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Arshad M, Joshan F, Chiniforush N, Afrasiabi S. Comparative study of the effect of different exposure parameters of 635nm diode laser and toluidine blue O in eliminating Aggregatibacter actinomycetemcomitans biofilm from titanium implant surfaces. Photodiagnosis Photodyn Ther 2024; 45:104012. [PMID: 38346465 DOI: 10.1016/j.pdpdt.2024.104012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 02/08/2024] [Accepted: 02/09/2024] [Indexed: 02/15/2024]
Abstract
BACKGROUND The aim of this study was to investigate the effects of antimicrobial photodynamic therapy (PDT) using 635 nm diode laser irradiation with an energy density of 6 to 30 J/cm2 and toluidine blue O (TBO) as a photosensitizer on the viability of Aggregatibacter actinomycetemcomitans attached to the surface of titanium implants. MATERIALS AND METHODS Titanium implants contaminated with A. actinomycetemcomitans were treated with TBO alone or in combination with different exposure parameters (light doses of 6 - 30 J/cm2 at 635 nm) and 0.2 % chlorhexidine (CHX). After treatment, colony forming units (CFUs)/ml were determined to assess PDT efficacy. The structure of the biofilm of A. actinomycetemcomitans was analyzed by field emission scanning electron microscopy (FESEM). RESULTS Under optimal conditions, the colony count was reduced by ∼90 %. Treatment with CHX was somewhat more effective (colony formation was reduced by ∼95 %), but this agent has adverse effects that can be avoided with PDT. CONCLUSION This study confirms the efficacy of PDT against A. actinomycetemcomitans depending on the light dose. Treatment with TBO + 635 nm diode laser has an effect that may be equivalent to that of CHX, but perhaps with fewer adverse effects.
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Affiliation(s)
- Mahnaz Arshad
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran; Department of Prosthodontics, School of Dentistry, International Campus, Tehran University of Medical Sciences, Tehran, Iran
| | - Faraz Joshan
- International Campus, Tehran University of Medical Sciences, Tehran, Iran
| | - Nasim Chiniforush
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Viale Benedetto XV, Genoa, Italy.
| | - Shima Afrasiabi
- Laser Research Center of Dentistry, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran, Iran.
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Afrasiabi S, Benedicenti S, Signore A, Arshad M, Chiniforush N. Simultaneous Dual-Wavelength Laser Irradiation against Implant-Adherent Biofilms of Staphylococcus aureus, Escherichia coli, and Candida albicans for Improved Antimicrobial Photodynamic Therapy. Bioengineering (Basel) 2024; 11:48. [PMID: 38247925 PMCID: PMC10813184 DOI: 10.3390/bioengineering11010048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Revised: 12/28/2023] [Accepted: 12/30/2023] [Indexed: 01/23/2024] Open
Abstract
The efficiency of antimicrobial photodynamic therapy (PDT) might be improved by using multiple wavelengths. This study investigates the sensitivity of implant-adherent biofilms of Staphylococcus aureus, Escherichia coli, and Candida albicans to indocyanine green (ICG)-808 nm diode laser, toluidine blue O (TBO)-635 nm diode laser, and hydrogen peroxide (HP)-980 nm diode laser and their combination when irradiated with dual-wavelength laser irradiation (simultaneously 980-635 nm or 980-808 nm). After an incubation period of 72 h, the infected implants were randomly divided into seven different treatment modalities: Control, HP, HP-PDT, TBO-PDT, HP-TBO-PDT, ICG-PDT, and HP-ICG-PDT. After the treatments, the colony-forming units (CFUs)/mL and reactive oxygen species (ROS) generation were determined. All evaluated disinfection methods were significantly effective against the three investigated bacteria compared to the control. The combined treatment of HP-ICG-PDT or HP-TBO-PDT had the greatest antibacterial effect compared to each treatment alone. There were statistical differences between HP-ICG-PDT and ICG-PDT or HP-TBO-PDT and TBO-PDT for all three bacteria studied. PDT with simultaneous dual-wavelength laser irradiation is an efficient strategy to improve the therapeutic effect of PDT.
