CA1069347A - Corrosion-resistant dental alloy having improved handling characteristics - Google Patents
Corrosion-resistant dental alloy having improved handling characteristicsInfo
- Publication number
- CA1069347A CA1069347A CA294,906A CA294906A CA1069347A CA 1069347 A CA1069347 A CA 1069347A CA 294906 A CA294906 A CA 294906A CA 1069347 A CA1069347 A CA 1069347A
- Authority
- CA
- Canada
- Prior art keywords
- particles
- alloy
- weight
- composition
- 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.)
- Expired
Links
- 239000003564 dental alloy Substances 0.000 title claims abstract description 31
- 238000005260 corrosion Methods 0.000 title claims abstract description 29
- 230000007797 corrosion Effects 0.000 title claims abstract description 29
- 239000002245 particle Substances 0.000 claims abstract description 155
- 229910000497 Amalgam Inorganic materials 0.000 claims abstract description 77
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 73
- 239000000956 alloy Substances 0.000 claims abstract description 73
- 239000012798 spherical particle Substances 0.000 claims abstract description 35
- 239000010949 copper Substances 0.000 claims abstract description 33
- 229910052802 copper Inorganic materials 0.000 claims abstract description 31
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052709 silver Inorganic materials 0.000 claims abstract description 22
- 239000004332 silver Substances 0.000 claims abstract description 19
- 208000002925 dental caries Diseases 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims description 62
- 238000000034 method Methods 0.000 claims description 26
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 23
- 229910052753 mercury Inorganic materials 0.000 claims description 23
- 229910052718 tin Inorganic materials 0.000 claims description 14
- 238000005267 amalgamation Methods 0.000 claims description 13
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 12
- 238000002156 mixing Methods 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000008188 pellet Substances 0.000 claims description 7
- 238000005453 pelletization Methods 0.000 claims description 6
- 239000011701 zinc Substances 0.000 claims description 6
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- 239000000448 dental amalgam Substances 0.000 claims description 5
- 229910052725 zinc Inorganic materials 0.000 claims description 5
- 229910001312 Amalgam (dentistry) Inorganic materials 0.000 claims description 2
- 238000002844 melting Methods 0.000 claims description 2
- 230000008018 melting Effects 0.000 claims description 2
- 238000012360 testing method Methods 0.000 abstract description 18
- 238000009833 condensation Methods 0.000 description 23
- 230000005494 condensation Effects 0.000 description 23
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 12
- 238000009826 distribution Methods 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- 238000000889 atomisation Methods 0.000 description 6
- 230000001788 irregular Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 238000007373 indentation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000012856 packing Methods 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- 230000010287 polarization Effects 0.000 description 3
- 229910000881 Cu alloy Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007873 sieving Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- LZCDAPDGXCYOEH-UHFFFAOYSA-N adapalene Chemical compound C1=C(C(O)=O)C=CC2=CC(C3=CC=C(C(=C3)C34CC5CC(CC(C5)C3)C4)OC)=CC=C21 LZCDAPDGXCYOEH-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000005548 dental material Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229940002658 differin Drugs 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009689 gas atomisation Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/06—Alloys based on silver
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Epidemiology (AREA)
- Plastic & Reconstructive Surgery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Dental Preparations (AREA)
- Powder Metallurgy (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US76018177A | 1977-01-17 | 1977-01-17 | |
| US76018277A | 1977-01-17 | 1977-01-17 | |
| US76018377A | 1977-01-17 | 1977-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1069347A true CA1069347A (en) | 1980-01-08 |
Family
ID=27419533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA294,906A Expired CA1069347A (en) | 1977-01-17 | 1978-01-13 | Corrosion-resistant dental alloy having improved handling characteristics |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5390122A (en, 2012) |
| CA (1) | CA1069347A (en, 2012) |
| DE (1) | DE2801721A1 (en, 2012) |
| FR (1) | FR2377191A1 (en, 2012) |
| GB (1) | GB1594643A (en, 2012) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4255192A (en) * | 1979-12-17 | 1981-03-10 | Pennwalt Corporation | Homogenous bonding of dispersed phase alloy |
| WO1983002959A1 (en) * | 1982-02-18 | 1983-09-01 | Sybron Corp | Admix dental alloy and amalgam |
| JPS58171540A (ja) * | 1982-04-02 | 1983-10-08 | Atsushige Satou | 含セレン歯科用アマルガム用合金及びその製造法 |
| 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 |
| JPS6075540A (ja) * | 1983-07-08 | 1985-04-27 | ジエフリ−・ジエイムス・チ−タム | 歯科アマルガム用合金 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3841860A (en) * | 1973-07-11 | 1974-10-15 | Dentsply Res & Dev | Dental alloy |
| US3871876A (en) * | 1974-03-18 | 1975-03-18 | Kamal Asgar | Dental Amalgam |
| US3997328A (en) * | 1975-12-29 | 1976-12-14 | Engelhard Minerals & Chemicals Corporation | Dental amalgams |
| US3997327A (en) * | 1975-12-29 | 1976-12-14 | Engelhard Minerals & Chemicals Corporation | Dental composition |
| US3997330A (en) * | 1975-12-29 | 1976-12-14 | Engelhard Minerals & Chemicals Corporation | Dental amalgams |
-
1978
- 1978-01-06 GB GB430/78A patent/GB1594643A/en not_active Expired
- 1978-01-13 CA CA294,906A patent/CA1069347A/en not_active Expired
- 1978-01-13 JP JP207178A patent/JPS5390122A/ja active Pending
- 1978-01-13 FR FR7800920A patent/FR2377191A1/fr active Granted
- 1978-01-16 DE DE19782801721 patent/DE2801721A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR2377191A1 (fr) | 1978-08-11 |
| DE2801721A1 (de) | 1978-07-20 |
| GB1594643A (en) | 1981-08-05 |
| JPS5390122A (en) | 1978-08-08 |
| FR2377191B1 (en, 2012) | 1983-08-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |