JP5894861B2 - Method for producing denture capable of confirming identification information of identification information recording section by fluorescence and composition kit for providing identification information capable of being confirmed by fluorescence to denture - Google Patents
Method for producing denture capable of confirming identification information of identification information recording section by fluorescence and composition kit for providing identification information capable of being confirmed by fluorescence to denture Download PDFInfo
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- JP5894861B2 JP5894861B2 JP2012119384A JP2012119384A JP5894861B2 JP 5894861 B2 JP5894861 B2 JP 5894861B2 JP 2012119384 A JP2012119384 A JP 2012119384A JP 2012119384 A JP2012119384 A JP 2012119384A JP 5894861 B2 JP5894861 B2 JP 5894861B2
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- 239000001506 calcium phosphate Substances 0.000 description 1
- 229910000389 calcium phosphate Inorganic materials 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- IQBJFLXHQFMQRP-UHFFFAOYSA-K calcium;zinc;phosphate Chemical compound [Ca+2].[Zn+2].[O-]P([O-])([O-])=O IQBJFLXHQFMQRP-UHFFFAOYSA-K 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000000805 composite resin Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- SUPCQIBBMFXVTL-UHFFFAOYSA-N ethyl 2-methylprop-2-enoate Chemical compound CCOC(=O)C(C)=C SUPCQIBBMFXVTL-UHFFFAOYSA-N 0.000 description 1
- STVZJERGLQHEKB-UHFFFAOYSA-N ethylene glycol dimethacrylate Substances CC(=C)C(=O)OCCOC(=O)C(C)=C STVZJERGLQHEKB-UHFFFAOYSA-N 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000010433 feldspar Substances 0.000 description 1
- GVEPBJHOBDJJJI-UHFFFAOYSA-N fluoranthene Chemical class C1=CC(C2=CC=CC=C22)=C3C2=CC=CC3=C1 GVEPBJHOBDJJJI-UHFFFAOYSA-N 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 229910021485 fumed silica Inorganic materials 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- VOZRXNHHFUQHIL-UHFFFAOYSA-N glycidyl methacrylate Chemical compound CC(=C)C(=O)OCC1CO1 VOZRXNHHFUQHIL-UHFFFAOYSA-N 0.000 description 1
- VLKZOEOYAKHREP-UHFFFAOYSA-N hexane Substances CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- ZFSLODLOARCGLH-UHFFFAOYSA-N isocyanuric acid Chemical compound OC1=NC(O)=NC(O)=N1 ZFSLODLOARCGLH-UHFFFAOYSA-N 0.000 description 1
- CDOSHBSSFJOMGT-UHFFFAOYSA-N linalool Chemical compound CC(C)=CCCC(C)(O)C=C CDOSHBSSFJOMGT-UHFFFAOYSA-N 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 210000000214 mouth Anatomy 0.000 description 1
- GYVGXEWAOAAJEU-UHFFFAOYSA-N n,n,4-trimethylaniline Chemical compound CN(C)C1=CC=C(C)C=C1 GYVGXEWAOAAJEU-UHFFFAOYSA-N 0.000 description 1
- 229940054441 o-phthalaldehyde Drugs 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 150000002902 organometallic compounds Chemical class 0.000 description 1
- MPQXHAGKBWFSNV-UHFFFAOYSA-N oxidophosphanium Chemical class [PH3]=O MPQXHAGKBWFSNV-UHFFFAOYSA-N 0.000 description 1
- FZUGPQWGEGAKET-UHFFFAOYSA-N parbenate Chemical compound CCOC(=O)C1=CC=C(N(C)C)C=C1 FZUGPQWGEGAKET-UHFFFAOYSA-N 0.000 description 1
- WXZMFSXDPGVJKK-UHFFFAOYSA-N pentaerythritol Chemical compound OCC(CO)(CO)CO WXZMFSXDPGVJKK-UHFFFAOYSA-N 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- 150000003013 phosphoric acid derivatives Chemical class 0.000 description 1
- ZWLUXSQADUDCSB-UHFFFAOYSA-N phthalaldehyde Chemical compound O=CC1=CC=CC=C1C=O ZWLUXSQADUDCSB-UHFFFAOYSA-N 0.000 description 1
- 150000003021 phthalic acid derivatives Chemical class 0.000 description 1
- XKJCHHZQLQNZHY-UHFFFAOYSA-N phthalimide Chemical class C1=CC=C2C(=O)NC(=O)C2=C1 XKJCHHZQLQNZHY-UHFFFAOYSA-N 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- BOQSSGDQNWEFSX-UHFFFAOYSA-N propan-2-yl 2-methylprop-2-enoate Chemical compound CC(C)OC(=O)C(C)=C BOQSSGDQNWEFSX-UHFFFAOYSA-N 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- XEPDKURZMUAWHZ-UHFFFAOYSA-N pyrano[2,3-f]chromene-2,5-dione Chemical class C12=CC=COC2=CC(=O)C2=C1OC(=O)C=C2 XEPDKURZMUAWHZ-UHFFFAOYSA-N 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- TUNFSRHWOTWDNC-UHFFFAOYSA-N tetradecanoic acid Chemical compound CCCCCCCCCCCCCC(O)=O TUNFSRHWOTWDNC-UHFFFAOYSA-N 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- YRHRIQCWCFGUEQ-UHFFFAOYSA-N thioxanthen-9-one Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3SC2=C1 YRHRIQCWCFGUEQ-UHFFFAOYSA-N 0.000 description 1
- 150000005075 thioxanthenes Chemical class 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- QXJQHYBHAIHNGG-UHFFFAOYSA-N trimethylolethane Chemical compound OCC(C)(CO)CO QXJQHYBHAIHNGG-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 125000001834 xanthenyl group Chemical class C1=CC=CC=2OC3=CC=CC=C3C(C12)* 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Description
本発明は、完成している部分床義歯や全部床義歯に適用され、義歯の義歯床に日常生活では全く目立つことのない文字や記号等の個人識別情報を容易に且つ明確に付与することが可能で、必要時に識別情報記録部の識別情報を蛍光により確認できる義歯を製造する方法及びこの方法を実施するための義歯に蛍光により確認できる識別情報を付与する組成物キットに関する。 The present invention is applied to completed partial dentures and complete dentures, and can easily and clearly give personal identification information such as letters and symbols that are not noticeable in daily life to the denture base of the dentures. The present invention relates to a method for producing a denture capable of confirming the identification information of the identification information recording unit by fluorescence when necessary, and a composition kit for imparting identification information capable of being confirmed by fluorescence to a denture for carrying out this method.
不慮の事故等に遭遇した人の身元を確認する際に指紋法等の一般的な個人識別法が利用できない場合、残存した歯科的証拠による個人識別が極めて有効であると言われている。歯科的証拠による個人識別は、歯牙の治療痕自体による個人識別が基本である。しかし、治療痕による個人識別は、特に全部床義歯を使用している人に対しては効果が低くなる欠点がある。また、同時に大勢の身元を確認する必要がある大規模災害時には、治療記録を必要とする治療痕を用いた識別方法は適していない。 When general identification methods such as the fingerprint method cannot be used to confirm the identity of a person who has encountered an accident, it is said that personal identification based on the remaining dental evidence is extremely effective. Personal identification based on dental evidence is based on personal identification based on the dental treatment mark itself. However, personal identification based on treatment marks has a drawback that it is less effective especially for those who use all dentures. Also, in the case of a large-scale disaster where a large number of identities need to be confirmed at the same time, an identification method using treatment marks that require treatment records is not suitable.
