CN105924156A - Dental zirconia ceramic restoration and preparation method thereof - Google Patents

Dental zirconia ceramic restoration and preparation method thereof Download PDF

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Publication number
CN105924156A
CN105924156A CN201610275447.9A CN201610275447A CN105924156A CN 105924156 A CN105924156 A CN 105924156A CN 201610275447 A CN201610275447 A CN 201610275447A CN 105924156 A CN105924156 A CN 105924156A
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Prior art keywords
dental zirconia
zirconia ceramics
oxide
dummy
stirring
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刘谋山
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Chengdu Besmile Biotechnology Co Ltd
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Chengdu Besmile Biotechnology Co Ltd
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Priority to CN201610275447.9A priority Critical patent/CN105924156A/en
Priority to PCT/CN2016/084125 priority patent/WO2017185468A1/en
Publication of CN105924156A publication Critical patent/CN105924156A/en
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    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K6/00—Preparations for dentistry
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    • A—HUMAN NECESSITIES
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Abstract

The invention discloses dental zirconia ceramic restoration and a preparation method thereof. The dental zirconia ceramic restoration is composed of zirconia, alumina, ceramic powder, cellulose powder, yttrium oxide, a dispersant, a water-soluble binder, pseudo-ginseng extract and a coloring agent. The preparation method for the dental zirconia ceramic restoration comprises the following steps: weighing, grinding, stirring and drying. The dental zirconia ceramic restoration obtained in the invention has high hardness; used raw materials are widely available and beneficial for human health; and since the coloring agent is used as a component of the dental zirconia ceramic restoration, individual needs of modern society are met and wide market prospects are obtained. The preparation method for the dental zirconia ceramic restoration is simple to operate, convenient in preparation, low in cost and suitable for industrial large-scale production.

