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US 8,075,680 B2Granted
Dental cement
AssigneeAlma Mater Studiorum - Università di Bologna
InventorsRomano Mongiorgi, Maria Giovanna Gandolfi, Carlo Prati
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Abstract
Compositions containing Montmorillonite and Portland cement for tooth filling are disclosed; such compositions have shown good biocompatibility, excellent marginal adaptation to dentinal walls, short setting time, and improved viscosity.
Claims17
Composition for use in dentistry comprising a weight percentage of phyllosilicates from 0.5% to 3.5% and at least 60% of a mineral component, in which the mineral component is Portland cement and the phyllosilicates are Montmorillonite having the following formulation:
- Na2O.2MgO.5Al2O3.24SiO2.(6+n)H2O
- wherein n is an integer from 1 to 10.
Dependencies are inferred from the claim text.