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US 11,446,214 B2Granted
Curable dental composite
AssigneeGC Corporation
InventorsAkio Takahashi, Takayuki Murata, Takumasa Kimura
Life of this patent
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Abstract
A polymerizable monomer, a filler (A), and a filler (B) are contained, the filler (A) includes an inorganic particle and a compound covering the inorganic particle, the filler (B) includes another inorganic particle and another compound covering the other inorganic particle, and the average particle size of the filler (B) is 20% to 550% of the average particle size of the filler (A).
Claims2
A curable dental composite comprising:
- a polymerizable monomer;
- a filler (A) having an average particle size of 0.18 μm to 0.7 μm, and
- a filler (B) having an average particle size of 0.18 μm to 0.7 μm,
- wherein the filler (A) includes an inorganic particle, and a compound represented by the general formula (1), the compound represented by the general formula (1) covering the inorganic particle,
- the filler (B) includes another inorganic particle, and a compound represented by the general formula (2), the compound represented by the general formula (2) covering the other inorganic particle, and
- the average particle size of the filler (B) is 45% to 222% of the average particle size of the filler (A),
- where R1 is a hydrogen atom or a methyl group, R2 is a hydrolysable group, R3 is a C1-6 hydrocarbon group, p is 2 or 3, and q is an integer of 6 to 13,
- where R1 is a hydrogen atom or a methyl group, R2 is a hydrolysable group, R3 is a C1-6 hydrocarbon group, p is 2 or 3, and q is an integer of 1 to 5.
5 more elements
Dependencies are inferred from the claim text.