Description

A kind of dental zirconia ceramics dummy and preparation method thereof
Technical field
Dental materials field of the present invention, is specifically related to a kind of dental zirconia ceramics dummy and preparation method thereof.
Background technology
Radix Notoginseng has another name called Radix Notoginseng, Radix Stephaniae Sinicae (Radix Stephaniae Dielsianae), Radix Notoginseng, Herba Wedeliae Wallichii, Herba Wedeliae Wallichii, mountain paint, Fructus Citri Sarcodactylis mountain paint, field paint, Typhonium flagelliforme (Lodd.) Blume.For slender acanthopanax The root of section plant Radix Notoginseng, Radix Notoginseng, belong to herbaceos perennial, be grown in sough.Radix Notoginseng is warm in nature, micro-hardship.Radix Notoginseng is class Cone, spindle or irregularly block, long 1 to 6 centimetre, diameter 1 to 4 centimetre.Surface lark or ash yellowish-brown, have waxy Gloss, there is stem trace on top, around has strumae, side to have interrupted vertical wrinkle and supporting root mark of break, body weight, and matter is solid, after smashing Skin zone often separates with woody part；Transverse section celadon, yellow green or canescence, there is fine brown resin canal speckle in skin zone, and center is micro- Aobvious radial texture.Feeble QI, bitter in the mouth is the sweetest.It is preferred with body weight, matter heavily fortified point, smooth surface, section celadon or yellow green person.Field Effect of seven: 1, hemostasis by removing blood stasis: this product can be stopped blooding, again can promoting blood circulation to remove blood stasis, for hemostasis good medicine.Can be used for treating various hemorrhage Card；2, reducing swelling and alleviating pain: treat the chest and abdomen caused by traumatic injury pain caused by ecchymoma, blood-stasis internal-depression and arthralgia, can blood circulation promoting and blood stasis dispelling detumescence；3、 Radix Notoginseng has reasonable reduction cholesterol, reduces the effect of triglyceride.Dispersant (Dispersant) is a kind of in intramolecular There is lipophile and the interfacial agent of two kinds of opposite nature of hydrophilic simultaneously.Can homogeneous dispersion those be poorly soluble in liquid Inorganic, the solid of organic pigment and liquid particles, also can prevent sedimentation and the cohesion of granule, needed for forming stable suspension simultaneously Amphipathic reagent.Dispersant can promote gloss, prevent floating, minimizing flocculation, increase color developing, increases color saturated Spend, increase transparency.
The development of Oral Repair is inseparable with the development of oral cavity material and technique, dentures repai material mainly have pottery, Resin and metal material.And the ceramic material own intensity deficiency of traditional glass ceramics base and alumina base and fragility are relatively big, Easily rupturable, limit its use in the reparation in oral cavity.
Along with developing rapidly of current recovery technique of oral cavity, All-ceramic material is by feat of self good biocompatibility, resistance to A series of speciality such as corrosivity, dielectricity, heat stability and excellent aesthetic effect, become currently used widest oral cavity Repair materials.The All-ceramic material generally making artificial tooth mainly has aluminium oxide and zirconium oxide, and aluminium oxide has good anti-wear performance, But fragility is relatively big, easily rupturable, zirconium oxide makes it produce stable four directions due to the effect of mixing of other oxides by contrast Crystalline phase, therefore, zirconia ceramics has high tenacity, high-flexural strength and high-wearing feature.Therefore, zirconia ceramics is to be currently used for The All-ceramic material that in the full magnetic material of Oral Repair, mechanical performance is best, suitably as dental prosthesis.But pure zirconia is made pottery The ceramic product that porcelain sinters out is white, and single this color is difficult to meet the most personalized social need, and mesh Front dental zirconium oxide prosthesis needs to improve on hardness, anti-inflammation and glossiness, color developing etc., is badly in need of exploitation new Material.
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that a kind of dental zirconia ceramics dummy.
The purpose of the present invention is achieved through the following technical solutions: a kind of dental zirconia ceramics dummy, it by under The raw material stating weight portion forms:
Zirconium oxide: 5～25；Aluminium oxide: 0.5～1.6；
Ceramics: 15～30；Cellulose powder: 20～48；
Yittrium oxide: 2～11；Dispersant: 0.6～2.8；
Water-soluble binder: 1.5～4；Radix Notoginseng extracting solution: 0.3～2.5；
Coloring agent: 1.5～6.
Preferably, it is made up of the raw material of following weight parts:
Zirconium oxide: 15；Aluminium oxide: 1.1；
Ceramics: 23；Cellulose powder: 34；
Yittrium oxide: 7；Dispersant: 1.7；
Water-soluble binder: 2.7；Radix Notoginseng extracting solution: 1.4；
Coloring agent: 3.8.
Further, the one during described dispersant is sodium lauryl sulphate or methyl anyl alcohol.
Further, the one during described water-soluble binder is polyvinyl alcohol, poly(ethylene oxide) or methylcellulose.
Further, the one during described coloring agent is cerium oxide, iron chloride, Erbium trichloride, praseodymium oxide or praseodymium nitrate.
