No, we aren’t talking about math!  Dental calculus is a form of hardened plaque.  It is caused by the continual accumulation of minerals from saliva to germs on the teeth. Its rough surface provides an ideal medium for further plaque formation, threatening the health of the gums.

tartar

We recommend seeing the hygienist twice a year to remove calculus but many people find that they build tartar quickly and need a cleaning more often than that.