VIDEO: Could dentist's drill bite the dust?

The dentist's drill could become a thing of the past after researchers developed a tooth-rebuilding treatment that does away with fillings.

The technique invented at King's College London uses electricity to strengthen a tooth by forcing minerals into the layer of enamel.

The treatment could be available in three years, as Jon Brain reports.

http://www.bbc.co.uk/news/health-27872530#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa