Short Version: A cavity is a hole created by the acidic byproducts produced from the bacterial breakdown of the sugars you ingest. This acid etches the enamel surface, creating the hole into the dentin. If allowed to progress to a depth that exposes the pulp (nerve) an infection develops. This infection may become an acute condition causing pain in the jaw and tooth. If untreated may abscess and swell.
Answered 3/31/2015
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Nerve pain: Teet nerves react as pain to any stimulus in including tooth decay.
Answered 7/30/2018
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Infection: Bacteria convert sugars into acids which make holes in the teeth. Bacteria enter the "nerve" chamber of the tooth, infecting the soft pulpal tissues, and then spreading to the jaw, blood stream, and beyond. You need help now, before the infection spreads any farther. Please call your dentist now.
Answered 3/31/2015
4.9k views
Nerve: Tooth decay (cavity) infects the nerve in the tooth, thus causing pain in the tooth and jaw. See dentist for treatment.
Answered 3/31/2015
3k views
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