CN103273713B - Four layers of look synthetic resin block and preparation method thereof - Google Patents
Four layers of look synthetic resin block and preparation method thereof Download PDFInfo
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Abstract
The invention discloses a kind of four layers of look synthetic resin block and preparation method thereof, these four layers of look synthetic resin blocks are made up of successively four-layer structure, and every Rotating fields includes component: polymethyl methacrylate, iron oxide red, iron oxide black, iron oxide yellow, titanium white, methyl methacrylate and GDMA.This preparation method is: polymethyl methacrylate powder is dry at 80 ~ 90 DEG C; Prepare four layers of materials respectively according to proportioning, every layer of materials all will mix, and pugging mullering, to dough period, forms plastic dough product; Combine hot-forming for four layers of plastic dough product in order in mould, hot pressing temperature 110 ~ 130 DEG C, hot pressing time 10 ~ 20min; By four layers of look synthetic resin block heat treatment 10 ~ 12h at 80 ~ 90 DEG C after hot-forming, obtain four layers of look synthetic resin block finished product.The dental models processed by the present invention or crown and bridge colour developing nature, true to nature, and preparation of the present invention is simple.
Description
Technical field
The present invention relates to synthetic resin block technical field, more particularly, relate to a kind of four layers of look synthetic resin block and preparation method thereof.
Background technology
Synthetic resin block may be used for skilled worker room by processing and fabricating dental models or crown and bridge.Take polymethyl methacrylate as the plastic tooth of main component, in the history of the existing many decades of clinical oral application, it is made up through so-called " powder/liquid polymerization technique " of the mixture of methyl methacrylate monomer and polymethylmethacrylate powder.
At present, existing synthetic resin block majority is monochromatic, the dental models be made or crown and bridge color single, the needs in market cannot be met, therefore, for reaching effect more true to nature, usual needs carry out post-processed to the dental models completed or crown and bridge, but, can workload be added like this, improve production cost.
Summary of the invention
The object of the invention is to overcome above-mentioned defect of the prior art, a kind of four layers of look synthetic resin block are provided.
Another object of the present invention is to overcome above-mentioned defect of the prior art, a kind of preparation method of four layers of look synthetic resin block is provided.
For achieving the above object, technical scheme provided by the invention is as follows: a kind of four layers of look synthetic resin block, are made up of successively four-layer structure, wherein,
Ground floor is made up of following component by mass percentage: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.01%, iron black: 0% ~ 0.005%, iron oxide yellow: 0% ~ 0.02%, titanium white: 0% ~ 0.2%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%;
The second layer is made up of following component by mass percentage: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.004%, iron black: 0% ~ 0.003%, iron oxide yellow: 0% ~ 0.01%, titanium white: 0% ~ 0.15%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%;
Third layer is made up of following component by mass percentage: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.004%, iron black: 0% ~ 0.003%, iron oxide yellow: 0% ~ 0.007%, titanium white: 0% ~ 0.15%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%;
4th layer is made up of following component by mass percentage: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.01%, iron black: 0% ~ 0.01%, iron oxide yellow: 0% ~ 0.005%, titanium white: 0% ~ 0.1%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%.
The preparation method of four layers of look synthetic resin block of the present invention, comprises the following steps:
(1) raw material drying: polymethyl methacrylate powder is dry at 80 ~ 90 DEG C;
(2) match colors mixing: prepare four layers of materials respectively according to proportioning, every layer of materials all will mix, and pugging mullering, to dough period, forms plastic dough product;
(3) hot-forming: to combine hot-forming for four layers of plastic dough product in order in mould, hot pressing temperature 110 ~ 130 DEG C, hot pressing time 10 ~ 20min;
(4) heat treatment: by four layers of look synthetic resin block heat treatment 10 ~ 12h at 80 ~ 90 DEG C after hot-forming, obtain four layers of look synthetic resin block finished product;
Wherein, each constituent mass percentage of four layers of materials is respectively:
Ground floor: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.01%, iron black: 0% ~ 0.005%, iron oxide yellow: 0% ~ 0.02%, titanium white: 0% ~ 0.2%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%;
The second layer: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.004%, iron black: 0% ~ 0.003%, iron oxide yellow: 0% ~ 0.01%, titanium white: 0% ~ 0.15%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%;
Third layer: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.004%, iron black: 0% ~ 0.003%, iron oxide yellow: 0% ~ 0.007%, titanium white: 0% ~ 0.15%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%;
4th layer: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.01%, iron black: 0% ~ 0.01%, iron oxide yellow: 0% ~ 0.005%, titanium white: 0% ~ 0.1%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%.
Furthermore, in technique scheme, described die size is ground floor thickness: 4 ~ 9mm, second layer thickness: 3 ~ 5mm, third layer thickness: 3 ~ 5mm, the 4th layer thickness: 4 ~ 6mm.
The present invention has following advantage and effect relative to prior art:
1, four layers of look synthetic resin block of the present invention have excellent processing characteristics, and dimensional stability is high, can be used for making multilayer color developing effect dental models or crown and bridge.
