bacteria act on the left over make acids
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Bacteria act on leftover food in the teeth and form Cavities or gingivitis by forming acids and their action upon them.
Cavities or tooth decay also called dental caries occur when factory act upon the teeth which leads to carving out of the enamel and leading to destruction of the sensitized nerves.
Gingivitis is a type of gum disease caused by bleeding gums, occuring due to the action of bacteria.
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acids is the answer okkkkkk
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