And people taking certain medications can get dry mouth ... one called fluorosis, a cosmetic discoloration of the teeth if someone gets a little too much fluoride. Dental experts acknowledged ...

"But for populations with limited access to dental education and care ... excessive exposure can lead to conditions such as fluorosis, which causes white patches on teeth, and, in rare cases ...

Chronic stress can also contribute. Trench mouth can be diagnosed by its appearance and treated with a combination of oral debridement, improved dental hygiene, and oral or topical painkillers.

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 ...

Read full article ... treatment? Dental fluoride prevents decay by helping tooth enamel – the hard outer layer of the tooth – better resist acid caused by bacteria in the mouth.