#$%^&*AU2010207751B220150514.pdf#####Abstract A tooth sensitivity treatment composition is disclosed. The 5 composition includes a compound of Formula I M'-A-M2-B-Ma (i) wherein: M1 and M3 are, independently, a monovalent or divalent metal； M2 is a polyvalent metal or metal oxide； and A and B are, independently, 10 selected from the group consisting of C2 - C6 diacids, triacids, and tetraacids. Methods for treating tooth sensitivity are also disclosed.
