Corrigendum to "Is a single session of antimicrobial photodynamic therapy as an adjuvant to non-surgical scaling and root planing effective in reducing periodontal inflammation and subgingival presence of Porphyromonas gingivalis and Aggregatibacter actinomycetemcomitans in patients with periodontitis?" [Photodiagnosis Photodyn Ther. 2022 Mar 31; 38:102847].