CN104921955A - Tooth filling material and preparation method thereof - Google Patents
Tooth filling material and preparation method thereof Download PDFInfo
- Publication number
- CN104921955A CN104921955A CN201510288557.4A CN201510288557A CN104921955A CN 104921955 A CN104921955 A CN 104921955A CN 201510288557 A CN201510288557 A CN 201510288557A CN 104921955 A CN104921955 A CN 104921955A
- Authority
- CN
- China
- Prior art keywords
- parts
- temperature
- district
- filling tooth
- tooth material
- Prior art date
- 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.)
- Withdrawn
Links
Abstract
The invention belongs to the field of a medical material, and particularly relates to a tooth filling material and a preparation method thereof. The tooth filling material comprises the following raw materials in parts by weight: 35 to 50 parts of polyacrylic acid resin, 35 to 50 parts of chitin, 10 to 20 parts of calcium phosphate, 5 to 10 parts of bone chips, 10 to 15 parts of silicon dioxide, 5 to 15 parts of plasticizing agent, 5 to 15 parts of adhesive, 5 to 10 parts of antibacterial agent, 5 to 10 parts of caries preventive agent and 3 to 8 parts of pigment. The preparation method comprises the following steps: firstly uniformly mixing the polyacrylic acid resin and the chitin, then sufficiently mixing the other materials, and finally extruding and granulating by utilizing two screws. The tooth filling material is good in biological compatibility and mechanical strength; the preparation method is simple, easy and suitable for the industrialized production.
Description
Technical field
The invention belongs to field of medical materials, be specifically related to a kind of filling tooth material and preparation method thereof.
Background technology
Namely dental filling repairs the method for dental defect by manmade materials.All because of dental caries, wedge shaped defect, wound etc. cause tissue of tooth defect person all need repair, to recover its shape and function.When pathological changes involves dental pulp, when even causing periapical disease, first should treat dental pulp, then row dental filling.
Before dental filling, dentist comprehensively can check patient oral cavity, comprehensively understands and suitable process the oral healthy condition of patient, and according to the quantity of patient's dental caries, treat position, the lesion degree of dental caries formulates best dental filling recovery scenario.Dental filling comprises cavity preparation and filling two key steps, and after cavity preparation is good, isolation saliva, sterilization nest hole, allotment filler is inserted in nest hole, immediately carves profile, and removing exceedes the too high part of occlusal surface, in order to avoid cause iatrogenic Occlusal Trauma.After filling tooth material filling, dentist can carry out polishing to dental filling surface, in case filling tooth material is painted, can clean timely the residue remained in after dental filling in dental surface and oral cavity simultaneously.The dental caries of some patient is comparatively large, needs the reparation carrying out corona after dental filling, and dentist can carry out detailed doctor's advice explanation to patient simultaneously.
Filling tooth material has silver amalgam, composite resin, glass ionomer etc.Wherein firm, the not easily consume but attractive in appearance not of silver amalgam, composite resin is attractive in appearance, close to the natural color of tooth, but intensity is not as silver amalgam, easy loss, so need to develop the filling tooth material that a kind of not only attractive in appearance but also intensity meets the demands.
Summary of the invention
The object of the invention is to provide a kind of filling tooth material and preparation method thereof to solve the deficiencies in the prior art, there is the advantages such as good biocompatibility, attractive in appearance and mechanical strength be good.
The technical solution used in the present invention is as follows:
A kind of filling tooth material, comprises the following raw material according to mass fraction meter: polyacrylic resin 35-50 part, chitin 35-50 part, calcium phosphate 10-20 part, GUSUIPIAN 5-10 part, silica 1 0-15 part, plasticizer 5-15 part, binding agent 5-15 part, antibacterial 5-10 part, caries preventive agent 5-10 part, pigment 3-8 part.
Above-described a kind of filling tooth material, comprises the following raw material according to mass fraction meter: polyacrylic resin 40-45 part, chitin 40-45 part, calcium phosphate 12-16 part, GUSUIPIAN 5-8 part, silica 1 2-15 part, plasticizer 8-12 part, binding agent 8-12 part, antibacterial 5-8 part, caries preventive agent 5-8 part, pigment 3-6 part.