The preparation method of above-mentioned dental zirconia ceramics dummy, it comprises the following steps:
S1. weigh: weigh each raw material by above-mentioned formula proportion, standby；
S2. grind: zirconium oxide, aluminium oxide, ceramics, yittrium oxide, dispersant and coloring agent are put in ball mill and grinds Mill, the time of described grinding is 1.5～3.5h, obtains grounds travel material mixture；
S3. stirring: will join in crucible in grounds travel material mixture, adds cellulose powder and water solublity bonding after heating Agent, adds Radix Notoginseng extracting solution after stirring 30～50min cooling, and stir to obtain stirring mixture；
S4. it is dried: above-mentioned stirring mixture is poured in mould, is vacuum dried 2～3h, i.e. prepares dental zirconia ceramics Dummy.
Further, the mesh number of described cellulose powder is 600～800 mesh.
Further, the mesh number of described ceramics is 700～800 mesh.
Further, the Vickers hardness of described zirconia ceramics dummy reaches 14～15GPa；Described zirconia ceramics is repaiied The three-point bending resistance intensity of complex is 1100～1200MPa.
Further, described in step S3, the speed of stirring is 500～700rpm, is cooled to 40～55 DEG C after stirring.
The invention have the advantages that to use the dental zirconia ceramics dummy that obtains of the present invention to have higher hard Degree, adds dispersant in its composition, solves the problem that All-ceramic material is frangible, glossiness is low, color developing is poor, transparency is low, Adding Radix Notoginseng extracting solution makes dental zirconia ceramics dummy have the effect of blood circulation promoting and blood stasis dispelling, reducing swelling and alleviating pain, and selects Material source wide, to health；Dental zirconia ceramics dummy composition of the present invention adds coloring agent, meets The social need that modern society is personalized, has wide market prospect.
Detailed description of the invention
Below in conjunction with embodiment, the present invention will be further described, and protection scope of the present invention is not limited to following institute State.
Embodiment 1: a kind of dental zirconia ceramics dummy, it is made up of the raw material of following weight parts:
Zirconium oxide: 15；Aluminium oxide: 1.1；
Ceramics: 23；Cellulose powder: 34；
Yittrium oxide: 7；Sodium lauryl sulphate: 1.7；
Polyvinyl alcohol: 2.7；Radix Notoginseng extracting solution: 1.4；
Cerium oxide: 3.8.
The preparation method of this dental zirconia ceramics dummy, it comprises the following steps:
S1. weigh: weigh each raw material by above-mentioned formula proportion, standby；
S2. grind: zirconium oxide, aluminium oxide, ceramics, yittrium oxide, sodium lauryl sulphate and cerium oxide are put in ball mill Being ground, the time of described grinding is 1.5h, obtains grounds travel material mixture；
S3. stirring: will join in crucible in grounds travel material mixture, add cellulose powder and polyvinyl alcohol after heating, with The speed stirring 30min of 500rpm adds Radix Notoginseng extracting solution after being cooled to 40 DEG C, and stir to obtain stirring mixture；
S4. it is dried: above-mentioned stirring mixture is poured in mould, is vacuum dried 2h, i.e. prepares dental zirconia ceramics reparation Body.
Wherein, the mesh number of described cellulose powder is 600 mesh；The mesh number of described ceramics is 700 mesh；Described zirconia ceramics The Vickers hardness of dummy reaches 14GPa；The three-point bending resistance intensity of described zirconia ceramics dummy is 1100MPa.
Embodiment 2: a kind of dental zirconia ceramics dummy, it is made up of the raw material of following weight parts:
Zirconium oxide: 5；Aluminium oxide: 0.5；
Ceramics: 15；Cellulose powder: 20；
Yittrium oxide: 2；Methyl anyl alcohol: 0.6；
Poly(ethylene oxide): 1.5；Radix Notoginseng extracting solution: 0.3；
Iron chloride: 1.5.
The preparation method of this dental zirconia ceramics dummy, it comprises the following steps:
S1. weigh: weigh each raw material by above-mentioned formula proportion, standby；
S2. grind: zirconium oxide, aluminium oxide, ceramics, yittrium oxide, methyl anyl alcohol and iron chloride are put in ball mill and grinds Mill, the time of described grinding is 3.5h, obtains grounds travel material mixture；
S3. stirring: will join in crucible in grounds travel material mixture, add cellulose powder and poly(ethylene oxide) after heating, Stirring after 50min is cooled to 55 DEG C with the speed of 700rpm and add Radix Notoginseng extracting solution, stir to obtain stirring mixture；
S4. it is dried: above-mentioned stirring mixture is poured in mould, is vacuum dried 3h, i.e. prepares dental zirconia ceramics reparation Body.
Wherein, the mesh number of described cellulose powder is 800 mesh；The mesh number of described ceramics is 800 mesh；Described zirconia ceramics The Vickers hardness of dummy reaches 15GPa；The three-point bending resistance intensity of described zirconia ceramics dummy is 1200MPa.
Embodiment 3: a kind of dental zirconia ceramics dummy, it is made up of the raw material of following weight parts:
Zirconium oxide: 25；Aluminium oxide: 1.6；
Ceramics: 30；Cellulose powder: 48；
Yittrium oxide: 11；Sodium lauryl sulphate: 2.8；
Methylcellulose: 4；Radix Notoginseng extracting solution: 2.5；
Erbium trichloride: 6.
