1. What is tooth sensitivity?
Tooth sensitivity occurs due to wearing away of the tooth’s surface or recession
of gums
Is tooth sensitivity common?
Tooth sensitivity is very common and it has been estimated that approximately
one out of six individuals experience tooth sensitivity. Tooth sensitivity can come
and go over time.
What causes sensitivity of Teeth?
Wrong/aggressive brushing
Recending Gums
Tooth decay
Dental erosion
Broke Teeth
Teeth grinding
Frequent consumption of acidic foods and drinks
How is it caused?
Sensitive teeth result from exposed dentin in the mouth. Dentin is the tissue that
makes up the inner layer of the tooth. Above the gumline, dentin is covered by a
protective coating of enamel. Dentin is made up of thousand of microscopic
channel/tubules, which contain fluid. These tubules lead to the nerves deep inside
the tooth.
When tooth enamel is lost or when gums recede, dentin eventually becomes
exposed and receptive to sensations, which cause painful nerve response. When

2. Hot, cold or sweet/sour foods and liquids contact the root surfaces they may
stimulate the nerves, causing pain.
What can be done to avoid sensitive teeth?
Maintenance of healthy gums is the best way to protect tooth dentin from
exposure. The seal made between healthy gums, teeth and underlying bone
provides protection by keeping highly sensitive root surface covered.
Adopting a thorough oral care regimen can prevent sensitive teeth. Here are
some useful tips:
Brush twice a day with tooth paste providing protection for sensitive teeth.
Colgate Toothpaste is the brand most often recommended by dentists, among
which Colgate Sensitive provides the following benefit:
 Fast sensitive relief
 Proven protection against cavities
 Freshens breath
 Fights Plaque
 Helps maintain the natural whiteness of your teeth
Brush the sensitive areas gently twice each day with a soft-bristled tooth brush.
Colgate’s Sensitive brush is specifically designed to give a gentle, yet superior
cleaning to give a gentle, yet superior cleaning that causes less wear on sensitive
tooth areas compared to a regulars soft, flat trim toothbrush.