JP2007244739A - Surface strengthening and smoothing coat formation denture, denture surface strengthening and smoothing coating agent, and method for strengthening and smoothing surface of denture - Google Patents
Surface strengthening and smoothing coat formation denture, denture surface strengthening and smoothing coating agent, and method for strengthening and smoothing surface of denture Download PDFInfo
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- JP2007244739A JP2007244739A JP2006074638A JP2006074638A JP2007244739A JP 2007244739 A JP2007244739 A JP 2007244739A JP 2006074638 A JP2006074638 A JP 2006074638A JP 2006074638 A JP2006074638 A JP 2006074638A JP 2007244739 A JP2007244739 A JP 2007244739A
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- GXVDVJQTXFTVMP-UHFFFAOYSA-N 4-methoxypentan-2-ol Chemical compound COC(C)CC(C)O GXVDVJQTXFTVMP-UHFFFAOYSA-N 0.000 description 1
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- WHGNXNCOTZPEEK-UHFFFAOYSA-N dimethoxy-methyl-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](C)(OC)CCCOCC1CO1 WHGNXNCOTZPEEK-UHFFFAOYSA-N 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
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- PHQOGHDTIVQXHL-UHFFFAOYSA-N n'-(3-trimethoxysilylpropyl)ethane-1,2-diamine Chemical compound CO[Si](OC)(OC)CCCNCCN PHQOGHDTIVQXHL-UHFFFAOYSA-N 0.000 description 1
- MQWFLKHKWJMCEN-UHFFFAOYSA-N n'-[3-[dimethoxy(methyl)silyl]propyl]ethane-1,2-diamine Chemical compound CO[Si](C)(OC)CCCNCCN MQWFLKHKWJMCEN-UHFFFAOYSA-N 0.000 description 1
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- BPSIOYPQMFLKFR-UHFFFAOYSA-N trimethoxy-[3-(oxiran-2-ylmethoxy)propyl]silane Chemical compound CO[Si](OC)(OC)CCCOCC1CO1 BPSIOYPQMFLKFR-UHFFFAOYSA-N 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Dental Preparations (AREA)
Abstract
Description
本発明は、表面強化・滑沢化被膜形成義歯、義歯の表面強化・滑沢化コーティング剤および義歯の表面強化・滑沢化法に関する。 The present invention relates to a surface-enhanced / lubricated film-forming denture, a denture surface-enhancing / lubricating coating agent, and a denture surface-enhancing / lubricating method.
歯科領域で用いられる義歯（入れ歯）は歯が欠損した部分を補い、咀嚼は無論のこと、さらに嚥下、発音を助け食生活を豊にするとともに、健康維持、増進に不可欠であり、超高齢化社会に向けその有用性は一層増している。
現在使用されている歯科材料は主にアクリル系樹脂が使用されているが、口腔粘膜に適応し調整しやすい長所を有する反面、義歯表面に肉眼的に可視できない程度の無数の小孔（porus）を生ずるため、この小孔に“水分を吸収する”重大な欠点を有している。
Dentures (dentures) used in the dental field make up for missing teeth, and chewing is, of course, helping swallowing and pronunciation, enhancing dietary habits, and maintaining health and promotion. Its usefulness for society is increasing.
Acrylic resin is mainly used for the dental material currently used, but it has the advantage that it is easy to adjust and adapt to the oral mucosa, but countless small pores (porus) that cannot be visually seen on the denture surface This hole has a serious drawback of “absorbing moisture”.
即ち、小孔に食物残渣由来の水分や唾液が入り込み、そのまま保持されるため細菌巣となり、常時細菌が繁殖している。そして、この繁殖した細菌が感染源となり、口臭の原因にもなっている。また現在、日本の老人病院での死亡率の第一位は肺炎によるものであるが、その殆どは歯垢や口腔内細菌で満たされた唾液の肺への誤嚥（誤嚥性肺炎）であることが最近特に内外で報告、証明されている。 That is, moisture and saliva derived from food residues enter the small holes and are held as they are, so that they become bacterial nests, and the bacteria are constantly breeding. And this propagated bacteria become a source of infection and cause bad breath. Currently, pneumonia is the most common cause of death in geriatric hospitals in Japan, but most of it is aspiration of saliva filled with plaque and oral bacteria into the lungs (aspiration pneumonia). Something has been reported and proven recently, especially at home and abroad.
そこで、これらアクリル系義歯等の既存の義歯の欠点を補うため、発泡剤による清掃やフッ素樹脂加工等により小孔（porus）部を上からコーティングする方法など種々試みられてきたが、素材の性質から小孔（porus）部に入り込まないために、被膜が剥がれたり、亀裂が入ったりする欠点がある。 Therefore, various attempts have been made to compensate for the drawbacks of existing dentures such as acrylic dentures, such as cleaning with a foaming agent and coating the pores from above by fluororesin processing. In other words, the film does not penetrate into the porus part, so that the film is peeled off or cracked.