Above-described a kind of filling tooth material, comprises the following raw material according to mass fraction meter: polyacrylic resin 42 parts, chitin 42 parts, 14 parts, calcium phosphate, GUSUIPIAN 7 parts, silica 14 parts, plasticizer 10 parts, binding agent 10 parts, antibacterial 6 parts, caries preventive agent 7 parts, pigment 5 parts.
Above-described a kind of filling tooth material, its fusing point is 70-90 DEG C.
The preparation method of above-described a kind of filling tooth material, comprises the steps:
(1) open plastic high-speed mixer, first get polyacrylic resin and chitin, carry out mixed at high speed 2h, the rotating speed of plastic high-speed mixer is 30-50r/min;
(2) add remaining raw material again, carry out mixing 1h, the rotating speed of plastic high-speed mixer is 30-50r/min;
(3) material after mix homogeneously is joined twin-screw extruder comminutor; twin-screw extruder temperature range is respectively: the first district temperature 100-110 DEG C; second district temperature 115-125 DEG C; 3rd district temperature 130-140 DEG C; 4th district temperature 145-155 DEG C; 5th district temperature 160-170 DEG C, carries out extruder grain, obtains described a kind of filling tooth material.
The rotating speed of described step (1) and (2) middle plastic high-speed mixer is 40r/min.
In described step (3), twin-screw extruder temperature range is respectively: first district's temperature 104 DEG C, second district's temperature 120 DEG C, the 3rd district's temperature 136 DEG C, the 4th district's temperature 154 DEG C, the 5th district's temperature 167 DEG C.
Beneficial effect of the present invention is:
The first, the raw material of filling tooth material of the present invention comprises chitin, can play the effect of thickening, and mechanical strength is good, and this filling tooth material intensity therefore can be made to increase;
The second, filling tooth material of the present invention contains bioactive filler, therefore has good biocompatibility;
3rd, preparation method of the present invention is simple, is suitable for commercial production.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, the raw material used in the present invention unless otherwise noted, all by commercial acquisition.
Embodiment 1
A kind of filling tooth material, comprises the following raw material according to mass fraction meter: polyacrylic resin 35 parts, chitin 35 parts, 10 parts, calcium phosphate, GUSUIPIAN 5 parts, silica 10 part, plasticizer 5 parts, binding agent 5 parts, antibacterial 5 parts, caries preventive agent 5 parts, pigment 3 parts.
The preparation method of above-described a kind of filling tooth material, comprises the steps:
(1) open plastic high-speed mixer, first get polyacrylic resin and chitin, carry out mixed at high speed 2h, the rotating speed of plastic high-speed mixer is 30r/min;
(2) add remaining raw material again, carry out mixing 1h, the rotating speed of plastic high-speed mixer is 30r/min;
(3) material after mix homogeneously is joined twin-screw extruder comminutor; twin-screw extruder temperature range is respectively: first district's temperature 100 DEG C; second district's temperature 115 DEG C; 3rd district's temperature 130 DEG C; 4th district's temperature 145 DEG C; 5th district's temperature 160 DEG C, carries out extruder grain, obtains described a kind of filling tooth material.
Embodiment 2
A kind of filling tooth material, comprises the following raw material according to mass fraction meter: polyacrylic resin 40 parts, chitin 40 parts, 12 parts, calcium phosphate, GUSUIPIAN 5 parts, silica 12 parts, plasticizer 8 parts, binding agent 8 parts, antibacterial 5 parts, caries preventive agent 5 parts, pigment 3 parts.
The preparation method of above-described a kind of filling tooth material, comprises the steps:
(1) open plastic high-speed mixer, first get polyacrylic resin and chitin, carry out mixed at high speed 2h, the rotating speed of plastic high-speed mixer is 35r/min;
(2) add remaining raw material again, carry out mixing 1h, the rotating speed of plastic high-speed mixer is 35r/min;
(3) material after mix homogeneously is joined twin-screw extruder comminutor; twin-screw extruder temperature range is respectively: first district's temperature 102 DEG C; second district's temperature 118 DEG C; 3rd district's temperature 134 DEG C; 4th district's temperature 148 DEG C; 5th district's temperature 163 DEG C, carries out extruder grain, obtains described a kind of filling tooth material.
