JP2005516878A - ステレオリソフォトグラフィーによりセラミック部品を作製するための方法および組成物、ならびに歯科分野における用途 - Google Patents
ステレオリソフォトグラフィーによりセラミック部品を作製するための方法および組成物、ならびに歯科分野における用途 Download PDFInfo
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Abstract
Description
-体積含有率で少なくとも58%のアルミナを含むペースト状組成物を使用する;
-体積含有率で60〜70%のアルミナを含むペースト状組成物を使用する;
-体積含有率で約62〜63%のアルミナを含むペースト状組成物を使用する;
-粘性率より弾性率のほうが大きい組成物を使用する;
-体積含有率で49〜55%のジルコニアを含むペースト状組成物を使用する;
-三官能性の光硬化樹脂を使用する;
-光硬化樹脂としてアクリル酸樹脂を使用する;
-以下の物質からなる群より選択されるアクリル酸樹脂を使用する:
・ジエトキシ化ビスフェノールAジメタクリレート(例:AKZOより入手可能のDiacryl 101)、
・1,6-ヘキサンジオール・ジアクリレート(例:UCBより入手可能のHDDA);
-樹脂に対して体積比20〜50%の可塑剤を含むペースト状組成物を使用する;
-可塑剤が、グリコール類(例:ポリエチレングリコール)、フタレート類(例:ジブチルフタレート)、およびグリセロールからなる群より選択される1つまたは複数の物質である、ペースト状組成物を使用する。
-2,2'-ジメトキシ-2-フェニルアセトフェノン
(例:CIBAより入手可能のIrgacure 651)
-2-ヒドロキシ-2-メチル-1-フェニル-プロパン-1-オン
(例:CIBAより入手可能のDarocure 1173)。
(2)AKZOより入手可能のジアクリル(Diacryl) 101(ペーストA)、クレーバリー(CRAY VALLEY)より入手可能のCN 503(ペーストB)
(3)CIBAより入手可能のイルガキュア(Irgacure) 651
(4)CECAより入手可能のベイコスタット(Beycostat) A 259(ペーストA)、C213(ペーストB),
(5)メルク(Merck)より入手可能のPEG 300
-セラミック: 151 cm3
-樹脂: 91 cm3
-光開始剤: 5 cm3
-分散剤: 39 cm3
-湿潤剤: 7.2 cm3
-可塑剤: 32 cm3
-キャップの金属を覆い、良好な半透明性および色調を与えるため;
-微小割れのない安定な系を得るための膨張係数を確保するため。
-セラミックパウダー: ZrO2(49%)
-樹脂: クレーバレーより入手可能のCN503(30.6%)
-光開始剤: チバより入手可能のイルガキュア 369
チバより入手可能のイルガキュア 819
チバより入手可能のイルガキュア 907
-分散剤: CECAより入手可能のベイコスタット C213(5.5%)
-可塑剤: アクロスオーガニクス(Acros Organics)より入手可能のジブチルフタレート(4.6%)
-流動剤: テゴ(Tego)より入手可能のラッド(Rad)2100(2.8%)
テゴより入手可能のラッド2500(2.9%)
テゴより入手可能のグライド(Glide)450(2.9%)
-消泡剤: テゴより入手可能のフォアメックス(Foamex)N(2.9%)
Claims (17)
- 高速プロトタイピング手順によってセラミック片を作製する方法であって、
該手順は、セラミックパウダー、光硬化樹脂、光開始剤、分散剤、可能な補助剤の混合物を含むペースト状組成物の薄い層を支持体上に付着させ、適切な放射線の作用によって1つまたは複数の選択した領域においてこの層を局所的に硬化させ、このように処理した層の上に新たな層を溶着させる操作を含み、以上の操作は、処理前の状態においてすべての硬化部分により所望の小片が形成されるまで繰り返され、硬化しなかった部分を除去し、処理前の小片から有機成分を熱分解(結合切断)により除去し、この小片を焼結させる、ならびに該手順は、焼結中に該小片にクラッキングが起きないよう、硬化中に該小片内に生じる応力を消失させるかまたは最小限まで低減させるために、硬化性樹脂の量に対して相対的に選択した量の可塑剤を該組成物に混合すること、および、ペーストが「自己保持」するように、すなわちペーストがそれ自体で流れていくことなく且つ1つの層の未硬化部分が次の層を支持できるように、流速勾配0.1秒-1における組成物の粘稠度が少なくとも10,000 Paとなるような十分量のセラミックパウダーを含む組成物を使用することを特徴とする、方法。 - 請求項1に記載の方法を用いてセラミック片を作製するためのペースト状組成物であって、セラミックパウダーと、光硬化樹脂と、光開始剤と、分散剤と、可能な補助剤を含み、且つ、焼結中に該小片にクラッキングが起きないよう、硬化中に該小片内に生じる応力を消失させるかまたは最小限まで低減させるために、選択した量の可塑剤を含むこと、および、ペーストが「自己保持」するように、すなわちペーストがそれ自体で流れていくことなく且つ1つの層の未硬化部分が次の層を支持できるように、流速勾配0.1秒-1における組成物の粘稠度が少なくとも10 000 Paとなるようセラミックパウダーの割合が十分であること、を特徴とする組成物。
- 弾性率が粘性率より大きい、請求項2に記載の組成物。
- 樹脂に対して体積比20〜50%の可塑剤を含む、請求項2または3記載の組成物。
- 可塑剤が、グリコール類、フタレート類、およびグリセロールからなる群より選択される1つまたは複数の物質である、請求項2〜4のいずれか一項記載の組成物。
- 光硬化樹脂として三官能性の樹脂を含む、請求項2〜5のいずれか一項記載の組成物。
- 光硬化樹脂としてアクリル酸樹脂を含む、請求項1〜6のいずれか一項記載の組成物。
- 光硬化樹脂が以下の樹脂からなる群より選択される、請求項7に記載の組成物:
-ジエトキシ化ビスフェノールAジメタクリレート
-1,6-ヘキサンジオール・ジアクリレート。 - 組成物の全体積に対してセラミックパウダーを(体積比で)少なくとも58%含む、請求項2〜8のいずれか一項記載の組成物。
- セラミックパウダーを(体積比で)60〜70%含む、請求項9に記載の組成物。
- セラミックパウダーを(体積比で)約62〜63%含む、請求項10に記載の組成物。
- セラミックパウダーがアルミナパウダーである、請求項9〜11のいずれか一項記載の組成物。
- セラミックパウダーが安定化ジルコニアパウダーである、請求項2〜8のいずれか一項記載の組成物。
- 組成物の全体積に対してジルコニアパウダーを体積比で49〜55%含む、請求項13に記載の組成物。
- ジルコニアにアルミナを添加する、請求項14に記載の組成物。
