Painful trips to the dentist could be a thing of the past

A new technique which uses a crown to starve decayed teeth of oxygen could mean the end of the dentist's drill and fillings for patients.

Nicola Innes, a lecturer in paediatric dentistry at Dundee University, said: "The Hall Technique is now taught as a standard part of the undergraduate dental programme in almost all dental schools now. Sealing in decay is getting a lot of interest but we know that although it has been investigated for more than 30 years and there is a strong body of evidence supporting it, many dentists still view decay as a gangrenous type of disease that needs to be cut out surgically."

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