一方、シリコーン油を含浸した保持材を用いることで、既に付着していた汚れを除去しながら、不要な場所に飛散させることなく、汚染のおそれもなくコーティングでき、上記汚れ付着防止効果及び易洗浄効果を付与できる義歯ケア材が提案されている（特許文献１参照）。即ち、この義歯ケア材は、シリコーン油を含浸した義歯ケア材で義歯を擦るときの機械作用により汚れを除去することができ、シリコーン成分が義歯に付着することで義歯の表面張力が低下し、親水性及び親油性が低下することにより、汚れの付着阻止効果が発現し、またシリコーン油のコーティングにより表面の潤滑性が向上して、汚れが水洗で簡単に落ちるというものである。 On the other hand, by using a holding material impregnated with silicone oil, it is possible to coat without removing the contamination, without causing the contamination to occur while removing the dirt that has already adhered. A denture care material capable of imparting an effect has been proposed (see Patent Document 1). That is, this denture care material can remove dirt by a mechanical action when rubbing the denture with a denture care material impregnated with silicone oil, and the surface tension of the denture is lowered by the silicone component adhering to the denture, By reducing the hydrophilicity and lipophilicity, the effect of preventing the adhesion of dirt is manifested, and the lubricity of the surface is improved by the coating of silicone oil, and the dirt is easily removed by washing with water.
しかしながら、上記義歯ケア材の場合、義歯の表面にシリコーン油を塗布するだけで、シリコーン油の膜が義歯表面に形成されて一時的に汚れ等の付着を防止することはできても咀嚼時等に容易に膜が剥がれてしまい、頻繁に義歯ケア材によるケアをしなければならず面倒である。 However, in the case of the above denture care material, the silicone oil film can be formed on the surface of the denture only by applying silicone oil to the surface of the denture. The film peels off easily, and it is troublesome to frequently care for the denture care material.
本発明は、上記事情に鑑みて、汚れや細菌の繁殖を長期間防止することができる表面強化・滑沢化被膜形成義歯、この表面強化・滑沢化被膜形成義歯を作製するための義歯の表面強化・滑沢化コーティング剤および義歯の表面強化・滑沢化法を提供することを目的としている。 In view of the above circumstances, the present invention provides a surface-enhanced / smoothed film-forming denture that can prevent the growth of dirt and bacteria for a long period of time, and a denture for producing this surface-enhanced / smoothed film-forming denture The object is to provide a surface-enhancing / lubricating coating agent and a denture surface-enhancing / lubricating method.
上記目的を達成するために、本発明にかかる表面強化・滑沢化被膜形成義歯は、義歯の表面が、ストレートシリコーン樹脂強化・滑沢化被膜によって被覆されていることを特徴としている。 In order to achieve the above object, the surface-enhanced / lubricated film-forming denture according to the present invention is characterized in that the surface of the denture is covered with a straight silicone resin-reinforced / lubricated film.
本発明において、義歯とは、全部床義歯だけでなく、部分床義歯も含み、義歯床用レジンで作製された義歯床部分および義歯に付随する諸装置（たとえば、レジン歯、セラミック歯、金属鉤、金属床部分など）を含む。
また、義歯作製の際のみならず使用中の義歯の表面処理も可能であり、これにより小孔部の細菌巣の閉鎖と表面滑沢性を増すことができる。
In the present invention, the denture includes not only a complete denture but also a partial denture, and a denture base made of a denture base resin and various devices (for example, resin teeth, ceramic teeth, metal cages). , Metal floor part, etc.).
Further, surface treatment of dentures in use as well as denture preparation is possible, and this can increase bacterial nest closure and surface smoothness of the small holes.
ストレートシリコーン樹脂強化・滑沢化被膜を形成する方法としては、特に限定されないが、本発明にかかる表面強化・滑沢化コーティング剤（以下、「コーティング剤」とのみ記す）、即ち、、R2Si(OH)2(式中Rはメチル基またはフェニル基)であらわされるモノマー、および、RSi(OH)3(式中Rはメチル基またはフェニル基)であらわされるモノマーを反応させて得られる主鎖がSi-O-Siである分岐度の高い3次元オリゴマーで未反応の水酸基を残しているストレートシリコーン樹脂と、XnSi(OCH3)4-n（Ｘはアミノ基、エポキシ基、メタクリロキシ基、メチル基、エチル基のいずれか）であらわされるシランカップリング剤とを含むものを義歯の表面に塗布したのち、この義歯強化コーティング剤を乾燥させて養生硬化させる方法が挙げられる。 The method for forming the straight silicone resin reinforced / smoothed film is not particularly limited, but the surface reinforced / smoothed coating agent according to the present invention (hereinafter referred to as “coating agent” only), that is, R 2 Mainly obtained by reacting a monomer represented by Si (OH) 2 (wherein R is a methyl group or a phenyl group) and a monomer represented by RSi (OH) 3 (wherein R is a methyl group or a phenyl group). A straight silicone resin with a non-reacted hydroxyl group in a highly branched three-dimensional oligomer whose chain is Si-O-Si, and X n Si (OCH 3 ) 4-n (where X is an amino group, epoxy group, methacryloxy) A method including applying a silane coupling agent represented by any one of a group, a methyl group, and an ethyl group to the surface of a denture, followed by drying and curing the denture reinforcing coating agent.
