Dentist reveals – How To Tell If You Have Chronic Tooth Infection By rjoachim | October 31, 2022 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 bitingPimples on the gumsA chipped or cracked toothLingering sensitivity to hot or cold, even after the sensation has been removedSwollen or tender gumsDeep 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? Posted in Health & Wellness