
Harmful oral bacteria feed on sugar and excrete acid that erodes dental enamel, which makes up the outermost layer of the teeth. Unfortunately, enamel will not heal itself after being damaged, and a destructive infection such as a cavity can lead to an agonizing toothache or permanent tooth loss. Here’s a quick guide to how cavities form, how they can be prevented or treated, and how you may be able to tell if you have one in a hard-to-see area of your smile.
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