塗布する方法としては、特に限定されないが、義歯をコーティング剤中に浸漬（ディッピング）する方法、義歯にコーティング剤を噴霧塗布する方法、義歯にコーティング剤をはけ等で塗布する方法等が挙げられる。 Although it does not specifically limit as a method to apply | coat, The method of immersing a denture in a coating agent (dipping), the method of spray-coating a coating agent to dentures, the method of apply | coating a coating agent to dentures, etc. are mentioned. .
本発明のコーティング剤に含まれるストレートシリコーン樹脂は、R2Si(OH)2(式中Rはメチル基またはフェニル基)であらわされるモノマー、および、RSi(OH)3(式中Rはメチル基またはフェニル基)であらわされるモノマーを反応させて得られる主鎖がSi-O-Siである分岐度の高い3次元オリゴマーで未反応の水酸基を残しているものである。 The straight silicone resin contained in the coating agent of the present invention includes a monomer represented by R 2 Si (OH) 2 (wherein R is a methyl group or a phenyl group), and RSi (OH) 3 (wherein R is a methyl group). Alternatively, the main chain obtained by reacting a monomer represented by a phenyl group) is a highly branched three-dimensional oligomer whose main chain is Si—O—Si, leaving unreacted hydroxyl groups.
本発明のコーティング剤に用いられるシランカップリング剤としては、
XnSi(OCH3)4-n（Ｘはアミノ基、エポキシ基、メタクリロキシ基、メチル基、エチル基のいずれか）であらわされるものが頻用されている。
As the silane coupling agent used in the coating agent of the present invention,
X n Si (OCH 3) 4 -n (X is an amino group, an epoxy group, a methacryloxy group, a methyl group, or ethyl group) those represented by are frequently used.
また、上記ストレートシリコーン樹脂は、予め希釈溶媒とは別の沸点１１０℃以下の低沸点有機溶媒に溶解させておいてもよい。
低沸点有機溶媒としては、沸点１１０℃以下であれば、特に限定されないが、たとえば、トルエン、キシレン、リグロインやこれらの混合物等が挙げられる。
The straight silicone resin may be previously dissolved in a low-boiling organic solvent having a boiling point of 110 ° C. or lower, which is different from the dilution solvent.
The low-boiling organic solvent is not particularly limited as long as it has a boiling point of 110 ° C. or lower, and examples thereof include toluene, xylene, ligroin and a mixture thereof.
また、上記のように、ストレートシリコーン樹脂を低沸点有機溶媒に溶解させる態様においては、ストレートシリコーン樹脂溶液は、低沸点有機溶媒がトルエンであって、ストレートシリコーン樹脂濃度が５０重量％であるときの、動粘度が０．１〜１００センチストークスであることが好ましい。また、得られるコーティング剤の動粘度を、０．１〜１０センチストークスとすることが好ましく、０．８〜９．５センチストークスとすることがより好ましい。 Further, as described above, in the embodiment in which the straight silicone resin is dissolved in the low boiling point organic solvent, the straight silicone resin solution is obtained when the low boiling point organic solvent is toluene and the straight silicone resin concentration is 50% by weight. The kinematic viscosity is preferably 0.1 to 100 centistokes. The kinematic viscosity of the resulting coating agent is preferably 0.1 to 10 centistokes, and more preferably 0.8 to 9.5 centistokes.
さらに、上記ストレートシリコーン樹脂としては、特に限定されないが、ストレートシリコーン樹脂に予め低沸点有機溶媒およびシランカップリング剤が配合された市販のストレートシリコーン樹脂組成物、たとえば、東レ・ダウコーニング・シリコーン株式会社製ストレートシリコーンワニス品名SR2406(有機溶媒トルエン、ストレートシリコーン樹脂濃度50重量％)、東レ・ダウコーニング・シリコーン株式会社製ストレートシリコーンワニス品名SR2410(有機溶媒トルエン、リグロイン、ストレートシリコーン樹脂濃度23重量％)、信越化学工業株式会社製ストレートシリコーンワニス品名KR255(有機溶媒トルエン、キシレン、ストレートシリコーン樹脂濃度50重量％)等を使用することができる。 Further, the straight silicone resin is not particularly limited, but a commercially available straight silicone resin composition in which a low-boiling organic solvent and a silane coupling agent are blended in advance with the straight silicone resin, for example, Toray Dow Corning Silicone Co., Ltd. Straight silicone varnish product name SR2406 (organic solvent toluene, straight silicone resin concentration 50 wt%), straight silicone varnish product name SR2410 (organic solvent toluene, ligroin, straight silicone resin concentration 23 wt%) manufactured by Toray Dow Corning Silicone Co., Ltd., A straight silicone varnish product name KR255 (organic solvent toluene, xylene, straight silicone resin concentration 50% by weight) manufactured by Shin-Etsu Chemical Co., Ltd. can be used.
