dentin

Scientists have finally deciphered the mystery of an abnormally long, spiraling tooth sticking out of the mouth of narwhal, a Arctic whale.

So what is tooth decay, how do cavities affect health and how to prevent it? ScienceABC will help you answer these questions.

Scientists at Harvard University have introduced a method to use low-energy lasers to activate stem cells within the tooth from which to form dentin - a very important component of