Plaque is the soft, sticky film that forms on teeth every single day.

In kid words

"Plaque is a sticky, invisible film where sugar bugs love to hang out on your teeth." You cannot always see it or feel it, but your toothbrush can wipe it away, which is why brushing morning and night matters so much, covering every tooth, not just the easy ones to reach.

The parent version

Plaque is a soft, sticky film of bacteria that forms on the surface of teeth continuously, rebuilding itself within hours of every brushing. It is not a sign that anything has gone wrong; every mouth makes plaque, kids and grown-ups alike. Left alone, the bacteria in plaque feed on sugars and starches left behind by food and release acid that can wear away at enamel over time.

This is why daily brushing and flossing exist: not as a one-time fix but as a routine that keeps clearing plaque away before it has much chance to do anything. How well that routine is working for your own child is worth bringing up with your pediatric dentist.

Where you might hear it at our office

Plaque is a big part of why preventative care matters so much at our office. Fluoride treatments help enamel stand up better to the acid plaque produces, and BPA-free dental sealants close off the deep grooves where plaque likes to settle in and hide from a toothbrush.

A routine cleaning also clears away any plaque that daily brushing at home has missed, part of why that rhythm of visits matters even when a smile looks perfectly fine. If another word from a visit needs translating, more of them are waiting in the dictionary.

Related words

Calculus. Gingivitis. Floss.