miércoles, 24 de agosto de 2011

Painless tooth fillings without drilling to make dentist trips less irksome

It is the sound that can make the toughest men moan and the calmest women weep.

But the whine of the dentists drill could soon be silenced for good, according to researchers.
Scientists believe they have found the secret of a completely painless filling by identifying a material which repairs decaying teeth � with no need for a drill.
Professor Jennifer Kirkham, who led the study at Leeds Universitys Dental Institute, said: The r


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