PROBLEM TO BE SOLVED: To provide a dentifrice composition having excellent ability for removing coloring on the surface of the clearance between teeth.SOLUTION: The dentifrice composition comprises (A) 10-30 mass% polishing silica having 10-125 mL/100 g oil absorption, 1-30 &mum average particle diameter, 0.15-0.3 g/cm3 loose apparent specific gravity and 0.25-0.5 g/cm3 tight apparent specific gravity, and (B) 0.5-30 mass% granules passing through 30 mesh sieve but not passing through 200 mesh sieve.COPYRIGHT: (C)2009,JPO&INPIT【課題】歯と歯のすきまの表面の着色除去能に優れる歯磨剤組成物の提供。【解決手段】次の成分(A)及び(B):(A)吸油量10~125mL/100g及び平均粒子径1~30μmであり、ゆるみ見かけ比重0.15~0.3g/cm3及び固め見かけ比重0.25~0.5g/cm3を有する研磨性シリカ 10~30質量%、(B)30メッシュ篩を通過するが200メッシュ篩を通過しない顆粒 0.5~30質量%を含有する歯磨剤組成物。【選択図】なし