As for this invention, in regard to the polymerization possible composite material, in addition, it regards the production method of the composite material which approximately the monomer of density of 10% - approximately 85% range, approximately the being full filler of non reactivity of density of 1% - approximately 80% range, contains the polymerization system of density approximately of 1.5% - 15% range, and the water of density approximately of 0.1% - 25% range at least includes one multi functionality acids.本発明は、重合可能な複合材料に関し、また、約10%~約85%の範囲の濃度のモノマー、約1%~約80%の範囲の濃度の非反応性の充填材、約1.5%~15%の範囲の濃度の重合系、ならびに約0.1%~25%の範囲の濃度の水を含有する、少なくとも1つの多官能性の酸を含む複合材料の製造方法に関する。