What are common causes of painful toothache?

Decay: Decay and decay that has entered the nerve.

Causes: 1. Cavities 2. Cracks 3. Clenching/grinding on a high filling 4. Trauma.

Decay: Number one is dental decay. Others include trauma to tooth, periodontal disease, teeth grinding.

Toothache : Usually a toothache is caused by inflammation or irritation or bacteria entering the nerve chamber of the tooth This can occur from a number of ways from a cavity to an old restoration that's leaking and going close to the nerve or trauma of the never