WO2002047616A2 - Prothese dentaire entierement ceramique comportant une structure en oxyde de zircon a stabilisation cerique - Google Patents

Prothese dentaire entierement ceramique comportant une structure en oxyde de zircon a stabilisation cerique Download PDF

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Publication number
WO2002047616A2
WO2002047616A2 PCT/EP2001/014502 EP0114502W WO0247616A2 WO 2002047616 A2 WO2002047616 A2 WO 2002047616A2 EP 0114502 W EP0114502 W EP 0114502W WO 0247616 A2 WO0247616 A2 WO 0247616A2
Authority
WO
WIPO (PCT)
Prior art keywords
framework
zro
weight
proportion
infiltration
Prior art date
Application number
PCT/EP2001/014502
Other languages
German (de)
English (en)
Other versions
WO2002047616A3 (fr
Inventor
Helga Hornberger
Norbert Thiel
Markus Vollmann
Original Assignee
Vita Zahnfabrik H. Rauter Gmbh & Co. Kg
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 Vita Zahnfabrik H. Rauter Gmbh & Co. Kg filed Critical Vita Zahnfabrik H. Rauter Gmbh & Co. Kg
Priority to AU2002219170A priority Critical patent/AU2002219170A1/en
Publication of WO2002047616A2 publication Critical patent/WO2002047616A2/fr
Publication of WO2002047616A3 publication Critical patent/WO2002047616A3/fr

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00—Compositions for glass with special properties
    • C03C4/0007—Compositions for glass with special properties for biologically-compatible glass
    • C03C4/0021—Compositions for glass with special properties for biologically-compatible glass for dental use
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
    • A61K6/70—Preparations for dentistry comprising inorganic additives
    • A61K6/78—Pigments
    • 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
    • A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
    • A61K6/804—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising manganese oxide
    • 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
    • A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
    • A61K6/816—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising titanium oxide
    • 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
    • A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
    • A61K6/818—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising zirconium oxide
    • 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
    • A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
    • A61K6/822—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising rare earth metal oxides
    • 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
    • A61K6/802—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics
    • A61K6/824—Preparations for artificial teeth, for filling teeth or for capping teeth comprising ceramics comprising transition metal oxides
    • 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
    • A61K6/831—Preparations for artificial teeth, for filling teeth or for capping teeth comprising non-metallic elements or compounds thereof, e.g. carbon
    • A61K6/833—Glass-ceramic composites
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C3/00—Glass compositions
    • C03C3/04—Glass compositions containing silica
    • C03C3/062—Glass compositions containing silica with less than 40% silica by weight
    • C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
    • C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/009—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone characterised by the material treated
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/86—Glazes; Cold glazes
    • 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00836—Uses not provided for elsewhere in C04B2111/00 for medical or dental applications

