Disclosed are oral care compositions comprising an abrasive system, wherein the abrasive system comprises (a) a first particulate abrasive comprising at least 20 wt% pumice, based on the weight of the oral care composition, having an average particle size of from 20 to 300 microns and (b) a second particulate abrasive comprising calcium carbonate having an average particle size of from 2 to 13 microns. There is also disclosed a method of cleaning teeth comprising applying the oral care composition to a tooth surface, the oral care composition being applied as a paste disposed in a prophy cup.本發明揭示包含磨蝕系統的口腔護理組成物,其中該磨蝕系統包含:(a)第一微粒磨蝕劑,包含佔該口腔護理組成物重量之至少20%的浮石,其具有20到300微米的平均顆粒大小;和(b)第二微粒磨蝕劑,包含具有2到13微米平均顆粒大小的碳酸鈣。本發明亦揭示清潔牙齒的方法,包括將該口腔護理組成物施用於牙齒表面,該口腔護理組成物呈膏狀物配置在洗牙杯內施用。