Plaque builds.
Meaning: This means that the sticky film of bacteria, called plaque, accumulates on teeth over time. It's like saying, Bacteria form a sticky film on teeth that can be harmful.
Choice of Words: Plaque is a sticky film of bacteria that forms on teeth. Builds is a verb that means to construct or accumulate. When you put them together, "Plaque builds" means that the sticky film of bacteria accumulates on teeth over time.
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Related Expressions