JPH01242059A - Preparation of polysulfone denture base - Google Patents
Preparation of polysulfone denture baseInfo
- Publication number
- JPH01242059A JPH01242059A JP63069587A JP6958788A JPH01242059A JP H01242059 A JPH01242059 A JP H01242059A JP 63069587 A JP63069587 A JP 63069587A JP 6958788 A JP6958788 A JP 6958788A JP H01242059 A JPH01242059 A JP H01242059A
- Authority
- JP
- Japan
- Prior art keywords
- polysulfone
- artificial tooth
- denture
- acrylic resin
- denture base
- 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.)
- Granted
Links
Landscapes
- Dental Prosthetics (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
（産業上の利用分野〕
本発明は、アクリル樹脂製人工歯をポリサルホン義歯床
に強固に接着させ、審美性及び人工歯保持性に優れたポ
リサルホン床義歯を製造する方法に関する。Detailed Description of the Invention (Field of Industrial Application) The present invention provides a method for manufacturing a polysulfone denture with excellent aesthetics and artificial tooth retention by firmly adhering an acrylic resin artificial tooth to a polysulfone denture base. Regarding.
［従来の技術］
従来のレジン床義歯は、アクリル系モノマーとポリマー
との混合物を石膏型に填大した後、加熱重合する方法で
得られている。この方法は、アクリル樹脂製人工歯とア
クリル樹脂義歯床が強固に接着するという利点を有して
いる。又、機械的強度が大であって、耐衝撃性に優れた
ポリサルホン義歯床を使用したレジン床義歯も実用化さ
れており、特開昭６１−５０９０６号公報及び特開昭６
１−１３４３０６号公報ではポリカーボネートの塩化炭
素系溶媒溶液を接着剤として、アクリル樹脂製人工歯を
ポリサルホン義歯床に接着固定する技術が開示されてい
る。[Prior Art] Conventional resin-based dentures are obtained by filling a plaster mold with a mixture of an acrylic monomer and a polymer, and then heating and polymerizing the mixture. This method has the advantage that the acrylic resin artificial tooth and the acrylic resin denture base are firmly bonded. In addition, resin-based dentures using polysulfone denture bases with high mechanical strength and excellent impact resistance have also been put into practical use, and are disclosed in JP-A-61-50906 and JP-A-6
1-134306 discloses a technique for adhesively fixing an acrylic resin artificial tooth to a polysulfone denture base using a solution of polycarbonate in a carbon chloride solvent as an adhesive.
〔解決されるべき課題］
しかし、従来より使用されているアクリル潮脂義歯床は
、脆く、割れ易い欠点を有するばかりではなく、未重合
アクリルモノマーによる為置注を有する。又、アクリル
樹脂に歯床が持つ上記欠点を有さないものとして、提案
され実用化されているポリサルホン義歯床は、−殻内に
広く使用されているアクリル樹脂製人工歯とは化学的な
結合による接着をしないため、人工歯が義歯床から欠落
し易いという欠点がある。このため、アクリル樹脂製人
工歯に固定維持のための特別な形状を付与する方法も提
案されているが、特別な形状を付与できない症例も多く
、実際にはアクリル樹脂製人工歯の使用が大きく制限さ
れている。[Problems to be Solved] However, the conventionally used acrylic fat denture bases not only have the disadvantage of being brittle and easily broken, but also have the disadvantage of being contaminated by unpolymerized acrylic monomers. In addition, polysulfone denture bases that have been proposed and put into practical use do not have the above-mentioned drawbacks that acrylic resin tooth bases have. Since there is no adhesive bonding, there is a drawback that the artificial tooth is likely to fall off from the denture base. For this reason, methods have been proposed to give acrylic resin artificial teeth a special shape to keep them fixed, but there are many cases where it is not possible to give a special shape, and in reality, acrylic resin artificial teeth are largely used. Limited.
又、特開昭６１−５０９０６号公報及び特開昭６１−１
３４３０６号公報などに開示された方法では、成形した
床義歯から一旦人工歯を取り除き、人工歯に接着７Ｆ１
１を塗布した後、その人工歯を再び元の位置に１いて接
着させるため、操作が煩雑であるばかりでなく、人工歯
の位置が微妙にずれてしまうという大きな欠点を有して
いる。Also, JP-A-61-50906 and JP-A-61-1
In the method disclosed in Publication No. 34306, etc., the artificial tooth is removed from the molded denture, and then the artificial tooth is bonded to the artificial tooth 7F1.
After applying No. 1, the artificial tooth is returned to its original position and bonded, which not only complicates the operation, but also has the major drawback that the position of the artificial tooth may shift slightly.
本発明は、アクリル樹脂製人工歯をポリサルホン義歯床
に、簡易な工程で、確実に接着固定する方法に関する。The present invention relates to a method for reliably adhesively fixing an acrylic resin artificial tooth to a polysulfone denture base using a simple process.