上記XnSi(OCH3)4-n（Ｘはアミノ基、エポキシ基、メタクリロキシ基、メチル基、エチル基のいずれか）であらわされるシランカップリング剤としては、特に限定されないが、たとえば、γ−アミノプロピルトリメトキシシラン，３−（２−アミノエチル）アミノプロピルトリメトキシシラン，３−（２−アミノエチル）アミノプロピルメチルジメトキシシラン等のアミノシラン，３−グリシドキシプロピルトリメトキシシラン、３−グリシドキシプロピルメチルジメトキシシラン等のエポキシシランなどが挙げられる。 The silane coupling agent represented by the above X n Si (OCH 3 ) 4-n (X is any one of an amino group, an epoxy group, a methacryloxy group, a methyl group, and an ethyl group) is not particularly limited. -Amino silane such as aminopropyltrimethoxysilane, 3- (2-aminoethyl) aminopropyltrimethoxysilane, 3- (2-aminoethyl) aminopropylmethyldimethoxysilane, 3-glycidoxypropyltrimethoxysilane, 3- And epoxy silanes such as glycidoxypropylmethyldimethoxysilane.
非イオン界面活性剤としては、特に限定されないが、たとえば、セカンダリーアルコールエーテル(EO)6・(PO)付加物、セカンダリーアルコールエーテル(EO)7・(PO)付加物、セカンダリーアルコールエーテル (EO)8・(PO)付加物等のアルキルエーテル型非イオン界面活性剤で親水基であるエトキシ基(EO)・プロポキシ基(PO)を分子中に３〜１５個、好ましくは4〜12個を含み、その配列が偶数配列、奇数配列、又その混交で、配列中に必ずPO基を1つ挟むものととともに、炭素数でC10〜C18の親油基を側鎖に持つものが好ましく、これらを複数混合して用いることがより好ましい。 The nonionic surfactant is not particularly limited. For example, secondary alcohol ether (EO) 6 / (PO) adduct, secondary alcohol ether (EO) 7 / (PO) adduct, secondary alcohol ether (EO) 8 -It contains 3-15, preferably 4-12 ethoxy groups (EO) and propoxy groups (PO), which are hydrophilic groups in alkyl ether type nonionic surfactants such as (PO) adducts, Preferably, the sequence is an even number sequence, an odd number sequence, or a mixture thereof, which always has one PO group in the sequence, and a C 10 to C 18 lipophilic group in the side chain in the sequence. It is more preferable to use a mixture of two or more.
アルコールとしては、特に限定されないが、２５℃で液体であるものが好ましく、たとえば、メタノール、エタノール、プロパノール、ペンタノール、ヘキサノール、ヘプタノール、オクタノール、ノナノール、デカノール、３−メトキシ−メチルブタノール、エチレングリコール、ジエチレングリコール、トリエチレングリコール、テトラエチレングリコール、プロピレングリコール、ジプロピレングリコール、トリプロピレングリコール、テオリメチレングリコール、ブチルカルビトール、１，３−ブタンジオール、テトラメチレングリコール、エチレングリコールモノブチルエーテルなどが挙げられ、メタノール、エタノール、プロパノール、ブタノール等のＣ４以下のものが好ましく、イソプロピルアルコールが特に好ましい。 Although it does not specifically limit as alcohol, What is liquid at 25 degreeC is preferable, For example, methanol, ethanol, propanol, pentanol, hexanol, heptanol, octanol, nonanol, decanol, 3-methoxy-methylbutanol, ethylene glycol, Diethylene glycol, triethylene glycol, tetraethylene glycol, propylene glycol, dipropylene glycol, tripropylene glycol, theorimethylene glycol, butyl carbitol, 1,3-butanediol, tetramethylene glycol, ethylene glycol monobutyl ether, etc. , Ethanol, propanol, butanol and the like are preferable, and isopropyl alcohol is particularly preferable.