Embodiment 3
A kind of filling tooth material, comprises the following raw material according to mass fraction meter: polyacrylic resin 42 parts, chitin 42 parts, 14 parts, calcium phosphate, GUSUIPIAN 7 parts, silica 14 parts, plasticizer 10 parts, binding agent 10 parts, antibacterial 6 parts, caries preventive agent 7 parts, pigment 5 parts.
The preparation method of above-described a kind of filling tooth material, comprises the steps:
(1) open plastic high-speed mixer, first get polyacrylic resin and chitin, carry out mixed at high speed 2h, the rotating speed of plastic high-speed mixer is 40r/min;
(2) add remaining raw material again, carry out mixing 1h, the rotating speed of plastic high-speed mixer is 40r/min;
(3) material after mix homogeneously is joined twin-screw extruder comminutor; twin-screw extruder temperature range is respectively: first district's temperature 104 DEG C; second district's temperature 120 DEG C; 3rd district's temperature 136 DEG C; 4th district's temperature 154 DEG C; 5th district's temperature 167 DEG C, carries out extruder grain, obtains described a kind of filling tooth material.
Embodiment 4
A kind of filling tooth material, comprises the following raw material according to mass fraction meter: polyacrylic resin 45 parts, chitin 45 parts, 16 parts, calcium phosphate, GUSUIPIAN 8 parts, silica 15 parts, plasticizer 12 parts, binding agent 12 parts, antibacterial 8 parts, caries preventive agent 8 parts, pigment 6 parts.
The preparation method of above-described a kind of filling tooth material, comprises the steps:
(1) open plastic high-speed mixer, first get polyacrylic resin and chitin, carry out mixed at high speed 2h, the rotating speed of plastic high-speed mixer is 45r/min;
(2) add remaining raw material again, carry out mixing 1h, the rotating speed of plastic high-speed mixer is 45r/min;
(3) material after mix homogeneously is joined twin-screw extruder comminutor; twin-screw extruder temperature range is respectively: first district's temperature 106 DEG C; second district's temperature 122 DEG C; 3rd district's temperature 139 DEG C; 4th district's temperature 154 DEG C; 5th district's temperature 168 DEG C, carries out extruder grain, obtains described a kind of filling tooth material.
Embodiment 5
A kind of filling tooth material, comprises the following raw material according to mass fraction meter: polyacrylic resin 50 parts, chitin 50 parts, 20 parts, calcium phosphate, GUSUIPIAN 10 parts, silica 15 parts, plasticizer 15 parts, binding agent 15 parts, antibacterial 10 parts, caries preventive agent 10 parts, pigment 8 parts.
The preparation method of above-described a kind of filling tooth material, comprises the steps:
(1) open plastic high-speed mixer, first get polyacrylic resin and chitin, carry out mixed at high speed 2h, the rotating speed of plastic high-speed mixer is 50r/min;
(2) add remaining raw material again, carry out mixing 1h, the rotating speed of plastic high-speed mixer is 50r/min;
(3) material after mix homogeneously is joined twin-screw extruder comminutor; twin-screw extruder temperature range is respectively: first district's temperature 110 DEG C; second district's temperature 125 DEG C; 3rd district's temperature 140 DEG C; 4th district's temperature 155 DEG C; 5th district's temperature 170 DEG C, carries out extruder grain, obtains described a kind of filling tooth material.
Reference examples
A kind of filling tooth material, comprises the following raw material according to mass fraction meter: polyacrylic resin 42 parts, 14 parts, calcium phosphate, silica 14 parts, plasticizer 10 parts, binding agent 10 parts, antibacterial 6 parts, caries preventive agent 7 parts, pigment 5 parts.
