#plaque MOUTH Plaque is a soft deposit of certain constituents of saliva (glycoproteins) into which bacteria become trapped. {Plaque} forms on all surfaces of all teeth throughout the day & night. It accumulates particularly in spaces between teeth & around margins of gums. #disclosing mouth Plaque can be made visible by staining with vegetable dyes contained in {disclosing tablets}. The bacteria in {plaque} are responsible for both tooth decay & gum disease, which are the most common & damaging of dental diseases. !b! It is essential for dental health to control the build up of plaque. !n!