My husband had one tooth pulled before radiation treatment. He was in his seventies and had all of his teeth. Months after radiation his teeth started to break apart and he needed to have all his teeth pulled but before they could do that he had to have 30 hyperbaric treatments, These treatments were necessary so that he wouldn't get a bone infection. He had floride trays made to help prevent the teeth from damage but he was just too sick and weak during his treatments to worry about his teeth. Eileen