According to the National Institutes of Health, calcium is the most abundant mineral in the body and 99 percent of it is stored in bones and teeth. Calcium compounds help give enamel — your ...

If the base of your tooth is black, or you have a dark color anywhere on your teeth, it could be a sign of underlying dental disease. Or it could be because of medication like liquid iron supplements.

Because calculus can be yellow, brown or even black or green ... and flossing can be enough time for the hardened deposits on individual teeth to connect and form a calculus bridge.

Oral bacteria: Poorly cleaned teeth can lead to an accumulation of dental plaque (sticky deposit on teeth ... yellow, brown or black stains on teeth. This is because teeth lose lustre from ...

If you've ever noticed black staining on your teeth, it can be a real concern and can force your hand to up your oral hygiene regime. A dentist has warned that while black triangles between your ...