Department of Oral Medicine and Periodontology

Faculty of Dental Sciences

Faculty of Dental Sciences

University of Peradeniya

Prof RD Jayasinghe

Chair Professor of Oral Medicine and Periodontology



Room No.B144,Building B
Faculty of Dental Sciences,
University of Peradeniya,
Peradeniya,
Sri Lanka


ruwanja@dental.pdn.ac.lk


+94-081-2387458
+94-077-7373689





    Chair Professor of Oral Medicine and Periodontology and Specialist in OMF Surgery
    Department of Oral Medicine & Periodontology
  • BDS Honours (Sri Lanka) 1996-2001

  • MS- Oral Surgery - (Colombo) 2002 – 2007, Post Graduate Institute of Medicine with board certification as a specialist in Oral Surgery in 2007

  • FDS RCPS (Glasg)- Fellow of the Faculty of Dental Surgery, Royal College of Surgeons and Physicians of Glasgow

  • Fellow- Craniofacial Research Academy

  • Chair Professor of Oral Medicine and Periodontology form 26-08-2018
  • Professor in Oral Medicine and Radiology from 4th June 2015
  • Senior Lecturer Grade I from Feb 2012 -2015
  • Senior Lecturer Grade II Feb 2007 to Feb 2012
  • Honorary Research Associate at the Oral Radiology Unit, Faculty of Dentistry, The University of HongKong from 11- Nov 2006 to 5- Nov 2007
  • Research assistant and casual academic staff member- School of Dentistry and Oral Health, University of Griffith, Gold Coast, Australia June- August 2010
  • Lecturer- from Sep 2021
  • KSM Health Research Prize oration 2020
  • President’s Award for Scientific Publication 2015
  • President’s Award for Scientific Publication 2014
  • NRC merit award for Scientific Publication 2016
  • Certificate of recognition for the commendable contribution in research (Tier I) in the Faculty of Dental Sciences for the year 2019, 2020, 2021 awarded by the Faculty of Dental Sciences, University of Peradeniya
  • Certificate of recognition for the commendable contribution in research (senior category) in the Faculty of Dental Sciences for the year 2018 awarded by the Faculty of Dental Sciences, University of Peradeniya

  • Adjunct faculty in the department of Oral Medicine and Periodontology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Chennai, lndia
  • Director- Centre for Research in Oral Cancer, Faculty of Dental Sciences, University of Peradeniya
  • Director- Director, Operational Technical Secretariat (OTS) University of Peradeniya, AHEAD Operations
  • Head, Department of Oral Medicine and Periodontology, Faculty of Dental Sciences, University of Peradeniya from August 2013 to August 2016
  • Head, Department of Radiography and Radiotherapy, Faculty of Allied Health Sciences from 26-12-2011to 07/8/21013
  • Member, Management Committee, University Research Council, University of Peradeniya
  • Member/ Research Committee of the China Sri Lanka Joint Research and Demonstration Centre for Water Technology (JDRC) University of Peradeniya from 1st April 2022
  • Board member, Board of Study in Dental Surgery form January 2011 to May 2012 and from 1st June 2015 to 20th June 2018 and from 21st June 2018 to 1st March 2019
  • Secretary- Specialty Board in Oral Pathology, Post Graduate Institute of Medicine, University of Colombo from February 2009-2012 and 2012-2015 and from July 2015 to September 2018
  • Member, Specialty Board in Oral and Maxillofacial surgery
  • Member, Specialty Board in Oral Pathology October 2019 to July 2022
  • President- College of Dentistry and Stomataology of Sri Lanka 2015-16
  • President- Sri Lanka Society of Oral Medicine and Oral Pathology
  • Member- Research Council of the National Institute of Fundamental Studies from November 2015 to 2021
  • Member, Subcommittee on Smokeless Tobacco, National Authority on Tobacco and Alcohol (NATA) Sri Lanka from August 2017- November 2019
  • Member of Technical Advisory Committee on Cancer Registration and Research, National cancer Control Program, Ministry of Health, Sri Lanka

  • Oral cancer
  • Oral Potentially Malignant Disorders (OPMDs)
  • Forensic Odontology, Artificial Intelligence



  • --Research Profile--
  • Controversies in Verruco Papillary Lesions of the Oral Cavity - A Systematic Review Pilana Vithanage Kalani Shihanika Hettiarachchi, Nadisha Piyarathne, Bogahawatte Samarakoon Mudiyanselage Samadarani Siriwardena, Ruwan Duminda Jayasinghe, Sriyani Perera, Wanninayake Mudiyanselage Tilakaratne
  • Oral Diseases 2022; 00, 1–12. https://doi.org/10.1111/ odi.14306
  • Image collection and annotation platforms to establish a multi-source database of oral lesions. Rajendran S, Lim JH, Yogalingam K, Kallarakkal TG, Zain RB, Jayasinghe RD, Rimal J, Kerr AR, Amtha R, Patil K, Welikala RA, Lim YZ, Remagnino P, Gibson J, Tilakaratne WM, Liew CS, Yang YH, Barman SA, Chan CS, Cheong SC. Oral Dis. 2022 Apr 10. doi: 10.1111/odi.14206. Epub ahead of print. PMID: 35398971.
  • Barriers to early detection and management of oral cancer in low- and middle-income developing countries Ng, Sin Wi; Syed Mohd Sobri, Sharifah Nur Syamim; Mohd Zain, Rosnah; Kallarakkal, Thomas George; Amtha, Rahmi; Wong, Felix Anthony Wiranata; Rimal, Jyotsna; Durward, Callum; Chea, Chanbora; Jayasinghe, Ruwan D; Vatanasapt, Patravoot; Ibrahim Tamin, Nor Saleha; Cheng, Lai Choo; Abdul Rahman, Zainal Ariff; Ismail, Siti Mazlipah; Tepirou, Chher; Rajendran, Senthilmani; Kanapathy, Jananezwary; Liew, Chee Sun; Cheong, Sok Ching

  • Journal of Health Services Research & Policy. 2022 Apr;27(2):133-40.
  • Economic cost of managing patients with oral potentially malignant disorders (OPMDs) in Sri Lanka. Amarasinghe, Hemantha; Jayasinghe, Ruwan; Dharmagunawardene, Dilantha; Attygalla, Manjula; Kularatna, Sanjeewa and Johnson, Newell. Community Dentistry and Oral Epidemiology. Community Dent Oral Epidemiol. 2021;00:1–6. DOI: 10.1111/cdoe.12639
  • Automated Detection and Classification of Oral Lesions using Deep Learning for Early Detection of Oral Cancer. Welikala, Roshan, Remagnino Paolo, Lim, Jian, Chan, Chee Seng, Rajendran, Senthilmani, Kallarakkal, Thomas, Zain, Rosnah, Jayasinghe, Ruwan, Rimal, Jyotsna, Kerr, Alexander, Amtha, Rahmi, Patil, Karthikeya, Tilakaratne, Wanninayake, Gibson, John, Cheong, Sok, Barman, Sarah IEEE Access Volume 8; 2020, DOI- 10.1109/ACCESS.2020.3010180