JP2020193191A - 歯科切削加工用バルクブロック及びその製造方法 - Google Patents
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- 238000000034 method Methods 0.000 claims abstract description 28
- 238000002834 transmittance Methods 0.000 claims abstract description 24
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- WVMPCBWWBLZKPD-UHFFFAOYSA-N dilithium oxido-[oxido(oxo)silyl]oxy-oxosilane Chemical compound [Li+].[Li+].[O-][Si](=O)O[Si]([O-])=O WVMPCBWWBLZKPD-UHFFFAOYSA-N 0.000 claims abstract description 18
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 10
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- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 description 3
- 229910052912 lithium silicate Inorganic materials 0.000 description 3
- 239000000155 melt Substances 0.000 description 3
- 229910052573 porcelain Inorganic materials 0.000 description 3
- 241000282414 Homo sapiens Species 0.000 description 2
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
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- 229910052697 platinum Inorganic materials 0.000 description 2
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- 229910018068 Li 2 O Inorganic materials 0.000 description 1
- 229910008556 Li2O—Al2O3—SiO2 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
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 1
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- C03B27/00—Tempering or quenching glass products
- C03B27/012—Tempering or quenching glass products by heat treatment, e.g. for crystallisation; Heat treatment of glass products before tempering by cooling
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- A—HUMAN NECESSITIES
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- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/0003—Making bridge-work, inlays, implants or the like
- A61C13/0022—Blanks or green, unfinished dental restoration parts
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/08—Artificial teeth; Making same
- A61C13/082—Cosmetic aspects, e.g. inlays; Determination of the colour
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C13/00—Dental prostheses; Making same
- A61C13/08—Artificial teeth; Making same
- A61C13/083—Porcelain or ceramic teeth
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- 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
- A61K6/836—Glass
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- 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
- A61K6/849—Preparations for artificial teeth, for filling teeth or for capping teeth comprising inorganic cements
- A61K6/853—Silicates
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B32/00—Thermal after-treatment of glass products not provided for in groups C03B19/00, C03B25/00 - C03B31/00 or C03B37/00, e.g. crystallisation, eliminating gas inclusions or other impurities; Hot-pressing vitrified, non-porous, shaped glass products
- C03B32/02—Thermal crystallisation, e.g. for crystallising glass bodies into glass-ceramic articles
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- 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
- C03C1/00—Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
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- 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
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
-
- 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
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0018—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents
- C03C10/0027—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing SiO2, Al2O3 and monovalent metal oxide as main constituents containing SiO2, Al2O3, Li2O as main constituents
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- 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
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
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- 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
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