希釈溶媒としては、環境面を考慮すれば、水が好ましいが、たとえば、電気配線等の水が不適な場所に用いる場合は、ｎ−ヘキサン、ｎ−ヘプタン、リグロイン等の有機溶剤が挙げられる。
コーティング剤中の各成分の配合割合は、ストレートシリコーン樹脂の種類によって適宜決定されるが、因みに、ストレートシリコーン樹脂として、上記東レ・ダウコーニング・シリコーン株式会社製ストレートシリコーンワニス品名SR2410を用いるとともに、アルコールとしてイソプロパノールを用いた場合、SR2410と、イソプロパノールとを容量比で１：１で混合するとともに、この混合物に１０容量％程度の非イオン系活性剤を添加したものに、これらの総計の１倍〜５倍量の希釈溶媒を加えることが好ましい。
As the diluting solvent, water is preferable in consideration of the environmental aspect. For example, when used in a place where water such as electric wiring is inappropriate, organic solvents such as n-hexane, n-heptane, and ligroin can be used.
The blending ratio of each component in the coating agent is appropriately determined depending on the type of straight silicone resin.For this reason, the straight silicone varnish product name SR2410 manufactured by Toray Dow Corning Silicone Co., Ltd. is used as the straight silicone resin. When isopropanol is used as a mixture, SR2410 and isopropanol are mixed at a volume ratio of 1: 1, and about 10% by volume of a nonionic active agent is added to the mixture. It is preferable to add 5 times the amount of dilution solvent.
また、上記コーティング剤には、本発明の目的を損なわない範囲で、必要に応じ、性能向上用塗膜強固剤、希釈溶剤、安定化溶剤、凍結防止剤、防腐剤、研磨剤、紫外線吸収剤、色素、二酸化チタン等の光触媒などを配合することができる。 In addition, the above coating agent may be used to improve the performance of the coating film strengthening agent, diluting solvent, stabilizing solvent, antifreezing agent, preservative, polishing agent, and UV absorber as long as the object of the present invention is not impaired. In addition, a photocatalyst such as a dye or titanium dioxide can be blended.
本発明にかかる表面強化・滑沢化被膜形成義歯は、義歯の表面が、ストレートシリコーン樹脂強化・滑沢化被膜によって被覆されているため、義歯がアクリル系樹脂等で作製され、義歯表面に小孔を形成する凹凸部分が多数存在しても、ストレートシリコーン樹脂強化・滑沢化被膜の表面には、小孔や凹凸を認めることができない。しかも、ストレートシリコーン樹脂強化・滑沢化被膜は撥水性も備えている。
したがって、義歯表面に水分が吸収されたり、細菌感染巣ができず、また歯垢やタバコのヤニ等の異物が付着したりすることもなく、さらに、口臭、誤嚥性肺病の予防にも有用である。
In the surface-enhanced / lubricated film-forming denture according to the present invention, since the surface of the denture is covered with a straight silicone resin-reinforced / lubricated film, the denture is made of an acrylic resin, etc. Even if there are many uneven portions forming the holes, small holes and unevenness cannot be recognized on the surface of the straight silicone resin reinforced / smoothed coating. Moreover, the straight silicone resin reinforced / slidable coating also has water repellency.
Therefore, it does not absorb moisture on the denture surface, does not form bacterial infection foci, and does not adhere to foreign substances such as plaque and tobacco dust, and is also useful for preventing bad breath and aspiration lung disease. It is.
さらに、ストレートシリコーン樹脂強化・滑沢化被膜は、岩石を構成するシロキサン結合を幹骨格とするので高硬度のセラミックに近い被膜を形成する。したがって、耐摩耗性、耐衝撃性に優れているので、亀裂や剥離もなく、義歯を耐久性に優れるとともに、また、生体適合性にも優れているので、安全である。 Further, the straight silicone resin reinforced / lubricated coating forms a coating close to a high-hardness ceramic because the siloxane bond constituting the rock is a backbone. Therefore, since it is excellent in abrasion resistance and impact resistance, it is safe because there is no crack or peeling, the denture is excellent in durability, and it is excellent in biocompatibility.
本発明にかかるコーティン剤は、R2Si(OH)2(式中Rはメチル基またはフェニル基)であらわされるモノマー、および、RSi(OH)3(式中Rはメチル基またはフェニル基)であらわされるモノマーを反応させて得られる主鎖がSi-O-Siである分岐度の高い3次元オリゴマーで未反応の水酸基を残しているストレートシリコーン樹脂と、XnSi(OCH3)4-n（Ｘはアミノ基、エポキシ基、メタクリロキシ基、メチル基、エチル基のいずれか）であらわされるシランカップリング剤とを含むので、義歯に塗布すれば、義歯表面の小孔部分にスムーズに入り込み、乾燥等により養生硬化させるようにすれば、一部が小孔内に入り込んで、義歯の表面にしっかりと把持され強固に接着したストレートシリコーン樹脂強化・滑沢化被膜を容易に形成することができる。 The coating agent according to the present invention includes a monomer represented by R 2 Si (OH) 2 (wherein R is a methyl group or a phenyl group), and RSi (OH) 3 (wherein R is a methyl group or a phenyl group). A straight silicone resin that has an unreacted hydroxyl group in a highly branched three-dimensional oligomer whose main chain obtained by reacting the represented monomers is Si-O-Si, and X n Si (OCH 3 ) 4-n (X is an amino group, an epoxy group, a methacryloxy group, a methyl group, or an ethyl group) and a silane coupling agent represented. Therefore, if it is applied to a denture, it smoothly enters a small hole portion on the surface of the denture, If it is cured by drying, etc., a straight silicone resin reinforced / smoothed film can be easily formed that partly penetrates into the small holes and firmly grasped and firmly adhered to the surface of the denture. .
