DE19747136A1 - Silicone release agents for use in the casting of plastics dental parts - Google Patents
Silicone release agents for use in the casting of plastics dental partsInfo
- Publication number
- DE19747136A1 DE19747136A1 DE19747136A DE19747136A DE19747136A1 DE 19747136 A1 DE19747136 A1 DE 19747136A1 DE 19747136 A DE19747136 A DE 19747136A DE 19747136 A DE19747136 A DE 19747136A DE 19747136 A1 DE19747136 A1 DE 19747136A1
- Authority
- DE
- Germany
- Prior art keywords
- release agents
- casting
- silicone release
- polydimethylsiloxane
- dental parts
- 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.)
- Withdrawn
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/90—Compositions for taking dental impressions
Landscapes
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dental Preparations (AREA)
Abstract
Description
Es ist üblich, in der Kunststofftechnik als Trennmittel Gips gegen Kunststoff Alginate einzusetzen. Das Ziel ist es den Kunststoff nach der Verarbeitung problemlos vom Gips lösen zu können, was ohne Isolierung nicht möglich wäre. Dabei bindet das Alginat mit Bestandteilen des erwärmten Gipses ab und bildet einen Isolierfilm. Der Nachteil ist eine mögliche Schlierenbildung, weil der Isolierfilm eine innige Verbindung mit dem Gips eingeht. Zurück bleiben je nach Gips- und Oberflächenqualität weiße Stellen an der Kunststoffoberfläche, die erst nach vollständiger Trocknung sichtbar werden. Zudem ist der Alginatisolierfilm luftdurchlässig und nicht ganz glatt, was zu Lufteinschlüssen in der Kunststoffoberfläche führen kann. (Dentallabor, XLV, Heft 5/97).It is common to use plaster as a release agent in plastics technology Use plastic alginates. The goal is the plastic to be able to easily remove what is from the plaster after processing would not be possible without insulation. The alginate binds Components of the heated gypsum and forms one Insulating film. The disadvantage is a possible streaking because the insulating film forms an intimate connection with the plaster. Depending on the plaster and surface quality, white spots remain on the plastic surface, which is only after complete drying become visible. The alginate insulation film is also breathable and not entirely smooth, resulting in air pockets in the Plastic surface can lead. (Dental laboratory, XLV, issue 5/97).
Diese Probleme kann man durch die Verwendung von Silikontrennmitteln lindern, da diese keine Luft durchlassen und zudem völlig glatt abbinden, wenn die Isolierung mit einem weichen Pinsel ausgeführt wird. Zudem wird die Gipsoberfläche nicht in den Abbindeprozeß mit einbezogen und die Isolierhaut kann abschließend rückstandsfrei vom verwendeten Gipsmodell abgezogen werden.These problems can be solved by using Relieve silicone release agents because they do not let air through and also set completely smooth if the insulation is soft Brush is running. In addition, the plaster surface is not in the Tying process included and the insulating skin can finally be removed from the plaster model used without leaving any residue.
Das Verfahren unterscheidet sich nicht grundlegend von der Verwendung von Alginaten, nur soll das Modell trocken sein. Das Modell sollte gewässert werden, anschließend mit Preßluft oder mit einem weichem Tuch getrocknet. Die Dicke der Isolierschicht kann durch eine Verdünnung gesteuert werden. Das Ergebnis ist eine absolut glatte Kunststoffoberfläche, die eine weitere Bearbeitung, an den Stellen, an denen dies nicht gewünscht wird wirklich Überflüssig macht.The procedure is not fundamentally different from that Use of alginates, only the model should be dry. The Model should be watered, then with compressed air or with dried with a soft cloth. The thickness of the insulating layer can can be controlled by dilution. The result is one absolutely smooth plastic surface, which requires further processing, in places where this is not really wanted Makes redundant.
Claims (1)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19747136A DE19747136A1 (en) | 1997-10-24 | 1997-10-24 | Silicone release agents for use in the casting of plastics dental parts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19747136A DE19747136A1 (en) | 1997-10-24 | 1997-10-24 | Silicone release agents for use in the casting of plastics dental parts |
Publications (1)
Publication Number | Publication Date |
---|---|
DE19747136A1 true DE19747136A1 (en) | 1999-05-06 |
Family
ID=7846579
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19747136A Withdrawn DE19747136A1 (en) | 1997-10-24 | 1997-10-24 | Silicone release agents for use in the casting of plastics dental parts |
Country Status (1)
Country | Link |
---|---|
DE (1) | DE19747136A1 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2151525A1 (en) * | 1970-10-15 | 1972-04-20 | Rhone Poulenc Sa | Method for the treatment and care of dentures |
-
1997
- 1997-10-24 DE DE19747136A patent/DE19747136A1/en not_active Withdrawn
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2151525A1 (en) * | 1970-10-15 | 1972-04-20 | Rhone Poulenc Sa | Method for the treatment and care of dentures |
Non-Patent Citations (1)
Title |
---|
Caesar, H.H.: Vom Wachsmodell zur partiellen Kunststoffprothese, In: dental-labor XIV, H. 5/97, S. 969-984 * |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
OP8 | Request for examination as to paragraph 44 patent law | ||
8122 | Nonbinding interest in granting licences declared | ||
8139 | Disposal/non-payment of the annual fee |