本発明の方法によれば、審美性に優れたアクリル樹脂製
人工歯を症例に何ら制限されることなく、機械的強度が
大であって、耐衝撃性に優れたポリサルホン義歯床に通
用することができる。According to the method of the present invention, an acrylic resin artificial tooth with excellent aesthetics can be used as a polysulfone denture base with high mechanical strength and excellent impact resistance without any restrictions on the case. Can be done.
本発明の特徴は、アクリル樹脂製人工歯の基底面に、ポ
リカーボネートの１〜２０重１％塩化炭素系溶媒溶液を
塗布した後、圧縮成形法によってサルホン系樹脂を圧入
し、アクリル樹脂製人工歯をポリサルホン義歯床に接着
させる点にある。The feature of the present invention is that after applying a 1 to 20% by weight 1% polycarbonate solution in a carbon chloride solvent to the basal surface of an acrylic resin artificial tooth, a sulfone resin is press-fitted by a compression molding method to form an acrylic resin artificial tooth. The point is that the material is bonded to the polysulfone denture base.
ポリカーボネートは、ポリサルホン義歯床の成形条件で
ポリサルホンと溶着するものであれば特に制限はされな
いが、−時転移点が１５０〜２５０°Ｃの範囲のもの、
例えば、ビスフェノールＡとホスゲン或いはビスフェノ
ールＡとジフェニルカーボネートとから得られるポリ−
４，４゛ −ジオキシフェニル−２，２−プロパンカー
ボネートなどが好ましい。The polycarbonate is not particularly limited as long as it can be welded to polysulfone under the molding conditions of the polysulfone denture base, but polycarbonates with a -temperature transition temperature in the range of 150 to 250°C,
For example, polycarbonate obtained from bisphenol A and phosgene or bisphenol A and diphenyl carbonate
4,4'-dioxyphenyl-2,2-propane carbonate and the like are preferred.
ポリカーボネートを溶解する溶媒としては、塩化炭素系
溶媒が使用される。四塩化炭素、クロロホルム、ジクロ
ルメタンなどが使用できるが、）・容解性の高いクロロ
ホルム及びジクロルメタンが好ましい。A carbon chloride solvent is used as a solvent for dissolving polycarbonate. Carbon tetrachloride, chloroform, dichloromethane, etc. can be used, but chloroform and dichloromethane are preferred because of their high solubility.
ポリカーボネートの濃度は、人工歯の接着性に対する信
頼性及び操作性の点から１〜２０重量％の範囲が好まし
い。接着性の安定性及び塗布時の溶液の展延性などを考
慮すると５〜１５重ｉ％の範囲が特に好ましい。The concentration of polycarbonate is preferably in the range of 1 to 20% by weight from the viewpoint of reliability in adhesion of artificial teeth and operability. Considering the adhesive stability and the spreadability of the solution during application, a range of 5 to 15 weight i% is particularly preferable.
以下に実施例によって本発明を更に詳しく説明する。The present invention will be explained in more detail below with reference to Examples.
実施例
日本工業規格Ｔ−６５１１−６５１１人工性破折試験法
中成法に従い、アクリル樹脂製人工歯（商品名：リアル
クララ〉′、松風■製）を、切端部と歯頚部を結ぶ線が
パラフィンワックス型と４５度の角度をなす様にパラフ
ィンワックス型に植え付け、歯科技工の操作に従って石
膏型を作成した。上フラスコに埋没されたアクリル■脂
層人工歯の基底面にポリカーボネートの５重１％、１０
重量％、１５重世％クロロホルム溶液及び２０重量％ジ
クロルメタン溶液を塗布し、１３０°Ｃの温度で石膏型
を乾燥した。Example: According to the Japanese Industrial Standards T-6511-6511 Artificial Fracture Test Method, an acrylic resin artificial tooth (trade name: Real Clara〉', manufactured by Shofu ■) was prepared with a line connecting the incisal end and tooth neck. It was planted in a paraffin wax mold so as to form a 45 degree angle with the paraffin wax mold, and a plaster mold was created according to the instructions of a dental technician. Acrylic embedded in the upper flask ■ Fat layer On the base of the artificial tooth, 5 layers of polycarbonate 1%, 10
% by weight, a 15% by weight chloroform solution and a 20% by weight dichloromethane solution were applied and the plaster mold was dried at a temperature of 130°C.
下フラスコの石膏型上にポリサルホン（Ｕｄｅｌポリサ
ルホン、ユニオンカーバイド社製）を１き、赤外線ヒー
ターでポリサルホンを表面温度が３５０°Ｃ程度になる
まで加熱した後、上下フラスコを合わせて圧縮成形した
。冷却後、上下フラスコを分割しポリサルホン床義歯を
取り出した。同様にして各溶液について更にそれぞれ２
個のポリサルホン床義歯を製造した。Polysulfone (Udel polysulfone, manufactured by Union Carbide) was placed on the plaster mold of the lower flask, and after heating the polysulfone with an infrared heater until the surface temperature reached about 350°C, the upper and lower flasks were put together and compression molded. After cooling, the upper and lower flasks were separated and the polysulfone denture was taken out. Similarly, for each solution, 2 more
Polysulfone dentures were manufactured.
