dental pain

Dental pain or Toothache or odontalgia may be acute or chronic. It occurs due to the inflammation of the tooth pulp which is a soft tissue contained in the cavity of the tooth. Toothache can be due to inflammation of the periodontal membrane which is a fibrous layer covering the cement of the teeth. Irritation of the tooth pulp is due to the following causes :

 (1) Carious cavity. (2) Exposure of dentine or cementum with or without caries. (3) Filling too near the pulp. (4) A blow on the sound Tooth. The pain is neuralgic in character and intensifies by the extremes of temperature.