CN109512679A - A kind of two-component composition, preparation method and application for dental root canal filling - Google Patents
A kind of two-component composition, preparation method and application for dental root canal filling Download PDFInfo
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- CN109512679A CN109512679A CN201811424104.XA CN201811424104A CN109512679A CN 109512679 A CN109512679 A CN 109512679A CN 201811424104 A CN201811424104 A CN 201811424104A CN 109512679 A CN109512679 A CN 109512679A
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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
- A61K6/891—Compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
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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
- A61K6/15—Compositions characterised by their physical properties
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/50—Preparations specially adapted for dental root treatment
- A61K6/54—Filling; Sealing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/70—Preparations for dentistry comprising inorganic additives
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/70—Preparations for dentistry comprising inorganic additives
- A61K6/71—Fillers
- A61K6/76—Fillers comprising silicon-containing compounds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/70—Preparations for dentistry comprising inorganic additives
- A61K6/71—Fillers
- A61K6/77—Glass
-
- 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
- A61K6/831—Preparations for artificial teeth, for filling teeth or for capping teeth comprising non-metallic elements or compounds thereof, e.g. carbon
Abstract
The present invention provides a kind of two-component compositions for dental root canal filling, comprising: matrix components and curing component；The matrix components include: the epoxy resin of 30~80 parts by weight, the toughener of 5~50 parts by weight, the developer of 2~20 parts by weight, the filler of 10~40 parts by weight, 1~10 parts by weight thickener；The curing component include: the curing agent of 30~80 parts by weight, the filler of 10~40 parts by weight, the thickener of 1~10 parts by weight, 0.5~5 parts by weight coupling agent.The present invention has high bond strength and high flexural strength by the composition that the auxiliary agents such as epoxy-resin systems, the specific curing agent of above-mentioned special ratios obtain.The experimental results showed that the present composition is just consolidated within time 30min, dentine adhesive strength is greater than 5MPa, flexural strength is greater than 70MPa, and bonding defect does not occur and material cracks are conducive to the lasting stability of dental root canal filling.
Description
Technical field
The present invention relates to field of material technology, more particularly, to a kind of two-component composition for dental root canal filling,
Preparation method and application.
Background technique
Various cements are used in dentistry to fix as repairing filling material, and by restoration or utensil
In oral cavity.
Existing common commercially available dentistry cement includes zinc oxide, trbasic zinc phosphate, PAZ zinc, glass ion, resin modified glass
Glass ionomer cement etc..Glass ion, resin modified glass ionomer cement, the major defect of this kind of cement are its intensity
It is low, high water absorption value and solubility value after solidification；Zinc oxide cement class material has the drawback that adhesive strength is low and (is less than
Not firm risk, the flexural strength that bonding defect causes bacterium to invade low (being less than 20MPa) of being easy to produce 3MPa) is bonded to be easy to make
At the risk that material cracks invade bacterium, it is unfavorable for the lasting stability of dental root canal filling.
Therefore, the dental root canal filling system for developing a kind of high bond strength and high flexural strength is very necessary.
Summary of the invention
In view of this, the technical problem to be solved in the present invention is that providing a kind of bi-component group for dental root canal filling
Object is closed, composition provided by the invention has high bond strength and high flexural strength for dental root canal filling.
The present invention provides a kind of two-component compositions for dental root canal filling, comprising:
Matrix components and curing component；
The matrix components include: the epoxy resin of 30~80 parts by weight, the toughener of 5~50 parts by weight, 2~20 weight
Part developer, the fillers of 10~40 parts by weight, 1~10 parts by weight thickener；
The curing component includes: the curing agent of 30~80 parts by weight, the filler of 10~40 parts by weight, 1~10 parts by weight
Thickener, 0.5~5 parts by weight coupling agent.
Preferably, the matrix components include: the epoxy resin of 40~70 parts by weight, the toughener of 10~40 parts by weight, 5
The developer of~15 parts by weight, the filler of 10~30 parts by weight, 2~8 parts by weight thickener.
