CN105924162A - Dyeing process for dental zirconia restoration - Google Patents

Dyeing process for dental zirconia restoration Download PDF

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Publication number
CN105924162A
CN105924162A CN201610275477.XA CN201610275477A CN105924162A CN 105924162 A CN105924162 A CN 105924162A CN 201610275477 A CN201610275477 A CN 201610275477A CN 105924162 A CN105924162 A CN 105924162A
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dental prosthesis
sintering
dyeing
zirconium oxide
steps
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CN201610275477.XA
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Chinese (zh)
Inventor
马勤
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Chengdu Besmile Biotechnology Co Ltd
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Chengdu Besmile Biotechnology Co Ltd
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Priority to CN201610275477.XA priority Critical patent/CN105924162A/en
Priority to PCT/CN2016/084135 priority patent/WO2017185474A1/en
Publication of CN105924162A publication Critical patent/CN105924162A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/48—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on zirconium or hafnium oxides, zirconates, zircon or hafnates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/46—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with organic materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/82—Coating or impregnation with organic materials
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/3224—Rare earth oxide or oxide forming salts thereof, e.g. scandium oxide
    • C04B2235/3229—Cerium oxides or oxide-forming salts thereof
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/02—Composition of constituents of the starting material or of secondary phases of the final product
    • C04B2235/30—Constituents and secondary phases not being of a fibrous nature
    • C04B2235/32—Metal oxides, mixed metal oxides, or oxide-forming salts thereof, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides
    • C04B2235/327—Iron group oxides, their mixed metal oxides, or oxide-forming salts thereof
    • C04B2235/3275—Cobalt oxides, cobaltates or cobaltites or oxide forming salts thereof, e.g. bismuth cobaltate, zinc cobaltite
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/661—Multi-step sintering

Abstract

The invention discloses a dyeing process for a dental zirconia restoration. The dyeing process comprises the following steps: S1, mixing: mixing a coloring agent and zirconia ceramic powder according to a weight ratio of 100: 1-5 so as to prepare a colored zirconia porcelain block; S2, pretreatment: carrying out a cutting process so as to obtain a dental restoration, cleaning residual ceramic powder on the surface of the pre-burnt dental restoration and maintaining the dental restoration dry; S4, soaking: soaking the pretreated dental restoration in dyeing liquor for 10 to 15 min; and S4, sintering: subjecting the soaked dental restoration to segmented sintering. According to the invention, soaking and sintering are carried out after the coloring agent and zirconia ceramic powder are mixed; the obtained dental zirconia restoration has a uniform and beautiful color; and the process is detailed in operation, simple to operate and good in dyeing effect.

