JPH03127711A - Impressing material for dental use - Google Patents
Impressing material for dental useInfo
- Publication number
- JPH03127711A JPH03127711A JP1266989A JP26698989A JPH03127711A JP H03127711 A JPH03127711 A JP H03127711A JP 1266989 A JP1266989 A JP 1266989A JP 26698989 A JP26698989 A JP 26698989A JP H03127711 A JPH03127711 A JP H03127711A
- Authority
- JP
- Japan
- Prior art keywords
- impression
- impressing
- weight
- chlorinated paraffin
- impressing material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 title abstract description 40
- 239000005038 ethylene vinyl acetate Substances 0.000 claims abstract description 25
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims abstract description 25
- 239000012188 paraffin wax Substances 0.000 claims abstract description 19
- 239000002978 dental impression material Substances 0.000 claims description 4
- 229920002379 silicone rubber Polymers 0.000 abstract description 7
- 239000004945 silicone rubber Substances 0.000 abstract description 7
- 229920001817 Agar Polymers 0.000 abstract description 6
- 239000008272 agar Substances 0.000 abstract description 6
- 230000036760 body temperature Effects 0.000 abstract description 2
- 230000009969 flowable effect Effects 0.000 abstract 1
- 210000002200 mouth mucosa Anatomy 0.000 abstract 1
- 229920005989 resin Polymers 0.000 description 20
- 239000011347 resin Substances 0.000 description 20
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 8
- 239000000203 mixture Substances 0.000 description 6
- 239000005909 Kieselgur Substances 0.000 description 4
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 description 4
- FHVDTGUDJYJELY-UHFFFAOYSA-N 6-{[2-carboxy-4,5-dihydroxy-6-(phosphanyloxy)oxan-3-yl]oxy}-4,5-dihydroxy-3-phosphanyloxane-2-carboxylic acid Chemical compound O1C(C(O)=O)C(P)C(O)C(O)C1OC1C(C(O)=O)OC(OP)C(O)C1O FHVDTGUDJYJELY-UHFFFAOYSA-N 0.000 description 3
- 229940072056 alginate Drugs 0.000 description 3
- 229920000615 alginic acid Polymers 0.000 description 3
- 235000010443 alginic acid Nutrition 0.000 description 3
- 210000000416 exudates and transudate Anatomy 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 210000000214 mouth Anatomy 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- -1 cruzi Substances 0.000 description 2
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000004014 plasticizer Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000001993 wax Substances 0.000 description 2
- 235000019502 Orange oil Nutrition 0.000 description 1
- 240000004713 Pisum sativum Species 0.000 description 1
- 235000010582 Pisum sativum Nutrition 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 239000003242 anti bacterial agent Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 235000006708 antioxidants Nutrition 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 239000000440 bentonite Substances 0.000 description 1
- 229910000278 bentonite Inorganic materials 0.000 description 1
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 239000000378 calcium silicate Substances 0.000 description 1
- 229910052918 calcium silicate Inorganic materials 0.000 description 1
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000000796 flavoring agent Substances 0.000 description 1
- 235000013355 food flavoring agent Nutrition 0.000 description 1
- 235000003599 food sweetener Nutrition 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 239000001525 mentha piperita l. herb oil Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 239000010502 orange oil Substances 0.000 description 1
- 239000012766 organic filler Substances 0.000 description 1
- 235000019477 peppermint oil Nutrition 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000005077 polysulfide Substances 0.000 description 1
- 229920001021 polysulfide Polymers 0.000 description 1
- 150000008117 polysulfides Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000003206 sterilizing agent Substances 0.000 description 1
- 239000003765 sweetening agent Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000010456 wollastonite Substances 0.000 description 1
- 229910052882 wollastonite Inorganic materials 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Dental Preparations (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は歯科用に用いられる印象材に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to impression materials used in dentistry.
従来、歯科用印象材として、非弾性印象材たる石膏印象
材、亜鉛華ニーシノール印象材、モデリングコンパウン
ド及び弾性印象材たる寒天印象材、アルジネート印象材
、ポリサルファイドラバー印象材、シリコーンラバー印
象材、ポリエーテルラバー印象材が知られている。この
中で主に親水性系の寒天印象材とアルジネート印象材、
疎水性系のシリコーンラバー印象材が使用されている。Traditionally, dental impression materials have been used as non-elastic impression materials such as gypsum impression materials, zinc oxide Nishinol impression materials, modeling compounds, and elastic impression materials such as agar impression materials, alginate impression materials, polysulfide rubber impression materials, silicone rubber impression materials, and polyether. Rubber impression materials are known. Among these, mainly hydrophilic agar impression materials and alginate impression materials,
A hydrophobic silicone rubber impression material is used.