- キャップ、ブリッジ、およびその他の歯科用構造物の作製を目的とした、請求項1記載の方法および請求項2〜15のいずれか一項記載の組成物の用途。
- 厚さ25 μm以下の層を用いて方法が実施される、請求項16に記載の用途。
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FR0201599A FR2835827B1 (fr) | 2002-02-08 | 2002-02-08 | Procede et composition pour fabriquer une piece en matiere ceramique par prototypage rapide et pieces obtenues |
FR0301312A FR2835828B1 (fr) | 2002-02-08 | 2003-02-05 | Procede et composition pour la fabrication de pieces ceramiques par stereo-lithophotographie et application au domaine dentaire |
PCT/FR2003/000391 WO2003066326A2 (fr) | 2002-02-08 | 2003-02-07 | Procede et composition pour la fabrication de pieces ceramiques par stereo-lithophotographie et application au domaine dentaire |
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US (1) | US20050090575A1 (ja) |
EP (1) | EP1472081B1 (ja) |
JP (1) | JP4317027B2 (ja) |
AU (1) | AU2003222892A1 (ja) |
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Cited By (2)
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JP2010031279A (ja) * | 2008-07-30 | 2010-02-12 | Ivoclar Vivadent Ag | 歯科用セラミックの立体リトグラフによる調製のための光硬化性スリップ |
JP2019155121A (ja) * | 2014-10-10 | 2019-09-19 | エス.ア.エス. スリーディーセラム − シントー | 骨欠損の補填用の合成ブロック及びその製造方法 |
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DE10326040A1 (de) * | 2003-06-10 | 2004-12-30 | Robert Bosch Gmbh | Verfahren zur Herstellung von keramischen Grünfolien für keramische Bauteile |
US7713896B2 (en) | 2004-04-14 | 2010-05-11 | Robert Bosch Gmbh | Method for producing ceramic green compacts for ceramic components |
DE102005058118A1 (de) * | 2005-11-29 | 2007-06-06 | Siemens Ag | Verfahren zum Herstellen keramischer Bauteile, insbesondere Gussformen |
EP2114476A4 (en) * | 2007-02-07 | 2012-12-26 | Univ Mcgill | BIOKERAMIC IMPLANTS WITH BIOACTIVE SUBSTANCE |
EP1992302A1 (en) | 2007-05-15 | 2008-11-19 | 3M Innovative Properties Company | Method of making a facing for a dental restoration, facing for a dental restoration, and method of making a dental restoration |
EP2277178A4 (en) * | 2008-04-14 | 2011-04-20 | Rolls Royce Corp | STEREOLITHOGRAPHIC MANUFACTURE OF FIELD-ACTIVATED COMPONENTS |
US20100055423A1 (en) * | 2008-09-04 | 2010-03-04 | Xerox Corporation | Machine Readable Code Comprising Ultra-Violet Curable Gellant Inks |
GB0822751D0 (en) | 2008-12-15 | 2009-01-21 | 3M Innovative Properties Co | Method of making a dental restoration, and system for design and manufacturing a dental restoration |
EP2404590B1 (de) | 2010-07-08 | 2019-06-12 | Ivoclar Vivadent AG | Lichthärtende Keramikschlicker für die stereolithographische Herstellung von hochfesten Keramiken |
EP2450000A1 (en) | 2010-11-09 | 2012-05-09 | 3M Innovative Properties Company | Process for producing a dental article, article obtainable by this process and uses thereof |
FR2975893B1 (fr) | 2011-05-30 | 2013-07-12 | 3Dceram | Implant renforce en ceramique biocompatible et son procede de fabrication |
FR2990860B1 (fr) * | 2012-05-23 | 2014-05-23 | 3Dceram | Structure ceramique poreuse |
