CN108652985B - Composition for manufacturing dental temporary crown bridge and preparation method thereof - Google Patents
Composition for manufacturing dental temporary crown bridge and preparation method thereof Download PDFInfo
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- CN108652985B CN108652985B CN201810684680.1A CN201810684680A CN108652985B CN 108652985 B CN108652985 B CN 108652985B CN 201810684680 A CN201810684680 A CN 201810684680A CN 108652985 B CN108652985 B CN 108652985B
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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
- A61K6/884—Preparations for artificial teeth, for filling teeth or for capping teeth comprising natural or synthetic resins
- A61K6/887—Compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- A61K6/889—Polycarboxylate cements; Glass ionomer cements
Abstract
The invention provides a composition for making a dental temporary crown bridge, comprising: a matrix component and a catalytic component; the matrix component comprises: 40-60 parts by weight of an acrylate monomer; 1-10 parts by weight of an organosilicon-modified acrylate; 0.5-1 part by weight of a self-curing accelerator; 40-50 parts by weight of a filler; the catalytic component comprises: 40-60 parts by weight of an acrylate monomer; 1-10 parts by weight of an organosilicon-modified acrylate; 1-2 parts by weight of a self-curing initiator; 40 to 50 parts by weight of a filler. The composition for manufacturing the dental temporary crown bridge is prepared by matching the acrylate monomer with the organic silicon modified acrylate and performing self-curing reaction by combining the specific curing accelerator, the filler and the curing initiator.
Description
Technical Field
The invention relates to the technical field of materials, in particular to a composition for manufacturing a dental temporary crown bridge and a preparation method thereof.
Background
The temporary crown is a temporary full crown which is temporarily bonded in the mouth of a patient after the preparation of a tooth body of the crown restoration and before the final crown restoration is finished and can not be freely taken and worn by the patient.
Conventional temporary crown materials include a liquid/powder mixture that is mixed together. The liquid in this combination consists essentially of a monofunctional monomer (e.g., methyl methacrylate) and an activator; the powder comprises a polymer (polymethylmethacrylate) and a catalyst. Systems of this type are easy to handle, and they produce crowns and bridges with a significant resistance to breakage. However, the above-mentioned liquids are problematic. They are volatile and have an unpleasant odor. Furthermore, these systems have a high exotherm and a strong tendency to polymerization shrinkage during the polymerization process. More seriously, a large amount of bubbles and hard lumps are generated and are difficult to remove, which results in coarse spots and strong color spots in the hardened material. In addition, due to their high hardness, these materials are brittle and easily crumble.
Disclosure of Invention
In view of the above, the technical problem to be solved by the present invention is to provide a composition for manufacturing a dental temporary crown bridge, which has the advantages of fast curing speed, high strength and good toughness.
The invention provides a composition for making a dental temporary crown bridge, comprising:
a matrix component and a catalytic component;
the matrix component comprises: 40-60 parts by weight of an acrylate monomer; 1-10 parts by weight of an organosilicon-modified acrylate; 0.5-1 part by weight of a self-curing accelerator; 40-50 parts by weight of a filler;
the catalytic component comprises:
40-60 parts by weight of an acrylate monomer; 1-10 parts by weight of an organosilicon-modified acrylate; 1-2 parts by weight of a self-curing initiator; 40 to 50 parts by weight of a filler.
Preferably, the acrylate monomer comprises one or more of triethylene glycol di (meth) acrylate, tripropylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate, bisphenol a diglycidyl acrylate, ethoxylated bisphenol a di (meth) acrylate, trimethylolpropane triacrylate, ditrimethylolpropane acrylate, and aromatic urethane acrylate oligomers.
Preferably, the organosilicon modified acrylate comprises one or more of (1,1,1,3,5,5, 5-heptamethyl-3-trisiloxane-based) methacrylate, (1,1,3, 3-tetramethyldisiloxane-1, 3-diyl) dipropane-1, 3-diyl diacrylate, (2,4,6, 8-tetramethylcyclotetrasiloxane-2, 4,6, 8-diyl) tetrakis (propane-1, 3-diyl) tetraacrylate and 3- [ 3-vinyl-1, 1-bis [ (vinyldimethylsilyl) oxy ] -3, 3-dimethyl-1-disiloxy ] propyl methacrylate.