従来、情報が収納されている小片を有床義歯に埋設する発明や考案が多く提案されている（例えば、特許文献１及び２参照。）。特許文献１に開示された発明は、有床義歯のレジン床に埋め込み穴を刻設し、この埋め込み穴にマイクロチップ等を埋め込み、その後、マイクロチップ等の表面に即時重合型レジンを塗布して固化させたものである。また、特許文献２に開示された考案は、有床義歯のレジン床に埋め込み用くぼみを刻設し、この埋め込み用くぼみに情報記載片を埋め込んだ後、透明レジンで覆い固定し、透明レジンの表面を研磨するものである。 Conventionally, many inventions and devices for embedding a small piece in which information is stored in a floor denture have been proposed (see, for example, Patent Documents 1 and 2). In the invention disclosed in Patent Document 1, an embedding hole is engraved in a resin floor of a denture base, a microchip or the like is embedded in the embedding hole, and then an immediate polymerization type resin is applied to the surface of the microchip or the like. It is solidified. In addition, the device disclosed in Patent Document 2 has an embedding dent engraved in a resin floor of a denture, and after embedding an information description piece in the embedding dent, it is covered and fixed with a transparent resin. The surface is polished.
しかしながら特許文献１の発明は、マイクロチップ等の記録媒体を使用しているため目立ちにくく、情報量が多いという利点があるものの、マイクロチップ自体が歯科材料としての許可を受けていないものであるという問題があるばかりか、マイクロチップ等に記載された識別情報を読み取るためには専用の高価な読み取り装置が必要であるという欠点があり、また特許文献２の考案では情報記載片に記載された識別情報を読み取るためには拡大鏡やコンピュータ等の装置も別途必要とする欠点がある。 However, although the invention of Patent Document 1 has the advantage that it uses a recording medium such as a microchip and is inconspicuous and has a large amount of information, the microchip itself is not approved as a dental material. Not only is there a problem, but there is a drawback that a dedicated and expensive reading device is required to read the identification information described on the microchip or the like, and the device described in Patent Document 2 has the identification described in the information description piece. In order to read information, there is a disadvantage that a device such as a magnifying glass or a computer is required separately.
また、より簡単な方法として、文字や記号等の情報をプレートに入れ、義歯等に埋入する方法も古くから開示されている（例えば、特許文献３〜６参照。）。しかしこれらの方法は、識別情報が外部から容易に視認されてしまうため使用者が利用をためらうという問題があり、実際には広くは受け入れられていない。そこで、外部から簡単に視認されないように情報を記載したプレートを目立たない部位に埋入したり、小さく印刷したりすることも考えられたが、目立たない部位や小さく記録された情報は必要な時に読み取りにくいという問題があった。 Further, as a simpler method, a method of putting information such as letters and symbols into a plate and embedding it in a denture has been disclosed for a long time (for example, see Patent Documents 3 to 6). However, these methods have a problem that the identification information is easily visually recognized from the outside, so that the user hesitates to use it, and is not widely accepted in practice. Therefore, it was considered to embed a plate with information on it so that it would not be easily visible from the outside, or to print it in a small area. There was a problem that it was difficult to read.
そこで本発明は、完成している義歯の義歯床に個人識別情報を簡単に記録することが可能であり、日常生活では全く目立つことなく、必要時に識別情報記録部の識別情報を蛍光により確認できる義歯を製造する方法及びこの方法を実施するための義歯に蛍光により確認できる識別情報を付与する組成物キットを提供することを課題とする。 Therefore, the present invention makes it possible to easily record personal identification information on the denture base of a completed denture, and makes it possible to confirm the identification information of the identification information recording unit by fluorescence when necessary without being noticeable at all in daily life. It is an object of the present invention to provide a method for producing a denture and a composition kit for imparting identification information that can be confirmed by fluorescence to a denture for carrying out this method.
本発明者らは前記課題を解決すべく鋭意研究した結果、義歯の義歯床に光重合用歯科用材料として広く用いられている成分に対して特定量の蛍光剤を配合した特定の透過率を有する歯科用組成物と、この歯科用組成物を義歯の義歯床に固定できる特定成分の歯科用プライマーとのキットを義歯の義歯床の表面に削り取った識別情報記録部に使用すれば、前記課題を解決できることを究明して本発明を完成した。 As a result of intensive studies to solve the above problems, the present inventors have obtained a specific transmittance in which a specific amount of a fluorescent agent is blended with a component widely used as a photopolymerization dental material in a denture base of a denture. If a dental composition having a dental composition and a dental primer of a specific component capable of fixing the dental composition to a denture base of a denture is used for an identification information recording part cut off on the surface of the denture base of the denture, As a result, the present invention was completed.
即ち本発明は、
義歯の義歯床の表面に識別情報記録部を削り取り、この識別情報記録部に、
テトラヒドロフルフリル（メタ）アクリレートと２−ヒドロキシエチルメタクリレートとの重量割合が１：１〜１：３から成る単量体混合物：６０〜９０重量％と，ジ（メタ）アクリレートモノマー：１０〜４０重量％とから成る単量体混合物１００重量部に対して，光重合触媒：０.０４〜０.５重量部を添加した歯科用プライマーを塗布し、光照射して重合させ、
次に当該部位に、（メタ）アクリレートモノマー：８８〜９７重量％，平均粒子径０．０１〜１μｍのシリカ粉末：１〜１０重量％，蛍光剤：０．１〜２重量％，光重合触媒：０．２〜０．６重量％から構成され、硬化後に６０〜９８％の透過率を有する歯科用組成物を当該部位に充填し、光照射して重合硬化させた後に表面を研磨することにより、
波長が３１０〜４３０ｎｍにピークを有する光を照射すると識別情報記録部の識別情報を蛍光により確認できる義歯を製造する方法と、
（メタ）アクリレートモノマー：８８〜９７重量％，平均粒子径０．０１〜１μｍのシリカ粉末：１〜１０重量％，蛍光剤：０．１〜２重量％，光重合触媒：０．２〜０．６重量％から構成され、硬化後に６０〜９８％の透過率を有する歯科用組成物と、
テトラヒドロフルフリル（メタ）アクリレートと２−ヒドロキシエチルメタクリレートとの重量割合が１：１〜１：３から成る単量体混合物：６０〜９０重量％と，ジ（メタ）アクリレートモノマー：１０〜４０重量％とから成る単量体混合物１００重量部に対して，光重合触媒：０.０４〜０.５重量部を添加した歯科用プライマーと
から成る義歯に蛍光により確認できる識別情報を付与する組成物キット
とである。
That is, the present invention
The identification information recording part is scraped off on the surface of the denture base of the denture, and in this identification information recording part,
Monomer mixture comprising tetrahydrofurfuryl (meth) acrylate and 2-hydroxyethyl methacrylate in a weight ratio of 1: 1 to 1: 3: 60 to 90% by weight, di (meth) acrylate monomer: 10 to 40% by weight % To 100 parts by weight of the monomer mixture, a photopolymerization catalyst: a dental primer added with 0.04 to 0.5 parts by weight was applied and polymerized by irradiation with light.
Next, (meth) acrylate monomer: 88 to 97% by weight, silica powder having an average particle diameter of 0.01 to 1 μm: 1 to 10% by weight, fluorescent agent: 0.1 to 2% by weight, photopolymerization catalyst : The composition is composed of 0.2 to 0.6% by weight, and after curing, the dental composition having a transmittance of 60 to 98% is filled in the site, and light irradiation is performed to polymerize and harden the surface. By
A method of manufacturing a denture that can confirm the identification information of the identification information recording section by fluorescence when irradiated with light having a peak at a wavelength of 310 to 430 nm;
(Meth) acrylate monomer: 88 to 97% by weight, silica powder having an average particle diameter of 0.01 to 1 μm: 1 to 10% by weight, fluorescent agent: 0.1 to 2% by weight, photopolymerization catalyst: 0.2 to 0 A dental composition composed of 6% by weight and having a transmittance of 60-98% after curing;
Monomer mixture comprising tetrahydrofurfuryl (meth) acrylate and 2-hydroxyethyl methacrylate in a weight ratio of 1: 1 to 1: 3: 60 to 90% by weight, di (meth) acrylate monomer: 10 to 40% by weight A composition that gives identification information that can be confirmed by fluorescence to a denture consisting of a photopolymerization catalyst: a dental primer to which 0.04 to 0.5 part by weight is added with respect to 100 parts by weight of a monomer mixture comprising With a kit.