Definitions

  • the present invention relates to an all-ceramic dental prosthesis with a framework made of a cerium-stabilized zirconium oxide, a framework material which is composed of a cerium-stabilized zirconium oxide (Ce-Zr0 2 ), a method for producing a framework in the all-ceramic dental prosthesis according to the invention, and Use of cerium-stabilized ZrO 2 for the production of framework materials.
  • DE 44207180 AI also relates to glass ceramics with oxide ceramic components.
  • the oxide-ceramic zirconium-containing crystals are distributed as precipitates in a glass matrix.
  • the invention is based on the object To manufacture multi-unit posterior bridges with the highest possible reliability (ie high breaking strength Klc and high bending strength). With the previous all-ceramic processes, only a fracture toughness with K lc values of 3 - 6 is achieved. Due to the brittleness and the unfavorable fatigue behavior of ceramics, a material with the highest possible fracture toughness (Kic) and at the same time high bending strength is required for multi-unit posterior bridges.
  • Kic fracture toughness
  • an all-ceramic dental prosthesis with a framework which is based on a framework material made of a cerium-stabilized zirconium oxide (Ce-ZrO 2 ) with a proportion of up to 25% by weight aluminum oxide (Al 2 O 3 ) is based on the proportion of ZrO 2 and an infiltration glass proportion in the framework of 0-40 vol% based on the volume of the framework as well as veneering ceramics matched to the framework material.
  • Scaffolding means that there is a continuous, porous oxide-ceramic network.
  • the all-ceramic dental prosthesis according to the invention preferably contains 5.5-16 mol% Ce0 2 in ZrO 2 .
  • the invention also relates to a framework material which is composed of a cerium-stabilized zirconium oxide (Ce-ZrO 2 ) with a proportion of up to 25% by weight aluminum oxide (Al 2 O 3 ) based on the proportion of ZrO 2 .
  • the framework material according to the invention preferably contains 5.5-16 mol% CeO 2 in ZrO 2 .
  • the easy workability of the scaffold material before infiltration is advantageous.
  • the addition of Al 2 O 3 (aluminum oxide) ensures compatibility with existing veneering ceramics.
  • the method according to the invention for producing a framework in the all-ceramic dental prosthesis according to the invention assumes that the framework material according to the invention is shaped as a densely sintered material.
  • the framework material according to the invention is first sintered porously and then shaped.
  • porous all-ceramic frameworks produced via the intermediate stage by means of reaction bandages as opposed to a sintering process have the advantage of being easy to machine or manually modeling while maintaining the shape and a damage-free surface. These advantages lead to a high accuracy of fit and an improved flexural strength of the dentures produced from them.
  • the infiltration glass for infiltration of the porous framework according to the invention preferably contains 15 to 35% by weight of La 2 O 3 , 10 to 25% by weight of SiO 2 , 10 to 25% by weight of Al 2 O 3 , 5 to 20% by weight of B 2 O 3 , 5 - 20% by weight CaO, 0-10% by weight ZrO 2 , 0-10% by weight TiO 2 and 0-15% by weight CeO 2 .
  • the infiltration glass contains further metal oxides in an oxidation stage which can stabilize ZrO 2 .
  • metal oxides include in particular MgO and Y 2 O 3 .
  • the advantages of adding Mg, Ce, Y are the stabilization of the tetragonal phase at room temperature and thus a significant increase in the K lc value.
  • the absorption capacity of the glass of cerium oxide influences the tension between the glass and the matrix.
  • the infiltration glass can also contain pigments. By adding pigments you can go from the pure white color of the oxide in the direction of the natural tooth color.
  • the invention is based on the use of cerium-stabilized ZrO 2 for producing framework materials which can be used as restorations in the dental field.
  • SEM scanning electron microscopic
  • the images show the network of cerium-stabilized zirconium oxide (bright grains) that was infiltrated with a glass.
  • the links between the individual zirconium oxide grains are clearly visible, which together with the glass infiltration cause increased strength.
  • some bright crystallizations can be seen, which are rich in zirconium oxide and can lead to further solidification.
  • Ce-stab pure ZrO 2 (approx. 15.5% by weight CeO 2 ) was pressed and sintered at 1500 ° C.
  • the fracture toughness (K ⁇ c value) is> 11 MPam 1/2 .
  • the ZrO 2 used is cerium-stabilized with a proportion of 15.5% by weight CeO 2 .
  • the powder mixture is shaped and sintered at 1500 ° C.
  • the sample is infiltrated at 1140 ° C. with a lanthanum glass which has a CeO 2 content of less than 4% by weight and contains no further stabilizing oxides such as MgO, CaO, Y 2 O 3 etc.
  • the resulting bending tensile strength is 650 MPa.
  • the fracture toughness lies
  • a zirconia / alumina mixture with the composition 33% by weight of ZrO 2 and 67% by weight of Al 2 0 3 is produced.
  • This powder mixture is shaped and sintered at 1180 ° C.
  • the sample is infiltrated at 1140 ° C and lanthanum and has a bending strength of 580 MPa and a fracture toughness with a K ⁇ C value of 4.4 MPam 1/2.

