CA1039538A - Dental amalgam and method of making same - Google Patents

Dental amalgam and method of making same

Info

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
Application number
CA216,699A
Other languages
English (en)
French (fr)
Inventor
Kamal Asgar
Steven H. Reichman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Federal Mogul LLC
Original Assignee
Federal Mogul LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Federal Mogul LLC filed Critical Federal Mogul LLC
Application granted granted Critical
Publication of CA1039538A publication Critical patent/CA1039538A/en
Expired legal-status Critical Current

Links

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)
CA216,699A 1974-03-18 1974-12-23 Dental amalgam and method of making same Expired CA1039538A (en)

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)

Country Link
US (1) US3871876A (xx)
JP (1) JPS5435860B2 (xx)
BR (1) BR7501521A (xx)
CA (1) CA1039538A (xx)
DE (1) DE2505934C3 (xx)
FR (1) FR2264521B1 (xx)
GB (1) GB1476100A (xx)
IT (1) IT1028449B (xx)
NL (1) NL167318C (xx)
SE (1) SE425049B (xx)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
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
US3975192A (en) * 1975-03-28 1976-08-17 Sybron Corporation Dental alloy and amalgam
US3985558A (en) * 1975-03-28 1976-10-12 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
US3997329A (en) * 1975-12-29 1976-12-14 Engelhard Minerals & Chemicals Corporation Dental composition
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
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
US4234339A (en) * 1978-08-24 1980-11-18 Engelhard Minerals & Chemicals Corporation Corrosion-resistant dental alloy
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
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
JPH0214202Y2 (xx) * 1980-02-20 1990-04-18
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
WO1995010379A1 (en) * 1993-10-08 1995-04-20 The United States Of America, As Represented By The Secretary Of Commerce Acid assisted cold welding and intermetallic formation and dental applications thereof
US5490870A (en) * 1993-10-28 1996-02-13 Special Metals Corporation Amalgamable composition and method of production
US5354353A (en) * 1993-10-28 1994-10-11 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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
AU7715375A (en) 1976-07-08
GB1476100A (en) 1977-06-10
DE2505934C3 (de) 1979-01-04
DE2505934B2 (de) 1978-05-11
IT1028449B (it) 1979-01-30
SE7502497L (xx) 1975-09-19
BR7501521A (pt) 1975-12-23
NL167318B (nl) 1981-07-16
US3871876A (en) 1975-03-18
DE2505934A1 (de) 1975-09-25
SE425049B (sv) 1982-08-30
FR2264521A1 (xx) 1975-10-17
NL167318C (nl) 1981-12-16
NL7502941A (nl) 1975-09-22
FR2264521B1 (xx) 1978-12-29
JPS50125922A (xx) 1975-10-03
JPS5435860B2 (xx) 1979-11-06

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