Toothache After a Crown: Causes, Relief, and When to See Your Dentist

Discomfort after crown placement can stem from several issues. Common causes include:

1. Adjustment issues – A crown that sits too high or low can create pressure on adjacent teeth or the jaw.
2. Temporary cement sensitivity – Temporary cement may wear off, allowing micro‑movement that irritates the tooth.
3. Pulp irritation – Tooth preparation can inflame the dental pulp, especially if decay was extensive.
4. Bite misalignment – An uneven bite places excessive force on the crowned tooth.
5. Infection – Pre‑existing decay or poor hygiene can lead to abscess formation.
6. Allergic reaction – Rare, but possible with crown materials or cement.
7. Trauma – Biting hard objects, grinding, or injury can damage the crowned tooth.

Action: Contact your dentist promptly. They will diagnose the cause and recommend appropriate treatment—adjustment, root canal, replacement, or other interventions—to relieve pain and protect the tooth.