JP6154806B2 - セラミック材料から作られた本体 - Google Patents
セラミック材料から作られた本体 Download PDFInfo
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- JP6154806B2 JP6154806B2 JP2014516226A JP2014516226A JP6154806B2 JP 6154806 B2 JP6154806 B2 JP 6154806B2 JP 2014516226 A JP2014516226 A JP 2014516226A JP 2014516226 A JP2014516226 A JP 2014516226A JP 6154806 B2 JP6154806 B2 JP 6154806B2
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- Prior art keywords
- calcium
- main body
- body according
- phase
- ceramic material
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- 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.)
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- 229910010293 ceramic material Inorganic materials 0.000 title claims description 29
- 239000011575 calcium Substances 0.000 claims description 83
- 229910052791 calcium Inorganic materials 0.000 claims description 62
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 58
- 239000000919 ceramic Substances 0.000 claims description 30
- 239000007943 implant Substances 0.000 claims description 25
- 239000004053 dental implant Substances 0.000 claims description 21
- 210000000988 bone and bone Anatomy 0.000 claims description 19
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims description 17
- 230000005660 hydrophilic surface Effects 0.000 claims description 15
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 14
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 13
- 239000000292 calcium oxide Substances 0.000 claims description 13
- 238000007788 roughening Methods 0.000 claims description 11
- 238000011282 treatment Methods 0.000 claims description 7
- 239000013078 crystal Substances 0.000 claims description 6
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical group [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910001424 calcium ion Inorganic materials 0.000 claims description 5
- 210000004872 soft tissue Anatomy 0.000 claims description 4
- 229910001233 yttria-stabilized zirconia Inorganic materials 0.000 claims description 4
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- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 12
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
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- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 3
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 2
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- KRKNYBCHXYNGOX-UHFFFAOYSA-K Citrate Chemical compound [O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O KRKNYBCHXYNGOX-UHFFFAOYSA-K 0.000 description 1
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- 229910002087 alumina-stabilized zirconia Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
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- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- ICSSIKVYVJQJND-UHFFFAOYSA-N calcium nitrate tetrahydrate Chemical compound O.O.O.O.[Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ICSSIKVYVJQJND-UHFFFAOYSA-N 0.000 description 1
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- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 description 1