Preferably, the self-curing accelerator is a tertiary amine accelerator; the tertiary amine accelerator is dimethyl-p-toluidine.
Preferably, the filler comprises one or more of barium glass powder, strontium glass powder, gas phase silicon and pigment.
Preferably, the self-curing initiator is a peroxide; the peroxide comprises one or more of benzoyl peroxide and 2, 4-dichlorobenzoyl peroxide.
Preferably, the weight ratio of the matrix component to the catalytic component is (1-20): 1.
Preferably, the matrix component comprises: 45-55 parts by weight of an acrylate monomer; 2-9 parts by weight of an organosilicon-modified acrylate; 0.6-1 part by weight of a self-curing accelerator; 42 to 48 parts by weight of a filler.
Preferably, the catalytic component comprises:
45-55 parts by weight of an acrylate monomer; 2-9 parts by weight of an organosilicon-modified acrylate; 1-1.5 parts by weight of a self-curing initiator; 42 to 48 parts by weight of a filler.
The invention provides a preparation method of a composition for manufacturing a dental temporary crown bridge, which comprises the following steps:
mixing an acrylate monomer, organic silicon modified acrylate, a self-curing accelerator and a filler, and stirring to obtain a matrix component;
mixing and stirring an acrylate monomer, organic silicon modified acrylate, a self-curing initiator and a filler to obtain a matrix component.
Compared with the prior art, the invention provides a composition for manufacturing a dental temporary crown bridge, which comprises the following components: a matrix component and a catalytic component; the matrix component comprises: 40-60 parts by weight of an acrylate monomer; 1-10 parts by weight of an organosilicon-modified acrylate; 0.5-1 part by weight of a self-curing accelerator; 40-50 parts by weight of a filler; the catalytic component comprises: 40-60 parts by weight of an acrylate monomer; 1-10 parts by weight of an organosilicon-modified acrylate; 1-2 parts by weight of a self-curing initiator; 40 to 50 parts by weight of a filler. The composition for manufacturing the dental temporary crown bridge is prepared by matching the specific acrylate monomer with the organosilicon modified acrylate and simultaneously combining the specific curing accelerator, the filler and the curing initiator to carry out self-curing reaction.
Detailed Description
The invention provides a composition for manufacturing a dental temporary crown bridge, and a person skilled in the art can use the content to realize the composition by appropriately improving the process parameters. It is expressly intended that all such similar substitutes and modifications apparent to those skilled in the art are deemed to be within the scope of the invention. While the methods and applications of this invention have been described in terms of preferred embodiments, it will be apparent to those of ordinary skill in the art that variations and modifications in the methods and applications described herein, as well as other suitable variations and combinations, may be made to implement and use the techniques of this invention without departing from the spirit and scope of the invention.
The invention provides a composition for making a dental temporary crown bridge, comprising:
a matrix component and a catalytic component;
the matrix component comprises: 40-60 parts by weight of an acrylate monomer; 1-10 parts by weight of an organosilicon-modified acrylate; 0.5-1 part by weight of a self-curing accelerator; 40-50 parts by weight of a filler;
the catalytic component comprises:
40-60 parts by weight of an acrylate monomer; 1-10 parts by weight of an organosilicon-modified acrylate; 1-2 parts by weight of a self-curing initiator; 40 to 50 parts by weight of a filler.
The composition for manufacturing the dental temporary crown bridge provided by the invention is prepared from the following components in parts by weight; the total amount is 100 parts, which corresponds to mass%.
The composition for making a dental temporary crown bridge provided by the present invention comprises a matrix component.
The matrix component comprises 40-60 parts by weight of acrylate monomers; preferably 42 to 53 parts by weight of an acrylate monomer; more preferably 45 to 55 parts by weight of an acrylate monomer.
