KR101630625B1 - Dental composite comprising the stickiness preventing materials - Google Patents
Dental composite comprising the stickiness preventing materials Download PDFInfo
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- KR101630625B1 KR101630625B1 KR1020140147457A KR20140147457A KR101630625B1 KR 101630625 B1 KR101630625 B1 KR 101630625B1 KR 1020140147457 A KR1020140147457 A KR 1020140147457A KR 20140147457 A KR20140147457 A KR 20140147457A KR 101630625 B1 KR101630625 B1 KR 101630625B1
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Abstract
The present invention relates to a dental composition comprising a hydrophobic component comprising a mixture of hydrocarbons having 5 to 40 carbon atoms based on the total composition weight in the range of 0.1 to 20 wt% In the procedure or treatment around the teeth, stickiness is prevented so that the polymeric material is prevented from adhering to other apparatuses and mechanisms except for the teeth, so that it is easy to use by the operator.
Description
The present invention relates to a dental composition having increased ease of use due to prevention of tackiness while maintaining excellent performances such as low shrinkage, easy removal and high hardness, and more particularly to a dental composition for dental temporary filler, dental restorative material, The present invention relates to a dental composition which allows workers to perform dental treatment or protection treatment more conveniently in the treatment of teeth or surrounding teeth by reducing the stickiness of dental compositions such as adhesives.
Dental caries is a disease in which teeth are demineralized by acid produced by the caries (cavities) pathogenic bacteria present in the oral cavity. Treatment is performed by cutting the infected area and filling the dental material. These treatments are carried out by adhesives such as adhesive resin cement, bonding agent or glass ionomer cement, and dental restorative materials.
In general, not only the temporary adhesive strength but also the durability in the oral environment are important for adhesion to teeth.
Amalgams, ceramics, and gold are examples of the restorative materials. Amalgam has excellent mechanical properties such as abrasion resistance and strength. However, since amalgam has a clear color difference with natural teeth, the amalgam has a poor aesthetic characteristic The adherence to dental tissues is poor and recent gradual release of mercury used in amalgam manufacture has warned of long-term harm to the human body. On the other hand, metallic restorative materials such as gold have excellent dental properties such as biocompatibility and mechanical properties, but they are very expensive because they are very expensive.
Therefore, in the field of dentistry, there have been a lot of researches on the development of restorative materials that can replace these amalgam deficits and the price disadvantages of metallic restorative materials. In addition, methacrylate monomers are used as catalysts A polymer composite of light-curing type using an inorganic filler as a reinforcing material has been developed to chemically cure and impart strength and abrasion resistance to today.
The light-curing dental restorative material is generally composed of an inorganic filler having a micron size, an acrylic-based organic substance, a photocatalyst, etc. This is because a special environment in the mouth, that is, a high occlusion pressure (about 470 MPa) Physical properties such as mechanical strength and low polymerization shrinkage that can withstand temperature changes (up to 65 ° C) are required.
As a prior art related to dental compositions such as dental restorative materials, dental adhesives, and the like as described above, in Registration No. 10-0739935 (2007.07.16.), Photopolymerization which is activated in a visible ray region having excellent aesthetic characteristics and mechanical properties 1 to 50 parts by weight of 2,2-bis- (4- (3-methacryloxy-2-hydroxypropoxy) phenylpropane and triethylene glycol dimethacrylate as a dental restorative composition of the type Based polymeric nano-restorative composition comprising an inorganic filler containing silica having a nano-size of less than 5 nanometers and a photopolymerization initiator in an amount effective to be activated in the visible light region, In the case of the dental composition which has an excellent adhesive effect and does not cause microleakage at the same time, A filler comprising a poly ((meth) acrylate) particle, a calcium-containing material containing tetracalcium phosphate (TTCP) and dicalcium phosphate (DCP), and a polymerization initiator is added to a dental composition comprising a polymerizable monomer, a polymerizable monomer, .
