For more than a century, dentistry has focused on repairing or replacing damaged teeth, not growing new ones. That assumption is now under direct challenge, as Japanese teams move a first-of-its-kind ...

The human body is remarkably good at handling repairs. Cut the skin, and the blood will clot over the wound and the healing process begins. Break a bone, and the body will knit it back together as ...

Root canal treatment is designed to save a natural tooth by removing infected pulp, not to cause pain. An infected tooth, often causing severe tooth pain or sensitivity, can lead to bone loss or ...