According to the invention, the acrylate monomer comprises one or more of triethylene glycol di (meth) acrylate, tripropylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate, bisphenol A diglycidyl acrylate, ethoxylated bisphenol A di (meth) acrylate, trimethylolpropane triacrylate, ditrimethylolpropane acrylate and aromatic urethane acrylate oligomer; preferably, two or more of triethylene glycol di (meth) acrylate, tripropylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate, bisphenol a diglycidyl acrylate, ethoxylated bisphenol a di (meth) acrylate, trimethylolpropane triacrylate, ditrimethylolpropane acrylate, and aromatic urethane acrylate oligomers are included.
The sources of the above components are not limited in the present invention, and they are commercially available.
The matrix component comprises 1-10 parts by weight of organic silicon modified acrylate; preferably 2-9 parts by weight of organic silicon modified acrylate; more preferably 3-8 parts by weight of organic silicon modified acrylate; most preferably 4 to 7 parts by weight of an organosilicon modified acrylate.
The organosilicon modified acrylate of the invention preferably comprises one or more of (1,1,1,3,5,5, 5-heptamethyl-3-trisiloxane-based) methacrylate, (1,1,3, 3-tetramethyldisiloxane-1, 3-diyl) dipropane-1, 3-diyl diacrylate, (2,4,6, 8-tetramethylcyclotetrasiloxane-2, 4,6, 8-diyl) tetrakis (propane-1, 3-diyl) tetraacrylate and 3- [ 3-vinyl-1, 1-bis [ (vinyldimethylsilyl) oxy ] -3, 3-dimethyl-1-disiloxy ] propyl methacrylate.
The sources of the above components are not limited in the present invention, and they are commercially available.
According to the invention, through the matching of the specific acrylate monomer and the organic silicon modified acrylate, the finally prepared dental temporary crown and bridge composition has the characteristics of high curing speed, high strength, good toughness and low oxygen inhibition layer.
The matrix component comprises 0.5-1 part by weight of self-curing accelerator; preferably 0.6-1 part by weight of self-curing accelerator; more preferably, the self-curing accelerator is included in an amount of 0.7 to 1 part by weight.
The self-curing accelerator is a tertiary amine accelerator; the tertiary amine accelerator is preferably dimethyl-p-toluidine. The sources of the above components are not limited in the present invention, and they are commercially available.
The matrix component of the invention comprises 40-50 parts by weight of a filler; preferably 42 to 48 parts by weight of a filler; more preferably 43 to 48 parts by weight of a filler.
The filler of the invention preferably comprises one or more of barium glass powder, strontium glass powder, gas phase silicon and pigment; more preferably comprises two or more of barium glass powder, strontium glass powder, gas phase silicon and pigment; the sources of the above components are not limited in the present invention, and they are commercially available.
According to the invention, the catalytic component comprises: 40-60 parts by weight of an acrylate monomer; preferably 42 to 53 parts by weight of an acrylate monomer; more preferably 45 to 55 parts by weight of an acrylate monomer.
According to the invention, the acrylate monomer comprises one or more of triethylene glycol di (meth) acrylate, tripropylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate, bisphenol A diglycidyl acrylate, ethoxylated bisphenol A di (meth) acrylate, trimethylolpropane triacrylate, ditrimethylolpropane acrylate and aromatic urethane acrylate oligomer; preferably, two or more of triethylene glycol di (meth) acrylate, tripropylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate, bisphenol a diglycidyl acrylate, ethoxylated bisphenol a di (meth) acrylate, trimethylolpropane triacrylate, ditrimethylolpropane acrylate, and aromatic urethane acrylate oligomers are included.
The sources of the above components are not limited in the present invention, and they are commercially available.
The catalytic component comprises 1-10 parts by weight of organic silicon modified acrylate; preferably 2-9 parts by weight of organic silicon modified acrylate; more preferably 3-8 parts by weight of organic silicon modified acrylate; most preferably 4 to 7 parts by weight of an organosilicon modified acrylate.
The organosilicon modified acrylate of the invention preferably comprises one or more of (1,1,1,3,5,5, 5-heptamethyl-3-trisiloxane-based) methacrylate, (1,1,3, 3-tetramethyldisiloxane-1, 3-diyl) dipropane-1, 3-diyl diacrylate, (2,4,6, 8-tetramethylcyclotetrasiloxane-2, 4,6, 8-diyl) tetrakis (propane-1, 3-diyl) tetraacrylate and 3- [ 3-vinyl-1, 1-bis [ (vinyldimethylsilyl) oxy ] -3, 3-dimethyl-1-disiloxy ] propyl methacrylate.
