JP2011528690A - 多孔性ケイ酸セラミック体、歯科修復物、及びその製造法 - Google Patents
多孔性ケイ酸セラミック体、歯科修復物、及びその製造法 Download PDFInfo
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Abstract
Description
a) 前記少なくとも一つの成分は、金型中に充填され;
b) 表面を有する陥凹が、前記材料、特に焼結可能材料又はプラスチック材料の、充填された少なくとも一つの第1成分の中に押し込まれ;かつ、
c) 前記表面が、空間において湾曲界面を形成し、
d) 陥凹の中に充填される少なくとも一つの第2成分に向く、
プロセスに関する。
a) スリップを、例えば表面が記載の境界に一致する多孔性石膏金型の中に、加圧下又は無加圧下で鋳込むことによって、前述の調製プロセスによる表面形態を有する成形部材Aを調製すること;
b) a)による成形部材Aに対して陰性輪郭を有する第2成形部材Bを調製すること;
c) 二つの成形部分A及びBを組み合わせてコンパウンドユニットCを形成すること、組み合わせは、場合によって、成形後熱処理とともに、加圧又は無加圧下で、コンパウンドユニットCの全体外形(組み合わせ成分/コンパウンドユニットの表面)を定める金型の内又は外(金型脱離後)において行われる。
或いは:
a) 前述の調製プロセスによる表面形態を有する成形部材Aを調製すること、調製は、スリップを、例えば、表面が記載の境界に一致する多孔性石膏金型の中に、加圧下又は無加圧下で鋳込むことによって実行される;
b) 成形部材Aを金型から取り出し、コンパウンドユニットの最終輪郭に一致する別の石膏金型の中に、成形部材Aを位置づけること;
c) 該金型を、圧力の下又は圧力無しに、場合によって、金型内又は金型脱離後に熱処理下に、別のスリップによって充填すること。
a) 前述の調製プロセスによる表面形態を有する成形部材Aを調製すること、調製は、結合材添加又は無添加の可塑化組成物を、対応金型の中に、場合によって熱安定化を伴い、圧力の下又は圧力無しに、挿入することによって行われる;
b) a)による成形部材Aに対して陰性輪郭を有する第2成形部材Bを調製すること;
c) 二つの成形部分A及びBを組み合わせてコンパウンドユニットCを形成すること、組み合わせは、場合によって、成形後熱処理とともに、加圧又は無加圧下で、コンパウンドユニットCの全体外形(組み合わせ成分/コンパウンドユニットの表面)を定める金型の内又は外において行われる。
前記材料は少なくとも第1成分及び第2成分を有し;
第2成分は、第1成分のものとは異なる着色を有し、第2成分は、界面が空間において曲面を描くように第1成分の中に配置されて前記界面を形成し;
前記界面は、一組の天然歯又は人工歯から作製されるセクションから、種々の湾曲度の曲率半径を有する表面を創出することによって得ることができ;及び/又は、
前記界面は、該一組の天然歯又は人工歯の象牙質/エナメル質境界の筋道から、種々の湾曲度の曲率半径を有する表面を創出することによって得ることができ;
種々の湾曲度の曲率半径を有する該創出表面は、曲率半径の湾曲度の関数として配置され;かつ
得られる創出表面の空間配置が、界面の全体を産みだすプロセスに関する。
−加圧スリップキャスティング
−顆粒のドライ加圧法
−押出法など
が挙げられる。
−本発明による多孔性ケイ酸セラミック体を加工すること、次いで、
a) スキャフォールドの上にベニアを位置づけ、それを焼結焼成に付すこと;又は、
b) この修復物前駆体を高密度焼結して最終的歯科修復物を形成すること;又は、
c) ベニアを高密度焼結すること、次いで、それをスキャフォールドに位置づけ、結合させること(焼結、接着性結合、ガラス溶接剤を用いて)、
を含むプロセスに関する。
この修復物を炉に入れる前に、あらかじめ600℃で6分加熱し;
最終温度(1165℃)で40分加熱し;
最大温度に10分維持した。
−500℃で6分間のプレ加熱
−910℃において55℃/分で加熱
−最大温度を1分間保持。
−500℃で6分間のプレ加熱
−880℃において55℃/分で加熱
−880℃で1分間完全に焼結。
Claims (15)
- 任意に種々の色の、焼結されて第2密度を有するケイ酸セラミック体になることができる第1密度を有する多孔性ケイ酸セラミック体であって、第1密度の、第2密度に対する比が、2/5から98/100であり、第1密度を有する前記多孔性セラミック体の3点曲げ強度が、ISO 6872にしたがって測定した場合、25から180 MPaである、多孔性ケイ酸セラミック体。
- 第2密度が、前記セラミック体の理論的に到達可能な密度に概ね一致する請求項1に記載の多孔性ケイ酸セラミック体。
- 熱膨張率(CTE)が、スキャフォールド用のベニア材料としての使用のために調整され、ISO 6872にしたがって測定される場合、少なくとも7 x 10-6 K-1、特に、7から18 x 10-6 K-1である請求項1および/または2に記載の多孔性ケイ酸セラミック体。
- ISO 6872にしたがって測定されるCTEが、7から16 x 10-6 K-1、特に、12から15 x 10-6 K-1である請求項3に記載の多孔性ケイ酸セラミック体。
- ISO 6872にしたがって測定されるCTEが、7から10 x 10-6 K-1である請求項3に記載の多孔性ケイ酸セラミック体。