Preferably, the curing component includes: the curing agent of 35~70 parts by weight, the filler of 10~60 parts by weight, 2~8
The coupling agent of the thickener of parts by weight, 1~4 parts by weight.
Preferably, the volume ratio of the matrix components and curing component is 1:1.
Preferably, in the matrix components:
The epoxy resin is selected from 3,4- epoxycyclohexyl-methyl 3,4- epoxycyclohexyl formic acid esters and bis- ((3,4- epoxies
One or more of cyclohexyl) methyl) adipate ester；
The toughener is selected from one or more of polyester resin and polysulfide rubber；
The developer is selected from one or more of barium sulfate, bismuth subcarbonate and artificial schellite；
The filler is selected from one or more of strontium glass powder, barium glass powder, calcium oxide and calcium silicates；
The thickener is nano silica.
Preferably, in the curing component:
The curing agent in polyetheramine, aliphatic cyclic amine, polymercaptan, amantadine, adamantane diamines, triethanolamine one
Kind is several；
The filler is selected from one or more of strontium glass powder, barium glass powder, calcium oxide and calcium silicates；
The thickener is nano silica；
The coupling agent is selected from one or more of KH550, KH560 and KH570.
The present invention provides the bi-component groups that dental root canal filling is used for described in a kind of above-mentioned technical proposal any one
Close the preparation method of object, comprising:
Epoxy resin, toughener, developer, filler and thickener are mixed, matrix components are obtained；
Curing agent, filler, thickener and coupling agent are mixed, curing component is obtained.
Preferably, the incorporation time is each independently selected from 3~8h；The mixing temperature is each independently selected from 20~35
℃。
The present invention provides compositions described in a kind of above-mentioned technical proposal any one to prepare dental root canal filling material
Application in material.
Compared with prior art, the present invention provides a kind of two-component compositions for dental root canal filling, comprising: base
Matter component and curing component；The matrix components include: the epoxy resin of 30~80 parts by weight, 5~50 parts by weight toughener,
The developer of 2~20 parts by weight, the filler of 10~40 parts by weight, 1~10 parts by weight thickener；The curing component includes:
The curing agent of 30~80 parts by weight, the filler of 10~40 parts by weight, the thickener of 1~10 parts by weight, 0.5~5 parts by weight idol
Join agent.The present invention is used for dental root canal by what the auxiliary agents such as epoxy-resin systems, the specific curing agent of above-mentioned special ratios obtained
The two-component composition of filling has high bond strength and high flexural strength.The experimental results showed that when the present composition is just consolidated
Between within 30min (under the conditions of 37 DEG C), dentine adhesive strength be greater than 5MPa, flexural strength is greater than 70MPa, and bonding does not occur and lacks
It falls into and material cracks is conducive to the lasting stability that dental root canal is filled.
Specific embodiment
The present invention provides a kind of two-component composition, preparation method and application for dental root canal filling, abilities
Field technique personnel can use for reference present disclosure, be suitably modified realization of process parameters.In particular, it should be pointed out that all similar replaces
Change and change apparent to those skilled in the art, they shall fall within the protection scope of the present invention.Of the invention
Method and application are described by preferred embodiment, and related personnel can obviously not depart from the content of present invention, spirit
Methods herein and application are modified or appropriate changes and combinations in range, carry out implementation and application the technology of the present invention.
The present invention provides a kind of two-component compositions for dental root canal filling, comprising:
Matrix components and curing component；
The matrix components include: the epoxy resin of 30~80 parts by weight, the toughener of 5~50 parts by weight, 2~20 weight
Part developer, the fillers of 10~40 parts by weight, 1~10 parts by weight thickener；
The curing component includes: the curing agent of 30~80 parts by weight, the filler of 10~40 parts by weight, 1~10 parts by weight
Thickener, 0.5~5 parts by weight coupling agent.
Component of the present invention is all parts by weight, when total amount is 100, is equal to mass percent.
Two-component composition provided by the present invention for dental root canal filling includes matrix components.
