{"id":205,"date":"2025-04-15T10:12:52","date_gmt":"2025-04-15T14:12:52","guid":{"rendered":"https:\/\/greenleafdentists.com\/blog\/?p=205"},"modified":"2025-04-15T10:12:52","modified_gmt":"2025-04-15T14:12:52","slug":"what-happens-when-tooth-decay-reaches-the-nerve","status":"publish","type":"post","link":"https:\/\/greenleafdentists.com\/blog\/what-happens-when-tooth-decay-reaches-the-nerve\/","title":{"rendered":"What Happens When Tooth Decay Reaches the Nerve?"},"content":{"rendered":"

A little tooth pain can sneak up on you. It may start with a twinge during your morning coffee or a dull ache that comes and goes. It\u2019s easy to brush it off and hope it fades. But once decay reaches the nerve<\/a>, that mild discomfort can turn into sharp, persistent pain that keeps you up at night. If that sounds familiar, it\u2019s time to see a root canal specialist in Denville, NJ. Let\u2019s take a closer look at what\u2019s happening inside the tooth\u2014and why acting quickly matters.<\/p>\n

\"patient<\/p>\n

How Tooth Decay Progresses Below the Surface<\/h2>\n

Tooth decay doesn\u2019t stop with a cavity. If not addressed, bacteria gradually move past the outer enamel and through the dentin. Once decay breaks through to the pulp, the nerve inside your tooth becomes exposed and inflamed. That\u2019s when things change fast.<\/p>\n

The Role of the Pulp and Nerve<\/h3>\n

Inside every tooth is a soft core of tissue called the pulp<\/a>. It houses blood vessels and nerves that help the tooth grow and function. While the nerve isn\u2019t necessary once the tooth is mature, it\u2019s very sensitive.<\/p>\n

As decay reaches the pulp, inflammation kicks in, and the pain starts to increase. Hot and cold foods trigger zaps of pain, chewing becomes uncomfortable, and you might notice swelling in your gums.<\/p>\n

Signs the Nerve Has Been Affected<\/h3>\n

By the time decay hits the nerve, you may notice:<\/p>\n