Calcified Nerve Root:
What is the significance of a calcified nerve during the root canal procedure and what is usually done to find it?
Can it be left as it is in the molar teeth that usually has 2-3 roots during root canal?
...Visitor from NY
That is a great question. Let's first look at the anatomy of the tooth.
The hard outer material which we all see is called enamel, it is created by cells called ameloblast, which become extinct after the tooth has emerged in to the mouth.
Under the enamel is the inner hard material called Dentin. This is created by the odontoblasts, which remain in and are part of the living tissue called the pulp. Throughout the life of the tooth the
odontoblasts continue to lay down new dentine and walling the pulp and nerves from the outside world.
This is due to some form of disagreeable stimulus, (Bacteria, Intense Heat or Cold, Chemical irritant, Physical trauma, for example.
A calcified nerve canal occurs when the inner hard tooth material called Dentin has walled itself off until there is no apparent nerve left. To find a calcified nerve, a microscope and a staining process is
often used. The stain adheres to nerve and pulp tissue.
If there has been no nerve or pulp found and there have been no symptoms then no treatment should
be indicated. However there is a chance that the very small nerve will cause a chronic infection or inflammation and will result in a failed root canal at a later date.
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