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US 2014/0193777 A1Published application
Dental fillers including a phosphorus-containing surface treatment, and compositions and methods thereof
Assignee3M Innovative Properties Company
InventorsRichard P. Rusin, Sumita B. Mitra, Kevin M. Cummings
Life of this patent
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Abstract
The present application provides dental fillers, and methods of making and using dental fillers that include a treated surface that includes phosphorus and a divalent cation. Dental compositions including such dental fillers can be useful for delivering ions to the oral environment.
Claims17
A dental composition comprising a dental filler and a hardenable resin, the dental filler comprising a treated surface, wherein the treated surface comprises phosphorus and a divalent cation selected from the group consisting of Mg, Ca, Sr, Ba, Zn, and combinations thereof,
- the dental filler obtained by a method comprising the steps of:
- dissolving, dispersing, or suspending a phosphorus precursor and a precursor for the divalent cation in one or more liquids;
- combining the one or more liquids with the dental filler;
- removing at least a portion of the one or more liquids to provide the treated surface;
- and
- heating the dental filler,
- wherein the hardenable resin comprises acid functionality.
4 more elements
Dependencies are inferred from the claim text.