DE3855703D1 - Verfahren zur herstellung eines keramischen orthodontischen brackets - Google Patents

Verfahren zur herstellung eines keramischen orthodontischen brackets

Info

Publication number
DE3855703D1
DE3855703D1 DE3855703T DE3855703T DE3855703D1 DE 3855703 D1 DE3855703 D1 DE 3855703D1 DE 3855703 T DE3855703 T DE 3855703T DE 3855703 T DE3855703 T DE 3855703T DE 3855703 D1 DE3855703 D1 DE 3855703D1
Authority
DE
Germany
Prior art keywords
producing
orthodontic bracket
ceramic orthodontic
ceramic
bracket
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 - Lifetime
Application number
DE3855703T
Other languages
English (en)
Other versions
DE3855703T3 (de
DE3855703T2 (de
Inventor
John Negrych
Henrick Gille
John Kelly
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.)
3M Unitek Corp
Original Assignee
Unitek Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=22208568&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3855703(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Unitek Corp filed Critical Unitek Corp
Publication of DE3855703D1 publication Critical patent/DE3855703D1/de
Application granted granted Critical
Publication of DE3855703T2 publication Critical patent/DE3855703T2/de
Publication of DE3855703T3 publication Critical patent/DE3855703T3/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/10—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on aluminium oxide
    • C04B35/111—Fine ceramics
    • C04B35/115—Translucent or transparent products
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/12—Brackets; Arch wires; Combinations thereof; Accessories therefor

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
DE3855703T 1988-03-02 1988-03-02 Verfahren zur herstellung eines keramischen orthodontischen brackets Expired - Lifetime DE3855703T3 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US1988/000629 WO1989008085A1 (en) 1988-03-02 1988-03-02 Method for making ceramic orthodontic brackets

Publications (3)

Publication Number Publication Date
DE3855703D1 true DE3855703D1 (de) 1997-01-23
DE3855703T2 DE3855703T2 (de) 1997-06-05
DE3855703T3 DE3855703T3 (de) 2004-12-02

Family

ID=22208568

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1988903031 Pending DE360802T1 (de) 1988-03-02 1988-03-02 Verfahren zur herstellung eines keramischen orthodontischen brackets.
DE3855703T Expired - Lifetime DE3855703T3 (de) 1988-03-02 1988-03-02 Verfahren zur herstellung eines keramischen orthodontischen brackets

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE1988903031 Pending DE360802T1 (de) 1988-03-02 1988-03-02 Verfahren zur herstellung eines keramischen orthodontischen brackets.

Country Status (5)

Country Link
EP (1) EP0360802B2 (de)
AU (1) AU612346B2 (de)
DE (2) DE360802T1 (de)
HK (1) HK1006704A1 (de)
WO (1) WO1989008085A1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3811902A1 (de) * 1988-04-09 1989-10-19 Winkelstroeter Dentaurum Verfahren zur herstellung von formkoerpern aus transparentem, polykristallinem aluminiumoxid
JPH03168140A (ja) * 1989-11-29 1991-07-19 Tosoh Corp 歯列矯正ブラケット及びその製造方法
US5096862A (en) * 1990-08-09 1992-03-17 Minnesota Mining And Manufacturing Company Transparent ceramic composite article comprising aluminum oxide and aluminum magnesium oxynitride
US6648638B2 (en) 2001-12-28 2003-11-18 3M Innovative Properties Company Orthodontic appliances including polycrystalline alumina-based ceramic material, kits, and methods
US6878456B2 (en) * 2001-12-28 2005-04-12 3M Innovative Properties Co. Polycrystalline translucent alumina-based ceramic material, uses, and methods
DE10341985A1 (de) 2003-09-08 2005-03-31 Dentaurum J.P. Winkelstroeter Kg Kieferorthopädisches Befestigungselement
CN100420651C (zh) * 2005-11-03 2008-09-24 韩敏芳 具有高线性透光率的亚微米晶粒透明氧化铝陶瓷
EP2942031B2 (de) 2008-08-13 2023-04-26 Ormco Corporation Orthodontisches bracket
AU2009238317B2 (en) * 2008-11-14 2011-10-06 Ormco Corporation Surface treated polycrystalline ceramic orthodontic bracket and method of making same
WO2010132915A2 (de) * 2009-05-20 2010-11-25 Pbd, Patent & Business Development Ag Polykristalliner keramischer orthodontischer bauteil

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2120802B2 (de) * 1971-04-28 1977-07-21 Feldmühle Anlagen- und Produktions gesellschaft mbH, 4000 Dusseldorf Verfahren zur herstellung eines transparenten aluminiumoxid-sinterkoerpers
US4219617A (en) * 1978-08-09 1980-08-26 Melvin Wallshein Ceramic orthodontic bracket
US4396595A (en) * 1982-02-08 1983-08-02 North American Philips Electric Corp. Method of enhancing the optical transmissivity of polycrystalline alumina bodies, and article produced by such method
NL8502457A (nl) * 1985-09-09 1987-04-01 Philips Nv Gasdicht gesinterd translucent aluminiumoxyde.

Also Published As

Publication number Publication date
AU612346B2 (en) 1991-07-11
DE3855703T3 (de) 2004-12-02
DE360802T1 (de) 1990-11-29
HK1006704A1 (en) 1999-03-12
WO1989008085A1 (en) 1989-09-08
EP0360802B2 (de) 2004-03-31
EP0360802B1 (de) 1996-12-11
AU1201288A (en) 1989-08-24
EP0360802A1 (de) 1990-04-04
DE3855703T2 (de) 1997-06-05

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8327 Change in the person/name/address of the patent owner

Owner name: 3M UNITEK CORP., ST. PAUL, MINN., US