Thursday, October 4, 2012

Neolithic dentists?

A 6,500-year-old tooth packed with beeswax could represent the earliest evidence of a dental filling, newly-published research has announced.
Found in part of a human jaw excavated in a cave near Lonche, Slovenia, the tooth is a left canine, thought to have belonged to a man aged between 24 and 30.

Research led by Federico Bernardini and Claudio Tuniz of the Abdus Salam Centre for Theoretical Physics in Italy examined a vertical crack in the tooth, which had been filled with a resinous substance.
Now analysis published in the journal PLOS ONE has revealed this to be beeswax, possibly used to alleviate pain and sensitivity when chewing on the broken tooth.

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