Abstract
Apical periodontitis (AP) is caused by an infection in the root canal system caused by exposure of the pulp by caries, trauma or tooth wear. Smoking is considered a risk factor for periodontal disease and has been associated with failures in endodontic treatments and high prevalence of AP. Omega-3 fatty acids (É-3 PUFAs) have been used as an adjuvant therapy in the treatment of systemic a…