そして、この寒天印象材及びシリコーンラバー印象材は
アンダーカットのある印象採得に適当であるとともに、
寒天印象材は、安価でかつ口腔粘膜面に対し親和性を有
する利点を有し、一方、シリコーンラバー印象材は口腔
内組繊細部の再現性の精度が高くかつシャープさを有す
ると共に口腔内浸出液による影響がないという利点を有
している。This agar impression material and silicone rubber impression material are suitable for taking impressions with undercuts, and
Agar impression materials have the advantages of being inexpensive and having an affinity for the oral mucosal surface, while silicone rubber impression materials have high precision and sharpness in the reproducibility of delicate parts of the oral cavity, and are effective against intraoral exudates. It has the advantage of not being affected by
上記親水性系印象材は、上記利点を有するものの離液現
象を起こし、精度が低くシャープさに欠け、口腔内浸出
液により印象寸法に誤差を生じるという問題があり、ま
たシリコーンラバー印象材は、高価でかつ口腔粘膜面に
対し親和性に欠けるという問題があった。Although the above-mentioned hydrophilic impression materials have the above-mentioned advantages, they suffer from problems such as syneresis, low precision, lack of sharpness, and errors in impression dimensions caused by intraoral exudate, and silicone rubber impression materials are expensive. There were problems in that it was large and lacked affinity for the oral mucosal surface.
そこで本発明は、アンダーカットのある印象採得に適し
、口腔粘膜面に対して親和性があり、かつ口腔内組繊細
部の再現性の精度が高くかつシャープさを有すると共に
口腔内浸出液による影響がないという利点をも兼備した
印象材を提供することを目的とする。Therefore, the present invention is suitable for taking impressions with undercuts, has an affinity for the oral mucosal surface, has high precision and sharpness in reproducibility of delicate parts of the oral cavity, and is not affected by intraoral exudates. The purpose of the present invention is to provide an impression material that also has the advantage of being free of scratches.
［課題を解決するための手段］
本発明は、無毒で弾性強度を有し、かつ軟化温度を自由
に選択できるエチレン−酢酸ビニル共重合体（以下ＥＶ
Ａ樹脂という）の性質に着目してなされたものである。[Means for Solving the Problems] The present invention utilizes an ethylene-vinyl acetate copolymer (hereinafter referred to as EV) which is non-toxic, has elastic strength, and can freely select the softening temperature.
This was developed by focusing on the properties of resin A).
ＥＶＡ樹脂単独では未だ軟化温度が高く、少し高温であ
っても粘りのある鳥もち状でしかないため印象材として
は好ましくない。本発明者らは鋭意研究の結果、ＥＶＡ
樹脂に適当量の塩素化パラフィンを均一に混合すること
により、印象採得時の６０〜７０°Ｃでは容易に流動し
、かつ体温近傍では、形状が十分保持でき、さらに弾性
体として固化する特性を有する印象材として有効な組成
物を見出し本発明を充放させたものである。EVA resin alone is not preferable as an impression material because its softening temperature is still high, and even at a slightly high temperature, it remains sticky and sticky. As a result of intensive research, the inventors found that EVA
By uniformly mixing an appropriate amount of chlorinated paraffin with the resin, it has the properties of being able to flow easily at 60 to 70°C at the time of impression taking, retain its shape well near body temperature, and solidify as an elastic body. The present invention has been developed by discovering a composition that is effective as an impression material and has the following properties.
すなわち本発明は、エチレン−酢酸ビニル共重合体１０
〜７０重量％と塩素化パラフィン９０〜３０重量％とか
らなる歯科用印象材である。That is, the present invention provides ethylene-vinyl acetate copolymer 10
It is a dental impression material consisting of ~70% by weight and 90-30% by weight of chlorinated paraffin.
本発明で使用するＥＶＡ樹脂は、下記の反復単位〔Ａ〕
と〔Ｂ〕とを有する共重合体であって、酢酸ビニル含有
量が２０〜５０重量％のものが塩素化パラフィンの均一
混合性の点から好ましい。The EVA resin used in the present invention has the following repeating unit [A]
A copolymer having and [B] having a vinyl acetate content of 20 to 50% by weight is preferred from the viewpoint of uniform miscibility of the chlorinated paraffin.
（ＣＨ２Ｃ１４２）−（Ａ） （ＣＨ２−ＣＨ）。(CH2C142)-(A) (CH2-CH).
