Abstract: According to an aspect of the present invention, a dental alginate impression material includes an alginate, calcium sulfate, and an aminocarboxylic acid compound.

Abstract: According to an aspect of the present invention, a dental alginate impression material includes an alginate, calcium sulfate, and an aminocarboxylic acid compound.

Abstract: To provide a photopolymerization type dental surface coating material for coating on a surface of a dental material, in which the surface is smooth after curing by irradiating visible lights and fully polymerizing, the cured surface has excellent durability, abrasion resistance and discoloration resistance, the photopolymerization type dental surface coating material is made such that 1-70% by weight of inorganic fine particles having 1-100 nm average particle diameter and surfaces modified with alkoxysilane having an unsaturated double bond is contained in a (meth)acrylate monomer in the mono-dispersed state, 0.01-10 parts by weight of photopolymerization catalyst is contained with respect to 100 parts by weight of said monomer dispersed with fine particles, and viscosity is 5000 cP or less at 23° C.

Abstract: To provide a one component dental composition in which a polymerzable compound having an acidic group is coexisted with a reducing agent such as a tertiary amine under the existence of water, and which is not cured with time during preservation, the dental composition comprises the polymerlizable compound having an acidic group, the reducing agent, water and an aluminum oxide powder, wherein it is preferable that 0.4 mol equivalent or less of the acidic group of the polymerizable compound having the acidic group and 0.05 mol equivalent or less of a reduction part of the reducing agent are contained per 100 m2 of a specific surface area of an aluminum oxide powder and that 5 to 35 weight parts of the polymerizable compound having the acidic group, 0.1 to 5 weight parts of the reducing agent, 10 to 55 weight parts of water, and 0.1 to 5 weight parts of the aluminum oxide powder are contained.

Abstract: A method of cleaning of an inorganic filler, upon which the inorganic filler used in resin materials for industrial or biological use, particularly dental resin restorative materials, can be more firmly bound to a resin matrix as a substrate, as well as a method of surface processing of the inorganic filler, are provided. The inorganic filler surface is cleaned with an aqueous solution of a peroxo acid and/or a peroxo acid salt, washed with water, and then cleaned with an organic solvent. Further, the cleaned inorganic filler is subjected to a silane coupling processing, thereby the inorganic filler being processed.

Abstract: A method of cleaning of an inorganic filler, upon which the inorganic filler used in resin materials for industrial or biological use, particularly dental resin restorative materials, can be more firmly bound to a resin matrix as a substrate, as well as a method of surface processing of the inorganic filler, are provided. The inorganic filler surface is cleaned with an aqueous solution of a peroxo acid and/or a peroxo acid salt, washed with water, and then cleaned with an organic solvent. Further, the cleaned inorganic filler is subjected to a silane coupling processing, thereby the inorganic filler being processed.