News tagged with cavity

Look ma, no mercury in fillings!

Tooth enamel is hardest material in the human body because it's made almost entirely of minerals. As tough as it may be, however, enamel can be broken down by bacteria, forming cavities and eventually destroying the tooth. ...

Nov 09, 2009 5 / 5 (1) 0

Open wide and say 'zap'

A group of researchers in Australia and Taiwan has developed a new way to analyze the health of human teeth using lasers. As described in the latest issue of Optics Express,, by measuring how the surface of a tooth respon ...

Aug 18, 2009 4 / 5 (1) 0