得られたポリサルホン床義歯を使用して、日本工業規格
Ｔ−６５１１に準じて負荷速度１２ｋｇｆ／ｗｉｎで引
っ張り、破折強度を求めた。その結果を第１表に示す。Using the obtained polysulfone denture, it was pulled at a load rate of 12 kgf/win in accordance with Japanese Industrial Standards T-6511 to determine its fracture strength. The results are shown in Table 1.
何れの試験例に於いても接着固定は確実であり、又、破
折は人工歯そのもので発生しており、Ｈａ床と人工歯と
の接着界面での破折は認められなかった。In all test examples, adhesive fixation was reliable, and the fractures occurred in the artificial teeth themselves, and no fractures were observed at the adhesive interface between the Ha bed and the artificial teeth.
比較例
人工歯の基底面にポリカーボネートの塩化炭素系溶媒溶
液を塗布しなかった以外は実施例と同様にして３個のポ
リサルホン床義歯を製造した。得られた床義歯を使用し
て、実施例と同様にして破折強度を測定した。結果を第
１表に示す。Comparative Example Three polysulfone dentures were manufactured in the same manner as in Example except that the solution of polycarbonate in a carbon chloride solvent was not applied to the basal surface of the artificial tooth. Using the obtained denture, the fracture strength was measured in the same manner as in the example. The results are shown in Table 1.
３個の試験例何れについても破折強度は不充分であり、
又、破折は全て義歯床と人工歯との接着界面で発生して
いた。The breaking strength was insufficient for all three test examples.
Furthermore, all fractures occurred at the adhesive interface between the denture base and the artificial tooth.
第１表
亙寡及グＡ農 破折強度（ｋｇｆ）クロ
ロホルム 、 ５重量％ １０．６．１１．２．１１．
２同 上 、１０重量％ １８．１．１９．２．
２０．１同 上 、 １５重量％ １７．６．
１９．３．１９．７ジクロルメタン、２０重量％ １９
．３．２０．８．２０．１比較例
３．７．４．１．３．４〔発明の効果〕
本発明の接着方法によれば、本来接着性を有さないアク
リル樹脂製人工歯とポリサルホン義歯床とを、簡易な工
程で強固に接着固定することができる。その結果、症例
に何ら制限されることなく、アクリル樹脂製人工歯の優
れた審美性とポリサルホン義歯床の優れた機械的強度及
び耐衝撃強度とを併せ持つ床義歯を得ることができる。Table 1 - Fracture strength (kgf) Chloroform, 5% by weight 10.6.11.2.11.
2 Same as above, 10% by weight 18.1.19.2.
20.1 Same as above, 15% by weight 17.6.
19.3.19.7 Dichloromethane, 20% by weight 19
．． 3.20.8.20.1 Comparative example
3.7.4.1.3.4 [Effects of the Invention] According to the bonding method of the present invention, an acrylic resin artificial tooth and a polysulfone denture base, which originally do not have adhesive properties, can be firmly bonded through a simple process. Can be fixed with adhesive. As a result, it is possible to obtain a denture that has both the excellent aesthetics of an acrylic resin artificial tooth and the excellent mechanical strength and impact resistance of a polysulfone denture base, without being limited to any particular case.
Claims (1)
の１〜２０重量％塩化炭素系溶媒溶液を塗布した後、圧
縮成形法によってサルホン系樹脂を圧入し、アクリル樹
脂製人工歯をポリサルホン義歯床に接着させることを特
徴とするポリサルホン床義歯の製造方法。After applying a 1 to 20% by weight solution of polycarbonate in a carbon chloride solvent to the base of the acrylic resin artificial tooth, the sulfone resin is press-fitted using a compression molding method, and the acrylic resin artificial tooth is bonded to the polysulfone denture base. A method for manufacturing a polysulfone denture, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6958788A JPH0624540B2 (en) | 1988-03-25 | 1988-03-25 | Method for manufacturing polysulfone denture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6958788A JPH0624540B2 (en) | 1988-03-25 | 1988-03-25 | Method for manufacturing polysulfone denture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01242059A true JPH01242059A (en) | 1989-09-27 |
| JPH0624540B2 JPH0624540B2 (en) | 1994-04-06 |
Family
ID=13407108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6958788A Expired - Fee Related JPH0624540B2 (en) | 1988-03-25 | 1988-03-25 | Method for manufacturing polysulfone denture |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0624540B2 (en) |
-
1988
- 1988-03-25 JP JP6958788A patent/JPH0624540B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0624540B2 (en) | 1994-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |