True or false: Scientists Discover a Drug That Regenerates Teeth?

In the fake news I chose, it is claimed that the scientist have found a really effective drug, in the past investigated for Alzheimer’s, that can regenerate teeth and, based on the king’s college London, revolutionize the world of dental treatments which would leave all dentist without job. This drug would be used to stimulate the protector of the tooth, which is it’s major mineral, called dentine and produce enough to fill a teeth when problems like cavities happens. In fact, this procedure has been experimented on a mouse and showed some great results.