Many people suffer from sensitive teeth but not many know what causes it or how to treat it. Teeth consist of three layers: enamel, dentin, and the pulp. Enamel is the outer layer and is the hardest surface in the human body. It covers the crown of the tooth and works with cementum which protects the tooth below the gum line. Both enamel and cementum cover dentin which is softer and less dense.
Dentin contains microscopic tubules. When the enamel or cementum is damaged, the tubules allow hot, cold, sticky, or acidic particles to stimulate the nerves inside the tooth causing discomfort. This discomfort can manifest itself when a person is chewing, eating or drinking a cold or hot substance, or even when just breathing in through the mouth.
Proper oral hygiene is essential to preventing sensitive teeth as tooth decay and periodontal disease may cause tooth sensitivity. Brushing correctly is also necessary because brushing too hard or vigorously may damage the gums and expose the tooth roots.
There are several treatments for tooth sensitivity. Desensitizing toothpaste is the first option which takes several applications before it will begin to work. If that does not work, in office treatments are also available such as a fluoride gel or a special desensitizing agent. Depending on the cause of the tooth sensitivity, other measures may be necessary such as a filling or crown.
Source: http://www.ada.org/sections/professionalResources/pdfs/patient_33.pdf
R. Eric Emery, DDS
Morgan A. Emery, DDS
Smile Station Dental
2901 Dougherty Ferry Rd, Suite 400
St. Louis, MO 63122
(314)821-7100
smilestationdental.com
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