2, the dental models processed by four layers of look synthetic resin block of the present invention or crown and bridge colour developing nature, true to nature, and preparation of the present invention is simple, and simplify operating process, production cost is low.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
(1) raw material drying: polymethyl methacrylate powder is dry at 80 DEG C.
(2) match colors mixing: prepare four layers of materials respectively according to proportioning, every layer of materials all will mix, and pugging mullering, to dough period, forms plastic dough product;
(3) hot-forming: to combine hot-forming for four layers of plastic dough product in order in mould, hot pressing temperature 110 DEG C, hot pressing time 10min.Wherein, die size is ground floor thickness: 4mm, second layer thickness: 3mm, third layer thickness: 3mm, the 4th layer thickness: 4mm, appearance and size Φ 98.5*14mm.
(4) heat treatment: by four layers of look synthetic resin block heat treatment 10h at 80 DEG C after hot-forming, obtain four layers of look synthetic resin block finished product.
Wherein, each constituent mass percentage of four layers of materials is respectively:
Ground floor: polymethyl methacrylate: 67%, iron oxide red: 0.003%, iron black: 0.003%, iron oxide yellow: 0.012%, titanium white: 0.08%, methyl methacrylate: 31.712%, GDMA: 1.19%;
The second layer: polymethyl methacrylate: 67%, iron oxide red: 0.002%, iron black: 0.002%, iron oxide yellow: 0.007%, titanium white: 0.08%, methyl methacrylate: 31.719%, GDMA: 1.19%;
Third layer: polymethyl methacrylate: 67%, iron oxide red: 0.003%, iron black: 0.001%, iron oxide yellow: 0.005%, titanium white: 0.08%, methyl methacrylate: 31.721%, GDMA: 1.19%;
4th layer: polymethyl methacrylate: 67%, iron oxide red: 0.002%, iron black: 0.002%, iron oxide yellow: 0.004%, titanium white: 0.07%, methyl methacrylate: 31.73%, GDMA: 1.192%;
Embodiment 2
(1) raw material drying: polymethyl methacrylate powder is dry at 85 DEG C.
(2) match colors mixing: prepare four layers of materials respectively according to proportioning, every layer of materials all will mix, and pugging mullering, to dough period, forms plastic dough product;
(3) hot-forming: to combine hot-forming for four layers of plastic dough product in order in mould, hot pressing temperature 110 DEG C, hot pressing time 15min.Wherein, die size is ground floor thickness: 5mm, second layer thickness: 4mm, third layer thickness: 4mm, the 4th layer thickness: 5mm, appearance and size Φ 98.5*18mm.
(4) heat treatment: by four layers of look synthetic resin block heat treatment 12h at 85 DEG C after hot-forming, obtain four layers of look synthetic resin block finished product.
Wherein, each constituent mass percentage of four layers of materials is respectively:
Ground floor: polymethyl methacrylate: 70%, iron oxide red: 0.004%, iron black: 0.002%, iron oxide yellow: 0.01%, titanium white: 0.1%, methyl methacrylate: 28.689%, GDMA: 1.195%;
The second layer: polymethyl methacrylate: 70%, iron oxide red: 0.002%, iron black: 0.002%, iron oxide yellow: 0.007%, titanium white: 0.1%, methyl methacrylate: 28.694%, GDMA: 1.195%;
Third layer: polymethyl methacrylate: 70%, iron oxide red: 0.003%, iron black: 0.001%, iron oxide yellow: 0.005%, titanium white: 0.1%, methyl methacrylate: 28.696%, GDMA: 1.195%;
4th layer: polymethyl methacrylate: 70%, iron oxide red: 0.002%, iron black: 0.002%, iron oxide yellow: 0.003%, titanium white: 0.07%, methyl methacrylate: 28.726%, GDMA: 1.197%.
Embodiment 3
(1) raw material drying: polymethyl methacrylate powder is dry at 90 DEG C.
(2) match colors mixing: prepare four layers of materials respectively according to proportioning, every layer of materials all will mix, and pugging mullering, to dough period, forms plastic dough product;
(3) hot-forming: to combine hot-forming for four layers of plastic dough product in order in mould, hot pressing temperature 125 DEG C, hot pressing time 20min.Wherein, die size is ground floor thickness: 6mm, second layer thickness: 4mm, third layer thickness: 4mm, the 4th layer thickness: 6mm, appearance and size Φ 98.5*20mm.
(4) heat treatment: by four layers of look synthetic resin block heat treatment 12h at 90 DEG C after hot-forming, obtain four layers of look synthetic resin block finished product.
Wherein, each constituent mass percentage of four layers of materials is respectively:
Ground floor: polymethyl methacrylate: 72%, iron oxide red: 0.008%, iron black: 0.005%, iron oxide yellow: 0.02%, titanium white: 0.18%, methyl methacrylate: 25.787%, GDMA: 2%;
The second layer: polymethyl methacrylate: 72%, iron oxide red: 0.004%, iron black: 0.003%, iron oxide yellow: 0.007%, titanium white: 0.15%, methyl methacrylate: 25.836%, GDMA: 2%;
Third layer: polymethyl methacrylate: 72%, iron oxide red: 0.004%, iron black: 0.002%, iron oxide yellow: 0.006%, titanium white: 0.15%, methyl methacrylate: 25.838%, GDMA: 2%;
4th layer: polymethyl methacrylate: 72%, iron oxide red: 0.008%, iron black: 0.002%, iron oxide yellow: 0.005%, titanium white: 0.08%, methyl methacrylate: 25.905%, GDMA: 2%.