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Affiliation(s)
- Shima Afrasiabi
- Laser Research Center of Dentistry, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran 1441987566, Iran;
| | - Stefano Benedicenti
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Viale Benedetto XV, 6, 16132 Genoa, Italy;
| | - Antonio Signore
- Therapeutic Dentistry Department, Institute of Dentistry, I.M. Sechenov First Moscow State Medical University, Trubetskaya Str. 8, b. 2, 119992 Moscow, Russia;
| | - Mahnaz Arshad
- Dental Research Center, Dentistry Research Institute, Tehran University of Medical Sciences, Tehran 1441987566, Iran;
- Department of Prosthodontics, School of Dentistry, International Campus, Tehran University of Medical Sciences, Tehran 1441987566, Iran
| | - Nasim Chiniforush
- Department of Surgical Sciences and Integrated Diagnostics, University of Genoa, Viale Benedetto XV, 6, 16132 Genoa, Italy;
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Takahashi T, Sato F, Shinkai K. The Effects of Antimicrobial Photodynamic Therapy Used to Sterilize Carious Dentin on Rat Dental Pulp Tissue. Dent J (Basel) 2023; 11:283. [PMID: 38132421 PMCID: PMC10743003 DOI: 10.3390/dj11120283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 11/28/2023] [Accepted: 12/04/2023] [Indexed: 12/23/2023] Open
Abstract
Antimicrobial photodynamic therapy (aPDT) used to sterilize carious dentin may irritate pulp tissues because of tissue-penetrating laser and singlet oxygen generation. This study aimed to assess the effects of aPDT on rat pulp tissues. A cavity formed in a rat maxillary first molar was treated with aPDT. The combined photosensitizer and laser irradiation conditions in the aPDT groups were as follows: methylene blue and 100 mW for 60 s, brilliant blue (BB) and 100 mW for 60 s, BB and 50 mW for 120 s, and BB and 200 mW for 30 s. Each cavity was treated with an all-in-one adhesive and filled with flowable resin. aPDT was not applied for the control. In each group, the rats were sacrificed on postoperative days 1 and 14, and thin sections of the treated teeth were prepared. Pulp tissue disorganization (PTD), inflammatory cell infiltration (ICI), and tertiary dentin formation (TDF) were evaluated. At 1-day evaluation, there were significant differences between the aPDT group and controls with respect to PTD and ICI (p < 0.01); 14 days later, almost all specimens showed tertiary dentin formation. The application of aPDT caused reversible damage to the rat pulp, while in the long term, healing occurred with the formation of tertiary dentin.
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Affiliation(s)
- Tenyu Takahashi
- Advanced Operative Dentistry-Endodontics, The Nippon Dental University Graduate School of Life Dentistry at Niigata, 1-8 Hamaura-cho, Chuo-ku, Niigata 951-8580, Japan;
| | - Fumiaki Sato
- Department of Operative Dentistry, The Nippon Dental University School of Life Dentistry at Niigata, 1-8 Hamaura-cho, Chuo-ku, Niigata 951-8580, Japan;
| | - Koichi Shinkai
- Advanced Operative Dentistry-Endodontics, The Nippon Dental University Graduate School of Life Dentistry at Niigata, 1-8 Hamaura-cho, Chuo-ku, Niigata 951-8580, Japan;
- Department of Operative Dentistry, The Nippon Dental University School of Life Dentistry at Niigata, 1-8 Hamaura-cho, Chuo-ku, Niigata 951-8580, Japan;
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Meerovich GA, Akhlyustina EV, Romanishkin ID, Makarova EA, Tiganova IG, Zhukhovitsky VG, Kholina EG, Kovalenko IB, Romanova YM, Loschenov VB, Strakhovskaya MG. Photodynamic inactivation of bacteria: Why it is not enough to excite a photosensitizer. Photodiagnosis Photodyn Ther 2023; 44:103853. [PMID: 37863377 DOI: 10.1016/j.pdpdt.2023.103853] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Revised: 10/16/2023] [Accepted: 10/17/2023] [Indexed: 10/22/2023]
Abstract