The sources of the above components are not limited in the present invention, and they are commercially available.
According to the invention, through the matching of the specific acrylate monomer and the organic silicon modified acrylate, the finally prepared dental temporary crown and bridge composition has the characteristics of high curing speed, high strength, good toughness and low oxygen inhibition layer.
The catalytic component comprises 1-2 parts by weight of a self-curing initiator; preferably 1 to 1.5 parts by weight of a self-curing initiator; more preferably, the self-curing initiator comprises 1 to 1.3 parts by weight.
According to the invention, the self-curing initiator is a peroxide; the peroxide comprises one or more of benzoyl peroxide and 2, 4-dichlorobenzoyl peroxide.
The catalytic component comprises 40-50 parts by weight of filler; preferably 42 to 48 parts by weight of a filler; more preferably 43 to 48 parts by weight of a filler.
The filler of the invention preferably comprises one or more of barium glass powder, strontium glass powder, gas phase silicon and pigment; more preferably comprises two or more of barium glass powder, strontium glass powder, gas phase silicon and pigment; the sources of the above components are not limited in the present invention, and they are commercially available.
According to the invention, the weight ratio of the matrix component to the catalytic component is preferably (1-20): 1; can be 20:1, 10:1, 5:1 and 1: 1; most preferably 1: 1.
In some preferred embodiments of the present invention, the matrix component comprises: 45-55 parts by weight of an acrylate monomer; 2-9 parts by weight of an organosilicon-modified acrylate; 0.6-1 part by weight of a self-curing accelerator; 42 to 48 parts by weight of a filler.
The catalytic component comprises:
45-55 parts by weight of an acrylate monomer; 2-9 parts by weight of an organosilicon-modified acrylate; 1-1.5 parts by weight of a self-curing initiator; 42 to 48 parts by weight of a filler.
The invention provides a composition for making a dental temporary crown bridge, comprising: a matrix component and a catalytic component; the matrix component comprises: 40-60 parts by weight of an acrylate monomer; 1-10 parts by weight of an organosilicon-modified acrylate; 0.5-1 part by weight of a self-curing accelerator; 40-50 parts by weight of a filler; the catalytic component comprises: 40-60 parts by weight of an acrylate monomer; 1-10 parts by weight of an organosilicon-modified acrylate; 1-2 parts by weight of a self-curing initiator; 40 to 50 parts by weight of a filler. The composition for manufacturing the dental temporary crown bridge is prepared by matching the specific acrylate monomer with the organosilicon modified acrylate and simultaneously combining the specific curing accelerator, the filler and the curing initiator to carry out self-curing reaction.
The invention provides a preparation method of a composition for manufacturing a dental temporary crown bridge, which comprises the following steps:
mixing an acrylate monomer, organic silicon modified acrylate, a self-curing accelerator and a filler, and stirring to obtain a matrix component;
mixing and stirring an acrylate monomer, organic silicon modified acrylate, a self-curing initiator and a filler to obtain a matrix component.
The specific components and proportions of the acrylate monomer, the organosilicon modified acrylate, the self-curing accelerator and the filler are clearly described above, and are not described herein any more, and the specific mixing and stirring modes of the invention are not limited, and are well known to those skilled in the art; the stirring time is preferably 5-10 h; stirring at normal temperature.
The specific components and proportions of the acrylate monomer, the organosilicon modified acrylate, the self-curing initiator and the filler are clearly described above, and are not described herein any more, and the specific mixing and stirring manner of the invention is not limited, and is well known to those skilled in the art; the stirring time is preferably 6-8 h; stirring at normal temperature.
After the matrix component and the catalytic component are respectively obtained, the materials are respectively packaged, and the materials are recommended to be packaged in a double-cylinder packaging tube to be matched with a mixing head for convenient use.