However, conventional techniques including the above-mentioned prior art are mainly for improvement of adhesiveness, hardening speed and the like, and it is an object of the present invention to provide a dental restorative material for treating a dentist of a patient, And it is inconvenient that it is inconvenient to the work of the worker by attaching to the spatula or the like and can not provide the optimum treatment to the patient. Therefore, the improvement is demanded.
In order to solve the above problems, the present invention provides a dental restoration material, a dental filling material, and a dental adhesive to prevent stickiness, thereby providing a better operator's convenience and providing an optimal treatment for a patient The present invention provides a dental composition which can be used as a dental composition.
The present invention relates to a dental composition comprising 42 to 85 wt% of a polyfunctional monomer having a plurality of double bonds in one molecule, 0.01 to 2 wt% of a polymerization initiator for initiating polymerization, and 12 to 55 wt% of a filler , Said dental composition comprising a hydrophobic component comprising a mixture of hydrocarbons having 5 to 40 carbon atoms, based on the total composition weight, in an amount in the range of 0.2 to 10 wt%, in order to prevent tackiness at the time of operation.
delete
Here, the photopolymerization initiator is used in an amount of 0.01 to 2 wt% as the polymerization initiator and may further include 0.02 to 3 wt% of a photosensitizer for photopolymerization, and the hydrophobic component including the mixture of hydrocarbons is used in an amount of 0.2 to 10 wt %, And more preferably, the hydrophobic component may comprise from 0.3 to 7 wt%, based on the total composition.
In one embodiment, titanium dioxide or silica may be used as the filler.
In one embodiment, the multifunctional polymerizable monomer having a plurality of double bonds may be any one of the monomers represented by the following structural formulas 1 to 5, or a mixture thereof.
[Structural formula 1]
[Structural formula 2]
[Structural Formula 3]
[Structural Formula 4]
[Structural Formula 5]
In Structural Formulas 1 to 5,
The substituents R, R 1 and R 2 are the same or different from each other and independently represent hydrogen, an alkyl group having 1 to 30 carbon atoms, a cycloalkyl group having 3 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms, an arylalkyl group having 7 to 30 carbon atoms Lt; / RTI >
The substituent R 3 is the same or different and independently selected from the group consisting of an alkylene group having 1 to 30 carbon atoms, a cycloalkylene group having 3 to 30 carbon atoms, an arylene group having 6 to 30 carbon atoms, and an arylalkylene group having 7 to 30 carbon atoms,
m, n and p each independently represent an integer of 0 to 50, and when m, n and p are each 2 or more, the plurality of substituents in the parentheses may be the same or different,
The substituents Y are the same or different and independently of each other selected from NR 4 , oxygen or sulfur, wherein R 4 is the same as the substituents R, R 1 and R 2 ,
A are each the same or different and independently selected from the group consisting of hydrogen, an alkyl group having 1 to 30 carbon atoms, a hydroxyl group, an acryl group, an acrylate group, a methacrylic group and a methacrylate group.
In this case, the substituents R and R 2 are the same or different and independently of one another are hydrogen or a methyl group, the substituents R 3 are each independently the same or different and are an alkylene group having 1 to 6 carbon atoms, an alkylene group having 6 to 12 carbon atoms An arylene group, and Y may be oxygen.
In one embodiment, the dental composition further comprises a polymerization inhibitor or a light stabilizer to ensure stability of the composition and to inhibit premature polymerization. In this case, the polymerization inhibitor to be added to the dental composition may be 0.001 to 1 wt%, and the light stabilizer may be used in an amount of 0.001 to 1 wt%.
As described above, the dental composition provided by the present invention provides a dental composition such as a temporary filler for dental use, a dental restoration material , and a dental adhesive to prevent sticking Thereby making it possible to provide a convenient working environment to the composition prepared according to the prior art and to provide an optimal treatment to the patient.
In particular, the dental composition of the present invention is free from the disadvantages of the prior art, because the components to be added are economical and easy to obtain, It is possible to produce a dental composition more economically.