本発明は、簡単に義歯の義歯床の表面に情報を記録することが可能であり、日常生活では全く目立つことがなく、必要時に識別情報記録部に記録した識別情報を蛍光により容易に確認できる義歯を製造する方法及びこの方法を実施するための義歯に蛍光により確認できる識別情報を付与する組成物キットである。 The present invention can easily record information on the surface of the denture base of the denture, is not conspicuous at all in daily life, and the identification information recorded in the identification information recording unit can be easily confirmed by fluorescence when necessary. It is the composition kit which provides the identification information which can be confirmed by fluorescence to the method for manufacturing a denture, and the denture for implementing this method.
以下に本発明に係る識別情報記録部の識別情報を蛍光により確認できる義歯を製造する方法に使用する組成物キットに使用される成分について説明する。
本発明に係る組成物キットの歯科用組成物で使用する（メタ）アクリレートモノマーは、従来から歯科用材料で使用されてきた物質が使用可能である。具体的には、１つの不飽和二重結合を有する（メタ）アクリレートモノマーとして、メチルメタクリレート、エチルメタクリレート、イソプロピルメタクリレート、２−ヒドロキシエチルメタクリレート、３−ヒドロキシプロピルメタクリレート、ｎ−ブチルメタクリレート、イソブチルメタクリレート、ヒドロキシプロピルメタクリレート、テトラヒドロフルフリルメタクリレート、グリシジルメタクリレート、２−メトキシエチルメタクリレート、２−エチルヘキシルメタクリレート、ベンジルメタクリレートの各モノマー、及びこれらのアクリレートの各モノマーが例示できる。
The components used in the composition kit used in the method for producing a denture that can confirm the identification information of the identification information recording unit according to the present invention by fluorescence will be described below.
As the (meth) acrylate monomer used in the dental composition of the composition kit according to the present invention, substances conventionally used in dental materials can be used. Specifically, as a (meth) acrylate monomer having one unsaturated double bond, methyl methacrylate, ethyl methacrylate, isopropyl methacrylate, 2-hydroxyethyl methacrylate, 3-hydroxypropyl methacrylate, n-butyl methacrylate, isobutyl methacrylate, Examples include hydroxypropyl methacrylate, tetrahydrofurfuryl methacrylate, glycidyl methacrylate, 2-methoxyethyl methacrylate, 2-ethylhexyl methacrylate, benzyl methacrylate monomers, and monomers of these acrylates.
２つ以上の不飽和二重結合を有する（メタ）アクリレートモノマーとしては、２−ヒドロキシ−１，３−ジメタクリロキシプロパン、２，２−ビス（メタクリロキシフェニル）プロパン、２，２−ビス［４−（２−ヒドロキシ−３−メタクリロキシプロポキシ）フェニル］プロパン、２，２−ビス（４−メタクリロキシジエトキシフェニル）プロパン、２，２−ビス（４−メタクリロキシポリエトキシフェニル）プロパン、エチレングリコールジメタクリレート、ジエチレングリコールジメタクリレート、トリエチレングリコールジメタクリレート、ブチレングリコールジメタクリレート、ネオペンチルグリコールジメタクリレート、１，３−ブタンジオールジメタクリレート、１，４−ブタンジオールジメタクリレート、１，６−ヘキサンジオールジメタクリレート、トリメチロールプロパントリメタクリレート、トリメチロールエタントリメタクリレート、ペンタエリスリトールトリメタクリレート、トリメチロールメタントリメタクリレート、ペンタエリスリトールテトラメタクリレート、ジ−２−メタクリロキシエチル−２，２，４−トリメチルヘキサメチレンジカルバメート及びこれらのアクリレートの各モノマーが例示できる。 Examples of the (meth) acrylate monomer having two or more unsaturated double bonds include 2-hydroxy-1,3-dimethacryloxypropane, 2,2-bis (methacryloxyphenyl) propane, and 2,2-bis [ 4- (2-hydroxy-3-methacryloxypropoxy) phenyl] propane, 2,2-bis (4-methacryloxydiethoxyphenyl) propane, 2,2-bis (4-methacryloxypolyethoxyphenyl) propane, ethylene Glycol dimethacrylate, diethylene glycol dimethacrylate, triethylene glycol dimethacrylate, butylene glycol dimethacrylate, neopentyl glycol dimethacrylate, 1,3-butanediol dimethacrylate, 1,4-butanediol dimethacrylate, 1,6-hexane All dimethacrylate, trimethylolpropane trimethacrylate, trimethylolethane trimethacrylate, pentaerythritol trimethacrylate, trimethylolmethane trimethacrylate, pentaerythritol tetramethacrylate, di-2-methacryloxyethyl-2,2,4-trimethylhexamethylenedi Carbamate and monomers of these acrylates can be exemplified.
特に、分子中にウレタン結合を有する（メタ）アクリレートモノマーは重合前のペーストの操作性や透過率の点から好ましく、例えば、ジ−２−（メタ）アクリロキシエチル−２，２，４−トリメチルヘキサメチレンジカルバメート等が採用できる。分子中にウレタン結合を有する（メタ）アクリレートモノマーは、（メタ）アクリレートモノマー中に５０〜９０重量％であることが好ましい。 In particular, a (meth) acrylate monomer having a urethane bond in the molecule is preferable from the viewpoint of operability and transmittance of the paste before polymerization. For example, di-2- (meth) acryloxyethyl-2,2,4-trimethyl Hexamethylene dicarbamate can be used. The (meth) acrylate monomer having a urethane bond in the molecule is preferably 50 to 90% by weight in the (meth) acrylate monomer.
不飽和二重結合を３個含有する（メタ）アクリレートモノマーとしては、トリメチロールプロパントリ（メタ）アクリレート、トリメチロールエタントリ（メタ）アクリレート、ペンタエリスリトールトリ（メタ）アクリレート、トリメチロールメタントリ（メタ）アクリレート及びこれらのアクリレートの各モノマーが使用できる。
また、不飽和二重結合を４個以上含有する（メタ）アクリレートモノマーとしては、１，３，５−トリス［１，３−ビス（（メタ）アクリロイルオキシ）−２−プロポキシカルボニルアミノヘキサン］−１，３，５−（１Ｈ，３Ｈ，５Ｈ）トリアジン−２，４，６−トリオンのモノマー及びこのアクリレートの各モノマーが使用できる。
本発明に係る組成物キットの歯科用組成物においては、（メタ）アクリレートモノマーの不飽和二重結合の数等に関係なく、これ等は夫々１種又は２種以上を混合して用いることができる。これらの（メタ）アクリレートモノマーは、後述する特定のシリカ粉末と組み合わせた時に硬化した後の透過率が６０〜９８％（濁度計にて測定する）となるように後述するシリカ粉末との組合せを適宜選択して使用すると、義歯の義歯床に使用した際に識別情報が目立たず外部から簡単に視認されない。
Examples of the (meth) acrylate monomer containing three unsaturated double bonds include trimethylolpropane tri (meth) acrylate, trimethylolethane tri (meth) acrylate, pentaerythritol tri (meth) acrylate, trimethylolmethanetri (meth) ) Acrylate and monomers of these acrylates can be used.
The (meth) acrylate monomer containing 4 or more unsaturated double bonds is 1,3,5-tris [1,3-bis ((meth) acryloyloxy) -2-propoxycarbonylaminohexane]- Monomers of 1,3,5- (1H, 3H, 5H) triazine-2,4,6-trione and monomers of this acrylate can be used.
In the dental composition of the composition kit according to the present invention, regardless of the number of unsaturated double bonds of the (meth) acrylate monomer, these may be used alone or in combination of two or more. it can. These (meth) acrylate monomers are combined with the silica powder described later so that the transmittance after curing when combined with the specific silica powder described later is 60 to 98% (measured with a turbidimeter). When is appropriately selected and used, the identification information is not conspicuous when used on a denture base of a denture, and is not easily visually recognized from the outside.
