What is periapical periodontitis?

Periapical periodontitis is an inflammatory disease that occurs around the root of a tooth. It is often secondary to pulpal disease. Periapical tissue is located around the root of a tooth. The pulp tissue inside the tooth passes through the apical foramen into the alveolar bone. When there is inflammation in the pulp, inflammatory substances cannot overflow from the tooth defect, and overflow from the apical foramen, causing inflammation of the periapical tissue. Periapical periodontitis is mainly characterized by tooth bite pain, gum swelling, and gingival sinus pus overflow. Root canal therapy is used to treat periapical periodontitis. Root canal therapy is used to treat periapical periodontitis. Root canal therapy is used to treat periapical periodontitis.