The preparation method of this dental zirconia ceramics dummy, it comprises the following steps:
S1. weigh: weigh each raw material by above-mentioned formula proportion, standby；
S2. grind: zirconium oxide, aluminium oxide, ceramics, yittrium oxide, sodium lauryl sulphate and Erbium trichloride are put in ball mill Being ground, the time of described grinding is 2.5h, obtains grounds travel material mixture；
S3. stirring: will join in crucible in grounds travel material mixture, add cellulose powder and methylcellulose after heating, Stirring after 40min is cooled to 48 DEG C with the speed of 600rpm and add Radix Notoginseng extracting solution, stir to obtain stirring mixture；
S4. it is dried: above-mentioned stirring mixture is poured in mould, is vacuum dried 2.5h, i.e. prepares dental zirconia ceramics and repair Complex.
Wherein, the mesh number of described cellulose powder is 700 mesh；The mesh number of described ceramics is 750 mesh；Described zirconia ceramics The Vickers hardness of dummy reaches 14.5GPa；The three-point bending resistance intensity of described zirconia ceramics dummy is 1130MPa.
Embodiment 4: a kind of dental zirconia ceramics dummy, it is made up of the raw material of following weight parts:
Zirconium oxide: 20；Aluminium oxide: 1.3；
Ceramics: 27；Cellulose powder: 45；
Yittrium oxide: 4；Methyl anyl alcohol: 0.9；
Poly(ethylene oxide): 1.7；Radix Notoginseng extracting solution: 0.8；
Praseodymium oxide: 2.1.
The preparation method of this dental zirconia ceramics dummy, it comprises the following steps:
S1. weigh: weigh each raw material by above-mentioned formula proportion, standby；
S2. grind: zirconium oxide, aluminium oxide, ceramics, yittrium oxide, methyl anyl alcohol and praseodymium oxide are put in ball mill and grinds Mill, the time of described grinding is 2h, obtains grounds travel material mixture；
S3. stirring: will join in crucible in grounds travel material mixture, add cellulose powder and poly(ethylene oxide) after heating, Stirring after 35min is cooled to 42 DEG C with the speed of 550rpm and add Radix Notoginseng extracting solution, stir to obtain stirring mixture；
S4. it is dried: above-mentioned stirring mixture is poured in mould, is vacuum dried 2.2h, i.e. prepares dental zirconia ceramics and repair Complex.
Wherein, the mesh number of described cellulose powder is 650 mesh；The mesh number of described ceramics is 720 mesh；Described zirconia ceramics The Vickers hardness of dummy reaches 14.8GPa；The three-point bending resistance intensity of described zirconia ceramics dummy is 1170MPa.
Embodiment 5: a kind of dental zirconia ceramics dummy, it is made up of the raw material of following weight parts:
Zirconium oxide: 9；Aluminium oxide: 0.7；
Ceramics: 17；Cellulose powder: 26；
Yittrium oxide: 9；Sodium lauryl sulphate: 2.6；
Methylcellulose: 3.5；Radix Notoginseng extracting solution: 2.2；
Praseodymium nitrate: 5.2.
The preparation method of this dental zirconia ceramics dummy, it comprises the following steps:
S1. weigh: weigh each raw material by above-mentioned formula proportion, standby；
S2. grind: zirconium oxide, aluminium oxide, ceramics, yittrium oxide, sodium lauryl sulphate and praseodymium nitrate are put in ball mill Being ground, the time of described grinding is 3h, obtains grounds travel material mixture；
S3. stirring: will join in crucible in grounds travel material mixture, add cellulose powder and methylcellulose after heating, Stirring after 45min is cooled to 52 DEG C with the speed of 680rpm and add Radix Notoginseng extracting solution, stir to obtain stirring mixture；
S4. it is dried: above-mentioned stirring mixture is poured in mould, is vacuum dried 3h, i.e. prepares dental zirconia ceramics reparation Body.
Wherein, the mesh number of described cellulose powder is 770 mesh；The mesh number of described ceramics is 730 mesh；Described zirconia ceramics The Vickers hardness of dummy reaches 14.2GPa；The three-point bending resistance intensity of described zirconia ceramics dummy is 1120MPa.
Embodiment 6: a kind of dental zirconia ceramics dummy, it is made up of the raw material of following weight parts:
Zirconium oxide: 13；Aluminium oxide: 1.1；
Ceramics: 22；Cellulose powder: 35；
Yittrium oxide: 8；Methyl anyl alcohol: 1.6；
Polyvinyl alcohol: 3.8；Radix Notoginseng extracting solution: 2.2；
Praseodymium oxide: 4.8.
The preparation method of this dental zirconia ceramics dummy, it comprises the following steps:
S1. weigh: weigh each raw material by above-mentioned formula proportion, standby；
S2. grind: zirconium oxide, aluminium oxide, ceramics, yittrium oxide, methyl anyl alcohol and praseodymium oxide are put in ball mill and grinds Mill, the time of described grinding is 2h, obtains grounds travel material mixture；
S3. stirring: will join in crucible in grounds travel material mixture, add cellulose powder and polyvinyl alcohol after heating, with The speed stirring 37min of 650rpm adds Radix Notoginseng extracting solution after being cooled to 45 DEG C, and stir to obtain stirring mixture；
S4. it is dried: above-mentioned stirring mixture is poured in mould, is vacuum dried 2h, i.e. prepares dental zirconia ceramics reparation Body.
Wherein, the mesh number of described cellulose powder is 700 mesh；The mesh number of described ceramics is 760 mesh；Described zirconia ceramics The Vickers hardness of dummy reaches 14.6GPa；The three-point bending resistance intensity of described zirconia ceramics dummy is 1150MPa.

