| 摘要 |
To provide a dental restorative material composition having good surface lubrication and high strength without causing uneven abrasion, a dental restorative material composition includes 10 to 50% by weight of an organic-inorganic composite filler having an average particle diameter of 5 to 60µm, a (meth)acrylate compound, an inorganic filler having an average primary particle diameter of 0.1 to 0.4µm, and a photopolymerization initiator, where the organic-inorganic composition is produced by mixing a (meth)acrylate compound and 60 to 90% by weight of an inorganic filler having an average primary particle diameter of 0.1 to 0.4µm, curing the mixture, and pulverizing the cured material, and a difference between a ratio (% by weight) of the (meth)acrylate compound in the organic-inorganic composite filler and a ratio (% by weight) of the (meth)acrylate compound in the entire composition is within ±5 (% by weight).
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