Description

A kind of dyeing of zirconium oxide dental prosthesis
Technical field
The invention belongs to field of ceramic preparation technology, be specifically related to the dyeing of a kind of zirconium oxide dental prosthesis.
Background technology
Do not colour dental zirconium oxide how white to ivory white, there is certain translucence, although can be easier Simulation nature tooth color, but the clinical requirement to dummy color can not be met, its surface generally requires screening color, and this can make material The part transparency lost by material, is adjusted to by zirconium oxide intrinsic colour consistent with intending the reparation color of tooth, lightness and saturation, Obtain good texture, the reserves space of clinical abutment can be saved simultaneously.Dental zirconium oxide prosthesis is carried out interior dye, can make Zirconium oxide substrate crown itself has close with natural teeth dentin color and luster, in dummy manufacture process reduce facing porcelain thickness or Person does not the most use facing porcelain still to can reach preferably and does not learns effect, can also lower standby tooth amount simultaneously, be more beneficial for retaining more Many tissues of tooth.
The Chinese patent of Publication No. CN102674888A discloses the coloring solution for dental zirconia ceramic product And using method, including immersion, dry, sintering step, mention with drying means though wherein soaking, but narration is concrete, grasp Make lack of standardization, add dying operation difficulty, cause dyeing uneven, unsightly.
Therefore, exploitation is a kind of simple to operate, carries out the dyer dyeed on the basis of colored zirconium oxide dental prosthesis Skill, can even dyeing, reduce facing porcelain thickness, improve aesthetic.
Summary of the invention
It is an object of the invention to overcome the shortcoming of prior art, it is provided that the dyer of a kind of zirconium oxide dental prosthesis Skill.
The purpose of the present invention is achieved through the following technical solutions: the dyeing of a kind of zirconium oxide dental prosthesis, it Comprise the following steps:
S1. mixing: by coloring agent with zirconia ceramics powder body by weight mixing for 100:1～5, prepare colored zirconium oxide porcelain block；
S2. pre-treatment: carry out machining, obtain dental prosthesis, by the zirconium oxide dental prosthesis remained on surface of pre-burning Ceramic powders is cleaned out, and keeps being dried；
S3. soak: the dental prosthesis after pre-treatment is immersed in dyeing liquor and carries out soaking 10～15min；
S4. sintering: the dental prosthesis after immersion carries out multi-steps sintering, the temperature of described multi-steps sintering first paragraph be 1000～ 1200 DEG C, sintering time is 20～30min；The temperature of multi-steps sintering second segment is 1500～1600 DEG C, sintering time be 1～ 2h。
Further, described coloring agent is Erbia, cerium oxide, cobalt oxide, ferrum oxide, manganese oxide, Dineodymium trioxide or oxidation The combination of one or more in praseodymium.
Further, being dried and use oven drying described in step S2, described dry temperature is 30～60 DEG C, is dried Time is 45～60min.
Further, described dyeing liquor BSM16 color dyeing liquor or BSM 26 color dyeing liquor.
In the present invention, BSM16 dyeing liquor specifically includes BSM A1/L, Aidite(BSM) A2/L, Aidite(BSM) A3/ L, Aidite(BSM) A3.5/L, Aidite(BSM) A4/L, Aidite(BSM) B1/L, Aidite(BSM) B2/L, Aidite (BSM) B3/L, Aidite(BSM) B4/L, Aidite(BSM) C1/L, Aidite(BSM) C2/L, Aidite(BSM) C3/ L, Aidite(BSM) C4/L, Aidite(BSM) D2/L, Aidite(BSM) D3/L, Aidite(BSM) D4/L.
In the present invention BSM26 color dyeing liquor include BSM1M1,1M2,2L1.5,2L2.5,2M1,2M2,2M3,2R1.5, 2R2.5、3L1.5、3L2.5、3M1、3M2、3M3、3R1.5、3R2.5、4L1.5、4L2.5、4M1、4M2、4M3、4R1.5、 4R2.5、5M1、5M2、5M3。
The invention have the advantages that the present invention is soaking after coloring agent and zirconia ceramics powder body being mixed And sintering, the zirconium oxide dental prosthesis even dyeing obtained, attractive in appearance, the operational approach of the present invention is concrete, simple to operate, dyeing Effective.
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: the dyeing of a kind of zirconium oxide dental prosthesis, it comprises the following steps:
S1. mixing: by coloring agent Erbia with zirconia ceramics powder body by weight mixing for 100:1, prepare colored zirconium oxide Porcelain block；
S2. pre-treatment: carry out machining, obtain dental prosthesis, by the zirconium oxide dental prosthesis remained on surface of pre-burning Ceramic powders is cleaned out, and keeps being dried；Described dry employing oven drying, described dry temperature is 30 DEG C, is dried Time is 45min；
S3. soak: the dental prosthesis after pre-treatment is immersed in dyeing liquor and carries out soaking 10min；Described dyeing liquor is BSM16 color dyeing liquor；
S4. sintering: the dental prosthesis after immersion carries out multi-steps sintering, and the temperature of described multi-steps sintering first paragraph is 1000 DEG C, Sintering time is 20min；The temperature of multi-steps sintering second segment is 1500 DEG C, and sintering time is 1h.
Embodiment 2: the dyeing of a kind of zirconium oxide dental prosthesis, it comprises the following steps:
S1. mixing: by coloring agent with zirconia ceramics powder body by weight mixing for 100:5, prepare colored zirconium oxide porcelain block； Described coloring agent is cerium oxide；
S2. pre-treatment: carry out machining, obtain dental prosthesis, by the zirconium oxide dental prosthesis remained on surface of pre-burning Ceramic powders is cleaned out, and keeps being dried；Described dry employing oven drying, described dry temperature is 60 DEG C, is dried Time is 60min；