BACKGROUND The development of multidrug resistance (MDR) in infectious agents is one of the most serious global problems facing humanity. Antimicrobial photodynamic therapy (APDT) shows encouraging results in the fight against MDR pathogens, including those in biofilms. METHODS Photosensitizers (PS), monocationic methylene blue, polycationic and polyanionic derivatives of phthalocyanines, electroneutral and polycationic derivatives of bacteriochlorin were used to study photodynamic inactivation of Gram-positive and Gram-negative planktonic bacteria and biofilms under LED irradiation. Zeta potential measurements, confocal fluorescence imaging, and coarse-grained modeling were used to evaluate the interactions of PS with bacteria. PS aggregation and photobleaching were studied using absorption and fluorescence spectroscopy. RESULTS The main approaches to ensure high efficiency of bacteria photosensitization are analyzed. CONCLUSIONS PS must maintain a delicate balance between binding to exocellular and external structures of bacterial cells and penetration through the cell wall so as not to get stuck on the way to photooxidation-sensitive structures of the bacterial cell.
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Affiliation(s)
- Gennady A Meerovich
- Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, Russia; National Research Nuclear University "MEPhI", Moscow 115409, Russia
| | | | - Igor D Romanishkin
- Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, Russia.
| | | | - Irina G Tiganova
- Gamaleya National Research Centre for Epidemiology and Microbiology, Moscow 123098, Russia
| | - Vladimir G Zhukhovitsky
- Gamaleya National Research Centre for Epidemiology and Microbiology, Moscow 123098, Russia; Ministry of Public Health of the Russian Federation, Russian Medical Academy of Continuing Professional Education (RMANPO), Moscow 125993, Russia
| | | | - Ilya B Kovalenko
- Lomonosov Moscow State University, Moscow 119234, Russia; Federal Scientific and Clinical Center of Specialized Types of Medical Care and Medical Technologies of the Federal Medical and Biological Agency of Russia, Moscow 115682, Russia
| | - Yulia M Romanova
- Gamaleya National Research Centre for Epidemiology and Microbiology, Moscow 123098, Russia
| | - Victor B Loschenov
- Prokhorov General Physics Institute of the Russian Academy of Sciences, Moscow 119991, Russia; National Research Nuclear University "MEPhI", Moscow 115409, Russia
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Jao Y, Ding SJ, Chen CC. Antimicrobial photodynamic therapy for the treatment of oral infections: A systematic review. J Dent Sci 2023; 18:1453-1466. [PMID: 37799910 PMCID: PMC10548011 DOI: 10.1016/j.jds.2023.07.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 06/30/2023] [Indexed: 10/07/2023] Open
Abstract
Oral infection is a common clinical symptom. While antibiotics are widely employed as the primary treatment for oral diseases, the emergence of drug-resistant bacteria has necessitated the exploration of alternative therapeutic approaches. One such modality is antimicrobial photodynamic therapy (aPDT), which utilizes light and photosensitizers. Indeed, aPDT has been used alone or in combination with other treatment options dealing with periodontal disease for the elimination of biofilms from bacterial community to achieve bone formation and/or tissue regeneration. In this review article, in addition to factors affecting the efficacy of aPDT, various photosensitizers, the latest technology and perspectives on aPDT are discussed in detail. More importantly, the article emphasizes the novel design and clinical applications of photosensitizers, as well as the synergistic effects of chemical and biomolecules with aPDT to achieve the complete eradication of biofilms and even enhance the biological performance of tissues surrounding the treated oral area.