（メタ）アクリレートモノマーは歯科用組成物中に８８〜９７重量％配合されていることが必要である。８８重量％未満又は９７重量％を超えると重合前の操作性が悪くなる。 It is necessary that the (meth) acrylate monomer is included in the dental composition in an amount of 88 to 97% by weight. When it is less than 88% by weight or more than 97% by weight, the operability before polymerization is deteriorated.
本発明に係る組成物キットの歯科用組成物においては、前述の（メタ）アクリレートモノマーと組み合わせて重合硬化後に適度な透過率（濁度計にて測定した数値が６０〜９８％）を得るために、平均粒子径が非常に小さなシリカ粉末を使用する。シリカ粉末としては、長石、石英及びヒュームドシリカの粉末を例示できる。これらシリカ粉末は、平均粒径０．０１〜１μｍのものが用いられる。０．０１μｍ未満では歯科用組成物の重合前の操作性が悪化し、平均粒径が１μｍを超えると、本発明において歯科用組成物が重合硬化したものにおいて、義歯の義歯床の表面との密着性が悪くなる。 In the dental composition of the composition kit according to the present invention, in order to obtain an appropriate transmittance (numerical value measured by a turbidimeter is 60 to 98%) after polymerization and curing in combination with the (meth) acrylate monomer described above. In addition, silica powder having a very small average particle diameter is used. Examples of the silica powder include feldspar, quartz and fumed silica powder. These silica powders having an average particle size of 0.01 to 1 μm are used. If the dental composition is less than 0.01 μm, the operability before polymerization of the dental composition is deteriorated. If the average particle diameter exceeds 1 μm, the dental composition is polymerized and cured in the present invention. Adhesion is poor.
シリカ粉末は歯科用組成物中に１〜１０重量％配合されていることが必要である。１重量％未満では歯科用組成物の重合前の操作性が悪化し、１０重量％を超えると重合後に義歯の義歯床の表面との密着性が悪くなる。 Silica powder needs to be blended in the dental composition in an amount of 1 to 10% by weight. If it is less than 1% by weight, the operability before polymerization of the dental composition is deteriorated, and if it exceeds 10% by weight, the adhesion with the surface of the denture base of the denture is deteriorated after polymerization.
前記シリカ粉末は、予めカップリング剤を用いて表面処理したものを用いることが好ましい。カップリング剤としては、オルガノファンクショナルシランカップリング剤、チタネート系カップリング剤、ジルコアルミネート系カップリング剤が使用できる。カップリング処理は、従来のカップリング処理と同様に、シリカ粉末とカップリング剤とを適宜混合すればよい。 It is preferable to use the silica powder that has been surface-treated with a coupling agent in advance. As the coupling agent, an organofunctional silane coupling agent, a titanate coupling agent, or a zircoaluminate coupling agent can be used. The coupling process may be performed by appropriately mixing silica powder and a coupling agent as in the conventional coupling process.
本発明において、歯科用組成物には必要に応じ、重合前の操作性を向上させるために有機無機複合充填材を０．１〜５重量％使用できる。 In the present invention, the organic-inorganic composite filler can be used in the dental composition as necessary in order to improve the operability before polymerization.
有機無機複合充填材の作製方法は、前記シリカ粉末を、歯科用組成物において使用するものとして説明した前記の（メタ）アクリレートモノマーから選択された１種又は２種以上のモノマーに加熱重合開始剤、例えば、ベンゾイルパーオキサイド等の過酸化物、アゾビスイソブチロニトリル等のアゾ化合物、更に必要に応じ前記したカップリング剤、着色剤、酸化安定剤、紫外線吸収剤、顔料等を適宜添加し、攪拌混合し、そして８０〜１２０℃で重合させ、ボールミル等で平均粒径１〜５０μｍ程度に粉砕することで得られたものを採用することができる。平均粒径が１μｍ未満では、比表面積が大きくなり、歯科用組成物とする際、他の成分との均一な混合に長時間を要する上に、硬くなり易く、作業性が劣ることになり好ましくない。平均粒径が５０μｍを超えると、義歯の義歯床の表面との密着性が悪くなり好ましくない。有機無機複合充填材の配合量が０．１重量％未満では有機無機複合充填材を配合する効果が得られ難く、５重量％を超えると義歯の義歯床の表面との密着性が悪くなり好ましくない。 The method for producing the organic-inorganic composite filler is a method in which the silica powder is heated to one or more monomers selected from the (meth) acrylate monomers described as used in a dental composition. For example, peroxides such as benzoyl peroxide, azo compounds such as azobisisobutyronitrile, and the above-described coupling agents, colorants, oxidation stabilizers, ultraviolet absorbers, pigments and the like are added as necessary. Then, the mixture obtained by stirring and mixing, polymerizing at 80 to 120 ° C., and pulverizing to an average particle diameter of about 1 to 50 μm by a ball mill or the like can be employed. When the average particle size is less than 1 μm, the specific surface area becomes large, and when a dental composition is used, it takes a long time to uniformly mix with other components, and it is likely to become hard and workability is inferior. Absent. When the average particle diameter exceeds 50 μm, the adhesion of the denture with the surface of the denture base is unfavorably deteriorated. If the blending amount of the organic-inorganic composite filler is less than 0.1% by weight, it is difficult to obtain the effect of blending the organic-inorganic composite filler, and if it exceeds 5% by weight, the adhesion to the denture base surface of the denture is deteriorated. Absent.
本発明において、歯科用組成物には、蛍光剤を０．１〜２重量％配合する。蛍光剤は、歯科用の光照射器で蛍光反応を示すものが使用可能であり、具体的には有機蛍光材料が使用可能である。例えば、フタル酸誘導体〔ジエチル−２，５−ジヒドロキシテレフタレート、ｏ−フタルアルデヒド〕、チオフェン誘導体〔２，５−ビス（５’−ｔ−ブチルベンゾオキサゾリル−２’）チオフェン、２，５−ビス（６，６’−ビス（ｔｅｒｔ−ブチル）−ベンゾオキサゾール−２−イル）チオフェン〕、クマリン誘導体（３−フェニル−７−（４−メチル−５−フェニル−１，２，３−トリアゾール−２−イル）クマリン、３−フェニル−７−（２Ｈ−ナフト〔１，２−ｄ〕−トリアゾール−２−イル）クマリン）、ナフタールイミド誘導体〔Ｎ−メチル−５−メトキシナフタールイミド〕、スチルベン誘導体〔４，４’−ビス（ジフェニルトリアジニル）スチルベン、４，４’−ビス（ベンゾオキサゾール−２−イル）スチルベン〕、ベンゾチアゾール誘導体、フタルイミド誘導体、フルオラントレン（fluoranthrene）誘導体、ペリレン誘導体、キサンテン誘導体、チオキサンテン誘導体、ピラノ−ベンゾピラン−２，５−ジオン誘導体、ピラノ−キノリン−２，５誘導体、ピラゾールキノキサリン誘導体、２−ピラノ−イソキノリン−３，６−ジオン誘導体、ベンズイミダゾ−ベンズ−イソキノリン−７−オン誘導体、アクリジン誘導体等が挙げられ、これらの中ではフタル誘導体及びチオフェン誘導体が好ましい。 In the present invention, 0.1 to 2% by weight of a fluorescent agent is blended in the dental composition. As the fluorescent agent, one that exhibits a fluorescent reaction with a dental light irradiator can be used, and specifically, an organic fluorescent material can be used. For example, phthalic acid derivatives [diethyl-2,5-dihydroxyterephthalate, o-phthalaldehyde], thiophene derivatives [2,5-bis (5′-t-butylbenzoxazolyl-2 ′) thiophene, 2,5- Bis (6,6′-bis (tert-butyl) -benzoxazol-2-yl) thiophene], coumarin derivative (3-phenyl-7- (4-methyl-5-phenyl-1,2,3-triazole- 2-yl) coumarin, 3-phenyl-7- (2H-naphtho [1,2-d] -triazol-2-yl) coumarin), naphthalimide derivative [N-methyl-5-methoxynaphthalimide], stilbene derivative [4,4′-bis (diphenyltriazinyl) stilbene, 4,4′-bis (benzoxazol-2-yl) stilbene], Zothiazole derivatives, phthalimide derivatives, fluoranthrene derivatives, perylene derivatives, xanthene derivatives, thioxanthene derivatives, pyrano-benzopyran-2,5-dione derivatives, pyrano-quinoline-2,5 derivatives, pyrazole quinoxaline derivatives, 2- Examples include pyrano-isoquinoline-3,6-dione derivatives, benzimidazo-benz-isoquinolin-7-one derivatives, acridine derivatives, and the like. Among these, phthalic derivatives and thiophene derivatives are preferable.
