COMPOSIÇÕES DE TRATAMENTO ORAL PARA O COMBATE DA EROSÃO DENTÁRIA E/OU DESGASTE DO DENTE, E PARA O COMBATE DE CÁRIE DENTÁRIA, E, COMPOSIÇÃO DE DENTIFRÍCIO

摘要

The use of an oral care composition comprising particulate zinc oxide (suitably in nanoparticulate form) optionally in the presence of a source of fluoride ions is described for combating dental erosion and/or tooth wear. Such compositions are also of use in combating dental caries.