The matrix components include: the epoxy resin of 30~80 parts by weight, the toughener of 5~50 parts by weight, 2~20 weight
Part developer, the fillers of 10~40 parts by weight, 1~10 parts by weight thickener；
Matrix components of the present invention include the epoxy resin of 30~80 parts by weight；Preferably include the ring of 40~70 parts by weight
Oxygen resin；It more preferably include the epoxy resin of 45~69 parts by weight；It most preferably include the epoxy resin of 50~69 parts by weight.
According to the present invention, the epoxy resin is preferably selected from 3,4- epoxycyclohexyl-methyl 3,4- epoxycyclohexyl formic acid esters
One or more of with bis- ((3,4- epoxycyclohexyl) methyl) adipate esters；It more preferably include 3,4- epoxycyclohexyl-methyl
3,4- epoxycyclohexyl formic acid esters and two kinds of adipate ester of bis- ((3,4- epoxycyclohexyl) methyl).
The present invention for above two specific ratio without limit, preferably can be (30~38): (20~31).
The invention is compounded using above-mentioned specific epoxy resin with remaining component, especially specific two kinds of rings
Oxygen resin it is compound, adhesion strength is more preferable.
Matrix components of the present invention include the toughener of 5~50 parts by weight；Preferably include the toughening of 10~40 parts by weight
Agent；It more preferably include the toughener of 10~30 parts by weight；It most preferably include the toughener of 10~25 parts by weight.
Toughener of the present invention is selected from one or more of polyester resin and polysulfide rubber；The present invention to its source not
It is defined, it is commercially available.
Matrix components of the present invention include the developer of 2~20 parts by weight；Preferably include the development of 5~15 parts by weight
Agent；It more preferably include the developer of 6~14 parts by weight；It most preferably include the developer of 7~12 parts by weight.
According to the present invention, the developer is selected from one or more of barium sulfate, bismuth subcarbonate and artificial schellite；The present invention
It is commercially available to its source without limiting.
Matrix components of the present invention include the filler of 10~40 parts by weight；Preferably include the filler of 10~30 parts by weight；
It more preferably include the filler of 10~25 parts by weight；It most preferably include the filler of 10~20 parts by weight；
Filler of the present invention is preferably selected from one or more of strontium glass powder, barium glass powder, calcium oxide and calcium silicates；
The present invention to its source without limit, it is commercially available.
Matrix components of the present invention include the thickener of 1~10 parts by weight；Preferably include the thickener of 2~8 parts by weight；
It more preferably include the thickener of 2~6 parts by weight；It most preferably include the thickener of 2~4 parts by weight.
Thickener of the present invention is nano silica.The present invention to its source without limit, it is commercially available.
The present invention cooperates specific toughener, developer, filler and thickener by above-mentioned specific epoxy resin, finally
Matrix components are prepared, the technical effect of good cohesive strength and flexural strength is reached with the cooperation of following curing components.
Two-component composition provided by the present invention for dental root canal filling includes curing component.
The curing component includes: the curing agent of 30~80 parts by weight, the filler of 10~40 parts by weight, 1~10 parts by weight
Thickener, 0.5~5 parts by weight coupling agent.
Curing component of the present invention includes the curing agent of 30~80 parts by weight；Preferably include the solidification of 35~70 parts by weight
Agent；It more preferably include the curing agent of 40~65 parts by weight；It most preferably include the curing agent of 35~60 parts by weight；The most preferably include
The curing agent of 40~55 parts by weight.
Curing agent of the present invention is preferably selected from polyetheramine, aliphatic cyclic amine, polymercaptan, amantadine, adamantane diamines, three second
One or more of hydramine；It is more preferably selected from polyetheramine, aliphatic cyclic amine, polymercaptan, amantadine, adamantane diamines and three ethyl alcohol
Two or more in amine；It is most preferably selected from polyetheramine, aliphatic cyclic amine, polymercaptan, amantadine, adamantane diamines and three second
Three kinds or more in hydramine；The most preferably include polyetheramine, aliphatic cyclic amine, polymercaptan, amantadine, adamantane diamines and
Four or more in triethanolamine.