In sum, each layer color of the present invention can be regulated and controled by formula, to reach best color developing effect, the dental models processed by the present invention or crown and bridge colour developing nature, true to nature, and preparation of the present invention is simple, simplify operating process, production cost is low.
Above-described embodiment is the present invention's preferably embodiment; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included in protection scope of the present invention.
Claims (3)
1. four layers of look synthetic resin block, are applied in dental models or crown and bridge, it is characterized in that, be made up of successively four-layer structure, wherein,
Ground floor is made up of following component by mass percentage: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.01%, iron black: 0% ~ 0.005%, iron oxide yellow: 0% ~ 0.02%, titanium white: 0% ~ 0.2%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%;
The second layer is made up of following component by mass percentage: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.004%, iron black: 0% ~ 0.003%, iron oxide yellow: 0% ~ 0.01%, titanium white: 0% ~ 0.15%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%;
Third layer is made up of following component by mass percentage: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.004%, iron black: 0% ~ 0.003%, iron oxide yellow: 0% ~ 0.007%, titanium white: 0% ~ 0.15%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%;
4th layer is made up of following component by mass percentage: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.01%, iron black: 0% ~ 0.01%, iron oxide yellow: 0% ~ 0.005%, titanium white: 0% ~ 0.1%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%.
2. the preparation method of four layers of look synthetic resin block according to claim 1, it is characterized in that, this preparation method comprises the following steps:
(1) raw material drying: polymethyl methacrylate powder is dry at 80 ~ 90 DEG C;
(2) match colors mixing: prepare four layers of materials respectively according to proportioning, every layer of materials all will mix, and pugging mullering, to dough period, forms plastic dough product;
(3) hot-forming: to combine hot-forming for four layers of plastic dough product in order in mould, hot pressing temperature 110 ~ 130 DEG C, hot pressing time 10 ~ 20min;
(4) heat treatment: by four layers of look synthetic resin block heat treatment 10 ~ 12h at 80 ~ 90 DEG C after hot-forming, obtain four layers of look synthetic resin block finished product;
Wherein, each constituent mass percentage of four layers of materials is respectively:
Ground floor: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.01% is iron black: 0% ~ 0.005%, iron oxide yellow: 0% ~ 0.02%, titanium white: 0% ~ 0.2%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%;
The second layer: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.004% is iron black: 0% ~ 0.003%, iron oxide yellow: 0% ~ 0.01%, titanium white: 0% ~ 0.15%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%;
Third layer: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.004% is iron black: 0% ~ 0.003%, iron oxide yellow: 0% ~ 0.007%, titanium white: 0% ~ 0.15%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%;
4th layer: polymethyl methacrylate: 62% ~ 74%, iron oxide red: 0% ~ 0.01% is iron black: 0% ~ 0.01%, iron oxide yellow: 0% ~ 0.005%, titanium white: 0% ~ 0.1%, methyl methacrylate: 25% ~ 36%, GDMA: 1% ~ 2%.
3. the preparation method of four layers of look synthetic resin block according to claim 2, is characterized in that, described die size is ground floor thickness: 4 ~ 9mm, second layer thickness: 3 ~ 5mm, third layer thickness: 3 ~ 5mm, the 4th layer thickness: 4 ~ 6mm.
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| CN103654981A (en) * | 2013-12-23 | 2014-03-26 | 上海医疗器械股份有限公司 | Multi-layer-color denture and base integrated carving block as well as manufacturing and use methods thereof |
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| JP6865564B2 (en) * | 2015-11-30 | 2021-04-28 | 株式会社松風 | Resin material for multi-layer dental cutting |
| DE102015121858A1 (en) * | 2015-12-15 | 2017-06-22 | Heraeus Kulzer Gmbh | Process for producing large polymerized dental material blocks |
| EP3108849B1 (en) | 2016-04-25 | 2019-04-24 | 3M Innovative Properties Company | Multi-layered zirconia dental mill blank and process of production |
| CN108078789B (en) * | 2017-12-19 | 2020-12-18 | 上海沪亮生物医药科技有限公司 | Preparation method of multicolor integrated dental repair material |
| CN109637316A (en) * | 2018-12-17 | 2019-04-16 | 北京大学口腔医学院 | Double-layer resin tooth for the training of oral cavity tooth preparation |
| CN116137807B (en) * | 2020-07-29 | 2024-05-28 | 舒万诺知识产权公司 | Method for manufacturing dental mill blocks with uniform color and/or translucency gradient |
| CN112206170B (en) * | 2020-09-30 | 2021-10-15 | 爱迪特（秦皇岛）科技股份有限公司 | Gradient resin and preparation method and application thereof |
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