| 摘要 |
An oral hygiene composition contains at least one nitrogen-containing antibacterial plaque-preventing compound from the group consisting of the cationic antibacterial plaque-preventing compounds and long-chain amines having an alkyl radical of 12 to 18 carbon atoms. The oral hygiene composition additionally contains, for reducing stains which are caused by the nitrogen-containing plaque-preventing compound, one or more of the following compounds: water-soluble, quaternary aminoalkylenephosphorus compounds, water-soluble N-methylenephosphonate compounds, phosphoracetic acid or orally tolerable salts thereof and one or more water-soluble phosphorus compounds or an orally tolerable salt of these compounds; the formulae of the said group of compounds are given in Claim 1. The oral hygiene composition described can be used as a powder, paste or liquid preparation. |