The present invention, without limiting, can be polyetheramine, polysulfide as described embodiments for above-mentioned which four kinds of cooperation
The combination of alcohol, amantadine and triethanolamine；It can be the combination of aliphatic cyclic amine, polymercaptan, amantadine and adamantane diamines；It can
Think the combination of polymercaptan, amantadine, adamantane diamines and triethanolamine.
The present invention is for its ratio without limiting.
The present invention has exactly selected above-mentioned specific curing agent participation curing reaction finally the present composition to be reached
The technical effect of good cohesive strength and flexural strength.
Curing component of the present invention includes the filler of 10~40 parts by weight；Preferably include the filler of 15~38 parts by weight；
It more preferably include the filler of 20~36 parts by weight；It most preferably include the filler of 25~35 parts by weight；
Filler of the present invention be preferably selected from strontium glass powder, barium glass powder, one of calcium oxide and calcium silicates or several
Kind；The present invention to its source without limit, it is commercially available.
Curing component of the present invention includes the thickener of 1~10 parts by weight；Preferably include the thickener of 2~8 parts by weight；
It more preferably include the thickener of 2~7 parts by weight；It most preferably include the thickener of 3~6 parts by weight.
Thickener of the present invention is nano silica.The present invention to its source without limit, it is commercially available.
Curing component of the present invention includes the coupling agent of 0.5~5 parts by weight；Preferably include the coupling of 1~4 parts by weight
Agent；It more preferably include the coupling agent of 1~3 parts by weight；It most preferably include the coupling agent of 1~2 parts by weight.
Coupling agent of the present invention is preferably selected from one or more of KH550, KH560 and KH570.The present invention comes it
Source is commercially available without limiting.
According to the present invention, the volume ratio of the matrix components and curing component is 1:1.
Of the invention innovative is cooperated using above-mentioned matrix components and curing component, especially specific epoxy resin, solidification
For the synergistic effect of agent and remaining component so that the composition adhesion strength being finally prepared is high, flexural strength is high, does not glue
It connects defect and material cracks is conducive to the lasting stability of dental root canal filling, filled up industry blank.
The present invention provides the bi-component groups that dental root canal filling is used for described in a kind of above-mentioned technical proposal any one
Close the preparation method of object, comprising:
Epoxy resin, toughener, developer, filler and thickener are mixed, matrix components are obtained；
Curing agent, filler, thickener and coupling agent are mixed, curing component is obtained.
The present invention is above-mentioned for the concrete component and ratio of the epoxy resin, toughener, developer, filler and thickener
It has been be clearly described that, details are not described herein, and the present invention is for the mixing and the concrete mode stirred without restriction, sheet
Known to the technical staff of field；The time of the stirring is preferably 6~8h；Stirring at normal temperature.Mixing of the present invention
Temperature is selected from 20~35 DEG C.
The present invention is above-mentioned for the concrete component and ratio of the curing agent, filler, thickener and coupling agent have been had clearly
The description of Chu, details are not described herein, and the present invention is for the mixing and the concrete mode stirred without restriction, art technology
Known to personnel；The time of the stirring is preferably 6~8h；Stirring at normal temperature.Mixing temperature of the present invention is selected from
20~35 DEG C.
The present invention provides compositions described in a kind of above-mentioned technical proposal any one to prepare dental root canal filling material
Application in material.
The present invention provides a kind of two-component compositions for dental root canal filling, comprising: matrix components and solidification group
Point；The matrix components include: the epoxy resin of 30~80 parts by weight, the toughener of 5~50 parts by weight, 2~20 parts by weight
Developer, the filler of 10~40 parts by weight, 1~10 parts by weight thickener；The curing component includes: 30~80 parts by weight
Curing agent, the filler of 10~40 parts by weight, the thickener of 1~10 parts by weight, 0.5~5 parts by weight coupling agent.The present invention passes through
The bicomponent combinations for dental root canal filling that the auxiliary agents such as the epoxy-resin systems of above-mentioned special ratios, specific curing agent obtain
Object has high bond strength and high flexural strength.The experimental results showed that the present composition just consolidates within time 30min (37 DEG C
Under the conditions of), dentine adhesive strength be greater than 5MPa, flexural strength be greater than 70MPa, bonding defect does not occur and material cracks are advantageous
In the lasting stability of dental root canal filling.
