A cavity, also called tooth decay, is a hole that forms in your tooth. Cavities start small and gradually become bigger when they’re left untreated.

Scientists have grown a tooth in a lab, marking a significant step toward regenerative dental treatments. The study, carried out in London by King's College and Imperial College, used a specially ...

At this point, you can reverse tooth decay by adding those important minerals back into your teeth — a process called remineralization, said Dr. Yasmi O. Crystal, an adjunct clinical professor ...