"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." A sliver of what makes sharks so intriguing comes with their ability to regrow teeth. And while a group ...

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 ...

There are specific conditions that need to be met for the drug to regrow teeth — it might not spontaneously grow new teeth in just any person who takes it. A rumor has circulated online since at least ...