What is dental plaque?

Dental Plaque
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Plaque (dental)

Plaque is a clear, sticky substance made in the mouth. It clings to the teeth and gums. Plaque has bacteria that make acids and other chemicals that can damage the teeth, gums, and bone if the plaque is not removed.

Plaque forms all the time, but it can be controlled by proper brushing and flossing.

If plaque is not removed, it hardens into a rough substance called tartar or calculus. This is hard to get off the teeth. It is often removed as part of a dental cleaning and exam.

Disclosing tablets for dental plaque

Plaque on teeth stained red by disclosing tablets, with detail of disclosing tablets.

Chewing disclosing tablets stains the plaque on your teeth. The stain lets you see how well you are brushing and flossing your teeth. Dental plaque is a film of bacteria that sticks to your teeth, the spaces between the teeth, and under your gums. Plaque can harden into tartar.

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