What causes pulp nerve damage?
There are two common causes of pulp nerve damage. Physical irritation is generally brought on by aggressive tooth decay reaching down to the nerve or through deep fillings which allows harmful bacteria to reach the nerve resulting in infection and decay. Receiving a blow to a tooth can also cause damage to sensitive nerve tissue within the tooth.
Trauma and physical irritation are the two common causes of pulp nerve damage. Sensitive nerve tissue within the tooth can be damaged by trauma to a tooth. This may be a result of a tooth being struck heavily. Physical irritation stems from the spreading of tooth decay to the nerve. The result is decay and infection as destructive bacteria comes into contact with the nerve.