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When Root Canal Treatment Is Needed, Symptoms and Signs

The teeth look strong outside but inside it is a soft nerves chamber. It consists of a nerve tissue and blood vessels. A deep decay or injury can irritate the nerves causing the nerves to deteriorate. If it completely dies, ganger develops and the nerve chamber will be infected. Root canal maybe recommended by the dentist in cases that are more complex than the usual swelling and pain on the gums.