I second what Gail said about the chewing gum. My dentist also suggests having chewing gum after each meal and in fact, it can make my mouth feel less dry when I have one. I have no particular choice of which brand as long as it is sugar free and the taste is not so 'refreshing'. I don't know how much radiation is done through my teeth but I am glad that I still have 28 teeth with me. I have lost all my wisdom for many years already. Frequent dental check and extra dental hygiene before, during and after treatment are keys to keeping our teeth healthy.
Karen