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Calculus (dental)
In dentistry, calculus or tartar refers to hardened plaque on the teeth, formed by the presence of saliva, debris, and minerals. Its rough surface provides an ideal medium for bacterial growth, threatening the health of the gums and absorbing unaesthetic stains far more easily than natural teeth.
Last updated: 08-03-2005 19:24:49
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


