Einbettmasse für die Dentaltechnik

A dental investing material is disclosed which comprises a combination of: (a) quartz and/or cristobalite, (b) a phosphate binder, and (c) aluminous cement, wherein said dental investing material is further added with tridymite and magnesium silicate. The disclosed dental investing material shows mi...

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Bibliographische Detailangaben
Hauptverfasser:	KUBO, FUMINOBU, JOHSHIN, KAZUHIKO
Format:	Patent
Sprache:	ger
Schlagworte:	APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE CASTING DENTISTRY FOUNDRY MOULDING HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PERFORMING OPERATIONS POWDER METALLURGY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES TRANSPORTING
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Beschreibung
Zusammenfassung:	A dental investing material is disclosed which comprises a combination of: (a) quartz and/or cristobalite, (b) a phosphate binder, and (c) aluminous cement, wherein said dental investing material is further added with tridymite and magnesium silicate. The disclosed dental investing material shows minimized expansion during hardening, significant expansion during heating and develops no cracks when heated at a conventional heating rate.