Tooth sensitivity is also known as Dentin hypersensitivity. It is felt as a dental pain which is sharp in nature . The pain is shooting and occurs for a shorter duration. It arises due to exposed underlying layer of tooth i.e dentin .The nerve endings in the exposed dentin are stimulated by hot or cold food which results in tooth sensitivity.
Symptoms of Tooth Sensitivity
- The most common symptom is the occurance of pain on consuming cold or hot.
- Clinically the teeth are seen attrited or grinded .
- Enamel may be seen weared off or wear faucets are seen on tooth surface.
- Dentin is expose which is seen as shiny yellow surface.
- The pain is sharp and sudden.
- The nature of pain is short and triggered by the stimulus.
Causes of Tooth Sensitivity
- Harsh or faulty brushing resulting in cervical abrasions.
- Habit of bruxism or grinding teeth vigorously.
- Receding gums are another cause of sensitivity .
- Enamel erosion due to the excess acid reflux.
- Bleaching of the teeth.
- Pocket formation in gums.
- Exposed cementum layer of the tooth.
- Dental decay.
- Attrited teeth.
Diagnosis for Tooth Sensitivity
The tooth sensitivity can be diagnosed by its symptoms.Other ways to diagnose the sensitivity are:
- Thermal test : it is done by using hot or cold water
- Electrical pulp testers.
- Air blow from three way syringe.
- Probing by a dental instrument.
Prevention and Treatment of Tooth Sensitivity
- Using desensitivity toothpaste.
- Avoid harsh brushing.
- Applying fluoride layer on the affected teeth.
- Treatments of attrition should be one by fillings or placing varnish layer.
- Using night guards.
- Treating the abrasions by filling the affected areas.
- And if at all the sensitivity does not subside the tooth has to be desensitized by performing root canal treatment.