Restorative resin compositions and methods of use
Embodiments of the invention are directed to dental compositions comprising: (1) at least one cationically reactive compound; (2) at least one cationic photoinitiator; (3) at least one compound which is: an organic monomer, oligomer or polymer, said compound comprising at least one reactive oxirane, oxetane, or alkenyl ether, (4) at least one compound which is: an organic monomer, oligomer or polymer, said compound comprising at least one reactive acrylate that is capable of forming an interpenetrating network; (5) at least one free radical initiator; and (6) at least one compound which is: an organic monomer, oligomer or polymer, said compound comprising at least one reactive acrylate or methacrylate and at least one oxirane, oxetane, or alkenyl ether.
1. A dental composition comprising:
at least one cationically reactive compound;
at least one cationic photoinitiator;
at least one organic monomer comprising urethane dioxirane;
at least one compound comprising reactive acrylate monomers;
at least one free radical initiator;
at least one compound which is an organic monomer, the at least one compound comprising at least one of oxirane monomers, oxetane monomers, or alkenyl ether monomers; and
silver nanoparticles that help prevent caries.
2. The dental composition of claim 1 , wherein the cationic photoinitiator is an iodonium salt.
3. The dental composition of claim 1 , wherein the free radical initiator is an aromatic ketone or diketone.
4. The dental composition of claim 1 ,
wherein the at least one compound comprises oxirane monomers; and
further comprising an interpenetrating polymer network formed by the reactive acrylate monomers and the oxirane monomers.
5. The dental composition of claim 1 , wherein the composition further comprises acrylate monomers in an interpenetrating polymer network with acrylate/oxirane hybrid monomers.
6. The dental composition of claim 4 , wherein a ratio of the reactive acrylate monomers to the oxirane monomers is selected from the group consisting of 0:100, 25:75, 50:50, 75:25 and 100:0 wt %.
7. The dental composition of claim 5 , wherein the acrylate monomer is a urethane acrylate.
8. The dental composition of claim 7 , wherein the urethane acrylate is fluorinated.
9. The dental composition of claim 1 , further comprising an amine curing agent.
10. The dental composition claim 9 , wherein the amine curing agent is selected from diethylenetriamine (DTA), triethylenetetramine (TTA), N-aminoethylpiperazine (N-AEP), isophoronediamine (IPDA), metaphenylenediamine (MPDA), hexamethylene diamine (HMDA), and ethyl-4-dimethyl-aminobenzoate (EDMAB).