Problem to be solved: to provide a dental curable composition having high mechanical strength and aesthetics, excellent in operability and stability of paste and its manufacturing method.A dental curable composition comprising an inorganic filler (a), a polymerizable monomer (b) and a polymerization initiator (c), the inorganic filler (a) is surface treated with a surface treatment agent, and the inorganic filler (a) is substantially free of agglomeration and condensation and is preserved at The dental curable composition, in which the degree of retention of the dental curing composition is 85% or more.No selection【課題】本発明は、高い機械的強度及び審美性を有し、ペーストの操作性及び稠度安定性に優れる歯科用硬化性組成物及びその製造方法を提供すること。【解決手段】無機充填材(A)、重合性単量体(B)及び重合開始剤(C)を含む歯科用硬化性組成物であって、該無機充填材(A)が表面処理剤で表面処理されており、該無機充填材(A)が凝集及び凝結を実質的に含まず、かつ50℃にて1ヶ月保存した後における歯科用硬化性組成物の稠度維持率が85%以上である、歯科用硬化性組成物。【選択図】なし