即ち、、従来の床義歯は、汚れ、着色などが起こらないように滑沢化を図るため、義歯作製家庭で研磨やフッ素樹脂等のコーティングが行なわれていた。義歯粘膜面の研磨は行なうことはないのでここに汚れがつきやすい。現在粘膜面も研磨面もすべてコーティングされる方法も散見されるが、剥離や、亀裂が起きるという欠点を備えている。しかし、本発明にかかるコーティン剤によれがこれらすべてが解消される。義歯作製過程のみならず既使用の義歯にも被膜形成でき、強化および滑沢化を図ることができる。また、従来義歯作製段階での研磨工程も省くことができるようになる。 In other words, conventional dentures have been polished and coated with fluororesin or the like at homes where the dentures are made in order to achieve smoothing so as not to cause stains or coloring. Since the denture mucosa surface is not polished, it is easily soiled. Currently, there are some methods in which both the mucosal surface and the polished surface are coated, but it has the disadvantage that peeling or cracking occurs. However, all of these are eliminated by the coating agent according to the present invention. A film can be formed not only on the denture preparation process but also on an already used denture, which can be strengthened and smoothed. In addition, it is possible to omit the polishing process in the conventional denture production stage.
以下に、本発明の実施例を説明するが、本発明は以下の実施例に限定されるわけではない。 Examples of the present invention will be described below, but the present invention is not limited to the following examples.
(実施例１)
アクリル樹脂系義歯床用組成物（トクヤマデンタル社製化学重合型リライニング用レジン 商品名リベースII）をメーカー指示に従って重合し、直径２０ｍｍ、厚さ１ｍｍの円盤を作製するとともに、この円盤の表面を耐水研磨紙（♯１０００）で研磨してControlを作製した。
ストレートシリコーン樹脂が低沸点溶媒に溶解されるとともにシランカップリング剤を含むストレートシリコーン樹脂組成物としての東レ・ダウコーニング・シリコーン株式会社製ストレートシリコーンワニス品名SR2410と、イソプロピルアルコールとを容量比１：１で混合した混合液に、以下に示す組成の非イオン界面活性剤（エコ・２４社製 品名マイクロ２４）を１０容量％配合したのち、さらに、混合液と非イオン界面活性剤の合計の５倍量の精製水を加え攪拌してコーティング剤を調製した。
(Example 1)
An acrylic resin denture base composition (chemical polymerization type relining resin product name Rebase II manufactured by Tokuyama Dental Co., Ltd.) is polymerized according to the manufacturer's instructions to produce a disk with a diameter of 20 mm and a thickness of 1 mm. Control was prepared by polishing with water-resistant abrasive paper (# 1000).
A straight silicone resin dissolved in a low-boiling solvent and containing a silane coupling agent, a straight silicone resin composition SR2410 manufactured by Toray Dow Corning Silicone Co., Ltd. and isopropyl alcohol in a volume ratio of 1: 1. After blending 10% by volume of the nonionic surfactant (Eco / 24 product name Micro 24) with the composition shown below into the mixed solution mixed in step 5, further 5 times the total of the mixed solution and the nonionic surfactant An amount of purified water was added and stirred to prepare a coating agent.