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/74—Physical characteristics
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- C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
- C04B2235/70—Aspects relating to sintered or melt-casted ceramic products
- C04B2235/96—Properties of ceramic products, e.g. mechanical properties such as strength, toughness, wear resistance
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- Y10T428/00—Stock material or miscellaneous articles
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- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
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Description
公開第1982670号明細書は、その表面の少なくとも一部をフッ化水素酸を含む溶液を用いてエッチングする方法を開示する。
るのに特に適した状態にする。
好ましい。
a)カルシウム塩(例えば、温度、水、空気等に対して不安定である、Ca(HCO3)2のようなアニオンを含むこれらの塩も含有する)、酸化カルシウム、水酸化カルシウム、金属カルシウム及びカルシウム含有ゲルからなる群から選択された少なくとも一種のカルシウム化合物を、基礎のセラミック本体の表面に塗布すること、
b)基礎のセラミック本体を、その上に塗布されたカルシウム化合物で、200℃よりも高い温度で熱処理し、カルシウム化合物ベースのカルシウム成分をセラミック材料中に拡散させること、
からなる連続ステップを含む。
これにより、水溶液を用いてリンスすることがカルシウム成分を除去しないという意味で、カルシウム成分とセラミック本体の安定な結合が形成される、
(drop casting)によって、紛体に埋め込まれることによって、例えばCaCO3が使用される場合はスピンコーティング、電気泳動、サンドブラストの使用によって、またはプラズマ侵入イオン注入法(PIII)によって実施できる。
れる。
0.02MのCa(OH)2水溶液の作製(1480mg/L)
試料の調製
滑らかで磨かれた表面を有する直径14mmの平滑なZrO2ディスク(東ソー)を、塩基性の無リン洗浄剤(マックス エフ ケラー ゲーエムベーハー、マンハイム、製のデコネックス 15PF)で洗浄し、5分間超音波処理し、標準酸素プラズマ洗浄(ディーナー エレクトロニクス ゲーエムベーハーとコーポレーション カーゲー エブハウゼン、ドイツ国、による型番“フェムト”;35ワット、6sccm(“標準立法センチメートル/分”;標準圧力、即ち1013mbarで1cm3/分)、O2ガス流、p≒0.1mbar、時間=2.5分、を使用)を行った。
Mに浸漬し、その後−依然として完全に湿ったまま−高温のオーブン中で650℃2時間熱処理した。この処理は、強い吸湿性のCaOの形成を生じさせた。
3つのサンプルに関して、接触角を液滴法(イージードロップ DSA20 E、クルス ゲーエムベーハー)に従って、純水を使用して測定した。それぞれ、より親水性のサンプルについては、0.3μLの液滴のサイズを選択し、より少ない親水性のサンプルについては、3.0μLの液滴のサイズを選択した。接触角は表面上を占める液滴の輪郭に円弧関数(circular segment function)を当てはめることによって計算した。
Ca(HCO3)2 0.02Mの水溶液を下記手順に従って調製した:
0.02M Ca(OH)2溶液を調製し、そしてCa(OH)2溶液から不要なCaCO3汚染物質を分離するために滅菌濾過した。(CaCO3の存在により)最初に濁った
溶液が再び透明になるまで、CO2を溶液に供給した。
滑らかで研磨された面を有する直径14mmの平滑なZrO2ディスク(東ソー)を、洗浄し、超音波処理し、そして実施例1に記載された手順に従って標準酸素プラズマ洗浄を行った。それらを、夫々950℃(2a)又は1200℃(2b)の高温のオーブン中で熱処理する前に、0.02MのCa(HCO3)2溶液100μLをピペットを使用してディスク上に置いた。これは、最初に、これらの温度でCaOとCO2とがさらに反応したCaCO3の形成を生じさせた。
調製方法
サンプルの調製
滑らかで、研磨された表面を有する直径14mmを備を有する、平滑なSrO2ディスク(東ソー)を、塩基性の無リン酸洗浄剤(マックス エフ.ケラー ゲーエムベーハー、マンハイム製デコネックス15PF)を用いて洗浄し、そして5分間超音波処理し、そして酸素プラズマ洗浄した(ディーナー エレクトロニック ゲーエムベーハー+シーオー.カーゲー、エブハウゼン、ドイツ国、製の型番“フェムト”の装置;35W、6sccm(“標準立法センチメートル/分”、標準圧力、即ち1013mbarで1cm3/分)、O2ガス流、p≒0.1mbar、時間=2.5分、を使用)。
−実施例3a;780℃で2時間
−実施例3b;950℃で2時間
−実施例3c;950℃で16時間
サンプルの調製
滑らかで、研磨された表面を有する直径14mmの平滑なZrO2ディスク(東ソー)を洗浄し、超音波処理し、そして実施例1にお記載された手順に従う最後の工程として超純水でリンスした。
二つのガラスビーカーに水(各々約300mL)を満たし、そしてゆっくり旋回運動を行いながら、各々のビーカーに約5秒間、2回浸漬した。次いで、前述のリンス工程を繰り返す前に、それらを5分間超音波処理した。
さらに実施例4aとして、圧縮されたZrO2のディスク(東ソー−ジルコニア TZ−3YSB−E)を、焼結オーブン(ナーバザム;600℃で2時間の保持時間に加えてゆっくりとした温度増加を含む)中で2時間1350℃の温度で予備焼結した。次いで、得られた予備焼結されたディスクをAl2O3皿にディスクを置いてそしてふるいを通してその上にCaCO3粉末を振り掛けることによりCaCO3粉末で覆った(約15mg/ディスク)。次いで、最終焼結を1450℃で2時間を実施した。
図として示されるように、実施例4aに従うディスクのXPS測定は、5μmの深さでさえも、材料が10%より多くのカルシウムの標準原子濃度を有すること、及びカルシウムが約10μmの深さでさえも存在していることを明らかにした。
結晶構造を決定するために、ディスクを、θ/θ(シータ/シータ)−コンステレーション(放射線源:Cu(40kV/40mA);入射角の範囲:20°乃至70°;ステ
ップ幅:0.026°;測定時間/測定点:300s)におけるエンピリアン型(パナリティカル社)の回折計を使用したX線回折(XRD)によって更に分析した。
さらに、サンプル(実施例5)を焼結材料(MZ111)の(酸エッチングされ及びサンド−ブラストされた)ディスク上にカルシウム含有ゲルを塗布することによって調製した。
