ProphyPaste HAp is a new generation of prophy paste.It is a universal paste that begins as a coarse cleaner and breaks down to a fine polisher. It contains HAp(hydroxyapatite)which is a desensitizer that forms a barrier on open dentin tubules and provides the patientwith instant relief. This paste is gentle enough for fillings, pediatrics and implants. Available in a convenient tube/60g. Mint flavored. Silica based. Non-Latex Shelf Life: 730 days