- 成形部材として設計される請求項1〜5の少なくとも一項に記載の多孔性ケイ酸セラミック体。
- 保持要素を有する請求項6に記載の多孔性ケイ酸セラミック体。
- マトリックスの中に埋設されている請求項6に記載の多孔性ケイ酸セラミック体。
- 請求項1および/もしくは2または請求項3〜8のいずれかに記載の多孔性ケイ酸セラミック体を加工することによって取得が可能な歯科修復物前駆体。
- 必要に応じて焼結収縮を考慮に入れて、請求項9に記載の歯科修復物前駆体を高密度焼結することによって取得することが可能な歯科修復物。
- 請求項1〜8の少なくとも一項に記載の多孔性ケイ酸セラミック体を加工して、それを相補的スキャフォールドに適用することによって取得することが可能な歯科修復物前駆体。
- 必要に応じて焼結収縮を考慮に入れて、請求項11に記載の歯科修復物前駆体を相補的スキャフォールド上に高密度焼結することによって取得することが可能な歯科修復物。
- 請求項1〜8の少なくとも一項に記載の多孔性ケイ酸セラミック体の歯科技工における使用。
- 以下の工程を含む請求項1〜8の少なくとも一項に記載の多孔性ケイ酸セラミック体の調製プロセス:
設計された表面形態を有する成形体を調製する工程;
必要に応じて、前記成形体から結合剤を除去して、任意に真空下、結合剤を除去してプレフォームを得る工程;
任意に真空下、前記プレフォームを焼結して多孔性成形部材を得る工程。 - 以下の工程を含む歯科修復物の調製プロセス:
請求項1〜8の少なくとも一項に記載の多孔性ケイ酸セラミック体を加工する工程、
a) スキャフォールドの上にベニアを位置づけ、それを焼結焼成に付す工程;
b) この修復物前駆体を高密度焼結して最終的歯科修復物を形成する工程;
c) ベニアを高密度焼結すること、次いで、(焼結、接着性結合、ガラス溶接剤を用いて)スキャフォールドに位置づけ、結合させる工程。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP08160834 | 2008-07-21 | ||
EP08160834.1 | 2008-07-21 | ||
EP2008064602 | 2008-10-28 | ||
EPPCT/EP2008/064602 | 2008-10-28 | ||
EP09156921.0 | 2009-03-31 | ||
EP09156921 | 2009-03-31 | ||
PCT/EP2009/059359 WO2010010087A1 (de) | 2008-07-21 | 2009-07-21 | Poröser silikat-keramischer körper, dentalrestauration sowie verfahren zur herstellung davon |
Related Child Applications (1)
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JP2014244014A Division JP5952381B2 (ja) | 2008-07-21 | 2014-12-02 | 多孔性ケイ酸セラミック体、歯科修復物、及びその製造法 |
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EP (2) | EP2313024B1 (ja) |
JP (2) | JP2011528690A (ja) |
KR (1) | KR20110043604A (ja) |
CN (1) | CN102098981B (ja) |
AU (1) | AU2009273219A1 (ja) |
ES (1) | ES2759566T3 (ja) |
WO (1) | WO2010010087A1 (ja) |
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SE530196C2 (sv) | 2004-09-30 | 2008-03-25 | Nobel Biocare Ab | Förfarande och anordning för att åstadkomma färgsättning eller nyansering av protetik samt sådan protetik |
JP2015515897A (ja) | 2012-05-11 | 2015-06-04 | 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Ivoclar Vivadent AG | 歯科目的のための予備焼結ブランク |
KR102025963B1 (ko) | 2012-05-11 | 2019-09-26 | 이보클라 비바덴트 아게 | 치과용 예비-소결된 블랭크 |
JP6170922B2 (ja) | 2012-07-31 | 2017-07-26 | クラレノリタケデンタル株式会社 | 歯科用ミルブランクの製造方法 |
CN107417274B (zh) | 2013-05-10 | 2021-06-18 | 可乐丽则武齿科株式会社 | 氧化锆烧结体、氧化锆组合物和氧化锆煅烧体和它们的制造方法、以及牙科用修复物 |
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US20170128174A1 (en) | 2014-06-23 | 2017-05-11 | 3M Innovative Properties Company | Process for producing a sintered lithium disilicate glass ceramic dental restoration and kit of parts |