S3. soak: the dental prosthesis after pre-treatment is immersed in dyeing liquor and carries out soaking 15min；Described dyeing liquor is BSM26 color dyeing liquor；
S4. sintering: the dental prosthesis after immersion carries out multi-steps sintering, and the temperature of described multi-steps sintering first paragraph is 1200 DEG C, Sintering time is 30min；The temperature of multi-steps sintering second segment is 1600 DEG C, and sintering time is 2h.
Embodiment 3: the dyeing of a kind of zirconium oxide dental prosthesis, it comprises the following steps:
S1. mixing: by coloring agent with zirconia ceramics powder body by weight mixing for 100:1.5, prepare colored zirconium oxide porcelain Block；Described coloring agent is cobalt oxide；
S2. pre-treatment: carry out machining, obtain dental prosthesis, by the zirconium oxide dental prosthesis remained on surface of pre-burning Ceramic powders is cleaned out, and keeps being dried；Described dry employing oven drying, described dry temperature is 34 DEG C, is dried Time is 48min；
S3. soak: the dental prosthesis after pre-treatment is immersed in dyeing liquor and carries out soaking 12min；Described dyeing liquor is BSM26 color dyeing liquor；
S4. sintering: the dental prosthesis after immersion carries out multi-steps sintering, and the temperature of described multi-steps sintering first paragraph is 1050 DEG C, Sintering time is 22min；The temperature of multi-steps sintering second segment is 1520 DEG C, and sintering time is 1.2h.
Embodiment 4: the dyeing of a kind of zirconium oxide dental prosthesis, it comprises the following steps:
S1. mixing: by coloring agent with zirconia ceramics powder body by weight mixing for 100:2, prepare colored zirconium oxide porcelain block； Described coloring agent is ferrum oxide；
S2. pre-treatment: carry out machining, obtain dental prosthesis, by the zirconium oxide dental prosthesis remained on surface of pre-burning Ceramic powders is cleaned out, and keeps being dried；Described dry employing oven drying, described dry temperature is 38 DEG C, is dried Time is 52min；
S3. soak: the dental prosthesis after pre-treatment is immersed in dyeing liquor and carries out soaking 13min；Described dyeing liquor is BSM26 color dyeing liquor；
S4. sintering: the dental prosthesis after immersion carries out multi-steps sintering, and the temperature of described multi-steps sintering first paragraph is 1080 DEG C, Sintering time is 24min；The temperature of multi-steps sintering second segment is 1550 DEG C, and sintering time is 1.5h.
Embodiment 5: the dyeing of a kind of zirconium oxide dental prosthesis, it comprises the following steps:
S1. mixing: by coloring agent with zirconia ceramics powder body by weight mixing for 100:3, prepare colored zirconium oxide porcelain block； Described coloring agent is manganese oxide；
S2. pre-treatment: carry out machining, obtain dental prosthesis, by the zirconium oxide dental prosthesis remained on surface of pre-burning Ceramic powders is cleaned out, and keeps being dried；Described dry employing oven drying, described dry temperature is 45 DEG C, is dried Time is 55min；
S3. soak: the dental prosthesis after pre-treatment is immersed in dyeing liquor and carries out soaking 14min；Described dyeing liquor is BSM16 color dyeing liquor；
S4. sintering: the dental prosthesis after immersion carries out multi-steps sintering, and the temperature of described multi-steps sintering first paragraph is 1100 DEG C, Sintering time is 26min；The temperature of multi-steps sintering second segment is 1575 DEG C, and sintering time is 1.8h.
Embodiment 6: the dyeing of a kind of zirconium oxide dental prosthesis, it comprises the following steps:
S1. mixing: by coloring agent with zirconia ceramics powder body by weight mixing for 100:3.8, prepare colored zirconium oxide porcelain Block；Described coloring agent is Dineodymium trioxide；
S2. pre-treatment: carry out machining, obtain dental prosthesis, by the zirconium oxide dental prosthesis remained on surface of pre-burning Ceramic powders is cleaned out, and keeps being dried；Described dry employing oven drying, described dry temperature is 50 DEG C, is dried Time is 58min；
S3. soak: the dental prosthesis after pre-treatment is immersed in dyeing liquor and carries out soaking 15min；Described dyeing liquor is BSM26 color dyeing liquor；
S4. sintering: the dental prosthesis after immersion carries out multi-steps sintering, and the temperature of described multi-steps sintering first paragraph is 1130 DEG C, Sintering time is 28min；The temperature of multi-steps sintering second segment is 1580 DEG C, and sintering time is 1h.
Embodiment 7: the dyeing of a kind of zirconium oxide dental prosthesis, it comprises the following steps:
S1. mixing: by coloring agent with zirconia ceramics powder body by weight mixing for 100:4.3, prepare colored zirconium oxide porcelain Block；Described coloring agent is praseodymium oxide；
S2. pre-treatment: carry out machining, obtain dental prosthesis, by the zirconium oxide dental prosthesis remained on surface of pre-burning Ceramic powders is cleaned out, and keeps being dried；Described dry employing oven drying, described dry temperature is 54 DEG C, is dried Time is 60min；
S3. soak: the dental prosthesis after pre-treatment is immersed in dyeing liquor and carries out soaking 11min；Described dyeing liquor is BSM26 color dyeing liquor；
S4. sintering: the dental prosthesis after immersion carries out multi-steps sintering, and the temperature of described multi-steps sintering first paragraph is 1175 DEG C, Sintering time is 22min；The temperature of multi-steps sintering second segment is 1510 DEG C, and sintering time is 1.5h.