○ （Ｂ）
ＣＨ３−Ｃ，○
また、ＥＶＡ樹脂として酢酸ビニル含有量が特定の一種
のＥＶＡ樹脂を用いてもよく、あるいは酢酸ビニル含有
量が異なる複数種のＥＶＡ樹脂を組み合わせて用いても
よい。○ (B) CH3-C, ○ In addition, a type of EVA resin with a specific vinyl acetate content may be used as the EVA resin, or a combination of multiple types of EVA resins with different vinyl acetate contents may be used. .
本発明で使用する塩素化パラフィンとは、炭素数１０〜
３０のｎ−パラフィンの塩素化物又はワックスの塩素化
物で、塩素含有量が４０〜７０％のものである。特に、
塩素含有量が４０〜５０％のものが粘度等の点から好ま
しい。The chlorinated paraffin used in the present invention has 10 or more carbon atoms.
A chlorinated product of No. 30 n-paraffin or a chlorinated wax with a chlorine content of 40 to 70%. especially,
Those having a chlorine content of 40 to 50% are preferred from the viewpoint of viscosity and the like.
ＥＶＡ樹脂と塩素化パラフィンの組成物中の塩素化パラ
フィン量は、９０〜３０重量％であり、９０重量％以上
では、可塑剤のブリードアウトが大きく、また３０重量
％以下では、６０〜７０°Ｃで適度の流動性を示さない
ので好ましくない。The amount of chlorinated paraffin in the composition of EVA resin and chlorinated paraffin is 90 to 30% by weight, and if it is more than 90% by weight, the bleed out of the plasticizer will be large, and if it is less than 30% by weight, it will be 60 to 70°. C is not preferred because it does not exhibit adequate fluidity.
本発明の歯科用印象材として使用されるＥＶＡ樹脂と可
塑剤からなる組成物には、更に、増量剤としであるいは
固体弾性、溶融粘度の調整剤等として各種添加剤を添加
することができる。これらの添加剤としては、パラフィ
ン等のワックス類、ベントナイト、炭酸カルシウム、ク
ルジ、ウオラストナイト、二酸化ケイ素、二酸化ケイ素
エアロゲル、酸化チタン、珪藻土、珪酸カルシウム、ガ
ラス、ガラスピーズ、ガラスバルーン等の無機充填剤、
並びにポリエチレン粉末、スチレンビーズ酢酸ビニル樹
脂などの有機充填剤などが好ましい。The composition of the EVA resin and plasticizer used as the dental impression material of the present invention may further contain various additives such as fillers, solid elasticity and melt viscosity regulators, and the like. These additives include waxes such as paraffin, bentonite, calcium carbonate, cruzi, wollastonite, silicon dioxide, silicon dioxide airgel, titanium oxide, diatomaceous earth, calcium silicate, glass, glass peas, glass balloons, and other inorganic fillers. agent,
Also preferred are organic fillers such as polyethylene powder, styrene beads and vinyl acetate resin.
これらの他に、顔料染料による着色、賦香剤、甘味剤、
酸化防止剤、防腐剤、防菌・殺菌剤などの添加も必要に
応じ適宜行うことができる。In addition to these, coloring with pigment dyes, flavoring agents, sweeteners,
Antioxidants, preservatives, antibacterial/sterilizing agents, and the like can also be added as appropriate.
以下に本発明を具体的に説明するために実施例を示すが
、本発明は必ずしもこれらの例により限定されるもので
はない。Examples are shown below to specifically explain the present invention, but the present invention is not necessarily limited to these examples.
（実施例１）
ＥＶＡ樹脂（住友化学工業■製、エバテート■に３０１
０）１５重量部、塩素化パラフィン（味の素■製、エン
バラ■４０）８５重量部、パラフィンワックス（半井化
学製試薬、融点５２〜５４°Ｃ）５重量部および珪藻土
（昭和化学■製、ラジオライト）５重量部を１５０°Ｃ
にて均一に混合し、これをチューブ状容器に充填して保
存した。使用時に、これを６０〜７０°Ｃに加温し、チ
ューブから押し出してトレーに盛り口腔内にセット、２
〜３分間で固化させ、これに石膏（面至歯科工業製、プ
ラストーンＬ）１００ｇを水２６ｇで練和しＥＶＡ印象
型に注入して型を成形した。得られた印象材は、口腔内
の再現性に優れたものであった。(Example 1) EVA resin (manufactured by Sumitomo Chemical, Evatate 301)
0) 15 parts by weight, 85 parts by weight of chlorinated paraffin (manufactured by Ajinomoto ■, Enbara ■40), 5 parts by weight of paraffin wax (reagent manufactured by Hanui Chemical, melting point 52-54°C), and diatomaceous earth (manufactured by Showa Kagaku ■, Radiolight) ) 5 parts by weight at 150°C
The mixture was mixed uniformly in a tube, and the mixture was filled into a tube-shaped container and stored. When using, warm this to 60-70°C, push it out of the tube, place it on a tray, and set it in the oral cavity.
