The ability to grow replacement teeth could one day be a reality. With the discovery of adult stem cells in teeth, say scientists, there is every reason to believe tooth regeneration is possible.

"The idea of growing new teeth is every dentist's dream ... will involve 30 healthy male adult participants who are missing at least one back tooth. Phase 2 is tentatively scheduled for next ...

especially when they grow at odd angles, often sideways. Given their location at the back of the mouth and the limited space, sideways growth of wisdom teeth can cause various oral health issues.

Humans have buds of a third set of teeth embedded in their jaws. [iStockphoto] Teeth don't grow back once humans become adults: any wear and tear is permanent - as those with fillings would know ...

Just as your baby begins to sleep for longer and show signs of calming down, teeth start appearing. For all the benefits of evolution, the emergence of first teeth is still painful and inefficient ...