When in use, the two are mixed. The inventors do not limit this, and they are familiar with the art.
In order to further illustrate the present invention, a composition for making a dental temporary crown bridge according to the present invention is described in detail below with reference to the following examples.
Example 1
The following components were stirred together to form the catalytic component (% by mass):
bisphenol A diglycidyl acrylate 30%
Tripropylene glycol diacrylate 15%
(1,1,3, 3-tetramethyldisiloxane-1, 3-diyl) dipropane-1, 3-diyl diacrylate (7%)
25 percent of strontium glass powder
Gas phase silicon 3%
19 percent of barium glass powder
2, 4-dichloro benzoyl peroxide 1%
The following components were stirred together to form the matrix component (% by mass):
bisphenol A diglycidyl acrylate 30%
Tripropylene glycol diacrylate 15%
(1,1,3, 3-tetramethyldisiloxane-1, 3-diyl) dipropane-1, 3-diyl diacrylate (7%)
25 percent of strontium glass powder
Gas phase silicon 3%
19 percent of barium glass powder
Dimethyl-p-toluidine 0.97%
0.03 percent of pigment
The preparation method comprises the following steps: the matrix component and the catalytic component are respectively mixed and stirred for 6-8 hours at normal temperature.
And (3) measuring results: the flexural strength is 85MPa, and the modulus is 3.5 GPa.
Example 2
The following components were stirred together to form a catalyst paste (% by mass):
ethoxylated bisphenol A dimethacrylate 32%
Triethylene glycol diacrylate 13%
(1,1,1,3,5,5, 5-heptamethyl-3-trisiloxane-based) methacrylate 7%
20 percent of strontium glass powder
Gas phase silicon 3%
24 percent of barium glass powder
Benzoyl peroxide 1%
The following components were stirred together to form a matrigel paste (% by mass):
ethoxylated bisphenol A dimethacrylate 32%
Triethylene glycol diacrylate 13%
(1,1,1,3,5,5, 5-heptamethyl-3-trisiloxane-based) methacrylate 7%
20 percent of strontium glass powder
Gas phase silicon 3%
24 percent of barium glass powder
Dimethyl-p-toluidine 0.97%
0.03 percent of pigment
The preparation method comprises the following steps: the matrix component and the catalytic component are respectively mixed and stirred for 6-8 hours at normal temperature.
And (3) measuring results: flexural strength 82MPa, modulus 3.2 GPa.
Example 3
The following components were stirred together to form a catalyst paste (% by mass):
30 percent of urethane acrylate oligomer
15 percent of polyethylene glycol diacrylate
(2,4,6, 8-tetramethylcyclotetrasiloxane-2, 4,6, 8-tetrayl) tetrakis (propane-1, 3-diyl) tetraacrylate 7%
23 percent of strontium glass powder
Gas phase silicon 3%
21 percent of barium glass powder
2, 4-dichloro benzoyl peroxide 1%
The following components were stirred together to form a matrigel paste (% by mass):
30 percent of urethane acrylate oligomer
15 percent of polyethylene glycol diacrylate
(2,4,6, 8-tetramethylcyclotetrasiloxane-2, 4,6, 8-tetrayl) tetrakis (propane-1, 3-diyl) tetraacrylate 7%
23 percent of strontium glass powder
Gas phase silicon 3%
21 percent of barium glass powder
Dimethyl-p-toluidine 0.97%
0.03 percent of pigment
The preparation method comprises the following steps: the matrix component and the catalytic component are respectively mixed and stirred for 6-8 hours at normal temperature.
And (3) measuring results: flexural strength 92MPa, modulus 3.7 GPa.
Comparative example 1
The following components were stirred together to form the catalytic component (% by mass):
ethoxylated bisphenol A diacrylate 30%
Tripropylene glycol diacrylate 15%
Amino acrylic ester 7%
25 percent of strontium glass powder
Gas phase silicon 3%
19 percent of barium glass powder
2, 4-dichloro benzoyl peroxide 1%
The following components were stirred together to form the matrix component (% by mass):
ethoxylated bisphenol A diacrylate 30%
Tripropylene glycol diacrylate 15%
Amino acrylic ester 7%
25 percent of strontium glass powder
Gas phase silicon 3%
19 percent of barium glass powder
Dimethyl-p-toluidine 0.97%
0.03 percent of pigment
The preparation method comprises the following steps: the matrix component and the catalytic component are respectively mixed and stirred for 6-8 hours at normal temperature.