FIG. 1 is a drawing showing the evaluation of the stickiness of the composition before polymerization by spraying the dental composition according to the present invention on the same area and the same size of particles.
FIG. 2 is a graph showing the physical properties of a polymerized product after polymerization of the dental composition according to the present invention. FIG.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which preferred embodiments of the invention are shown. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail to avoid unnecessarily obscuring the subject matter of the present invention.
The present invention relates to a dental composition comprising a polyfunctional monomer having a plurality of double bonds in one molecule, a polymerization initiator for initiating polymerization, and a filler, wherein the dental composition has a total composition weight And a hydrophobic component containing a mixture of hydrocarbons having 5 to 40 carbon atoms in an amount of 0.1 to 20 wt%.
In one embodiment, the dental composition of the present invention comprises a mixture of 42 to 85 wt% of the polyfunctional monomer, 0.01 to 2 wt% of a polymerization initiator to initiate polymerization, and a mixture of hydrocarbons having 6 to 40 carbon atoms And 0.1 to 20 wt% of the component, but the present invention is not limited to the composition of the above range.
Each of the more specific components of the dental composition of the present invention will be described in detail below.
In the present invention, the multifunctional monomer having a plurality of double bonds in one molecule can be used without limitation to any type of compound having two or more double bonds in the molecule. The functional group having a double bond is usually derived from an ethylenically unsaturated bond, and an acrylic group or a methacryl group may be used.
Preferably, the multifunctional monomer having a plurality of double bonds may further include 1 to 2 hydroxyl groups,
The multifunctional monomer may be any one of the monomers represented by the following structural formulas 1 to 5, or a mixture thereof.
[Structural formula 1]
[Structural formula 2]
[Structural Formula 3]
[Structural Formula 4]
[Structural Formula 5]
In Structural Formulas 1 to 5,
The substituents R, R 1 and R 2 are the same or different from each other and independently represent hydrogen, an alkyl group having 1 to 30 carbon atoms, a cycloalkyl group having 3 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms, an arylalkyl group having 7 to 30 carbon atoms Lt; / RTI >
The substituent R 3 is the same or different and independently selected from the group consisting of an alkylene group having 1 to 30 carbon atoms, a cycloalkylene group having 3 to 30 carbon atoms, an arylene group having 6 to 30 carbon atoms, and an arylalkylene group having 7 to 30 carbon atoms,
m, n and p each independently represent an integer of 0 to 50, and when m, n and p are each 2 or more, the plurality of substituents in the parentheses may be the same or different,
The substituents Y are the same or different and independently of each other selected from NR 4 , oxygen, or sulfur, wherein R 4 is the same as the substituents R, R 1 and R 2 ,
A are each the same or different and independently selected from the group consisting of hydrogen, an alkyl group having 1 to 30 carbon atoms, a hydroxyl group, an acryl group, an acrylate group, a methacrylic group and a methacrylate group.
More preferably, the substituents R and R 2 are the same or different and independently of one another are hydrogen or a methyl group, the substituents R 3 are each independently the same or different and are an alkylene group having 1 to 6 carbon atoms, 12 > is an arylene group, and Y may be oxygen. In this case, the compounds represented by Structural Formulas 1 to 5 include acrylic groups or methacrylic groups at both ends, so that the double bonds can easily form a polymer by photopolymerization or radical polymerization.
