| abstract |
(57) A dental material comprising a curable resin and silica particles dispersed in the curable resin, wherein the silica particles have an average diameter of less than about 200 nm and about 40% by weight of the weight of the dental material. Dental material present in an amount greater than. The dental material may further include a heavy metal oxide. This dental material may be used as dental adhesive, artificial crown, anterior or posterior filler, casting material, cavity liner, cement, coating composition, mill blank, orthodontic appliance, restorative material, prosthetic material, and sealant Can be. |