本発明において、歯科用組成物に使用する蛍光剤としては、無機蛍光材料、例えば、タングステン酸カルシウム、ヒ酸マグネシウムカルシウム、ケイ酸バリウム、リン酸カルシウム及びリン酸カルシウム亜鉛等のアルカリ土類金属の硫化物、ケイ酸塩、リン酸塩、タングステン酸塩も使用できる。 In the present invention, the fluorescent agent used in the dental composition includes inorganic fluorescent materials such as sulfides of alkaline earth metals such as calcium tungstate, magnesium arsenate, barium silicate, calcium phosphate and calcium zinc phosphate, Acid salts, phosphate salts, and tungstate salts can also be used.
蛍光剤は前記無機蛍光材料と前記有機蛍光材料との組合せも可能であり、例えば、酸化亜鉛／酸化マグネシウムとジヒドロキシテレフタル酸エステル（Hoechst Celanese社からＬｕｍｉｌｕｘ Ｂｌｕｅ ＬＸ ＃５２０５５として販売されている）の混合物が有用である。 The fluorescent agent may be a combination of the inorganic fluorescent material and the organic fluorescent material, for example, a mixture of zinc oxide / magnesium oxide and dihydroxyterephthalic acid ester (sold as Lumilux Blue LX # 52055 from Hoechst Celanese). Is useful.
蛍光剤の励起波長ピークは、３１０〜４３０ｎｍが好ましく、３５０〜４００ｎｍがより好ましい。蛍光剤の含有量は、歯科用組成物中に０．１〜２重量％配合されていることが必要であり、０．５〜１重量％が特に好ましい。従来からコンポジットレジンやセメント等の歯科用組成物には歯牙の色調に合わせるために蛍光剤を配合する場合があったが、その場合の配合量は歯牙の色調に合わせるために０．１重量％未満であった。 The excitation wavelength peak of the fluorescent agent is preferably 310 to 430 nm, and more preferably 350 to 400 nm. The content of the fluorescent agent needs to be 0.1 to 2% by weight in the dental composition, and 0.5 to 1% by weight is particularly preferable. Conventionally, a fluorescent agent is sometimes added to a dental composition such as a composite resin or cement to match the color tone of a tooth. In this case, the blending amount is 0.1% by weight to match the color tone of the tooth. Was less than.
本発明において、歯科用組成物に使用する光重合触媒としては、増感剤と還元剤の組合わせが一般に用いられる。増感剤としては、カンファーキノン、ベンジル、ジアセチル、ベンジルジメチルケタール、ベンジルジエチルケタール、ベンジルジ（２−メトキシエチル）ケタール、４，４′−ジメチルベンジル−ジメチルケタール、アントラキノン、１−クロロアントラキノン、２−クロロアントラキノン、１，２−ベンズアントラキノン、１−ヒドロキシアントラキノン、１−メチルアントラキノン、２−エチルアントラキノン、１−ブロモアントラキノン、チオキサントン、２−イソプロピルチオキサントン、２−ニトロチオキサントン、２−メチルチオキサントン、２，４−ジメチルチオキサントン、２，４−ジエチルチオキサントン、２，４−ジイソプロピルチオキサントン、２−クロロ−７−トリフルオロメチルチオキサントン、チオキサントン−１０，１０−ジオキシド、チオキサントン−１０−オキサイド、ベンゾインメチルエーテル、ベンゾインエチルエーテル、イソプロピルエーテル、ベンゾインイソブチルエーテル、ベンゾフェノン、ビス（４−ジメチルアミノフェニル）ケトン、４，４′−ビスジエチルアミノベンゾフェノン、アシルフォスフィンオキサイドの誘導体、アジド基を含む化合物等が例示でき、これらは、単独もしくは混合して使用される。 In the present invention, a combination of a sensitizer and a reducing agent is generally used as the photopolymerization catalyst used in the dental composition. Sensitizers include camphorquinone, benzyl, diacetyl, benzyldimethyl ketal, benzyl diethyl ketal, benzyl di (2-methoxyethyl) ketal, 4,4'-dimethylbenzyl-dimethyl ketal, anthraquinone, 1-chloroanthraquinone, 2- Chloroanthraquinone, 1,2-benzanthraquinone, 1-hydroxyanthraquinone, 1-methylanthraquinone, 2-ethylanthraquinone, 1-bromoanthraquinone, thioxanthone, 2-isopropylthioxanthone, 2-nitrothioxanthone, 2-methylthioxanthone, 2,4 -Dimethylthioxanthone, 2,4-diethylthioxanthone, 2,4-diisopropylthioxanthone, 2-chloro-7-trifluoromethylthioxanthone, thioxanthate -10,10-dioxide, thioxanthone-10-oxide, benzoin methyl ether, benzoin ethyl ether, isopropyl ether, benzoin isobutyl ether, benzophenone, bis (4-dimethylaminophenyl) ketone, 4,4'-bisdiethylaminobenzophenone, acyl A phosphine oxide derivative, a compound containing an azide group, and the like can be exemplified, and these are used alone or in combination.
還元剤としては、第３級アミンが一般に使用される。第３級アミンとしては、Ｎ，Ｎ−ジメチル−ｐ−トルイジン、Ｎ，Ｎ−ジメチルアミノエチルメタクリレート、トリエタノールアミン、４−ジメチルアミノ安息香酸メチル、４−ジメチルアミノ安息香酸エチル、４−ジメチルアミノ安息香酸イソアミルが例示できる。また、他の還元剤として、ベンゾイルパーオキサイド、スルフィン酸ソーダ誘導体、有機金属化合物等が挙げられる。
光重合型開始剤は、紫外線又は可視光線等の活性光線を照射することにより重合反応が達せられる。光源としては超高圧、高圧、中圧及び低圧の各種水銀灯、ケミカルランプ、カーボンアーク灯、メタルハライドランプ、蛍光ランプ、タングステンランプ、キセノンランプ、アルゴンイオンレーザー、発光ダイオードを使用した歯科用光照射装置等が使用される。
As the reducing agent, a tertiary amine is generally used. Tertiary amines include N, N-dimethyl-p-toluidine, N, N-dimethylaminoethyl methacrylate, triethanolamine, methyl 4-dimethylaminobenzoate, ethyl 4-dimethylaminobenzoate, 4-dimethylamino. An example is isoamyl benzoate. Other reducing agents include benzoyl peroxide, sodium sulfinate derivatives, organometallic compounds, and the like.
The polymerization reaction can be achieved by irradiating the photopolymerization initiator with an actinic ray such as ultraviolet ray or visible ray. Various light sources such as ultra high pressure, high pressure, medium pressure and low pressure mercury lamp, chemical lamp, carbon arc lamp, metal halide lamp, fluorescent lamp, tungsten lamp, xenon lamp, argon ion laser, dental light irradiation device using light emitting diode, etc. Is used.
光重合触媒は歯科用組成物中に０．２〜０．６重量％配合される。０．２重量％未満では硬化が不十分となり、０．６重量％を超えると保存性が低下する。 The photopolymerization catalyst is blended in the dental composition in an amount of 0.2 to 0.6% by weight. If it is less than 0.2% by weight, curing is insufficient, and if it exceeds 0.6% by weight, storage stability is lowered.
