biotene fluoride toothpaste helps people with a dry mouth to maintain good oral hygiene, helps prevent cavities and help fight bad breath. if you suffer from dry mouth you may be experiencing constant dry mouth feeling, bad breath, cracked lips and cavities. dry mouth is commonly associated with the use of medications and you may experience reduced saliva flow if you are on 3 or more medications.,for people with a dry mouth ,essential fluoride tooth protection ,gentle, low foaming formula