An oral composition is provided comprising at least 0.5% by weight of the composition of pyrophosphate in an orally acceptable carrier, wherein the pyrophosphate is provided by a mixture of disodium pyrophosphate and tetrasodium pyrophosphate in a ratio from disodium pyrophosphate to tetrasodium pyrophosphate in the range of from 1:0.4 to 1:1.2 and wherein the pH value of the composition is in the range of from 6.0 to 8.0. The oral composition can be used for prevention and control of tartar and/or calculus formation.