Abstract

L'invention concerne une prothèse dentaire entièrement céramique comportant une structure réalisée dans un matériau de structure d'oxyde de zircon à stabilisation cérique (Ce-ZrO2). Ladite structure contient jusqu'à 25 % en poids d'oxyde d'aluminium (Al2O3) par rapport à la teneur en ZrO2, et présente une teneur de verre d'infiltration de 0 à 40 % en volume par rapport au volume de la structure. Ladite prothèse comporte par ailleurs une céramique de revêtement adaptée au matériau de structure. L'invention concerne également l'utilisation de ZrO2 à stabilisation cérique pour la fabrication de matériaux de structure servant à la restauration dentaire.
PCT/EP2001/014502 2000-12-11 2001-12-11 Prothese dentaire entierement ceramique comportant une structure en oxyde de zircon a stabilisation cerique WO2002047616A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002219170A AU2002219170A1 (en) 2000-12-11 2001-12-11 Fully ceramic tooth replacement with a frame made of cer-stabilised zircon oxide

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10061630.5 2000-12-11
DE10061630A DE10061630B4 (de) 2000-12-11 2000-12-11 Vollkeramischer Zahnersatz mit einem Gerüst aus einem Cerstabillisierten Zirkonoxid

Publications (2)

Publication Number Publication Date
WO2002047616A2 true WO2002047616A2 (fr) 2002-06-20
WO2002047616A3 WO2002047616A3 (fr) 2002-09-19

Family

ID=7666673

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/014502 WO2002047616A2 (fr) 2000-12-11 2001-12-11 Prothese dentaire entierement ceramique comportant une structure en oxyde de zircon a stabilisation cerique

Country Status (3)

Country Link
AU (1) AU2002219170A1 (fr)
DE (1) DE10061630B4 (fr)
WO (1) WO2002047616A2 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003035014A1 (fr) * 2001-10-25 2003-05-01 Vita Zahnfabrik H. Rauter Gmbh & Co. Kg Systeme pour produire une ceramique de recouvrement
WO2008040780A1 (fr) * 2006-10-05 2008-04-10 Vita Zahnfabrik H. Rauter Gmbh & Co. Kg Procédé de fabrication d'une pièce moulée en céramique
WO2008106958A2 (fr) * 2007-03-06 2008-09-12 Hermsdorfer Institut Für Technische Keramik E.V. Céramique pour incrustations vestibulaires pour des restaurations dentaires en dioxyde de zirconium stabilisé à l'yttrium et procédé de fixation d'incrustations vestibulaires sur des restaurations dentaires en dioxyde de zirconium stabilisé à l'yttrium
CN108395246A (zh) * 2018-05-15 2018-08-14 钱兴 一种高韧性口腔用纳米瓷粉材料的制备方法
US10214443B2 (en) 2005-02-08 2019-02-26 Ivoclar Vivadent Ag Lithium silicate materials

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050164045A1 (en) 2004-01-27 2005-07-28 Ivoclar Vivadent Ag Method for the production of an oxide ceramic shaped part and a part produced by such method
DE102004021424A1 (de) * 2004-04-30 2005-11-24 Institut für Neue Materialien Gemeinnützige GmbH Füge- oder Abdichtelement aus einem glasinfiltrierten Keramik- oder Metallkomposit und Verfahren zu seiner Anwendung
EP1972320A1 (fr) 2007-03-22 2008-09-24 Vita Zahnfabrik H. Rauter GmbH & Co. KG Verre d'infiltration contenant du niobium
DE102010028693A1 (de) 2010-05-06 2011-11-10 Sirona Dental Systems Gmbh Verfahren zur Herstellung eines Zahnersatzteils und Zahnersatzteil

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4020893A1 (de) * 1989-06-30 1991-01-03 Hoya Corp Verfahren zur herstellung eines anorganischen, biologisch vertraeglichen materials
EP0690031A1 (fr) * 1994-07-01 1996-01-03 Ivoclar Ag Vitrocéramiques contenant Zro2
US5695337A (en) * 1994-10-05 1997-12-09 Tyszblat Sadoun; Michele Process for producing a dental prosthesis secured on an implant and an intermediate piece useable for implementing this process