Illustratively, the polyfunctional monomer is selected from the group consisting of diurethane dimethacrylate, bisphenol A glycerolate dimethacrylate, 2-hydroxyethyl methacrylate, etc. And an ester compound of acrylic acid and / or methacrylic acid may be used. Examples of the ester compound include triethylene glycol dimethacrylate, bisphenol A ethoxylate dimethacrylate 1,6-hexanediol dimethacrylate, dodecanediol dimethacrylate, 1,3-butanediol dimethacrylate, 1,3-butanediol dimethacrylate, Ethylene glycol dimethacrylate, trimethylolpropane trimethacrylate, trimethylolpropane trimethacrylate, acrylate, 2-acetoacetoxyethyl methacrylate, glycerol dimethacrylate, poly (ethyleneglycol) dimethacrylate, 2-acetoacetoxyethyl methacrylate, hydroxypropyldimethacrylate, Acrylates such as hydroxypropyl methacrylate, lauryl acrylate, lauryl methacrylate, 2-methoxyethoxyethyl methacrylate, tetrahydroperfuryl methacrylate ( methoxyethyl methacrylate, tetrahydrofurfuryl methacrylate, ethoxyethyl methacrylate, poly (propylene glycol) monomethacrylate, isophorone urethane dimethacrylate, glycerol dimethacrylate benzoate, Glycerol dimethacrylate benzoate, phenylglycerol dimethacrylate urea (Phenyl urethane glycerol dimethacrylate), tetraethylene glycol dimethacrylate (tetraethylene glycol dimethacrylate), bisphenol A dimethacrylate (bisphenol A dimethacrylate), glycerol di (meth) acrylate; Trimethylol propane or butane triol di (meth) acrylate; Meso-erythritol or butane tetraol di (meth) acrylate or tri (meth) acrylate; Pentane triol di (meth) acrylate; Tetramethiol methane or pentane tetraol di (meth) acrylate or tri (meth) acrylate.
These multifunctional monomers may be used singly or in combination of two or more thereof.
These multifunctional monomers are preferably used in a number of 2 to 4 functional groups, and can be suitably designed by the user depending on the use environment or degree of polymerization. When the number of the functional groups is large, the degree of crosslinking of the curing agent of the composition is increased according to the amount of the addition, and the flexibility of the cured product of the composition is impaired and the adhesive property to the dental metal may be deteriorated.
Also, in the present invention, the dental composition contains a hydrophobic component including a mixture of hydrocarbons having 5 to 40 carbon atoms in order to prevent tackiness at work.
The hydrophobic component is contained on the surface of the dental composition for polymerization to prevent sticking, so that it does not stick to a working tool such as a spatula during a treatment of a worker, and can provide a work environment more quickly and efficiently .
In the present invention, the hydrophobic component may be an aliphatic ester, an aliphatic alcohol, an aliphatic hydrocarbon, an aromatic hydrocarbon, or a mixture thereof, preferably a mixture of aliphatic hydrocarbons having 5 to 40 carbon atoms, Mixtures of aromatic hydrocarbons, or mixtures thereof.
In one embodiment, the hydrophobic component may be vaseline, mineral oil, paraffin, or the like. These hydrophobic components may be present as liquid or solid at room temperature.
For example, in the case of mineral oil, a product having a boiling point in the range of 350 to 600 ° C can be used, and in the case of Vaseline, a product having a melting point in the range of 38 to 54 ° C can be used. In case of paraffin, Can be used. In the present invention, the mineral oil, petrolatum or paraffin may be used singly or in combination of two or more.
The hydrophobic component in the present invention can preferably further enhance the effect of preventing stickiness when the composition of the present invention is polymerized in a solid phase such as vaseline, paraffin or the like, rather than a liquid component.
The hydrophobic component may comprise from 0.1 to 20 wt%, preferably from 0.2 to 10 wt%, based on the total composition weight, and more preferably, the hydrophobic component comprises 0.3 To 7 wt%.
If the content of the hydrophobic component is lower than 0.1 wt%, the hydrophobic component may not be sufficiently contained on the surface of the polymer because the absolute amount of the hydrophobic component is insufficient. When the content of the hydrophobic component is higher than 20 wt% It may affect the physical properties such as strength, adhesive force and the like, and it is preferable to have the above range.
On the other hand, in the present invention, a polymerization initiator capable of polymerizing a polyfunctional monomer may be used. The polymerization initiator is not limited to any kind as long as it can polymerize the polyfunctional monomer.
A photopolymerization method or a chemical polymerization method can be used as a polymerization method of a commonly used dental restoration material.
As the chemical polymerization method, a double bond is radically polymerized by benzoyl peroxide and a tertiary amine. A radical generated from an initiator such as benzoyl peroxide reacts with a double bond of a monomer to produce a polymer.
