What causes tooth sensitivity?

Tooth sensitivity is a fairly common condition that occurs when the teeth’s natural protector, enamel, erodes and leaves the crown and root zone unprotected. These areas are exposed to the entry of any type of substance or microorganism. There are tiny canals that run from the tooth to the root and when they are not well protected, the slightest contact with them causes severe pain. Very cold or very hot products, something very sweet, sour or even acidic are what affect the nerve channels the most.

The reasons that can cause this wear are multiple:

  • Some oral disorders such as tooth decay or gum disease.
  • Tooth placement issues such as dental malpositionwhich causes the pieces to collide and erode each other.
  • In many patients, this is due to a improper brushing of teeththat is, too vigorously or with stiff brushes.
  • Take Soft drinks it also influences this wear, because they are aggressive for the enamel. They cause saliva to lose its ability to neutralize acids, thus suppressing its protective function against enamel. Do not abuse their consumption and, in any case, do not brush your teeth immediately after taking them so as not to drag the enamel which could have weakened before.

In most cases, sensitivity is caused by another dental disorder, so it is important to prevent or treat any oral problem that causes this effect. Either way, the best prevention is always to keep a good dental hygiene although it is necessary to avoid brushing with too much force and with brushes with hard bristles which can cause wear and receding gums.

At the first sign of sensitivity, one should go to the dentist to detect and resolve the root cause. In each case, a fluoride varnish in the most sensitive areas or when covered with a rresin that seals dentin. These are treatments that are applied in consultation in several sessions.

On the other hand, there is specific toothpastes for this problem. These products are made up of ingredients that suppress the sensation that stimulates pain in the dental nerves. They work by sealing off the most exposed areas or reducing the nerve’s ability to transmit pain. The best thing is that it is the professional who prescribes them. In case of sensitivity, the use of whitening or anti-tartar toothpastes should be avoided, as they are more aggressive for the enamel.


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