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When you take a look at this model, each tooth as at least one to three to two and sometimes
even more, roots. Depending on the location and sometimes just out of the ordinary, some
people just have more roots than normal. Each of these roots has canals in the center, meaning
a hollow space and that's where the nerve tissue, the blood supply are situated. But
sometimes when we get cavities, it breaks through the enamels or breaks through the
root and it basically expose the nerve and when it does that, it basically breaks down
the nerve and cause a great infection. And the infection for the most part, we can see
it visually when there's a breakdown of the enamel or we can see it on the x-ray where
at the end of the root there is basically swelling or disintegration of the bone because
of the infection. Or in general, you feel the pain or there's swelling that is very
very visible. And so, usually in those situations, you have to go in there and do a root canal
treatment.