In the future, dentists may use a special nano-sized film to bring diseased teeth back to life rather than remove them (Photo: iStock)
The words "You need root canal treatment" are not what you want to hear when you visit the dentist, even though millions of teeth are saved every year by the procedure. While the root canal procedure has a high success rate, it still leaves a dead tooth in the mouth. That could be about to change, however, with scientists reporting development of a nano-sized dental film that may bring diseased teeth back to life.
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