The invention includes an oral care composition that reduces and/or eliminates the perception of tooth sensitivity. The composition includes an adherent material and silica particles having an average particle size of about 8 microns or less. The silica particles are present in the composition in an amount of about 5% by weight. Also included within the scope of the invention are related methods, such as methods of occluding a dentin tubule.本発明には、歯の過敏症の知覚を軽減及び/又は除去する口腔ケア組成物が含まれる。この組成物には、接着性材料、及び約8ミクロン以下の平均粒径を有する粒子が含まれる。粒子は、約5重量%の量で組成物中に存在する。本発明の範囲内には、象牙質細管を塞ぐ方法などの、関連する方法も含まれる。