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, 34 (8), 1527-1534

Photodynamic Antimicrobial Chemotherapy Has an Overt Killing Effect on Periodontal Pathogens? A Systematic Review of Experimental Studies

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Photodynamic Antimicrobial Chemotherapy Has an Overt Killing Effect on Periodontal Pathogens? A Systematic Review of Experimental Studies

Daniele Peron et al. Lasers Med Sci.

Abstract

The periodontal disease (PD) etiology is mainly associated with some bacterial strains, such as Porphyromonas gingivalis (P. gingivalis). Nonsurgical root scaling (e.g., antibiotics) may achieve a temporary decrease in the P. gingivalis level, yet it cannot eradicate the microorganism. Moreover, antibiotics can lead to bacterial resistance and undesirable side effects. This systematic review was performed to identify animal data defining antimicrobial photodynamic therapy (PACT) role on experimental PD models in the treatment of P. gingivalis. Embase, MEDLINE, and PubMed were examined for studies published from January 1980 to August 2018. MeSH terms and Scopus data were used to find more related keywords. Four studies were selected and reviewed by two independent researches with a structured tool for rating the research quality. The beneficial effect of PACT included reductions in P. gingivalis counts, bleeding on probing, redness, and inflammation on multiple sites (i.e., first molar, dental implants; subgingival; and mandibular premolars). Although our results suggest that PACT displays antimicrobial action on P. gingivalis, thus improving the PD, a nonuniformity in the PACT protocol and the limited number of studies included lead to consider that the bactericidal efficacy of PACT against periodontal pathogens in PD remains unclear.

Keywords: Antimicrobial photodynamic chemotherapy; Antimicrobial photodynamic therapy; P. gingivalis; Photo-activated disinfection; Photodynamic therapy; Phototherapy; Porphyromonas gingivalis.

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