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- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/097—Glass compositions containing silica with 40% to 90% silica, by weight containing phosphorus, niobium or tantalum
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- 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
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- 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
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- 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
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Abstract
Description
本発明は、天然歯と類似したマルチグラデーション(Multi−gradation)透過性及び物性を発現する人工歯修復材料の製造に使用できる歯科切削加工用バルクブロックを簡易に製造することができる方法を提供することをまた他の目的とする。
Claims (13)
- 主結晶相が二ケイ酸リチウムであり、副結晶相がシリケートである結晶質を含み、その残りはガラス質であり、
深さ方向に結晶質サイズの勾配を有し、結晶質サイズの勾配値の変化点に界面が存在しない傾斜機能材料である
ことを特徴とする歯科切削加工用バルクブロック。 - 結晶質サイズの勾配は、平均粒径が5nm〜5.5μmの範囲のものである
請求項1に記載の歯科切削加工用バルクブロック。 - 結晶質サイズの勾配は、平均粒径が5nm〜2,000nmの範囲のものである
請求項1に記載の歯科切削加工用バルクブロック。 - 結晶質サイズの勾配は、平均粒径が30nm〜500nmの範囲のものである
請求項1に記載の歯科切削加工用バルクブロック。 - 結晶質サイズの勾配は、平均粒径が300nm〜500nmの範囲のものである
請求項1に記載の歯科切削加工用バルクブロック。 - 深さ方向に光透過率の勾配を有する
請求項1に記載の歯科切削加工用バルクブロック。 - 光透過率の勾配は、550nmの基準波長で20〜80%の範囲のものである
請求項6に記載の歯科切削加工用バルクブロック。 - 深さ方向に屈曲強度の勾配を有する
請求項1に記載の歯科切削加工用バルクブロック。 - 屈曲強度の勾配は、250MPa〜625MPaの範囲内にある
請求項8に記載の歯科切削加工用バルクブロック。 - 同じガラス組成物から製造されたものである
請求項1に記載の歯科切削加工用バルクブロック。 - 同じガラス組成物は、SiO260〜83重量%、Li2O10〜15重量%、P2O52〜6重量%、Al2O31〜5重量%、SrO0.1〜3重量%、ZnO0.1〜2重量%、着色剤(colorant)1〜5重量%、およびNa2OとK2Oとの混合物2.5〜6重量%を含むガラス組成物である
請求項10に記載の歯科切削加工用バルクブロック。 - SiO260〜83重量%、Li2O10〜15重量%、P2O52〜6重量%、Al2O31〜5重量%、SrO0.1〜3重量%、ZnO0.1〜2重量%、着色剤(colorant)1〜5重量%、およびNa2OとK2Oとの混合物2.5〜6重量%を含むガラス組成物から所定形状のブロックを作製するステップと、
前記ブロックを温度400〜850℃の範囲で熱処理するが、ブロックの深さ方向に温度勾配を与えて熱処理するステップと、を含む
ことを特徴とする歯科切削加工用バルクブロックの製造方法。 - 前記熱処理するステップは、温度勾配熱処理炉で作動温度400〜1000℃下で行われる
請求項12に記載の歯科切削加工用バルクブロックの製造方法。
Applications Claiming Priority (2)
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KR1020190063140A KR102246195B1 (ko) | 2019-05-29 | 2019-05-29 | 절삭가공을 위한 치과용 벌크 블록 및 그 제조방법 |
KR10-2019-0063140 | 2019-05-29 |
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JP2020193191A true JP2020193191A (ja) | 2020-12-03 |
JP6986285B2 JP6986285B2 (ja) | 2021-12-22 |
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US (1) | US11104600B2 (ja) |
EP (2) | EP4234505A3 (ja) |
JP (1) | JP6986285B2 (ja) |
KR (1) | KR102246195B1 (ja) |
CN (1) | CN110590163A (ja) |
AU (1) | AU2019448021B2 (ja) |
BR (1) | BR112021023578B1 (ja) |
MX (1) | MX2021014429A (ja) |
WO (1) | WO2020241974A1 (ja) |
Cited By (2)
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JP2022055274A (ja) * | 2020-09-28 | 2022-04-07 | ハス カンパニー リミテッド | 切削加工のための歯科用バルクブロック及びその製造方法 |
JP2023534777A (ja) * | 2021-06-15 | 2023-08-14 | ハス カンパニー リミテッド | 歯科用バルクブロック及びその製造方法 |
Families Citing this family (10)
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KR102446071B1 (ko) * | 2020-09-28 | 2022-09-22 | 주식회사 하스 | 절삭가공을 위한 치과용 벌크 블록 및 그 제조방법 |
CN113024120B (zh) * | 2021-03-31 | 2022-11-15 | 山东国瓷功能材料股份有限公司 | 具有透度及颜色渐变效果的二硅酸锂玻璃陶瓷的制备方法 |
JP2024519122A (ja) | 2021-05-28 | 2024-05-08 | ハス カンパニー リミテッド | 切削加工のための歯科用バルクブロック及びその製造方法 |
KR102582075B1 (ko) * | 2021-05-28 | 2023-09-22 | 주식회사 하스 | 절삭가공을 위한 치과용 벌크 블록 및 그 제조방법 |
KR102555859B1 (ko) * | 2021-05-28 | 2023-07-14 | 주식회사 하스 | 절삭가공을 위한 치과용 벌크 블록 및 그 제조방법 |
EP4349300A1 (en) | 2021-05-28 | 2024-04-10 | Hass Co., Ltd. | Dental bulk block for cutting machining and manufacturing method therefor |
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EP4234505A3 (en) | 2024-02-14 |
BR112021023578B1 (pt) | 2023-04-11 |
KR102246195B1 (ko) | 2021-04-29 |
JP6986285B2 (ja) | 2021-12-22 |
MX2021014429A (es) | 2022-02-10 |
US20200377403A1 (en) | 2020-12-03 |
AU2019448021B2 (en) | 2023-10-19 |
US11104600B2 (en) | 2021-08-31 |
EP3744696A1 (en) | 2020-12-02 |
CN110590163A (zh) | 2019-12-20 |
KR20200137198A (ko) | 2020-12-09 |
AU2019448021A1 (en) | 2021-12-23 |
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EP4234505A2 (en) | 2023-08-30 |
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