FR3028851B1 (fr) * | 2014-11-24 | 2018-03-16 | S.A.S 3Dceram-Sinto | Procede de fabrication d'une piece ceramique en zircone coloree |
EP3147707B1 (de) | 2015-09-25 | 2019-04-24 | Ivoclar Vivadent AG | Keramik- und glaskeramikschlicker für die stereolithography |
WO2019104079A1 (en) * | 2017-11-22 | 2019-05-31 | 3M Innovative Properties Company | Orthodontic articles comprising polymerized composition comprising at least two free-radical initiators |
US11904031B2 (en) * | 2017-11-22 | 2024-02-20 | 3M Innovative Properties Company | Orthodontic articles comprising polymerized composition comprising at least two free-radical initiators |
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EP3659989A1 (de) | 2018-11-29 | 2020-06-03 | Ivoclar Vivadent AG | Schlicker und verfahren zur herstellung von keramischen und glaskeramischen 3d strukturen |
FR3092109B1 (fr) | 2019-01-25 | 2023-12-08 | Commissariat Energie Atomique | Composition et procédé pour fabriquer des pièces constituées par des céramiques oxydes ou des pièces hybrides par une technique de stéréolithographie. |
EP4331841A1 (en) | 2022-08-31 | 2024-03-06 | FACT Industries OÜ | A composition for preparing a ceramic product by stereolithography, a ceramic product, and a method of manufacturing a ceramic product |
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FR2788268B1 (fr) * | 1999-01-11 | 2002-05-31 | Ct De Transfert De Technologie | Composition ceramique pateuse pour l'alimentation d'une machine de prototypage rapide et procede de fabrication |
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- 2003-02-05 FR FR0301312A patent/FR2835828B1/fr not_active Expired - Lifetime
- 2003-02-07 AU AU2003222892A patent/AU2003222892A1/en not_active Abandoned
- 2003-02-07 WO PCT/FR2003/000391 patent/WO2003066326A2/fr active Application Filing
- 2003-02-07 JP JP2003565732A patent/JP4317027B2/ja not_active Expired - Lifetime
- 2003-02-07 EP EP03718849.7A patent/EP1472081B1/fr not_active Expired - Lifetime
- 2003-02-07 US US10/503,573 patent/US20050090575A1/en not_active Abandoned
Cited By (3)
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JP2010031279A (ja) * | 2008-07-30 | 2010-02-12 | Ivoclar Vivadent Ag | 歯科用セラミックの立体リトグラフによる調製のための光硬化性スリップ |
JP2019155121A (ja) * | 2014-10-10 | 2019-09-19 | エス.ア.エス. スリーディーセラム − シントー | 骨欠損の補填用の合成ブロック及びその製造方法 |
JP7059223B2 (ja) | 2014-10-10 | 2022-04-25 | エス.ア.エス. スリーディーセラム - シントー | 骨欠損の補填用の合成ブロック及びその製造方法 |
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Publication number | Publication date |
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FR2835828A1 (fr) | 2003-08-15 |
EP1472081A2 (fr) | 2004-11-03 |
WO2003066326A2 (fr) | 2003-08-14 |
EP1472081B1 (fr) | 2015-04-01 |
JP4317027B2 (ja) | 2009-08-19 |
AU2003222892A8 (en) | 2003-09-02 |
WO2003066326A3 (fr) | 2004-03-25 |
US20050090575A1 (en) | 2005-04-28 |
FR2835828B1 (fr) | 2006-07-14 |
AU2003222892A1 (en) | 2003-09-02 |
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