When Tristen Boyer recently had a couple of cavities filled, her dentist suggested she get fluoride treatment afterward. She has Crohn's disease, which puts her at increased risk for tooth decay.

But the relatively simple procedure – which involves applying a varnish ... behind fluoride treatments is stronger for children than adults. But whether the benefit is stronger for kids is ...

But the relatively simple procedure – which involves applying a varnish ... behind fluoride treatments is stronger for children than adults. But whether the benefit is stronger for kids is ...