The preparation method of above-described a kind of filling tooth material, comprises the steps:
(1) open plastic high-speed mixer, raw material is carried out mixed at high speed 2h, the rotating speed of plastic high-speed mixer is 40r/min;
(2) material after mix homogeneously is joined twin-screw extruder comminutor; twin-screw extruder temperature range is respectively: first district's temperature 104 DEG C; second district's temperature 120 DEG C; 3rd district's temperature 136 DEG C; 4th district's temperature 154 DEG C; 5th district's temperature 167 DEG C, carries out extruder grain, obtains described a kind of filling tooth material.
Performance test
Performance test is carried out to the embodiment of the present invention 1 ~ 5 products obtained therefrom, contrasts with reference examples.
Get 20 obtained filling tooth materials in each embodiment and reference examples at random, test its Rockwell hardness number and average, result is as following table:
Table 1 properties of product test data
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Reference examples | |
| Rockwell hardness number | 321 | 324 | 330 | 325 | 319 | 236 |
As seen from the above table, embodiment 3 products obtained therefrom best results.
Claims (7)
1. a filling tooth material, it is characterized in that, comprise the following raw material according to mass fraction meter: polyacrylic resin 35-50 part, chitin 35-50 part, calcium phosphate 10-20 part, GUSUIPIAN 5-10 part, silica 1 0-15 part, plasticizer 5-15 part, binding agent 5-15 part, antibacterial 5-10 part, caries preventive agent 5-10 part, pigment 3-8 part.
2. a kind of filling tooth material according to claim 1, it is characterized in that, comprise the following raw material according to mass fraction meter: polyacrylic resin 40-45 part, chitin 40-45 part, calcium phosphate 12-16 part, GUSUIPIAN 5-8 part, silica 1 2-15 part, plasticizer 8-12 part, binding agent 8-12 part, antibacterial 5-8 part, caries preventive agent 5-8 part, pigment 3-6 part.
3. a kind of filling tooth material according to claim 1, it is characterized in that, comprise the following raw material according to mass fraction meter: polyacrylic resin 42 parts, chitin 42 parts, 14 parts, calcium phosphate, GUSUIPIAN 7 parts, silica 14 parts, plasticizer 10 parts, binding agent 10 parts, antibacterial 6 parts, caries preventive agent 7 parts, pigment 5 parts.
4. a kind of filling tooth material according to any one of claim 1-3, is characterized in that, the fusing point of filling tooth material is 70-90 DEG C.
5. the preparation method of a kind of filling tooth material described in any one of claim 1-3, is characterized in that, comprise the steps:
(1) open plastic high-speed mixer, first get polyacrylic resin and chitin, carry out mixed at high speed 2h, the rotating speed of plastic high-speed mixer is 30-50r/min;
(2) add remaining raw material again, carry out mixing 1h, the rotating speed of plastic high-speed mixer is 30-50r/min;
(3) material after mix homogeneously is joined twin-screw extruder comminutor; twin-screw extruder temperature range is respectively: the first district temperature 100-110 DEG C; second district temperature 115-125 DEG C; 3rd district temperature 130-140 DEG C; 4th district temperature 145-155 DEG C; 5th district temperature 160-170 DEG C, carries out extruder grain, obtains described a kind of filling tooth material.
6. the preparation method of a kind of filling tooth material according to claim 5, is characterized in that, the rotating speed of step (1) and (2) middle plastic high-speed mixer is 40r/min.