In order to further illustrate the present invention, with reference to embodiments to provided by the invention a kind of for dental root canal filling
Two-component composition, preparation method and application be described in detail.
Embodiment 1
Following component is bound together to form matrix components (quality %):
Following component is bound together to form curing agent component (quality %):
Above-mentioned matrix components and curing agent component each component raw material are passed through to mixing kettle room temperature mixing 3~8 respectively according to the ratio
Hour.
Test result: just admittedly within time 30min (under the conditions of 37 DEG C), 6 ± 1MPa of dentine adhesive strength, flexural strength
75±5MPa。
Embodiment 2
Following component is bound together to form matrix components (quality %):
Following component is bound together to form curing agent component (quality %):
Above-mentioned matrix components and curing agent component each component raw material are passed through to mixing kettle room temperature mixing 3~8 respectively according to the ratio
Hour.
Test result: just admittedly within time 30min (under the conditions of 37 DEG C), 6 ± 1MPa of dentine adhesive strength, flexural strength
70±5MPa。
Embodiment 3
Following component is bound together to form matrix components (quality %):
Following component is bound together to form curing agent component (quality %):
Above-mentioned matrix components and curing agent component each component raw material are passed through to mixing kettle room temperature mixing 3~8 respectively according to the ratio
Hour.
Test result: just admittedly within time 30min (under the conditions of 37 DEG C), 6 ± 1MPa of dentine adhesive strength, flexural strength
75±5MPa。
Embodiment 4
Following component is bound together to form matrix components (quality %):
Following component is bound together to form curing agent component (quality %):
Above-mentioned matrix components and curing agent component each component raw material are passed through to mixing kettle room temperature mixing 3~8 respectively according to the ratio
Hour.
Test result: just admittedly within time 30min (under the conditions of 37 DEG C), 4 ± 1MPa of dentine adhesive strength, flexural strength
50±5MPa。
Embodiment 5
Following component is bound together to form matrix components (quality %):
Following component is bound together to form curing agent component (quality %):
Above-mentioned matrix components and curing agent component each component raw material are passed through to mixing kettle room temperature mixing 3~8 respectively according to the ratio
Hour.
Test result: just admittedly within time 30min (under the conditions of 37 DEG C), 4 ± 1MPa or more of dentine adhesive strength, flexure
60 ± 5MPa of intensity.
Comparative example 1
Following component is bound together to form catalysis liquor (quality %)
Polycarboxylic acids 50
Aqueous solution 50
Following component is mixed to form matrix pulvis (quality %)
Test result: just admittedly within time 30min (under the conditions of 37 DEG C), dentine adhesive strength be less than 3MPa, flexure is strong
Degree is less than 15MPa, and the material after solidification easily occurs dusting and generates medical-risk.
Comparative example 2
Following component is bound together to form matrix components (quality %):
Following component is bound together to form curing agent component (quality %):
Above-mentioned matrix components and curing agent component each component raw material are passed through to mixing kettle room temperature mixing 3~8 respectively according to the ratio
Hour.
Test result: just admittedly within time 30min (under the conditions of 37 DEG C), 4 ± 1MPa or more of dentine adhesive strength, flexure
55 ± 5MPa or more of intensity.And bisphenol-type epoxy resin has potential estrogen aberration inducing risk.
Comparative example 3
Following component is bound together to form matrix components (quality %):
Following component is bound together to form curing agent component (quality %):
Above-mentioned matrix components and curing agent component each component raw material are passed through to mixing kettle room temperature mixing 3~8 respectively according to the ratio
Hour.
Test result: just time 90min or more (under the conditions of 37 DEG C), 4 ± 1MPa or more of dentine adhesive strength, flexure admittedly
50 ± 5MPa of intensity.