Claims (4)

1. the dyeing of a zirconium oxide dental prosthesis, it is characterised in that it comprises the following steps:
S1. mixing: by coloring agent with zirconia ceramics powder body by weight mixing for 100:1～5, prepare colored zirconium oxide porcelain block；
S2. pre-treatment: carry out machining, obtain dental prosthesis, by the zirconium oxide dental prosthesis remained on surface of pre-burning Ceramic powders is cleaned out, and keeps being dried；
S3. soak: the dental prosthesis after pre-treatment is immersed in dyeing liquor and carries out soaking 10～15min；
S4. sintering: the dental prosthesis after immersion carries out multi-steps sintering, the temperature of described multi-steps sintering first paragraph be 1000～ 1200 DEG C, sintering time is 20～30min；The temperature of multi-steps sintering second segment is 1500～1600 DEG C, sintering time be 1～ 2h。
The dyeing of a kind of zirconium oxide dental prosthesis the most as claimed in claim 1, it is characterised in that described coloring agent is The combination of one or more in Erbia, cerium oxide, cobalt oxide, ferrum oxide, manganese oxide, Dineodymium trioxide or praseodymium oxide.
The dyeing of a kind of zirconium oxide dental prosthesis the most as claimed in claim 1, it is characterised in that described in step S2 Being dried and use oven drying, described dry temperature is 30～60 DEG C, and the time being dried is 45～60min.
The dyeing of a kind of zirconium oxide dental prosthesis the most as claimed in claim 1, it is characterised in that described dyeing liquor is BSM16 color dyeing liquor or BSM26 color dyeing liquor.
CN201610275477.XA 2016-04-29 2016-04-29 Dyeing process for dental zirconia restoration Pending CN105924162A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610275477.XA CN105924162A (en) 2016-04-29 2016-04-29 Dyeing process for dental zirconia restoration
PCT/CN2016/084135 WO2017185474A1 (en) 2016-04-29 2016-05-31 Staining process for zirconia dental prosthesis