7. the preparation method of a kind of filling tooth material according to claim 5, it is characterized in that, in step (3), twin-screw extruder temperature range is respectively: first district's temperature 104 DEG C, second district's temperature 120 DEG C, 3rd district's temperature 136 DEG C, 4th district's temperature 154 DEG C, the 5th district's temperature 167 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510288557.4A CN104921955A (en) | 2015-05-29 | 2015-05-29 | Tooth filling material and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510288557.4A CN104921955A (en) | 2015-05-29 | 2015-05-29 | Tooth filling material and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104921955A true CN104921955A (en) | 2015-09-23 |
Family
ID=54109624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510288557.4A Withdrawn CN104921955A (en) | 2015-05-29 | 2015-05-29 | Tooth filling material and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104921955A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018064798A1 (en) * | 2016-10-06 | 2018-04-12 | The University Of Hong Kong | Electro-conductive and anti-bacterial composite material for endodontic use |
| CN110204828A (en) * | 2019-06-11 | 2019-09-06 | 温州医科大学附属口腔医院 | A kind of dental filling chock |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86108111A (en) * | 1986-12-10 | 1988-06-22 | 杰弗里·詹姆斯·奇塔姆 | Composite dental restorative material |
| CN101014297A (en) * | 2004-08-06 | 2007-08-08 | 彭特恩临床科技有限公司 | Dental filling material |
| CN102008743A (en) * | 2009-09-08 | 2011-04-13 | 张元元 | Adhesive for bones and teeth |
-
2015
- 2015-05-29 CN CN201510288557.4A patent/CN104921955A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN86108111A (en) * | 1986-12-10 | 1988-06-22 | 杰弗里·詹姆斯·奇塔姆 | Composite dental restorative material |
| CN101014297A (en) * | 2004-08-06 | 2007-08-08 | 彭特恩临床科技有限公司 | Dental filling material |
| CN102008743A (en) * | 2009-09-08 | 2011-04-13 | 张元元 | Adhesive for bones and teeth |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018064798A1 (en) * | 2016-10-06 | 2018-04-12 | The University Of Hong Kong | Electro-conductive and anti-bacterial composite material for endodontic use |
| US11484476B2 (en) | 2016-10-06 | 2022-11-01 | The University Of Hong Kong | Electro-conductive and anti-bacterial composite material, for endodontic use |
| CN110204828A (en) * | 2019-06-11 | 2019-09-06 | 温州医科大学附属口腔医院 | A kind of dental filling chock |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Azimi et al. | Comparison of pulp response to mineral trioxide aggregate and a bioceramic paste in partial pulpotomy of sound human premolars: a randomized controlled trial | |
| CN109608762B (en) | Syndiotactic polypropylene composition for 3D printing, syndiotactic polypropylene composite material and preparation method thereof | |
| CN104248775B (en) | A kind of hydroxyapatite-chitosan plural gel and preparation technology thereof and purposes | |
| CN102824286A (en) | Soft capsule oral care agent and preparation method thereof | |
| CN108524374A (en) | It is a kind of for the toothpaste and its manufacturing method of a variety of oral problems and application | |
| CN104921955A (en) | Tooth filling material and preparation method thereof | |
| CN105232340A (en) | Composite material for dental prosthesis and preparation method of composite material | |
| CN104208743B (en) | A kind of hemostatic analgesia dressing | |
| Niu et al. | Remineralising dentine caries using an artificial antimicrobial peptide: An in vitro study | |
| CN105079888A (en) | Application of magnesium material as oral cavity GTR or GBR membrane material | |
| CN101450223A (en) | Hemostasia material based on chitosan, collagen and sodium cellulose glycolate and preparation method and use thereof | |
| CN104905981A (en) | Composite resin used for dental filling and preparation method thereof | |
| CN103006455A (en) | Method for preparing chitosan tooth-protection toothpaste | |
| CN104307031B (en) | A kind of Preparation method and use of external preparation for skin repair materials | |
| CN105663015B (en) | A kind of special bee glue tooth paste of pregnant and lying-in women and preparation method thereof | |
| CN104491919A (en) | Propolis hemostatic gauze and preparation method thereof | |
| Toz-Akalin et al. | Clinical evaluation of low-shrinkage bioactive material giomer versus nanohybrid resin composite restorations: A two-year prospective controlled clinical trial | |
| CN106540317A (en) | A kind of realizing controlled-release bone cement and preparation method thereof | |
| CN104921956A (en) | Dental restoration material and method for manufacturing same | |
| CN102382472B (en) | Edge molding material for dental complete denture impression | |
| CN108158827A (en) | A kind of composite material for dental prosthetic | |
| CN105288709A (en) | Wet wound dressing and preparation method thereof | |
| CN109233260A (en) | A kind of preparation method of antibacterial and deodouring sole | |
| CN102309523B (en) | Dentoidin sponginum and preparation method thereof | |
| CN105832566A (en) | Preparation method of resin material used for dental repair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150923 |