本発明において、歯科用組成物には必要に応じ着色剤を０．０１〜２重量％含ませることがある。着色剤の配合は、義歯の義歯床に合わせてピンクや赤色に着色すると効果的である。ただし、光重合に影響を与えず、通常の使用で外部から容易に識別情報が認識されないように僅かな着色に抑える必要がある。 In the present invention, the dental composition may contain 0.01 to 2% by weight of a colorant as necessary. The colorant is effectively blended in pink or red according to the denture base of the denture. However, it is necessary to suppress slight coloring so that the identification information is not easily recognized from the outside under normal use without affecting photopolymerization.
更に、重合禁止剤、酸化安定剤、紫外線吸収剤、顔料（例えば、二酸化チタン）、染料を歯科用組成物に添加することができる。 Furthermore, a polymerization inhibitor, an oxidation stabilizer, an ultraviolet absorber, a pigment (for example, titanium dioxide), and a dye can be added to the dental composition.
前述の歯科用組成物は、テトラヒドロフルフリル（メタ）アクリレートと２−ヒドロキシエチルメタクリレートとの重量割合が１：１〜１：３から成る単量体混合物：６０〜９０重量％と，ジ（メタ）アクリレートモノマー：１０〜４０重量％とから成る単量体混合物１００重量部に対して，光重合触媒：０.０４〜０.５重量部を添加した歯科用プライマーと組み合わせて歯科用組成物キットとすることで記録後の位置が全く目立たなくさせることができる。 The above-mentioned dental composition includes a monomer mixture comprising tetrahydrofurfuryl (meth) acrylate and 2-hydroxyethyl methacrylate in a weight ratio of 1: 1 to 1: 3: 60 to 90% by weight, and di (meta) ) Dental composition kit in combination with a dental primer to which a photopolymerization catalyst: 0.04 to 0.5 parts by weight is added to 100 parts by weight of a monomer mixture comprising acrylate monomers: 10 to 40% by weight By doing so, the position after recording can be made completely inconspicuous.
２−ヒドロキシエチルメタクリレートは、歯科用プライマー中に添加されるテトラヒドロフルフリル（メタ）アクリレートとジ（メタ）アクリレートモノマーとを溶融させる溶剤としての役目を成すと共に自らも重合硬化して基材の役目を成すもので、テトラヒドロフルフリル（メタ）アクリレートに対してその重量割合が１〜３倍になるように添加される。 2-Hydroxyethyl methacrylate serves as a solvent for melting the tetrahydrofurfuryl (meth) acrylate and di (meth) acrylate monomer added to the dental primer and also serves as a base material by polymerizing and curing itself. It is added so that the weight ratio is 1 to 3 times with respect to tetrahydrofurfuryl (meth) acrylate.
歯科用プライマーに使用されるテトラヒドロフルフリル（メタ）クリレートは、義歯の義歯床の表面に塗布し易くする効果と切削によって荒れた面を整える効果とを有する物質であり、前述した歯科用組成物に使用されている１つの不飽和二重結合を有する（メタ）アクリレートモノマーの中の１つである。テトラヒドロフルフリル（メタ）クリレートと２−ヒドロキシエチルメタクリレートとの重量割合が１：１〜１：３から成る単量体混合物の配合量は６０〜９０重量％であり、６０重量％未満では効果が得られず、９０重量％を超えると後に適用する歯科用組成物の接着性が低下する。 Tetrahydrofurfuryl (meth) acrylate used for a dental primer is a substance having an effect of facilitating application to the surface of a denture base of a denture and an effect of adjusting a rough surface by cutting. Is one of (meth) acrylate monomers having one unsaturated double bond. The blending amount of the monomer mixture in which the weight ratio of tetrahydrofurfuryl (meth) acrylate and 2-hydroxyethyl methacrylate is 1: 1 to 1: 3 is 60 to 90% by weight. When it exceeds 90% by weight, the adhesiveness of the dental composition to be applied later is lowered.
ジ（メタ）アクリレートモノマーは、歯科用プライマーの強度を得るため及び接着性を高めるために歯科用プライマー中に１０〜４０重量％配合される。１０重量％未満では十分な効果が得られず、４０重量％を超えるとかえって強度が低下する。 The di (meth) acrylate monomer is blended in an amount of 10 to 40% by weight in the dental primer in order to obtain the strength of the dental primer and to improve the adhesion. If it is less than 10% by weight, a sufficient effect cannot be obtained, and if it exceeds 40% by weight, the strength is rather lowered.
光重合触媒は、テトラヒドロフルフリル（メタ）アクリレートと２−ヒドロキシエチルメタクリレートとの重量割合が１：１〜１：３から成る単量体混合物：６０〜９０重量％と，ジ（メタ）アクリレートモノマー：１０〜４０重量％とから成る単量体混合物１００重量部に対して，歯科用プライマー中に０．０４〜０．５重量％配合される。この光重合触媒は前述の歯科用組成物と同じ物質が利用できる。歯科用プライマーは光重合させることで接着剤としての効果を発揮する。光重合触媒が０．０４重量％未満では効果が不十分となり、０．５重量％を超えると歯科用組成物との接着性が低下する。 The photopolymerization catalyst comprises a monomer mixture consisting of tetrahydrofurfuryl (meth) acrylate and 2-hydroxyethyl methacrylate in a weight ratio of 1: 1 to 1: 3: 60 to 90% by weight, and a di (meth) acrylate monomer In the dental primer, 0.04 to 0.5% by weight is blended with 100 parts by weight of the monomer mixture consisting of 10 to 40% by weight. As this photopolymerization catalyst, the same material as the above-mentioned dental composition can be used. The dental primer exhibits an effect as an adhesive by being photopolymerized. If the photopolymerization catalyst is less than 0.04% by weight, the effect is insufficient, and if it exceeds 0.5% by weight, the adhesiveness with the dental composition is lowered.
本発明に係る組成物キットの使用方法は、完成した義歯の義歯床の表面を例えば文字や記号を構成するように削り取ることによって識別情報記録部を形成する。義歯の義歯床の表面に識別情報記録部を形成する手段は切削バーや刻刀類等である。識別情報記録部の識別情報は個人名，住所，所属団体，連絡先等が挙げられるが、特に限定されない。識別情報は比較的大きな、例えば１文字が２ｍｍ四方以上の大きさで記録されていると、後に識別情報を確認する際に特別な拡大装置等を必要としないため好ましい。 In the method of using the composition kit according to the present invention, the identification information recording part is formed by scraping the surface of the denture base of the completed denture so as to form, for example, letters and symbols. Means for forming the identification information recording portion on the surface of the denture base of the denture is a cutting bar, a cutting tool or the like. The identification information of the identification information recording unit includes, but is not limited to, an individual name, an address, an affiliated organization, and a contact address. It is preferable that the identification information is relatively large, for example, if one character is recorded in a size of 2 mm square or more, since a special enlarging device or the like is not required when confirming the identification information later.
削り取られた識別情報記録部に歯科用プライマーを筆等を用いて塗布する。塗布後に光照射器を用いて光照射し重合させる。
次に、歯科用プライマーが塗布・重合された部位に歯科用組成物を充填する。充填操作は、例えばシリンジ等に充填された歯科用組成物をそのシリンジのノズルから押し出して義歯の義歯床の表面の切削された部位に充填すればよい。
次に、充填された歯科用組成物に歯科用プライマーと同様に光照射を行い重合硬化させる。そして硬化後の表面を研磨することで識別情報を含んだ義歯が作製される。
A dental primer is applied to the shaved identification information recording portion using a brush or the like. After the coating, polymerization is performed by light irradiation using a light irradiator.
Next, the dental composition is filled in the site where the dental primer is applied and polymerized. The filling operation may be performed by, for example, extruding a dental composition filled in a syringe or the like from a nozzle of the syringe and filling the cut portion on the surface of the denture base of the denture.
Next, the filled dental composition is irradiated with light in the same manner as the dental primer to be polymerized and cured. And the denture containing identification information is produced by grind | polishing the surface after hardening.
