The pain is sharp and sudden, in response to an external stimulus. The most common trigger is cold, with 75% of people with<unk>  reporting pain upon application of a cold stimulus. Other types of stimuli may also trigger pain in<unk> , including: * Thermal – hot and cold drinks and foods, cold air, coolant water jet from a dental instrument. * Electrical – electric pulp testers. * Mechanical–tactile – dental probe during dental examination, periodontal scaling and root planing, toothbrushing. * Osmotic – hypertonic solutions such as sugars. * Evaporation – air blast from a dental instrument. * Chemical – acids, e.g. dietary, gastric, acid etch during dental treatments. The frequency and severity with which the pain occurs are variable.
Dentin hypersensitivity
Dentin dysplasia
Tooth ankylosis
Ligamentous laxity
Zaspopathy
Radiosensitivity
Accessory nerve disorder
Enthesopathy