〔非イオン界面活性剤の組成〕
・ポリオキシアルコールエーテル(EO)7・(PO)付加物（Ｃ１２以下）・・・12.0容量％
・ポリアルキルグリコール (EO)6・(PO)付加物（Ｃ１２以下） ・・・ 2.0容量％
・グリコール系溶剤 ・・・40.0容量％
・水 ・・・46.0容量％
[Composition of nonionic surfactant]
・ Polyoxy alcohol ether (EO) 7・ (PO) adduct (C12 or less) ・ ・ ・ 12.0% by volume
・ Polyalkyl glycol (EO) 6・ (PO) adduct (C12 or less) ・ ・ ・ 2.0% by volume
・ Glycol solvent: 40.0% by volume
・ Water: 46.0% by volume
つぎに、上記のようにして作製されたControlの表面にコーティング剤を塗布し、室温で乾燥させてControl表面に、ストレートシリコーン樹脂硬化被膜が約１０μｍの厚さで作製されたSaｍpleA、ストレートシリコーン樹脂硬化被膜が約２０μｍの厚さで作製されたSaｍpleB、ストレートシリコーン樹脂硬化被膜が約３０μｍの厚さで作製されたSaｍpleCの３種類の試料を用意した。なお、ストレートシリコーン樹脂硬化被膜の厚さは、コーティング剤の塗布回数で調整した。 Next, a coating agent is applied to the surface of Control prepared as described above, dried at room temperature, and a straight silicone resin cured film having a thickness of about 10 μm is formed on the Control surface. SampleA, a straight silicone resin Three types of samples were prepared: Sample B in which the cured coating was prepared with a thickness of about 20 μm, and Sample C in which the straight silicone resin cured coating was prepared with a thickness of about 30 μm. The thickness of the straight silicone resin cured film was adjusted by the number of coatings applied.
そして、上記実施例１で得られたControl、SaｍpleA、SaｍpleBおよびSaｍpleCの表面状態をＳＥＭ（走査型電子顕微鏡）で５００倍の倍率で観測し、その結果を図１（Control）および図２（SaｍpleA）、図３（SaｍpleB）および図４（SaｍpleC）に示した。 Then, the surface states of Control, Sample A, Sample B and Sample C obtained in Example 1 above were observed with a SEM (scanning electron microscope) at a magnification of 500 times, and the results are shown in FIG. 1 (Control) and FIG. ), FIG. 3 (SampleB) and FIG. 4 (SampleC).
図１に示すように、Control、即ち、、アクリル樹脂のみでは、表面に大きな凹凸が存在しているのに対し、図２〜図４に示すように、ストレートシリコーン樹脂硬化被膜でControl表面をコーティングすれば、大きな凹凸がほとんどないことがわかる。特に、図４に示すように、ストレートシリコーン樹脂硬化被膜の厚さを約３０μｍとすれば、より平滑な表面状態のストレートシリコーン樹脂硬化被膜となることがわかる。 As shown in FIG. 1, the control surface, that is, acrylic resin alone has large irregularities on the surface, whereas the control surface is coated with a straight silicone resin cured film as shown in FIGS. This shows that there are almost no large irregularities. In particular, as shown in FIG. 4, it can be seen that when the thickness of the straight silicone resin cured film is about 30 μm, a straight silicone resin cured film having a smoother surface state is obtained.
つづいて、Control、SaｍpleA、SaｍpleBおよびSaｍpleCについて、光沢度測定、表面粗さ測定、ターメリック着色試験を行い、光沢度測定の結果を図５に、表面粗さ測定の結果を図６に、ターメリック着色試験の結果を表７にそれぞれ対比させて示した。
図１〜図７に示すＳＥＭ所見、光沢度測定、表面粗さ測定、ターメリック着色試験の結果から、Controlに比べて、SaｍpleA、SaｍpleBおよびSaｍpleCに明らかな有意差が認められ、本発明のコーティング剤の有用性が認められる。
Next, Glossiness, Surface Roughness, and Turmeric Coloring Tests were performed for Control, SampleA, SampleB, and SampleC. The results of glossiness measurement are shown in FIG. 5, and the results of surface roughness measurement are shown in FIG. The results of the test are shown in Table 7 for comparison.
From the results of SEM findings, glossiness measurement, surface roughness measurement, and turmeric coloring test shown in FIG. 1 to FIG. 7, obvious significant differences were observed in SampleA, SampleB and SampleC compared to Control, and the coating agent of the present invention The usefulness of is recognized.
なお、光沢度測定、表面粗さ測定、ターメリック着色試験は、以下のようにして行なった。
〔光沢度測定〕
紫外可視分光計を用い，表裏 90°毎に回転させ， １試料につき 4×2 点測定した。
〔表面粗さ測定〕
触針式表面粗さ測定器を用い，カットオフ値 0.8 mm， 測定距離 4 mm にて，中心線平均粗さを測定した。
〔ターメリック着色試験〕
0.05 % ターメリック溶液に 37 ℃ 24 時間浸漬後、分光色差計にて浸漬前後の色差（ΔE）を求めた。
The glossiness measurement, surface roughness measurement, and turmeric coloring test were conducted as follows.
(Glossiness measurement)
Using a UV-visible spectrometer, the front and back surfaces were rotated every 90 °, and 4 × 2 points were measured per sample.
(Surface roughness measurement)
Centerline average roughness was measured using a stylus type surface roughness tester with a cut-off value of 0.8 mm and a measurement distance of 4 mm.
[Turmeric coloring test]
After immersion in a 0.05% turmeric solution at 37 ° C for 24 hours, the color difference (ΔE) before and after immersion was determined with a spectral color difference meter.
