The present invention relates to an oral care composition, which contains
a compound represented by the formula (A):
(wherein, R represents a substituted or unsubstituted, linear or branched
alkyl group having from 6 to 18 carbon atoms, G represents a galactose
residue, m stands for an integer of from 0 to 200, and n stands for an
integer of from 1 to 30); and a coaggregation inhibitor of bacteria of
the genus Fusobacterium and cariogenic bacteria, which contains the
compound as an effective ingredient. The composition for oral cavity
according to the present invention inhibits coaggregation of bacteria of
the genus Fusobacterium with cariogenic bacteria so that it has an
excellent caries preventive effect.