On the other hand, the photopolymerization method can be carried out by ultraviolet polymerization or visible light polymerization. In case of ultraviolet polymerization, polymerization can be carried out by a photoinitiator such as benzoin alkyl ether. In the case of visible light polymerization, polymerization can be carried out by a photoinitiator such as campoquinone have. The photopolymerization causes the photoinitiator to be activated by ultraviolet rays or visible light, and the free radicals generated thereby react with the double bonds of the monomers to form a polymer.
In general, the content of the polymerization initiator may be 0.01 to 5 wt%, more preferably 0.01 to 2 wt%.
If the content of the photopolymerization initiator is less than 0.01 wt%, there may be a problem that photopolymerization initiation is not performed well. If the content is more than 5 wt%, it is difficult to expect an effect of increasing the weight depending on the weight, .
The photopolymerization initiator used in the present dental composition preferably forms radicals in the visible light region, and the resulting radicals initiate polymerization of the multifunctional monomers and cure.
Meanwhile, in the present invention, a photosensitizer may be used in the case of producing a polymer by photopolymerization, and examples thereof include N, N-dimethylaminoethyl methacrylate, ethyl 4- (dimethylamino) benzoate N, N-diethyl-p-toluidine, N, N-diethanol-p-toluidine, N, N-dimethylaniline, Dimethyl-p-tert-butylaniline, N, N-dimethyl aniline, N, N-dimethyl- (Meth) acrylate, N, N-dimethylaminobenzoic acid and alkyl esters thereof, N, N-diethylaminobenzoic acid and alkyl esters thereof, N, N-dimethylaminobenzaldehyde, N-phenylglycine, , And N- (3-methacryloyloxy-2-hydroxypropyl) phenylglycine may be used singly or in combination of two or more thereof. Can.
In the present invention, the content of the photosensitizer is preferably 0.02 to 3 wt% based on the total composition.
The photosensitizer that can be used usually ranges from 0.5 to 3.0 times the amount of the photopolymerization initiator used. When the amount is less than 0.5, the effect is insignificant. When the amount is more than 3.0 times, It is preferable to use the above range.
In the dental composition of the present invention, a photosensitizer may be used. In this case, the photosensitizer is preferably at least one selected from the group consisting of diphenyl monoketones such as benzophenone, methylbenzoyl benzoate and hydroxybenzophenone, and acylphosphine oxides such as 2,4,6-trimethylbenzoyl diphenylphosphoxide And the photosensitizer may be used alone or in combination. The photosensitizer used in the dental composition of the present invention may preferably be used in an amount of 0.02 to 3 wt%, and if it is less than or more than the above-mentioned range, it is not recommended that the photopolymerization conversion rate is lowered or the conversion rate is not improved.
Meanwhile, the dental composition of the present invention may include a filler. The filler used herein is titanium dioxide or silica, but not limited thereto, a metal oxide powder such as zirconium oxide, bismuth oxide, titanium oxide, zinc oxide and aluminum oxide particles; Metal fillers such as calcium carbonate bismuth carbonate, calcium phosphate, zirconium phosphate and barium sulfate; glass fillers such as silica glass, aluminum-containing glass, barium-containing glass, strontium-containing glass and zirconium silicate glass; A filler having a slow release property; And a filler having a fluorine-releasing property may be used alone or in combination.
The size of the filler used in the dental composition of the present invention can be appropriately selected by the user, and is preferably within the range of 0.02 to 15 μm. The content of the filler may be 12 to 55 wt%, more preferably 15 to 45 wt%.
In addition, the dental composition of the present invention may contain conventional additives. For example, polymerization can be inhibited during storage of the dental composition through polymerization inhibitors, light stabilizers, and the like.
Illustratively, the polymerization inhibitor may comprise from 0.001 to 1 wt%, and the light stabilizer may comprise from 0.001 to 1 wt%.
