Abstract
Apical periodontitis (AP) is caused by an inflammation of the periradicular tissues after bacterial contamination of the root canal system by pulp exposure by caries, trauma or tooth wear. Smoking has been associated with an increase in the prevalence of apical periodontitis and failures in endodontic treatments. Omega-3 fatty acids (É-3 PUFAs) are recommended as an adjuvant therapy to co…