Fillings and composite dental materials containing the fillings
AssigneeKuraray Co., Ltd.
InventorsJunichi Ohtsuki, Hirotaka Kita, Koichi Okada, Yasujiro Ohara
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Abstract
The present invention provides a filler which has high water resistance and high acid resistance, and high releasing abilities of ions such as fluorine ions, and can maintain high aesthetic appreciation for a long period of time, and a dental composite material comprising the filler, excellent in water resistance, acid resistance, ion releasability and aesthetic appreciation.
Claims13
A filler comprising at least one metal oxide and at least one water-soluble metal salt, the metal oxide and the water-soluble metal salt each forming an independent phase, characterized in that the water-soluble metal salt phase comprises a crystal of the water-soluble metal salt having an average particle size of from 0.001 to 0.3 μm.
Dependencies are inferred from the claim text.