The present invention generally relates to liquid compositions and methods for treating oral inflammation by administering a liquid composition to the oral cavity. The liquid composition is prepared from a powder containing calcium glycerophosphate, one or more sodium phosphate salts, sodium chloride, and optionally sodium bicarbonate and silica. The powder is mixed with a quality of water to form a liquid that is supersaturated with calcium ions and phosphate ions and is essentially free of visible particles and precipitate.