Comparative example 4
Following component is bound together to form matrix components (quality %):
Following component is bound together to form curing agent component (quality %):
Above-mentioned matrix components and curing agent component each component raw material are passed through to mixing kettle room temperature mixing 3~8 respectively according to the ratio
Hour.
Test result: just 30~60min of time (under the conditions of 37 DEG C), 5 ± 1MPa or more of dentine adhesive strength, flexure admittedly
45 ± 5MPa of intensity.
Compared with comparative example 1~4, Examples 1 to 5 provide prescription in terms of Dentin adhensive, flexural strength effect all
It shows conspicuousness and improves (p < 0.05), illustrate that each component compounding plays significant synergistic effect.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
1. a kind of two-component composition for dental root canal filling characterized by comprising
Matrix components and curing component；
The matrix components include: the epoxy resin of 30~80 parts by weight, the toughener of 5~50 parts by weight, 2~20 parts by weight
Developer, the filler of 10~40 parts by weight, 1~10 parts by weight thickener；
The curing component includes: the increasing of the curing agent of 30~80 parts by weight, the filler of 10~40 parts by weight, 1~10 parts by weight
Thick dose, the coupling agents of 0.5~5 parts by weight.
2. composition according to claim 1, which is characterized in that the matrix components include: the ring of 40~70 parts by weight
Oxygen resin, the toughener of 10~40 parts by weight, the developer of 5~15 parts by weight, the filler of 10~30 parts by weight, 2~8 parts by weight
Thickener.
3. composition according to claim 1, which is characterized in that the curing component includes: consolidating for 35~70 parts by weight
Agent, the filler of 10~60 parts by weight, the thickener of 2~8 parts by weight, 1~4 parts by weight coupling agent.
4. composition according to claim 1, which is characterized in that the volume ratio of the matrix components and curing component is 1:
1。
5. composition according to claim 1, which is characterized in that in the matrix components:
The epoxy resin is selected from 3,4- epoxycyclohexyl-methyl 3,4- epoxycyclohexyl formic acid esters and bis- ((3,4- epoxy hexamethylenes
One or more of base) methyl) adipate ester；
The toughener is selected from one or more of polyester resin and polysulfide rubber；
The developer is selected from one or more of barium sulfate, bismuth subcarbonate and artificial schellite；
The filler is selected from one or more of strontium glass powder, barium glass powder, calcium oxide and calcium silicates；
The thickener is nano silica.
6. composition according to claim 1, which is characterized in that in the curing component:
The curing agent be selected from one of polyetheramine, aliphatic cyclic amine, polymercaptan, amantadine, adamantane diamines, triethanolamine or
It is several；
The filler is selected from one or more of strontium glass powder, barium glass powder, calcium oxide and calcium silicates；
The thickener is nano silica；
The coupling agent is selected from one or more of KH550, KH560 and KH570.
7. the preparation method described in a kind of claim 1~6 any one for the two-component composition of dental root canal filling,
It is characterised by comprising:
Epoxy resin, toughener, developer, filler and thickener are mixed, matrix components are obtained；
Curing agent, filler, thickener and coupling agent are mixed, curing component is obtained.
8. preparation method according to claim 7, which is characterized in that the incorporation time is each independently selected from 3~8h；Institute
It states mixing temperature and is each independently selected from 20~35 DEG C.
9. composition described in a kind of claim 1~6 any one is preparing the application in dental root canal packing material.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113304056A (en) * | 2021-05-21 | 2021-08-27 | 桂林市啄木鸟医疗器械有限公司 | Premixed strontium-doped calcium silicate-based bioactive preparation and preparation method and application thereof |
| US20210277296A1 (en) * | 2020-03-09 | 2021-09-09 | Canon Kabushiki Kaisha | Adhesive composition, cured product, and article |
| CN115645605A (en) * | 2022-12-05 | 2023-01-31 | 苏州大学 | Developing bone cement and preparation method and application thereof |
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| CN115645605B (en) * | 2022-12-05 | 2024-04-26 | 苏州大学 | Developed bone cement and preparation method and application thereof |
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