Brown lines, blotches, spots or patches on your teeth can be down to a whole host of other causes - some serious, some not so ...

It did stain as well but not as bad (as coffee ... the colour of teeth due an interaction with saliva that turns teeth brown or grey. While most colour changes in teeth are nothing to worry ...

Prepare to be put off drinking one of these popular drinks after seeing a dentist's viral experiment that shows what they do to your teeth ... dark pigments can cause stains," he told Newsweek.

For many, these stubborn yellow or brown discolourations feel like ... Now, when you spot those stains appearing on your teeth, there's this moment of disbelief and casualness at first, but ...

Residents of the town had distinctive brown, mottled stains on their teeth. Further observation revealed that, despite these notable stains, people with the "Colorado brown stain" seemed to have ...

The young dentist was alarmed to find teeth the color of chocolate in most of his patients — "The Colorado Brown Stain" they called it. But there was almost no rot. Some said it was because of ...