After solidifying for ~3 minutes, 100 g of plaster (Plastone L, manufactured by Menshi Dental Industry Co., Ltd.) was mixed with 26 g of water and poured into an EVA impression mold to form a mold. The obtained impression material had excellent intraoral reproducibility.
また、チューブ状容器に充填して保存した組成物を同様
にチューブから押し出し、金型上で、５５ｍｍｘ２０ｍ
ｍ、３ｍｍ厚みの平板を作り、湿度１００％の室温条件
で２４時間放置した試料について、放置前後の辺の長さ
を測定し、寸法変化率を下記式により求めた。In addition, the composition filled and stored in a tube-shaped container was similarly extruded from the tube, and placed on a mold in a size of 55 mm x 20 m.
A flat plate with a thickness of 3 mm was prepared and the sample was left at room temperature with 100% humidity for 24 hours.The lengths of the sides before and after being left were measured, and the dimensional change rate was determined using the following formula.
表１に示す通り、寸法変化はきわめてわずかであり、良
好な結果を示した。As shown in Table 1, the dimensional change was extremely small, indicating good results.
（実施例２）
ＥＶＡ樹脂（住良化学工業■製エバテート■Ｈ３Ｏ１１
）５重量部、ＥＶＡ樹脂（住良化学工業（２）製エバテ
ート８に４０１０）１５重量部、塩素化パラフィン（味
の素■製エンバラ＠４０）８０重量部およびパラフィン
ワックス（牛丼化学製試薬、融点５２〜５４°Ｃ）５重
量部を使用した以外は実施例１と同様の試験を行った。(Example 2) EVA resin (Evatate H3O11 manufactured by Sumira Chemical Co., Ltd.)
), 15 parts by weight of EVA resin (Evatate 8 to 4010 manufactured by Sumira Chemical Co., Ltd. (2)), 80 parts by weight of chlorinated paraffin (Enbara@40 manufactured by Ajinomoto ■), and paraffin wax (reagent manufactured by Gyudon Kagaku, melting point The same test as in Example 1 was conducted except that 5 parts by weight (52-54°C) was used.
（実施例３）
ＥＶＡ樹脂（住良化学工業■製エバテート■Ｈ３Ｏ１１
）１０重量部、ＥＶＡ樹脂（住良化学工業■製エバテー
ト■に４０１０）１５重量部、塩素化パラフィン（味の
素■製エンパラ■４０）７５重量部を使用した以外は実
施例１と同様の試験を行った。(Example 3) EVA resin (Evatate H3O11 manufactured by Sumira Chemical Co., Ltd.)
), 15 parts by weight of EVA resin (Evatate 4010 manufactured by Sumira Chemical Co., Ltd.), and 75 parts by weight of chlorinated paraffin (Empara 40 manufactured by Ajinomoto) were used. went.
（実施例４）
ＥＶＡ樹脂（住良化学工業■製エバテート＠に４０１０
）１５重量部、ＥＶＡ樹脂（住良化学工業■製エバテー
ト■Ｒ５０１１）３５重量部、塩素化パラフィン（味の
素■製エンパラ＠４０）５０重量部および珪藻土（昭和
化学■製、ラジオライト）２０重量部を使用した以外は
実施例１と同様の試験を行った。(Example 4) EVA resin (Evatate@4010 manufactured by Sumira Chemical Co., Ltd.)
) 15 parts by weight, EVA resin (Evatate R5011 manufactured by Sumira Chemical Co., Ltd.) 35 parts by weight, chlorinated paraffin (Empara@40 manufactured by Ajinomoto ■) 50 parts by weight, and diatomaceous earth (manufactured by Showa Chemical ■, Radiolite) 20 parts by weight The same test as in Example 1 was conducted except that .
（実施例５）
ＥＶＡ樹脂（住良化学工業■製エバテート＠に４０１０
）１０重量部、ＥＶＡ樹脂（住良化学工業■製エバテー
ト＠Ｍ５０１１）１５重量部、ＥＶＡ樹脂（住良化学工
業■製エバテート■Ｒ５０１１）４０重量部塩素化パラ
フィン（味の素■製エンパラ＠４０）３５重量部および
珪藻土（昭和化学■製、ラジオライト）５０重量部を使
用した以外は実施例１と同様の試験を行った。(Example 5) EVA resin (Evatate@4010 manufactured by Sumira Chemical Co., Ltd.)
