1981-07-16 |
| IT1028449B (it) | 1979-01-30 |
| JPS5435860B2 (enrdf_load_stackoverflow) | 1979-11-06 |
| NL7502941A (nl) | 1975-09-22 |
| NL167318C (nl) | 1981-12-16 |
| DE2505934C3 (de) | 1979-01-04 |
| SE425049B (sv) | 1982-08-30 |
| AU7715375A (en) | 1976-07-08 |
| DE2505934B2 (de) | 1978-05-11 |
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