The present invention discloses liquid precursor compositions adapted for application on a hard surface in the oral cavity, comprising at least one therapeutic agent suitable for the treatment of oral disorders, at least one acidic-pH sensitive polymer, at least one hydrophobic polymer, and a pharmaceutically acceptable volatile carrier, wherein a weight ratio between said at least one hydrophobic polymer and said at least one acidic-pH sensitive polymer is larger than 1. The invention also discloses formulations formed of the solidification of these compositions, and methods for treating oral disorders by applying these compositions on hard surfaces in the oral cavity or to be placed in the oral cavity.
