METHOD OF PRODUCTION OF STONE TOOTH MODELS

METHOD OF PRODUCTION OF STONE TOOTH MODELS

FIELD: medicine, particularly, prosthodontics. SUBSTANCE: method includes making plaster cast, casting of working model with its subsequent dehydration by heating, and treatment with talc. In so doing, after making cast, working model is cast from gypsum modified with mixture of aqueous emulsion whi...

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Bibliographische Detailangaben
Hauptverfasser: LESNYKH N.I, MORGACHEVA V.N, KALMYKOV V.V, MORGACHEV A.I, KALIVRADZHIJAN EH.S
Format: Patent
Sprache:eng
Schlagworte:
APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
DENTISTRY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
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Beschreibung
Zusammenfassung:FIELD: medicine, particularly, prosthodontics. SUBSTANCE: method includes making plaster cast, casting of working model with its subsequent dehydration by heating, and treatment with talc. In so doing, after making cast, working model is cast from gypsum modified with mixture of aqueous emulsion which consists of latex and latex with emulsifier. Used as latexes are latexes of various grades, and emulsifier is used in the form of SP-7 in the amount of 0.5%. EFFECT: higher accuracy of relief of base with respect to relief of prosthetic bed, improved full separation of plastic from gypsum with increased strength of stone model. 3 cl, 1 tbl