Adjunctive antimicrobial photodynamic therapy in the nonsurgical treatment of periodontitis: an umbrella review

Aim

Antimicrobial photodynamic therapy (aPDT) has been proposed as a locally acting adjunct to subgingival instrumentation for periodontitis. This umbrella review aimed to synthesize and critically appraise systematic reviews of adjunctive aPDT during active nonsurgical periodontal therapy, with emphasis on methodological confidence, clinical importance, and overlap of the evidence base.