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Affiliation(s)
- Ying Jao
- Institute of Oral Science, Chung Shan Medical University, Taichung, Taiwan
| | - Shinn-Jyh Ding
- Institute of Oral Science, Chung Shan Medical University, Taichung, Taiwan
- Department of Stomatology, Chung Shan Medical University Hospital, Taichung, Taiwan
| | - Chun-Cheng Chen
- Department of Stomatology, Chung Shan Medical University Hospital, Taichung, Taiwan
- School of Dentistry, Chung Shan Medical University, Taichung, Taiwan
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Sologova D, Petukhova M, Podoplelova P, Davletshin D, Firsova A, Grishin A, Grin M, Suvorov N, Vasil’ev Y, Dydykin S, Rysanova E, Shchelkova V, Tarasenko S, Diachkova E. Effectiveness of Photodynamic Therapy as Antiseptic Measure for Oral Cavity and Pharynx: A Systematic Review. Dent J (Basel) 2023; 11:192. [PMID: 37623288 PMCID: PMC10453266 DOI: 10.3390/dj11080192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 07/31/2023] [Accepted: 08/09/2023] [Indexed: 08/26/2023] Open
Abstract
BACKGROUND The complex traditional treatment of inflammation diseases in oral cavity includes the prescription of antibiotic and antiseptic therapy. This systematic review aims to evaluate the effect of photodynamic therapy as a part of management of inflammatory diseases in oral cavity; Methods: The study is presented in accordance with the preferred reporting points for systematic reviews and meta-analyses (PRISMA). This systematic review was conducted using electronic databases such as Medline PubMed, Scopus and the Cochrane Central Register of Controlled Trials. All the studies in this systematic review, were randomized, the risk of bias 2 (ROB 2) were assessed; Results: Considering the inclusion and exclusion criteria, we included 10 randomized clinical trials, published up to 2023 investigating the application of photodynamic therapy as a part of management of inflammatory diseases in oral cavity. The diode laser was used in the oral cavity in the zone of inflammatory process (gingivitis, mucositis, periimplantitis, marginal periodontitis, abscess, periostitis, osteomyelitis etc.) in nine studies or in the zone before surgical procedures in one study; Conclusion: Based on the results of clinical studies, it can be stated that photodynamic therapy shows good results for operations performed in the oral cavity and pharynx.
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Affiliation(s)
- Diana Sologova
- Department of Oral Surgery of the Institute of Dentistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119048 Moscow, Russia; (M.P.); (P.P.); (D.D.); (A.F.); (S.T.); (E.D.)
| | - Marina Petukhova
- Department of Oral Surgery of the Institute of Dentistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119048 Moscow, Russia; (M.P.); (P.P.); (D.D.); (A.F.); (S.T.); (E.D.)
| | - Polina Podoplelova
- Department of Oral Surgery of the Institute of Dentistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119048 Moscow, Russia; (M.P.); (P.P.); (D.D.); (A.F.); (S.T.); (E.D.)
| | - Dinislam Davletshin
- Department of Oral Surgery of the Institute of Dentistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119048 Moscow, Russia; (M.P.); (P.P.); (D.D.); (A.F.); (S.T.); (E.D.)
| | - Anna Firsova
- Department of Oral Surgery of the Institute of Dentistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119048 Moscow, Russia; (M.P.); (P.P.); (D.D.); (A.F.); (S.T.); (E.D.)
| | - Andrey Grishin
- Maxillofacial Surgery Department, I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya Street 8\2, 119991 Moscow, Russia;
| | - Mikhail Grin
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia; (M.G.); (N.S.)
| | - Nikita Suvorov
- Department of Chemistry and Technology of Biologically Active Compounds, Medicinal and Organic Chemistry, Institute of Fine Chemical Technologies, MIREA-Russian Technological University, 86 Vernadsky Avenue, 119571 Moscow, Russia; (M.G.); (N.S.)
| | - Yuriy Vasil’ev
- Department of Operative Surgery and Topographic Anatomy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya Street bldg. 8\2, 119435 Moscow, Russia; (Y.V.); (S.D.)