作製された義歯の識別情報の記録部位は、ほぼ透明又は義歯の義歯床と同色であるために、そのまま口腔内で使用される。従って、その時点では外部から簡単に視認されることはなく、また使用者自身も気にかけることはない。
しかし、識別情報を確認する状況、即ち、不運にも使用者が災害に遭遇し、義歯が残った場合には、義歯の義歯床の表面に対して波長３１０〜４３０ｎｍにピークを有する光を照射することによって識別情報を確認することができるのである。
Since the recording site of the identification information of the prepared denture is almost transparent or the same color as the denture base of the denture, it is used as it is in the oral cavity. Therefore, it is not easily visible from the outside at that time, and the user himself is not concerned.
However, in the situation where the identification information is confirmed, that is, when the user unfortunately encounters a disaster and the denture remains, the surface of the denture base of the denture is irradiated with light having a peak at a wavelength of 310 to 430 nm. By doing so, the identification information can be confirmed.
表に記載した配合の歯科用組成物と歯科用プライマーとから成る組成物キットを作製し、この組成物キットを完成した義歯の義歯床の表面を削り取った識別情報記録部に適用した。
表中の略語はそれぞれ以下の通りである。
A composition kit composed of a dental composition and a dental primer having the composition shown in the table was prepared, and this composition kit was applied to an identification information recording portion obtained by scraping the surface of the denture base of the completed denture.
Abbreviations in the table are as follows.
UDMA：ジ−２−メタクリロキシエチル−２，２，４−トリメチルヘキサメチレンジカルバメート
UTMA：１，３，５−トリス［１，３−ビス（（メタ）アクリロイルオキシ）−２−プロポキシカルボニルアミノヘキサン］−１，３，５−（１Ｈ，３Ｈ，５Ｈ）トリアジン−２，４，６−トリオン
NPG：ネオペンチルグリコールジメタクリレート
3G：トリエチレングリコールジメタアクリレート
TMPT：トリメチロールプロパントリメタクリレート
UDMA: Di-2-methacryloxyethyl-2,2,4-trimethylhexamethylene dicarbamate
UTMA: 1,3,5-tris [1,3-bis ((meth) acryloyloxy) -2-propoxycarbonylaminohexane] -1,3,5- (1H, 3H, 5H) triazine-2,4 6-trione
NPG: Neopentyl glycol dimethacrylate
3G: Triethylene glycol dimethacrylate
TMPT: Trimethylolpropane trimethacrylate
R972：アエロジルＲ９７２（商品名 日本アエロジル社製疎水性シリカ、平均粒径０．０１６μｍ） R972: Aerosil R972 (trade name: Hydrophobic silica manufactured by Nippon Aerosil Co., Ltd., average particle size: 0.016 μm)
LZ：ジエチル−２，５−ジヒドロキシテレフタレート
TF：２，５−ビス（５’−ｔ−ブチルベンゾオキサゾリル−２’）チオフェン
LZ: Diethyl-2,5-dihydroxyterephthalate
TF: 2,5-bis (5′-t-butylbenzoxazolyl-2 ′) thiophene
CQ：カンファーキノン
DME：４−ジメチルアミノ安息香酸メチル
DMI：４−ジメチルアミノ安息香酸イソアミル
CQ: Camphorquinone
DME: methyl 4-dimethylaminobenzoate
DMI: Isoamyl 4-dimethylaminobenzoate
THFMA：テトラヒドロフルフリルメタクリレート
HEMA：２−ヒドロキシエチルメタクリレート
THFMA: Tetrahydrofurfuryl methacrylate
HEMA: 2-hydroxyethyl methacrylate
BGMA：１，３−ブタンジオールジメタクリレート BGMA: 1,3-butanediol dimethacrylate
表に記載した配合の歯科用組成物と歯科用プライマーとの組合わせについて、以下の試験を行った。
＜透過率＞
実施例及び比較例に記載された歯科用組成物を直径２０ｍｍ×高さ０．５ｍｍの金型に充填し、歯科用光照射装置（商品名 ラボライトＬＶIII，ジーシー社製）にて片面３分間ずつ光照射して、重合を行い、試験体を作製した。その後、濁度計（商品名 濁度計ＷＡ６０００，日本電色工業製）を使用して透過率の測定を行った。
The following tests were performed on combinations of dental compositions and dental primers having the formulations shown in the table.
<Transmissivity>
The dental compositions described in the examples and comparative examples were filled into a mold having a diameter of 20 mm and a height of 0.5 mm, and each side was filled with a dental light irradiation device (trade name: Labolite LVIII, manufactured by GC Corporation) for 3 minutes. Polymerization was performed by irradiation with light to prepare a test specimen. Thereafter, the transmittance was measured using a turbidimeter (trade name Turbidimeter WA6000, manufactured by Nippon Denshoku Industries Co., Ltd.).
＜操作性＞
歯科用補綴物材料として、説明書の指示に従い重合を行い、２０ｍｍ×２０ｍｍ×２ｍｍの大きさに切断された義歯床用レジン（商品名 アクロン，ジーシー社製）を使用した。表面を削り、その部位に実施例及び比較例に記載された歯科用プライマーを筆を用いて塗布した塗布後に、光照射器を用いて光照射し重合させ、次いで歯科用組成物の充填を行い、光照射器を用いて光照射し重合させ、官能評価にて充填性がよければ○、悪ければ×と評価した。
<Operability>
As a dental prosthesis material, a denture base resin (trade name: Akron, GC Corporation) which was polymerized according to the instructions in the manual and cut to a size of 20 mm × 20 mm × 2 mm was used. The surface is shaved, and after applying the dental primer described in Examples and Comparative Examples using a brush to the site, light irradiation is performed using a light irradiator to polymerize, and then the dental composition is filled. Then, light irradiation was performed using a light irradiator to polymerize, and in the sensory evaluation, if the filling property was good, it was evaluated as ○, and if it was bad, it was evaluated as ×.
＜義歯の義歯床の表面の記録場所の識別試験＞
義歯の義歯床として、説明書の指示に従い重合を行い、５０ｍｍ×５０ｍｍ×４ｍｍの大きさに切断された義歯床用レジン（商品名 アクロン，ジーシー社製）を使用した。表面を削り、その部位に実施例及び比較例に記載された歯科用プライマー及び歯科用組成物を適用し、それぞれに対して前記ラボライトＬＶIIIにて各３分間重合硬化後、重合硬化表面を研磨して識別情報を含んだレジン製の歯科用補綴物を作製した。識別状況を目視にて確認し、重合硬化後の充填物が識別できなければ○、目視にて識別が容易にできれば×と評価した。
<Identification test of recording location on the surface of denture base of denture>
As a denture base for dentures, a resin for denture base (trade name: Akron, manufactured by GC Corporation) which was polymerized according to the instructions in the manual and cut to a size of 50 mm × 50 mm × 4 mm was used. The surface is shaved, and the dental primer and the dental composition described in the examples and comparative examples are applied to the portions. After polymerizing and curing with the Labolite LVIII for 3 minutes each, the polymerized surface is polished. Thus, a dental prosthesis made of resin containing identification information was prepared. The identification status was confirmed visually, and when the filler after polymerization curing could not be identified, it was evaluated as “good”, and when it could be easily identified visually, it was evaluated as “poor”.
＜記録された情報の確認試験＞
前記識別試験で作製された歯科用補綴物の記録場所に対して、励起波長が３１０〜４３０ｎｍにピークを有する光を照射した。記録された識別情報の確認を目視にて行い、識別情報が明確に判別できれば○、確認が難しければ×として評価した。
<Confirmation test of recorded information>
The recording location of the dental prosthesis produced in the discrimination test was irradiated with light having an excitation wavelength having a peak at 310 to 430 nm. The recorded identification information was confirmed by visual inspection, and the identification information was evaluated as “good” when the identification information could be clearly distinguished, and evaluated as “poor” when confirmation was difficult.