また、SaｍpleA、SaｍpleBおよびSaｍpleCを水中にて義歯用ブラシを用いて１００００回（荷重 2.9 N，ストローク 60/min）ブラッシングし、ストレートシリコーン樹脂硬化被膜の剥離の有無を確認したところ剥離は認められなかった。 In addition, SampleA, SampleB, and SampleC were brushed 10,000 times (load 2.9 N, stroke 60 / min) using a denture brush in water, and when the presence or absence of delamination of the straight silicone resin cured film was confirmed, no delamination was observed. It was.
なお、本発明のコーティング剤を用いて形成されるストレートシリコーン樹脂硬化被膜は透明で磨耗や着色に強く、剥離が少ないことから、コーティング剤を義歯のコーティング以外に、たとえば、めがね（眼鏡用）のレンズのみならず、コンタクトレンズ、めがねフレームのコーティングにも使用することが出来る。即ち、、これによりレンズやめがねフレームにキズがつくのを防ぎ、汚れを防止することができるようになる。 In addition, since the straight silicone resin cured film formed using the coating agent of the present invention is transparent, resistant to abrasion and coloring, and has little peeling, the coating agent is used for, for example, glasses (for glasses) other than denture coating. It can be used for coating not only lenses but also contact lenses and eyeglass frames. That is, this prevents the lens and the eyeglass frame from being scratched and prevents the stain.
また、汚れのほとんどが汗や脂によるもので、これが変色の原因となったり、金属部分の錆び様のものが出る原因となっている。これらの問題は本発明のコーティング剤をコーティングすることで予防、解決が出来る。
さらに、本発明のコーティング剤を用いて注射針をコーティングするようにしても構わない。即ち、、コーティング剤によって表面にストレートシリコーン樹脂硬化被膜が形成された注射針は、表面が滑らかであるので刺入したときに針の痛さが和らげられる。
Further, most of the dirt is caused by sweat or oil, which causes discoloration or rust-like metal parts. These problems can be prevented and solved by coating the coating agent of the present invention.
Furthermore, you may make it coat an injection needle using the coating agent of this invention. That is, the injection needle having a straight silicone resin cured film formed on the surface by the coating agent has a smooth surface, so that the pain of the needle is alleviated when inserted.
Claims (4)
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| JP2006074638A JP4796875B2 (en) | 2006-03-17 | 2006-03-17 | Surface-enhanced / lubricated denture, denture surface-enhanced / lubricated coating agent and denture surface-enhanced / lubricated method |
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| JP2006074638A JP4796875B2 (en) | 2006-03-17 | 2006-03-17 | Surface-enhanced / lubricated denture, denture surface-enhanced / lubricated coating agent and denture surface-enhanced / lubricated method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03287665A (en) * | 1990-04-04 | 1991-12-18 | Shin Etsu Chem Co Ltd | Curable composition and cured product thereof |
| JPH04327516A (en) * | 1991-04-24 | 1992-11-17 | Asahi Glass Co Ltd | Artificial tooth and denture base |
| JPH05155729A (en) * | 1991-12-03 | 1993-06-22 | Nippon Oil & Fats Co Ltd | Dental coating agent |
| JP2000169710A (en) * | 1998-12-03 | 2000-06-20 | Shin Etsu Chem Co Ltd | Silicone resin-containing emulsion composition and article having cured coating of the composition |
| JP2000178159A (en) * | 1998-12-16 | 2000-06-27 | Lion Corp | Care goods for artificial tooth |
| JP2000342602A (en) * | 1999-06-04 | 2000-12-12 | Agency Of Ind Science & Technol | Pollutant adhesion suppressing material and manufacture thereof |
-
2006
- 2006-03-17 JP JP2006074638A patent/JP4796875B2/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03287665A (en) * | 1990-04-04 | 1991-12-18 | Shin Etsu Chem Co Ltd | Curable composition and cured product thereof |
| JPH04327516A (en) * | 1991-04-24 | 1992-11-17 | Asahi Glass Co Ltd | Artificial tooth and denture base |
| JPH05155729A (en) * | 1991-12-03 | 1993-06-22 | Nippon Oil & Fats Co Ltd | Dental coating agent |
| JP2000169710A (en) * | 1998-12-03 | 2000-06-20 | Shin Etsu Chem Co Ltd | Silicone resin-containing emulsion composition and article having cured coating of the composition |
| JP2000178159A (en) * | 1998-12-16 | 2000-06-27 | Lion Corp | Care goods for artificial tooth |
| JP2000342602A (en) * | 1999-06-04 | 2000-12-12 | Agency Of Ind Science & Technol | Pollutant adhesion suppressing material and manufacture thereof |
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| JP4796875B2 (en) | 2011-10-19 |
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