Sensitive teeth are not a pleasant feeling. Both cold and hot food drinks as well as sugary sweets can hurt our teeth making our pearly white teeth throbbing. An experience no one wishes to have!
Mostly sensitive teeth have either a problem with the enamel or the root surface, that is worn off. This gives access to the dentin ( the inner layer of our teeth ) which is full of tiny tubes ( dental tubule ) with extremely sensitive nerve endings which run through this dental tubule.
Some toothpaste like Pronamel