Even if you’re a diligent brusher and flosser, spots can still show up on your teeth. While some types of discoloration aren’t a cause for concern, a black or dark dot may point to a more serious ...

This cross-section of a duck-billed dinosaur tooth (<i>Edmontosaurus<i>) shows the remarkably complex architecture. Six main tissues compose the tooth, where most reptiles only have two (enamel and ...

Rotten or decayed teeth are teeth that have become damaged by decay or infection. Signs include pain and marks or holes in tooth enamel. Decay usually results from inadequate oral hygiene, but certain ...

Certain types of food wear down your teeth. The longer these foods stick to the surface of your teeth, the more acidic your mouth will become, leading to the formation of cavities. When this happens, ...

Tooth sensitivity caused by heat or cold typically occurs when a tooth’s outer protective layer, the enamel, has worn down. Receding gums that expose a tooth’s root may also be a cause. Share on ...