a filmy deposit on the surface of a tooth consisting of a mixture of mucus, bacteria, food, etcAlso called: bacterial plaque
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
A film of mucus and bacteria on a tooth surface.bacterial plaque
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.