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610275477.XA CN105924162A (en) 2016-04-29 2016-04-29 Dyeing process for dental zirconia restoration

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Cited By (6)

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Publication number Priority date Publication date Assignee Title
CN106866140A (en) * 2017-03-10 2017-06-20 南通通州湾新材料科技有限公司 A kind of manufacture method of chromatic ceramics phone housing
CN108585844A (en) * 2018-05-28 2018-09-28 潮州三环（集团）股份有限公司 A kind of zirconia ceramics material composition
CN109608233A (en) * 2019-01-30 2019-04-12 成都贝施美医疗科技股份有限公司 A technique for improving dental zirconia ceramic permeability
CN109734444A (en) * 2019-03-07 2019-05-10 珠海新茂义齿科技有限公司 A kind of zirconium oxide immersion coloration and dyeing method
CN110403721A (en) * 2019-07-27 2019-11-05 杭州拉瓦生物科技有限公司 Customized type fixed denture processing method
CN112920622A (en) * 2021-02-06 2021-06-08 内蒙古科技大学 Camel colorant, camel zirconia ceramic and preparation method and application thereof

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CN102674888A (en) * 2012-05-15 2012-09-19 深圳市爱尔创科技有限公司 Coloring solution for dental zirconia ceramic product and using method of coloring solution
CN103693988A (en) * 2013-12-23 2014-04-02 秦皇岛爱迪特高技术陶瓷有限公司 Internal dyeing method of dental zirconium oxide restoration body
CN104909745A (en) * 2015-06-23 2015-09-16 成都贝施美生物科技有限公司 Preparation method for uniform gradient-colour zirconium oxide porcelain blocks

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CN101844920A (en) * 2010-05-13 2010-09-29 清华大学 Preparation method of colored zirconia ceramics
CN104997643B (en) * 2015-07-19 2019-03-08 谢宝军 A kind of quick molding method for the production of full porcelain mouth mending material

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Publication number Priority date Publication date Assignee Title
CN102674888A (en) * 2012-05-15 2012-09-19 深圳市爱尔创科技有限公司 Coloring solution for dental zirconia ceramic product and using method of coloring solution
CN103693988A (en) * 2013-12-23 2014-04-02 秦皇岛爱迪特高技术陶瓷有限公司 Internal dyeing method of dental zirconium oxide restoration body
CN104909745A (en) * 2015-06-23 2015-09-16 成都贝施美生物科技有限公司 Preparation method for uniform gradient-colour zirconium oxide porcelain blocks

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106866140A (en) * 2017-03-10 2017-06-20 南通通州湾新材料科技有限公司 A kind of manufacture method of chromatic ceramics phone housing
CN108585844A (en) * 2018-05-28 2018-09-28 潮州三环（集团）股份有限公司 A kind of zirconia ceramics material composition
CN109608233A (en) * 2019-01-30 2019-04-12 成都贝施美医疗科技股份有限公司 A technique for improving dental zirconia ceramic permeability
CN109734444A (en) * 2019-03-07 2019-05-10 珠海新茂义齿科技有限公司 A kind of zirconium oxide immersion coloration and dyeing method
CN110403721A (en) * 2019-07-27 2019-11-05 杭州拉瓦生物科技有限公司 Customized type fixed denture processing method
CN110403721B (en) * 2019-07-27 2021-08-24 杭州拉瓦生物科技有限公司 Customized fixed denture processing method
CN112920622A (en) * 2021-02-06 2021-06-08 内蒙古科技大学 Camel colorant, camel zirconia ceramic and preparation method and application thereof

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Application publication date: 20160907