| | - Sergey Dydykin
- Department of Operative Surgery and Topographic Anatomy, I.M. Sechenov First Moscow State Medical University (Sechenov University), Trubetskaya Street bldg. 8\2, 119435 Moscow, Russia; (Y.V.); (S.D.)
| | - Elena Rysanova
- Moscow Regional Research and Clinical Institute, Street Schepkina 61/2, 129110 Moscow, Russia; (E.R.); (V.S.)
| | - Victoria Shchelkova
- Moscow Regional Research and Clinical Institute, Street Schepkina 61/2, 129110 Moscow, Russia; (E.R.); (V.S.)
| | - Svetlana Tarasenko
- Department of Oral Surgery of the Institute of Dentistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119048 Moscow, Russia; (M.P.); (P.P.); (D.D.); (A.F.); (S.T.); (E.D.)
| | - Ekaterina Diachkova
- Department of Oral Surgery of the Institute of Dentistry, I.M. Sechenov First Moscow State Medical University (Sechenov University), 119048 Moscow, Russia; (M.P.); (P.P.); (D.D.); (A.F.); (S.T.); (E.D.)
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Gholami L, Shahabi S, Jazaeri M, Hadilou M, Fekrazad R. Clinical applications of antimicrobial photodynamic therapy in dentistry. Front Microbiol 2023; 13:1020995. [PMID: 36687594 PMCID: PMC9850114 DOI: 10.3389/fmicb.2022.1020995] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 11/30/2022] [Indexed: 01/07/2023] Open
Abstract
Given the emergence of resistant bacterial strains and novel microorganisms that globally threaten human life, moving toward new treatment modalities for microbial infections has become a priority more than ever. Antimicrobial photodynamic therapy (aPDT) has been introduced as a promising and non-invasive local and adjuvant treatment in several oral infectious diseases. Its efficacy for elimination of bacterial, fungal, and viral infections and key pathogens such as Streptococcus mutans, Porphyromonas gingivalis, Candida albicans, and Enterococcus faecalis have been investigated by many invitro and clinical studies. Researchers have also investigated methods of increasing the efficacy of such treatment modalities by amazing developments in the production of natural, nano based, and targeted photosensitizers. As clinical studies have an important role in paving the way towards evidence-based applications in oral infection treatment by this method, the current review aimed to provide an overall view of potential clinical applications in this field and summarize the data of available randomized controlled clinical studies conducted on the applications of aPDT in dentistry and investigate its future horizons in the dental practice. Four databases including PubMed (Medline), Web of Science, Scopus and Embase were searched up to September 2022 to retrieve related clinical studies. There are several clinical studies reporting aPDT as an effective adjunctive treatment modality capable of reducing pathogenic bacterial loads in periodontal and peri-implant, and persistent endodontic infections. Clinical evidence also reveals a therapeutic potential for aPDT in prevention and reduction of cariogenic organisms and treatment of infections with fungal or viral origins, however, the number of randomized clinical studies in these groups are much less. Altogether, various photosensitizers have been used and it is still not possible to recommend specific irradiation parameters due to heterogenicity among studies. Reaching effective clinical protocols and parameters of this treatment is difficult and requires further high quality randomized controlled trials focusing on specific PS and irradiation parameters that have shown to have clinical efficacy and are able to reduce pathogenic bacterial loads with sufficient follow-up periods.
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Affiliation(s)
- Leila Gholami
- Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, BC, Canada
| | - Shiva Shahabi
- Dental Implants Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Marzieh Jazaeri
- Dental Research Center, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mahdi Hadilou
- Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Reza Fekrazad
- Radiation Sciences Research Center, Laser Research Center in Medical Sciences, AJA University of Medical Sciences, Tehran, Iran,International Network for Photo Medicine and Photo Dynamic Therapy (INPMPDT), Universal Scientific Education and Research Network (USERN), Tehran, Iran,*Correspondence: Reza Fekrazad,
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