And (3) measuring results: flexural strength 89MPa, modulus 9.7 GPa. The modulus is high and the die-cutting edge is not complete.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A composition for making a dental temporary crown bridge comprising:
a matrix component and a catalytic component;
the matrix component comprises: 40-60 parts by weight of an acrylate monomer; 1-10 parts by weight of an organosilicon-modified acrylate; 0.5-1 part by weight of a self-curing accelerator; 40-50 parts by weight of a filler; the organic silicon modified acrylate comprises one or more of (1,1,1,3,5,5, 5-heptamethyl-3-trisiloxane) methacrylate, (1,1,3, 3-tetramethyldisiloxane-1, 3-diyl) dipropane-1, 3-diyl diacrylate and (2,4,6, 8-tetramethylcyclotetrasiloxane-2, 4,6, 8-diyl) tetra (propane-1, 3-diyl) tetraacrylate;
the catalytic component comprises:
40-60 parts by weight of an acrylate monomer; 1-10 parts by weight of an organosilicon-modified acrylate; 1-2 parts by weight of a self-curing initiator; 40-50 parts by weight of a filler; the organic silicon modified acrylate comprises one or more of (1,1,1,3,5,5, 5-heptamethyl-3-trisiloxane) methacrylate, (1,1,3, 3-tetramethyldisiloxane-1, 3-diyl) dipropane-1, 3-diyl diacrylate and (2,4,6, 8-tetramethylcyclotetrasiloxane-2, 4,6, 8-diyl) tetra (propane-1, 3-diyl) tetraacrylate.
2. The composition of claim 1, wherein the acrylate monomer comprises
Triethylene glycol di (meth) acrylate, tripropylene glycol di (meth) acrylate, polyethylene glycol di (meth) acrylate, bisphenol a diglycidyl acrylate, ethoxylated bisphenol a di (meth) acrylate, trimethylolpropane triacrylate, ditrimethylolpropane acrylate, and an aromatic urethane acrylate oligomer.
3. The composition of claim 1, wherein the self-curing accelerator is a tertiary amine accelerator; the tertiary amine accelerator is dimethyl-p-toluidine.
4. The composition of claim 1, wherein the filler comprises one or more of barium glass powder, strontium glass powder, fumed silica, and a pigment.
5. The composition of claim 1, wherein the self-curing initiator is a peroxide; the peroxide comprises one or more of benzoyl peroxide and 2, 4-dichlorobenzoyl peroxide.
6. The composition of claim 1, wherein the weight ratio of the matrix component to the catalytic component is (1-20): 1.
7. The composition of claim 1, wherein the matrix component comprises: 45-55 parts by weight of an acrylate monomer; 2-9 parts by weight of an organosilicon-modified acrylate; 0.6-1 part by weight of a self-curing accelerator; 42 to 48 parts by weight of a filler.
8. The composition of claim 1, wherein the catalytic component comprises:
45-55 parts by weight of an acrylate monomer; 2-9 parts by weight of an organosilicon-modified acrylate; 1-1.5 parts by weight of a self-curing initiator; 42 to 48 parts by weight of a filler.
9. A method of preparing a composition for making a dental temporary crown bridge as claimed in claim 1, comprising:
mixing an acrylate monomer, organic silicon modified acrylate, a self-curing accelerator and a filler, and stirring to obtain a matrix component;
mixing and stirring an acrylate monomer, organic silicon modified acrylate, a self-curing initiator and a filler to obtain the catalytic component.
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| CN108652985B (en) * | 2018-06-28 | 2021-02-19 | 吉林省登泰克牙科材料有限公司 | Composition for manufacturing dental temporary crown bridge and preparation method thereof |
| CN117064765B (en) * | 2023-10-16 | 2023-12-29 | 长春新斯达科技有限公司 | Dental adhesive restorative material composition and application thereof |
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