Scientists have found a drug that can repair cavities and regrow teeth

World Economic Forum: Tideglusib works by stimulating stem cells in the pulp of teeth, the source of new dentine. Dentine is the mineralized substance beneath tooth enamel that gets eaten away by tooth decay. And: The team inserted small, biodegradable sponges made of collagen soaked in Tideglusib into cavities. The sponges triggered dentine growth and within six weeks, the damage was repaired. The collagen structure of the sponges melted away, leaving only the intact tooth. Hell yes. [Via The O...