Large cavity or missing tooth structure.

Pain to sweet food or drink high in sugar or carbohydrates.

Pain to biting or tapping pressure localized to a single tooth.

Moderate to strong painful response to cold or heat that lingers for several seconds or longer after the stimulus has been removed.

Pain that requires taking anti-inflammatories on a regular basis to stay comfortable.

Spontaneous pain that localizes to a tooth.

Swelling in the gums or jaw next to a tooth.

Draining “pimple” next to the tooth in the gums.

Discoloration of an individual tooth.

Your general dentist referred you to an endodontist (root canal specialist) for a root canal previously because they saw a problem even though you are asymptomatic right now.