) 10 parts by weight, EVA resin (Evatate@M5011 manufactured by Sumira Chemical Co., Ltd.) 15 parts by weight, EVA resin (Evatate R5011 manufactured by Sumira Chemical Co., Ltd.) 40 parts by weight Chlorinated paraffin (Empara@40 manufactured by Ajinomoto ■) 35 The same test as in Example 1 was conducted except that 50 parts by weight of diatomaceous earth (Radiolite, manufactured by Showa Kagaku ■) were used.
以上の実施例１〜５の印象材はいずれも口腔内の再現性
および寸法安定性共に優れたものであった。The impression materials of Examples 1 to 5 above were all excellent in both intraoral reproducibility and dimensional stability.
（比較例１）
アルジネート印象材として、日本歯研工業製のパナコー
ルＳＥを、ＪＩＳ Ｔ６５０５に従い、水と混和し、
実施例１と同様のテストを行ったが寸法安定性に欠ける
ものであった。(Comparative Example 1) As an alginate impression material, Panacol SE manufactured by Nippon Kiken Kogyo was mixed with water according to JIS T6505,
The same test as in Example 1 was conducted, but the dimensional stability was found to be lacking.
ホホホホホ
＼＼＼＼＼
ｌ：Ｉ 口 ＯＯロ
ト か ♂ さ ♂
コ 二 ュ ユ 二
ス、 ＼ ＾、 “ス、 ′ス、
よよ♂と と
特開平
１２７７１１（４）
〔発明の効果〕
本発明の印象材は、例えばチューブから押し出すだけで
簡単に使用でき熟練した技術を必要としない。また口腔
内組織に粘着せず、再現性に優れ、かつアンダーカット
部を含む印象ができ常温における経時変化によって寸法
変化がないという特徴を有するものである。また臭さ、
熱さ等によって患者に苦痛を与えることがなく、オレン
ジ油、ハツカ油、香料を使用することによって患者に良
悪を与えることができる。さらに１回目の印象が失敗し
てもその上に印象材を追加して再度印象することができ
る。また辺縁等の印象の場合、盛り足し可能であり、辺
縁のみを温水で温め機能印象を採得できる。またティッ
シュコンディショナー、弾性裏装剤としても適用可能で
ある。Hohohohoho＼＼＼＼＼ l:I 口 OOLOTO ka ♂ sa ♂ Ko Niyu Nisu, ＼ ＾, “Su, 'su, yoyo♂to” and JP-A-127711 (4) [Effects of the Invention] The present invention This impression material is easy to use, for example, by simply pushing it out of a tube, and does not require skilled techniques.It also does not stick to oral tissues, has excellent reproducibility, can create impressions that include undercuts, and shows no change over time at room temperature. It has the characteristic that there is no dimensional change due to
The heat does not cause pain to the patient, and the use of orange oil, peppermint oil, and fragrance can make the patient feel good and bad. Furthermore, even if the first impression fails, an impression material can be added on top of it and another impression can be made. In addition, in the case of an impression such as a margin, it is possible to add more, and a functional impression can be obtained by heating only the margin with warm water. It can also be used as a tissue conditioner and elastic lining agent.
本発明はエチレン−酢酸ビニル共重合体に塩素化パラフ
ィンを加えてなり、寒天印象材とシリコーンラバー印象
材の利点を兼備した印象材を提供できる。The present invention is made by adding chlorinated paraffin to an ethylene-vinyl acetate copolymer, and can provide an impression material that has both the advantages of an agar impression material and a silicone rubber impression material.
１１（艷）11 (艷)
Claims (1)
素化パラフィン９０〜３０重量％とからなる歯科用印象
材。A dental impression material comprising 10 to 70% by weight of an ethylene-vinyl acetate copolymer and 90 to 30% by weight of chlorinated paraffin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1266989A JPH03127711A (en) | 1989-10-13 | 1989-10-13 | Impressing material for dental use |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1266989A JPH03127711A (en) | 1989-10-13 | 1989-10-13 | Impressing material for dental use |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03127711A true JPH03127711A (en) | 1991-05-30 |
Family
ID=17438518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1266989A Pending JPH03127711A (en) | 1989-10-13 | 1989-10-13 | Impressing material for dental use |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03127711A (en) |
-
1989
- 1989-10-13 JP JP1266989A patent/JPH03127711A/en active Pending
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