Claims (16)
- ジルコニアを含むセラミック材料から作られた本体であって、
該本体はインプラントであり、そしてその一体化部分として、本体の表面から所定の深さにまで到達する表面領域を含み、
該表面領域はカルシウム成分で豊富化され、それにより
親水性表面部位を形成してなり、
該セラミック材料は、該表面領域に、少なくともカルシウム含有結晶相を含み、
該結晶相はCa−Zr−O含有相である、
本体。 - 前記カルシウム成分が、表面領域のセラミック材料中に統合されている、請求項1記載の本体。
- 前記カルシウム成分が、カルシウムイオン又はカルシウム酸化物である、請求項1又は請求項2に記載の本体。
- 前記表面領域が、最大で10μmの深さにまで達する、請求項1乃至請求項3の何れか1項に記載の本体。
- 前記表面領域が、最大で1μmの深さにまで達する、請求項4に記載の本体。
- 前記表面領域における前記カルシウム成分の割合が、本体の残り部分よりも高い、請求項1乃至請求項5の何れか1項に記載の本体。
- 前記カルシウム成分の割合が、本体の所定の深部から表面まで連続的に増加する、請求項1乃至請求項6の何れか1項に記載された本体。
- 前記親水性表面部位は、90°未満の接触角によって定められる、請求項1乃至請求項
7の何れか1項に記載の本体。 - 前記セラミック本体が、歯科用インプラントである、前記請求項1乃至請求項8の何れか1項に記載の本体。
- 前記親水性表面部位は、少なくとも、骨と接触するように図られている本体の部分に形成されている、請求項1乃至請求項9の何れか1項に記載に本体。
- 前記親水性表面部位は、少なくとも、軟組織と接触するように図られている本体の部分に形成されている、請求項1乃至請求項10の何れか1項に記載の本体
- 前記親水性表面部位は、本体の全表面に形成されている、請求項1乃至請求項11の何れか1項に記載の本体。
- 前記セラミック材料は、イットリア安定化ジルコニアを含む、請求項1乃至請求項12の何れか1項に記載の本体。
- 前記結晶相が、CaO−ZrO2相である、請求項1乃至請求項13の何れか1項に記載の本体。
- 前記結晶相が、単斜晶CaZr4O9相、立方晶CaZrO3相及び斜方晶CaZrO3相からなる群から選択される、請求項14に記載の本体。
- 親水性表面部位の少なくとも一部が、表面粗面化処理によって得られ得る増加した表面粗さを有している、請求項1乃至請求項15の何れか1項に記載の本体。
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PCT/EP2012/002646 WO2012175218A1 (en) | 2011-06-24 | 2012-06-22 | Body made of a ceramic material |
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WO2023032947A1 (ja) | 2021-08-31 | 2023-03-09 | 株式会社丸ヱム製作所 | 生体適合性材料およびその製造方法 |
JP7504044B2 (ja) | 2021-02-25 | 2024-06-21 | 未来工業株式会社 | 配設体設置構造、配設体、および、配設体の設置方法 |
JP7527224B2 (ja) | 2021-02-25 | 2024-08-02 | 未来工業株式会社 | 支持装置、支持構造、および、器具の設置方法 |
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US10759706B2 (en) | 2012-12-24 | 2020-09-01 | Straumann Holding Ag | Body made of a ceramic material |
JP6305425B2 (ja) | 2012-12-24 | 2018-04-04 | ストラウマン ホールディング アーゲー | セラミック材料で作られている本体 |
GB2521621A (en) * | 2013-12-23 | 2015-07-01 | Straumann Holding Ag | Process for providing a defined surface topography to at least a portion of a ceramic body |
EP3034033A1 (en) | 2014-12-16 | 2016-06-22 | Nobel Biocare Services AG | Dental implant |
JP7316827B2 (ja) * | 2018-04-13 | 2023-07-28 | クラレノリタケデンタル株式会社 | ジルコニア強化剤、強化方法及び歯冠修復物 |
CN108373328B (zh) * | 2018-04-22 | 2023-04-25 | 杭州而然科技有限公司 | 一种遮色氧化锆贴面 |
USD917204S1 (en) | 2019-01-30 | 2021-04-27 | Allan Wendling | Pair of corner devices for a floor covering |
USD932799S1 (en) | 2019-09-16 | 2021-10-12 | Just Fur Love, LLC | Corner device for a floor covering |
USD917925S1 (en) | 2019-09-16 | 2021-05-04 | Allan Wendling | Corner device for a floor covering |
EP3977959B1 (de) * | 2020-09-30 | 2024-07-31 | Ivoclar Vivadent AG | Verfahren zur herstellung eines dentalen formkörpers |
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2012
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP7504044B2 (ja) | 2021-02-25 | 2024-06-21 | 未来工業株式会社 | 配設体設置構造、配設体、および、配設体の設置方法 |
JP7527224B2 (ja) | 2021-02-25 | 2024-08-02 | 未来工業株式会社 | 支持装置、支持構造、および、器具の設置方法 |
WO2023032947A1 (ja) | 2021-08-31 | 2023-03-09 | 株式会社丸ヱム製作所 | 生体適合性材料およびその製造方法 |
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JP6336150B2 (ja) | 2018-06-06 |
US20140141201A1 (en) | 2014-05-22 |
EP2723411B1 (en) | 2017-04-12 |
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