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DE102016115916A1 (de) | 2016-08-26 | 2018-03-01 | Bredent Gmbh & Co. Kg | Verfahren zur Erzeugung von Bearbeitungsdaten zur Herstellung von Zahnprothesen mit einer keramischen Verblendschale und einem Träger |
US11955362B2 (en) | 2017-09-13 | 2024-04-09 | Applied Materials, Inc. | Substrate support for reduced damage substrate backside |
EP3689291B1 (en) * | 2017-09-26 | 2022-08-31 | Kuraray Noritake Dental Inc. | Dental mill blank and method for producing same |
EP3593753A1 (de) * | 2018-07-09 | 2020-01-15 | VITA-ZAHNFABRIK H. Rauter GmbH & Co. KG | Mehrschichtiger formkörper |
CN111451508B (zh) * | 2020-03-02 | 2022-02-18 | 北京大学口腔医学院 | 一种仿釉牙本质界的牙科修复体表面结构设计制作方法 |
KR20240078199A (ko) * | 2022-11-25 | 2024-06-03 | 한국재료연구원 | 경사기능형 세라믹 구조체 제조를 위한 광경화성 슬러리 제조용 키트, 이를 이용하여 제조된 광경화성 슬러리 조성물, 경사기능형 세라믹 구조체 및 이의 제조방법 |
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- 2009-07-21 JP JP2011519148A patent/JP2011528690A/ja active Pending
- 2009-07-21 WO PCT/EP2009/059359 patent/WO2010010087A1/de active Application Filing
- 2009-07-21 AU AU2009273219A patent/AU2009273219A1/en not_active Abandoned
- 2009-07-21 EP EP09800047.4A patent/EP2313024B1/de active Active
- 2009-07-21 EP EP19184766.4A patent/EP3569189A1/de not_active Withdrawn
- 2009-07-21 US US12/737,491 patent/US20110183297A1/en not_active Abandoned
- 2009-07-21 CN CN200980128482.6A patent/CN102098981B/zh active Active
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2013
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2014
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Also Published As
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---|---|
ES2759566T3 (es) | 2020-05-11 |
US20110183297A1 (en) | 2011-07-28 |
EP3569189A1 (de) | 2019-11-20 |
JP5952381B2 (ja) | 2016-07-13 |
US10322973B2 (en) | 2019-06-18 |
JP2015107968A (ja) | 2015-06-11 |
EP2313024A1 (de) | 2011-04-27 |
CN102098981B (zh) | 2014-05-07 |
US10266452B2 (en) | 2019-04-23 |
CN102098981A (zh) | 2011-06-15 |
EP2313024B1 (de) | 2019-09-11 |
US20150050619A1 (en) | 2015-02-19 |
KR20110043604A (ko) | 2011-04-27 |
AU2009273219A1 (en) | 2010-01-28 |
US20140070435A1 (en) | 2014-03-13 |
WO2010010087A1 (de) | 2010-01-28 |
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