In addition, the dental composition of the present invention may contain an antioxidant, a pigment for coloring the polymer, and the like.
The polymerization inhibitor may be used alone or in combination of two or more of hydroquinone, hydroquinone monomethyl ether, hydroquinone monoethyl ether, and para-benzoquinone. The light stabilizer may be benzotriazole, Nubin P, and antioxidants include Igarnox, 2,6-di-tertiary-butyl-4-methylphenol butyrated hydroxypolyene, and pigments for controlling hue include yellow, navy blue or red The color can be adjusted by adding iron oxide or titanium oxide to the composition.
Hereinafter, the present invention will be described in more detail with reference to Examples. It is to be understood by those skilled in the art that these embodiments are only for illustrating the present invention and that the scope of the present invention is not construed as being limited by these embodiments.
Example
[Example 1] Preparation of dental composition
A dental composition according to the present invention is a dental composition comprising a monomer having a structural formula 1 (R 2 = Me, R 3 = Et, n = 1, p = 6 and R 1 and R are H, Y = O) , 0.01 wt% of benzotriazole as a light stabilizer, 0.01 wt% of 2,6-di-tert-butyl-p-cresol as a light stabilizer, 0.01 wt% of a diurethane dimethacrylate having a silyl group, 0.1% by weight of camphorquinone, 0.48% by weight of diphenylodonium hexafluorophosphate as a photosensitizer, and 0.7% by weight of ethyl-4-methylaminobenzoate were added to a mixed solution containing vaseline as a hydrophobic component 1 wt%, and a silica having an average particle diameter of 2 탆 as a filler as the remaining component was prepared.
[Example 2]
A dental composition was prepared in the same manner as in Example 1, except that the content of vaseline as a hydrocarbon in the dental composition used in Example 1 was 2 wt%.
[Example 3]
A dental composition was prepared in the same manner as in Example 1, except that the content of vaseline as a hydrocarbon in the dental composition used in Example 1 was 5 wt%.
[Example 4]
A dental composition was prepared in the same manner as in Example 1, except that the content of vaseline was 0.5 wt% as a hydrocarbon in the dental composition used in Example 1.
[Example 5]
A dental composition was prepared in the same manner as in Example 1, except that 3.0 wt% of paraffin having a melting point of 58 to 60 degrees as a hydrocarbon in the dental composition used in Example 1 was used.
[Example 6]
A dental composition was prepared using the same compound as in Example 1 except that the monomer had the structural formula 2 (R 2 = Me, A = H, R = Me, Y = O).
[Example 7]
A dental composition was prepared using the same compounds as in Example 1 except that 60 wt% of the
[Example 8]
A dental composition was prepared in the same manner as in Example 7 except that a compound having a content of petrolatum of 0.5 wt% was used.
[Comparative Example 1]
A dental composition was prepared in the same manner as in Example 1, except that vaseline in the dental composition used in Example 1 was not used.
[Evaluation of performance of composition]
The results of Examples 1 to 8 and Comparative Example 1 are shown in Table 1 below.
In order to evaluate the anti-tackiness of the dental composition of the present invention and the composition of Comparative Example 1, the composition was applied to the artificial teeth by spatula, and the result was evaluated by sensory evaluation, , And the evaluation results of the shrinkage, hardness and depth of polymerization after polymerization of the composition are shown in Fig.
As can be seen from Table 1, when the restorative material for teeth is manufactured using the dental composition of the present invention, the degree of stickiness is suppressed, so that the teeth are not adhered to devices other than teeth during treatment with teeth, The satisfaction of the worker is high, and there is an advantage that the work can be performed quickly and effectively.
1, in order to evaluate the tackiness of the dental composition according to Examples 1 to 8 and Comparative Example 1, particles of similar size are sprayed with the same weight on a polymeric phase having the same area, As a result, the anti-stickiness of the composition of the present invention can be indirectly evaluated.
From FIG. 1, it can be seen that the compositions of Examples 1 to 8 according to the present invention are more effective in preventing tackiness than Comparative Example 1.
