The invention relates to a composition for the treatment of teeth, comprising hydroxyapatite nanoparticles and at least one antibacterial polyol, and, optionally, other components. The composition may be used in the treatment of teeth, for maintenance or repair of the tooth enamel. The composition may for instance be a dentifrice, an active tooth foam, a mouth rinse, a swab, gel treatment, a spray, a wipe, a prophylactic paste, a post-whitening repair crème, a chewing gum, effervescent tablets and a tooth gloss.
