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1. An oral composition, comprising:
a. a polyguanidine compound of Formula (I): wherein: X denotes an orally acceptable counterion; Z is CH or N; R1, R2, and R3 are each independently a hydrogen or a linear or branched, saturated or unsaturated, optionally hydroxylated C1 to C16 alkyl radical; A denotes a linear or branched, saturated or unsaturated, optionally hydroxylated C1 to C16 alkyl radical; or A denotes a linear or branched, saturated or unsaturated, C1 to C16 alkylene radical optionally substituted with at least one radical selected from the group consisting of: a hydroxyl, carboxyl, or carboxylate radical or a halogen; the alkylene radical optionally containing at least one function group selected from the group consisting of: an amine, ether, thioether, ester, amide, carbamate, urea, C6 aryl or C3 to C8 cyclanyl ring optionally substituted with a C1-C8 alkyl, hydroxyl or halogen; or A denotes one or more C6 or C7 aryl or C5 to C7 cyclanyl rings unsubstituted or substituted with a C1-C8 alkyl, a hydroxyl group or a halogen; or A denotes a C10 to C14 polyaryl or C6 to C10 polycyclanyl chain, which may be interrupted with at least one function group selected from the group consisting of: a C1 to C8 alkylene radical, amine, amide, ether, thioether, hydrogen atom, carbamate or urea; and n denotes an integer between 2 and 5,000; b. an orally acceptable carrier; c. a bioacceptable glass composition comprising 40-60% SiO2, 10-30% CaO2, 10-35% Na2O, 2-8% P2O5, 0-25% CaF2, and 0-10% B2O3; and d. a small particle silica having an average particle size of 0.01 μm-10 μm.
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