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Dentists aim for drill-free future

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.

  • 16 Jun 2014
  • From the section Health
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