Photodynamic therapy in endodontics

Gianluca Plotino, Nicola Maria Grande, G. Plotino, M. Mercade

Risultato della ricerca: Contributo in rivistaArticolo in rivista

34 Citazioni (Scopus)


Photodynamic therapy (PDT) is a treatment modality that was initiated in 1900; however, it was not until the last decade that PDT regained attention for its several favourable features during the treatment of microbial infections in endodontics. Recently, several papers advocated its use for root canal treatment. The concept of photodynamic inactivation requires microbial exposure to either exogenous or endogenous photosensitizer molecules, followed by visible light energy, typically wavelengths in the red/near-infrared region that cause the excitation of the photosensitizers resulting in the production of singlet oxygen and other reactive oxygen species that react with intracellular components and consequently produce cell inactivation and death. Recently, PDT has been suggested as a promising effective adjunct to standard antimicrobial intracanal cleaning and shaping for the treatment of periapical lesions. Current publications tested PDT in terms of bacterial load reduction in vivo, in vitro and ex vivo, showing promising results. The purpose of this article was to review the existing literature on PDT in the endodontic field regarding its mechanism of action, photosensitizers and light sources, limitations and clinical procedures. Although positive results have been demonstrated in vitro, there are considerably fewer in vivo investigations. In conclusion, more in vivo studies are needed on the use of antimicrobial PDT in root canal treatment.
Lingua originaleEnglish
pagine (da-a)760-774
Numero di pagine15
RivistaInternational Endodontic Journal
Stato di pubblicazionePubblicato - 2019
Pubblicato esternamente


  • Dental Pulp Cavity
  • Endodontics
  • Photochemotherapy
  • Photosensitizing Agents
  • Root Canal Therapy
  • antimicrobial
  • endodontics
  • photodynamic therapy
  • root canal disinfection


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