Bibliometric analysis on research trends for contribution of photodynamic therapy in periodontitis

•Most of the research publications regarding the role of PDT in periodontitis has emerged during the last decade.•Brazil was the leading country, while institutes from USA contributed substantially in this domain.•High-impact scientific is still limited. The objective of this bibliometric analysis was to ascertain the research trend regarding the application of photodynamic therapy as a treatment modality for periodontal disease. An online search was administered using the Scopus database to retrieve all the relevant research literature published from 2003 till 26th Dec 2022. After applying the inclusion criteria articles pertinent to the topic were manually selected. Data was saved as CSV. Data was read using VOSviewer software and further analysis was performed using Microsoft excel. From a total of 545 articles, 117 scientific papers relevant to the field were evaluated. The keen interest of researchers was identified by an increase in the number of publications over the course of time, with the highest citations n = 827 attained during the year 2009. Brazil, India, and USA made significant contribution by publishing highest number of papers. Organizations from the USA produced the highest publications which attained high citations. Author Sculean A. published the highest number of papers. Journal of periodontology was the leading journal, by publishing highest number of papers (n = 15), followed by Journal of Clinical Periodontology. This bibliometric analysis provided detailed information regarding the total number of publications from 2003 to 2022 and the number of citations attained. Brazil has been identified as the leading country, whilst all the leading organizations which contributed significantly, were from USA. The Journal of Periodontology published the highest number of papers which had been highly cited. Sculean A, affiliated with University of Bern, Switzerland published the highest number of papers.