Claims (10)

1. a dental zirconia ceramics dummy, it is characterised in that it is made up of the raw material of following weight parts:
Zirconium oxide: 5～25；Aluminium oxide: 0.5～1.6；
Ceramics: 15～30；Cellulose powder: 20～48；
Yittrium oxide: 2～11；Dispersant: 0.6～2.8；
Water-soluble binder: 1.5～4；Radix Notoginseng extracting solution: 0.3～2.5；
Coloring agent: 1.5～6.
2. a kind of dental zirconia ceramics dummy as claimed in claim 1, it is characterised in that it is by following weight parts Raw material forms:
Zirconium oxide: 15；Aluminium oxide: 1.1；
Ceramics: 23；Cellulose powder: 34；
Yittrium oxide: 7；Dispersant: 1.7；
Water-soluble binder: 2.7；Radix Notoginseng extracting solution: 1.4；
Coloring agent: 3.8.
3. a kind of dental zirconia ceramics dummy as claimed in claim 1 or 2, it is characterised in that described dispersant is One in sodium lauryl sulphate or methyl anyl alcohol.
4. a kind of dental zirconia ceramics dummy as claimed in claim 1 or 2, it is characterised in that described water solublity glues Knot agent is the one in polyvinyl alcohol, poly(ethylene oxide) or methylcellulose.
5. a kind of dental zirconia ceramics dummy as claimed in claim 1 or 2, it is characterised in that described coloring agent is One in cerium oxide, iron chloride, Erbium trichloride, praseodymium oxide or praseodymium nitrate.
6. the preparation method of a kind of dental zirconia ceramics dummy as described in any claim in Claims 1 to 5, It is characterized in that, it comprises the following steps:
S1. weigh: weigh each raw material by above-mentioned formula proportion, standby；
S2. grind: zirconium oxide, aluminium oxide, ceramics, yittrium oxide, dispersant and coloring agent are put in ball mill and grinds Mill, the time of described grinding is 1.5～3.5h, obtains grounds travel material mixture；
S3. stirring: will join in crucible in grounds travel material mixture, adds cellulose powder and water solublity bonding after heating Agent, adds Radix Notoginseng extracting solution after stirring 30～50min cooling, and stir to obtain stirring mixture；
S4. it is dried: above-mentioned stirring mixture is poured in mould, is vacuum dried 2～3h, i.e. prepares dental zirconia ceramics and repair Complex.
7. a kind of dental zirconia ceramics dummy as claimed in claim 1 or 2, it is characterised in that described cellulose powder Mesh number be 600～800 mesh.
8. a kind of dental zirconia ceramics dummy as claimed in claim 1 or 2, it is characterised in that described ceramics Mesh number is 700～800 mesh.
9. a kind of dental zirconia ceramics dummy as claimed in claim 1 or 2, it is characterised in that described zirconium oxide is made pottery The Vickers hardness of Porcelain veneer reaches 14～15GPa；The three-point bending resistance intensity of described zirconia ceramics dummy be 1100～ 1200MPa。
The preparation method of a kind of dental zirconia ceramics dummy the most as claimed in claim 6, it is characterised in that step Described in S3, the speed of stirring is 500～700rpm, is cooled to 40～55 DEG C after stirring.
CN201610275447.9A 2016-04-29 2016-04-29 Dental zirconia ceramic restoration and preparation method thereof Pending CN105924156A (en)

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PCT/CN2016/084125 WO2017185468A1 (en) 2016-04-29 2016-05-31 Zirconia ceramic prosthesis for dentistry and preparation method therefor

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