Tooth pain for three months may be caused by pulpitis, periapical inflammation, dentin sensitivity and so on, as follows.
1. Pulpitis: high pressure in the pulp cavity caused by pulp inflammation and chemical stimulation of inflammatory factors can lead to spontaneous tooth pain, which is triggered or aggravated by hot and cold stimuli.
2. Periapical inflammation: Inflammation is located in the periapical tissues, causing occlusal pain in the affected teeth, with a history of hot and cold stimulation pain.
3. Dentin sensitivity: due to wear and tear, wedge-shaped defects, etc., resulting in dentin exposure, teeth can be subjected to hot, cold, acidic and sweet stimulation or mechanical stimulation of pain symptoms.
Tooth pain for three months may have other reasons, it is recommended to go to the hospital in a timely manner, to clarify the cause of the disease for targeted treatment.