Tooth Pain & Dental Emergencies

What could be causing sudden tooth pain?

By 1 min read

Short answer

Sudden tooth pain is commonly caused by deep decay reaching the nerve, a cracked tooth, an abscess, or a lost filling exposing the sensitive inner layer. The exact cause usually needs an X-ray to confirm, since several conditions can feel similar from the outside.

About this answer: Prepared by the AllSmiles Dental Editorial Team for general information. Your dentist can advise you based on an examination and your individual needs.

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Can a broken tooth heal on its own?

No, tooth structure cannot repair itself the way skin or bone can, so a broken or chipped tooth will not heal without treatment. Depending on severity, a dentist may fix it with bonding, a crown, or in more serious cases, a root canal.

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What should I do if I chip a tooth?

Rinse your mouth with warm water, save any broken piece if possible, and avoid chewing on that side until you can see a dentist. Even a small, painless chip should be checked, since it can weaken the tooth's structure and lead to further cracking.

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Is a cracked tooth always painful?

Not always. Some cracks only cause pain when chewing or when exposed to hot and cold, while others, especially hairline cracks, can be painless until they worsen. This is why a cracked tooth that "doesn't hurt" can still need treatment before it splits further.

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