Dental filling material
AssigneeColtene/Whaledent, Inc.
InventorsRalf BOHNER, Dierk LUBBERS, Silvan BENZ
Life of this patent
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Abstract
The invention concerns a dental filling material with dual hardening mechanism, wherein i) a first hardening mechanism is based on a photocuring reaction, preferably a radical reaction, and ii) a second hardening mechanism is dependent on H2O as a reactant, especially as a ligand. Preferably, the second hardening mechanism is a gypsum-type reaction. Owing to the expansion of the composition an excellent marginal seal can be achieved, while the first hardening mechanism allows for a rapid cure on demand.
Claims13
Dental filling material with dual hardening mechanism, wherein
- i) a first hardening mechanism is based on a photocuring reaction, preferably a radical reaction, and
- ii) a second hardening mechanism is dependent on H2O as a reactant, especially as a ligand.
A method of restoration of a dental cavity or root canal, comprising the steps of
- i) applying a dental filling material according to claim into a dental cavity or root canal;
- ii) initiating the hardening of the surface layer of the dental filling material by a first hardening mechanism;
- iii) allowing the dental filling material below the said surface layer to at least partially set by a second hardening mechanism, preferably via a gypsum-type reaction.
Dependencies are inferred from the claim text.