Dentist reveals – How To Tell If You Have Chronic Tooth Infection

Root canals are needed for a cracked tooth from injury or genetics, a deep cavity, or issues from a previous filling. Patients generally need a root canal when they notice their teeth are sensitive, particularly to hot and cold sensations. 
There are a few symptoms that mean you might need a root canal—
Severe pain while chewing or biting
Pimples on the gums
A chipped or cracked tooth
Lingering sensitivity to hot or cold, even after the sensation has been removed
Swollen or tender gums
Deep decay or darkening of the gumsA root canal (also known as an endodontic treatment) is a serious procedure, but one that specialists handle every day. Before engaging in any type of dental work, it’s important to know the facts about root canals.
What is a Root Canal?