Friday, 6 October 2017 | Admin
Tooth sensitivity affects up to 40% of the population. It is experienced as a painful sensation in the teeth, often occurring after eating or drinking something hot, cold, sweet or acidic.
The tooth comprises of a hard enamel covering a soft dentine layer with an internal nerve. The dentine contains a large number of pores or tubules that run from the outside of the tooth to the central nerve.
Over time, the enamel covering becomes thinner, providing less protection to external stimulation. The gums can recede over time and expose unprotected root surface dentine.
When the dentine has no enamel protection, the central nerve can be stimulated by changes in temperature and / or certain foods.
Tooth Sensitivity can be caused by: