A method for producing a dental curable composition, the method comprises mixing a polymerizable monomer; a spherical filler having an average primary particle diameter within a range of 230 nm to 290 nm measured according to the description; a spherical filler having an average primary particle diameter within a range of 100 nm to 500 nm, the spherical filler having an average primary particle diameter different from that of the spherical filler measured according to the description; and a polymerization initiator, wherein an abundance proportion in number of the individual particles constituting the spherical filler and the spherical filler which are present in a range of ±5% from the average primary particle diameter is 90% or more measured according to the description, the polymerizable monomer, the spherical filler, and the spherical filler satisfy requirement represented by the following formulae and: nP < nF B in formula, nP represents a refractive index at 25°C of a polymer obtained by polymerizing the polymerizable monomer; and nF B represents a refractive index at 25°C of the spherical filler, nP < nF C in formula, nP represents the refractive index at 25°C of a polymer obtained by polymerizing the polymerizable monomer; and nF C represents the refractive index at 25°C of the spherical filler, the polymerizable monomer includes a plurality of (meth)acrylic compounds, and a refractive index at 25°C of the polymerizable monomer is within a range of 1.38 to 1.55, the spherical filler is spherical silica-titanium group oxide-based composite oxide particles, and a refractive index thereof at 25°C is within a range of 1.45 to 1.58, the spherical filler is spherical silica-titanium group oxide-based composite oxide particles, and a refractive index thereof at 25°C is within a range of 1.45 to 1.58, the refractive indexes were measured as disclosed in the description. wherein an abundance proportion in number of the individual particles constituting the spherical filler and the spherical filler which are present in a range of ±5% from the average primary particle diameter is 90% or more measured according to the description, the polymerizable monomer, the spherical filler, and the spherical filler satisfy requirement represented by the following formulae and: nP < nF B in formula, nP represents a refractive index at 25°C of a polymer obtained by polymerizing the polymerizable monomer; and nF B represents a refractive index at 25°C of the spherical filler, nP < nF C in formula, nP represents the refractive index at 25°C of a polymer obtained by polymerizing the polymerizable monomer; and nF C represents the refractive index at 25°C of the spherical filler, the polymerizable monomer includes a plurality of (meth)acrylic compounds, and a refractive index at 25°C of the polymerizable monomer is within a range of 1.38 to 1.55, the spherical filler is spherical silica-titanium group oxide-based composite oxide particles, and a refractive index thereof at 25°C is within a range of 1.45 to 1.58, the spherical filler is spherical silica-titanium group oxide-based composite oxide particles, and a refractive index thereof at 25°C is within a range of 1.45 to 1.58, the refractive indexes were measured as disclosed in the description.