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0240643A1 (fr) * 1986-04-11 1987-10-14 Tyszblat Sadoun, Michèle Procédé de fabrication de prothèses dentaires
JPH05306141A (ja) * 1991-03-07 1993-11-19 Hoya Corp ガラスセラミックス及びそれを用いた人工歯冠
US5775912A (en) * 1996-08-16 1998-07-07 American Thermocraft Corporation Method of producing a dental restoration using CAD/CAM

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4020893A1 (de) * 1989-06-30 1991-01-03 Hoya Corp Verfahren zur herstellung eines anorganischen, biologisch vertraeglichen materials
EP0690031A1 (fr) * 1994-07-01 1996-01-03 Ivoclar Ag Vitrocéramiques contenant Zro2
US5695337A (en) * 1994-10-05 1997-12-09 Tyszblat Sadoun; Michele Process for producing a dental prosthesis secured on an implant and an intermediate piece useable for implementing this process

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003035014A1 (fr) * 2001-10-25 2003-05-01 Vita Zahnfabrik H. Rauter Gmbh & Co. Kg Systeme pour produire une ceramique de recouvrement
US10214443B2 (en) 2005-02-08 2019-02-26 Ivoclar Vivadent Ag Lithium silicate materials
US10981823B2 (en) 2005-02-08 2021-04-20 Ivoclar Vivadent Ag Lithium silicate materials
WO2008040780A1 (fr) * 2006-10-05 2008-04-10 Vita Zahnfabrik H. Rauter Gmbh & Co. Kg Procédé de fabrication d'une pièce moulée en céramique
US8168113B2 (en) 2006-10-05 2012-05-01 Vita Zahnfabrik H. Rauter Gmbh & Co. Kg Method for the production of a ceramic molded part
WO2008106958A2 (fr) * 2007-03-06 2008-09-12 Hermsdorfer Institut Für Technische Keramik E.V. Céramique pour incrustations vestibulaires pour des restaurations dentaires en dioxyde de zirconium stabilisé à l'yttrium et procédé de fixation d'incrustations vestibulaires sur des restaurations dentaires en dioxyde de zirconium stabilisé à l'yttrium
WO2008106958A3 (fr) * 2007-03-06 2009-11-05 Hermsdorfer Institut Für Technische Keramik E.V. Céramique pour incrustations vestibulaires pour des restaurations dentaires en dioxyde de zirconium stabilisé à l'yttrium et procédé de fixation d'incrustations vestibulaires sur des restaurations dentaires en dioxyde de zirconium stabilisé à l'yttrium
JP2010519986A (ja) * 2007-03-06 2010-06-10 イフォクレール ヴィヴァデント アクチェンゲゼルシャフト イットリウム安定化二酸化ジルコニウム製歯科修復物用ベニアセラミック、およびイットリウム安定化二酸化ジルコニウム製歯科修復物のベニア形成方法
US8592330B2 (en) 2007-03-06 2013-11-26 Ivoclar Vivadent Ag Veneer ceramic for dental restorations and method for veneering dental restorations
US8987153B2 (en) 2007-03-06 2015-03-24 Ivoclar Vivadent Ag Veneer ceramic for dental restorations and method for veneering dental restorations
US9359245B2 (en) 2007-03-06 2016-06-07 Ivoclar Vivadent Ag Veneer ceramic for dental restorations and method for veneering dental restorations
CN108395246A (zh) * 2018-05-15 2018-08-14 钱兴 一种高韧性口腔用纳米瓷粉材料的制备方法

Also Published As

Publication number Publication date
AU2002219170A1 (en) 2002-06-24
WO2002047616A3 (fr) 2002-09-19
DE10061630B4 (de) 2004-02-12
DE10061630A1 (de) 2002-06-27

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