Why Do Tooth Nerves Die?
Tooth nerves die because of the decomposition of the tooth pulp after bacterial infection or trauma to the point that it cannot heal or repair itself. Bacteria can enter the tooth through an opening and can infect the pulp to expose the nerve. The infection produces an abscess near the tip of the root in the jawbone, which is a pus filled sac, and leads to the infection and death of the nerve.
In the event of a deep cavity, when the pulp is damaged and the root is exposed, it is irritated, causing symptoms such as pains and increased sensitivity. There are several cases in which a dental nerve could be threatened including an infectious cavity, trauma and fracture to a healthy or a restored tooth and disease of the related tissues such as cysts and neoplasm. Sometimes in the case of hair line dental fractures, the patient may not even feel any symptoms.
Sometimes apparently a trivial situation can cause enough trauma for the dental nerve to become jeopardized. Pressure caused by stressful biting or grinding severely can also result in a fracture, even sometimes in a patient’s sleep. This condition, along with very slow fractures, can sometimes only make the patient aware of the occurrence on the surfacing of symptoms of sensitivity and pain. Pain with greater frequency and intensity would indicate a more severe problem as far as the damage to the nerve and structure of the tooth is concerned. However, unless dental care is sought, the symptoms only worsen instead of getting better.
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