Root Canal Treatment
When a tooth becomes decayed or fractured, the bacteria eat their way through the enamel and dentin layers until they reach the pulp tissue. Once here, they cause the pulp tissue to break down, causing destruction of the nerves and blood vessels within the pulp. As the tissue breaks down, an infectious process starts within the pulp and eventually the nerves and blood vessels die. Pressure from this infectious process builds up within the tooth, usually causing pain, and eventually an abscess develops at the root tip. Until this degraded tissue is removed from within the tooth, this painful infectious process continues.
All teeth have three main layers: the outer enamel layer on the top of the tooth or the cementum layer on the root, the inner dentin layer and the pulp. The pulp is the innermost layer within the roots of the tooth containing the nerves and blood vessels that supply the tooth. The blood vessels provide nutrients to the tooth, the nerves provide sensation. When the pulp is intact, the tooth is vital and healthy.
Root canal treatment
Root canal treatment is performed on teeth where the nerve tissue within the roots has deteriorated, creating an infection. Within the roots are tiny canals where the nerve is located. When the nerve tissue degenerates, these tiny canals must be located, thoroughly cleaned and then sealed with a filling material. In some cases, the canals cannot be located or are constricted, preventing them from being fully cleaned and filled. In this example, the molar tooth has had root canal treatment. One of the canals has not been filled to the root tip, leaving a space in the canal which can become infected again.
A second attempt was made on this molar tooth to try to seal the canal all the way to the root tip. The first filling within the root canal was removed and the canal was located, cleaned and refilled, all the way to the tip of the root. In this specific situation, the retreatment was successful, however in some cases, the second result is the same as the first.
When the canals within the root cannot be thoroughly cleaned and sealed, the chance of re-infection or loss of the tooth is greater.
How can we have the root canal treatment?
This progress includes many stages which require you to go to dental clinic many times, which also depends on your teeth status and contains following steps:
- Firstly, dentist will open the pulp from the back of incisors or the occlusion surface of small and big molar.
- After removing all diseased pulp portion, canal and champer is cleaned, broaden and shaped for sealing off.
- If dentists need more than one appointment, they will place the temporary inlays on the body of teeth in order to protect your teeth among appointments.
- It is taken off and sealed off permanently. A straight material made of rubber called as gutta-percha inserted into each pulp champers, normally, it has been fixed into it by cements. Sometimes, there is a metal or plastic post placed into the canal to support the teeth structure.
- Finally, a crown usually is placed on the teeth body to restore the natural shape of them. If they have been broken and created a huge cavity, we have to place the post to reinforce before having dental crowns
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