表より明らかなように、本発明に係る義歯に蛍光により確認できる識別情報を付与する組成物キットを使用した実施例１〜６の義歯は、操作性、識別試験及び確認試験のいずれにおいても満足すべきものであったが、歯科用組成物中にシリカ粉末が多く且つ歯科用プライマー中に２−ヒドロキシエチルメタクリレートを含まない比較例１では操作性及び識別試験の結果が悪く、歯科用組成物中にシリカ粉末が少なすぎ且つ歯科用プライマー中に２−ヒドロキシエチルメタクリレートを含まない比較例２では操作性が悪く、歯科用組成物中に蛍光剤が配合されておらず且つ歯科用プライマー中に２−ヒドロキシエチルメタクリレートを含まないばかりかジ（メタ）アタクリレートの配合量が多すぎる比較例３では確認試験の結果が悪く、歯科用組成物中の蛍光剤の配合量が少なく且つ歯科用プライマー中に２−ヒドロキシエチルメタクリレートの配合量が少なくしかもジ（メタ）アタクリレートの配合量が多すぎる比較例４では確認試験の結果が悪かった。 As is clear from the table, the dentures of Examples 1 to 6 using the composition kit that imparts identification information that can be confirmed by fluorescence to the denture according to the present invention are satisfactory in any of operability, identification test, and confirmation test. In Comparative Example 1, in which the dental composition contained a large amount of silica powder and the dental primer did not contain 2-hydroxyethyl methacrylate, the results of operability and identification tests were poor, and the dental composition contained In Comparative Example 2 in which the silica powder is too little and 2-hydroxyethyl methacrylate is not included in the dental primer, the operability is poor, the fluorescent composition is not blended in the dental composition, and 2 in the dental primer. -Comparative Example 3 not only containing hydroxyethyl methacrylate but also containing too much di (meth) atacrylate had poor confirmation test results, In Comparative Example 4, the amount of the fluorescent agent in the composition is small, the amount of 2-hydroxyethyl methacrylate in the dental primer is small, and the amount of di (meth) ataacrylate is too large. .
Claims (2)
テトラヒドロフルフリル（メタ）アクリレートと２−ヒドロキシエチルメタクリレートとの重量割合が１：１〜１：３から成る単量体混合物：６０〜９０重量％と，ジ（メタ）アクリレートモノマー：１０〜４０重量％とから成る単量体１００重量部に対して，光重合触媒：０.０４〜０.５重量部を添加した歯科用プライマーを塗布し、光照射して重合させ、
次に当該部位に、（メタ）アクリレートモノマー：８８〜９７重量％，平均粒子径０．０１〜１μｍのシリカ粉末：１〜１０重量％，蛍光剤：０．１〜２重量％，光重合触媒：０．２〜０．６重量％から構成され、硬化後に６０〜９８％の透過率を有する歯科用組成物を当該部位に充填し、光照射して重合硬化させた後に表面を研磨することにより、
波長が３１０〜４３０ｎｍにピークを有する光を照射すると識別情報記録部の識別情報を蛍光により確認できる義歯を製造する方法。 The identification information recording part is scraped off on the surface of the denture base of the denture, and in this identification information recording part,
Monomer mixture comprising tetrahydrofurfuryl (meth) acrylate and 2-hydroxyethyl methacrylate in a weight ratio of 1: 1 to 1: 3: 60 to 90% by weight, di (meth) acrylate monomer: 10 to 40% by weight % To 100 parts by weight of a monomer and a dental primer to which 0.04 to 0.5 parts by weight of a photopolymerization catalyst is added is applied and polymerized by irradiation with light.
Next, (meth) acrylate monomer: 88 to 97% by weight, silica powder having an average particle diameter of 0.01 to 1 μm: 1 to 10% by weight, fluorescent agent: 0.1 to 2% by weight, photopolymerization catalyst : The composition is composed of 0.2 to 0.6% by weight, and after curing, the dental composition having a transmittance of 60 to 98% is filled in the site, and light irradiation is performed to polymerize and harden the surface. By
A method for producing a denture that can confirm the identification information of the identification information recording section by fluorescence when irradiated with light having a peak at a wavelength of 310 to 430 nm.
テトラヒドロフルフリル（メタ）アクリレートと２−ヒドロキシエチルメタクリレートとの重量割合が１：１〜１：３から成る単量体混合物：６０〜９０重量％と，ジ（メタ）アクリレートモノマー：１０〜４０重量％とから成る単量体１００重量部に対して，光重合触媒：０.０４〜０.５重量部を添加した歯科用プライマーと
から成る義歯に蛍光により確認できる識別情報を付与する組成物キット。 (Meth) acrylate monomer: 88 to 97% by weight, silica powder having an average particle diameter of 0.01 to 1 μm: 1 to 10% by weight, fluorescent agent: 0.1 to 2% by weight, photopolymerization catalyst: 0.2 to 0 A dental composition composed of 6% by weight and having a transmittance of 60-98% after curing;
Monomer mixture comprising tetrahydrofurfuryl (meth) acrylate and 2-hydroxyethyl methacrylate in a weight ratio of 1: 1 to 1: 3: 60 to 90% by weight, di (meth) acrylate monomer: 10 to 40% by weight A composition kit for providing identification information that can be confirmed by fluorescence to a denture consisting of a photopolymerization catalyst: a dental primer with 0.04 to 0.5 part by weight added to 100 parts by weight of a monomer comprising .
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| JP2012119384A Active JP5894861B2 (en) | 2012-05-25 | 2012-05-25 | Method for producing denture capable of confirming identification information of identification information recording section by fluorescence and composition kit for providing identification information capable of being confirmed by fluorescence to denture |
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| JP6301210B2 (en) * | 2014-06-25 | 2018-03-28 | 株式会社ＤｅｎｔａｌＢａｎｋ | Method for producing base denture and base denture |
| JP6025934B1 (en) * | 2015-08-05 | 2016-11-16 | 株式会社松風 | Oral wear discrimination device |
| EP3641720B1 (en) * | 2017-06-20 | 2022-06-29 | 3M Innovative Properties Company | Radiation curable composition for additive manufacturing processes |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63212346A (en) * | 1987-02-27 | 1988-09-05 | 村田 富男 | Method for inserting initial for denture |
| JPH01259855A (en) * | 1988-04-08 | 1989-10-17 | Munemoto Honda | Identity recognizing means |
| JPH02152448A (en) * | 1988-12-01 | 1990-06-12 | Tokyo Rika Univ | Dental prosthesis |
| JP3015052U (en) * | 1995-02-22 | 1995-08-29 | 明俊 町田 | Tooth accessories |
| JPH10109916A (en) * | 1996-10-04 | 1998-04-28 | G C:Kk | Adhesive for dental resin material |
| JP3026079B2 (en) * | 1998-03-14 | 2000-03-27 | 尚司 岸上 | Method for producing denture with identifiable owner and grooving tool used therefor |
| US7114951B2 (en) * | 1999-11-10 | 2006-10-03 | Dentsply International Inc. | Method and shaped product-formed from low tack and fluorescing polymerizable dental material |
| JP3080133U (en) * | 2001-03-08 | 2001-09-14 | 有限会社光清歯研 | Denture with information function |
| JP2003126119A (en) * | 2001-08-13 | 2003-05-07 | Rizonet Systems:Kk | Denture and representation sheet therefor |
| JP3665761B2 (en) * | 2001-12-18 | 2005-06-29 | 株式会社サポート | Denture with denture, name assignment method and type for it |
| JP2006034600A (en) * | 2004-07-27 | 2006-02-09 | Univ Nihon | Denture with identification information and method for manufacturing the same |
| JP2010037254A (en) * | 2008-08-04 | 2010-02-18 | Gc Corp | Photopolymerizable dental surface covering material |
| US9205029B2 (en) * | 2008-10-15 | 2015-12-08 | 3M Innovative Properties Company | Dental compositions with fluorescent pigment |
| US20110081625A1 (en) * | 2009-10-06 | 2011-04-07 | China Medical University | Denture |
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