When a tooth hurts, many people immediately assume they have a cavity. But tooth pain does not always come from decay. A tooth can hurt even when there is no visible cavity, making the source of discomfort difficult to understand without a professional evaluation.
Pain may come from the nerve or pulp inside the tooth, a crack, an injury, inflammation, or another underlying problem that cannot be identified simply by looking at the tooth.
Understanding the possible causes of unexplained tooth pain can help you recognize when it is time to seek specialized care.
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