2 shows physical properties (shrinkage percentage, hardness, and polymerization depth) of the polymerized product after the polymerization of the dental composition according to Examples 1 to 8 and Comparative Example 1. Referring to FIG. 2, the dental composition prepared according to the present invention has no deterioration in physical properties as compared with all polymerization characteristics of conventional dental compositions even when the hydrophobic component is contained therein. It is possible to know.
In order to evaluate the physical properties of the products according to the embodiments of the present invention, the shrinkage percentage, hardness, polymerization depth and stickiness of the existing commercial products were selected, and the results are shown in Table 2 Respectively.
As shown in Table 2, the dental composition obtained according to the present invention shows not only stickiness before polymerization but also low shrinkage, deep polymerization strength and strong strength as compared with other products, It is possible to know that the possibility is high.
Claims (10)
Wherein the dental composition comprises a hydrophobic component comprising a mixture of hydrocarbons having 5 to 40 carbon atoms based on the total weight of the composition in an amount of 0.2 to 10 wt% to prevent tackiness during operation.
Wherein 0.01 to 2 wt% of a photopolymerization initiator is used as the polymerization initiator, and further 0.02 to 3 wt% of a photosensitizer for photopolymerization is used.
Wherein the hydrocarbon component comprises 0.3 to 7 wt%.
Wherein the filler is titanium dioxide or silica.
Wherein the multifunctional polymerizable monomer having a plurality of double bonds is any one of the monomers represented by the following structural formulas 1 to 5 or a mixture thereof.
[Structural formula 1]
[Structural formula 2]
[Structural Formula 3]
[Structural Formula 4]
[Structural Formula 5]
In Structural Formulas 1 to 5,
The substituents R, R 1 and R 2 are the same or different from each other and independently represent hydrogen, an alkyl group having 1 to 30 carbon atoms, a cycloalkyl group having 3 to 30 carbon atoms, an aryl group having 6 to 30 carbon atoms, an arylalkyl group having 7 to 30 carbon atoms Lt; / RTI >
The substituent R 3 is the same or different and independently selected from the group consisting of an alkylene group having 1 to 30 carbon atoms, a cycloalkylene group having 3 to 30 carbon atoms, an arylene group having 6 to 30 carbon atoms, and an arylalkylene group having 7 to 30 carbon atoms,
m, n and p each independently represent an integer of 0 to 50, and when m, n and p are each 2 or more, the plurality of substituents in the parentheses may be the same or different,
The substituents Y are each the same or different and independently selected from NR 4 , oxygen, or sulfur, wherein R 4 is the same as the substituents R, R 1 and R 2 ,
A are each the same or different and independently selected from the group consisting of hydrogen, an alkyl group having 1 to 30 carbon atoms, a hydroxyl group, an acryl group, an acrylate group, a methacrylic group and a methacrylate group.
The substituents R and R 2 are the same or different and independently of one another are hydrogen or a methyl group,
The substituent R 3 is independently selected from the group consisting of an alkylene group having 1 to 6 carbon atoms and an arylene group having 6 to 12 carbon atoms,
And Y is oxygen.
Wherein the dental composition further comprises a polymerization inhibitor or a light stabilizer.
Wherein the polymerization inhibitor to be added to the dental composition is 0.001 to 1 wt%, and the light stabilizer is used in an amount of 0.001 to 1 wt%.
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| WO2022045794A1 (en) * | 2020-08-26 | 2022-03-03 | 주식회사 오디에스 | Composition for forming artificial tooth, method for manufacturing artificial tooth, and artificial tooth manufactured by same method |
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| WO2004032884A1 (en) * | 2002-10-08 | 2004-04-22 | Kuraray Medical Inc. | Dental coating kit |
| WO2007040253A1 (en) | 2005-10-04 | 2007-04-12 | Nihon University | Dental composition |
| KR100739935B1 (en) | 2006-01-13 | 2007-07-16 | 중앙대학교 산학협력단 | Composition for photo-polymerized dental restorative nanocomposite material |
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