Scientists have developed regenerative fillings that allow teeth to heal themselves, which could mean the end of root canals.
The new approach, developed by researchers at the University of Nottingham and Wyss Institute at Harvard University, could spare millions of dental patients from the undergoing notoriously painful treament.
The ground-breaking technique uses stem cells to encourage the growth of dentin – the calcified tissue that makes up the bulk of each tooth.
Dentin is found between the outer layer of tooth enamel and the inner pulp.
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