Department of Oral Medicine and Periodontology

Faculty of Dental Sciences

Faculty of Dental Sciences

University of Peradeniya

Prof.Ruwan D. Jayasinghe

Professor in Oral Medicine and Radiology



Official Address :

Department of Oral Medicine and Periodontology
Faculty of Dental Sciences,
University of Peradeniya,
Peradeniya,
Sri Lanka


Email :

ruwanja@pdn.ac.lk


Telephone :

+94-081-2387500


Personal Website :






Professor in Oral Medicine and Radiology Department of Oral Medicine & Periodontology

    BDS Honours (Sri Lanka) 1996-2001 With Distinctions in Biochemistry, General Surgery, Paedodontics & Orthodontics
    MS- Oral Surgery - (Colombo) 2002 - 2007 Post Graduate Institute of Medicine, University of Colombo
    Board certified consultant in Oral and Maxillofacial Surgery from Feb 2007 Diploma in Counseling (Dip. Coun.) -2002
    Certificate in Radiation Protection- A certificate course organized by Radiation protection unit, The University of Hong Kong, Hong Kong
    Professor in Oral Medicine and Radiology from 4th June 2015
    Senior Lecturer Grade I in the Dept. of Oral Medicine and Periodontology, Faculty of Dental Sciences, University of Peradeniya from Feb 2012
    Senior Lecturer Grade II in the Dept. of Oral Medicine and Periodontology, Faculty of Dental Sciences, University of Peradeniya from Feb 2007 to Feb 2012
    Honorary Research Associate at the Oral Radiology Unit, Faculty of Dentistry, The University of Hong Kong 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
    Senior Registrar (PGIM Trainee) in Oral Surgery including Oral and Maxillofacial Surgery at the Department of Oral and Maxillofacial Surgery, Faculty of Dental Sciences, University of Peradeniya, Onco-Surgery at the Onco-Surgical Unit, General Hospital, Kandy and Radiology from 01-03-2005 at Faculty of Dental Sciences, University of Peradeniya
    Registrar (PGIM Trainee) in Oral Surgery at Faculty of Dental Sciences, University of Peradeniya, Teaching Hospital Kandy, National Hospital Colombo, Cancer Institute, Maharagama
    Lecturer (Probationary), Department of Oral Medicine and periodontology, Faculty of Dental Sciences, University of Peradeniya from Sep. 2001
    Temporary Lecturer in Oral Pathology, Department of Oral Pathology, Faculty of Dental Sciences, University of Peradeniya from Feb. 2001 to Sep. 2001
    Head, Department of Oral Medicine and Periodontology, Faculty of Dental Sciences, University of Peradeniya from 07-08-2013
    Director- Centre for Research in Oral Cancer, Faculty of Dental Sciences, University of Peradeniya from September 2015
    Secretary- Centre for Research in Oral Cancer, Faculty of Dental Sciences, University of Peradeniya 2014-2015
    Chairman- Organizing Committee of the 2nd International Congress on Oral Cancer, Smokeless Tobacco and Areca nut- 2nd July 2016, Kandy, Sri Lanka
    Secretary/ Organizing Committee, International Conference on Smokeless Tobacco, Areca Nut (ICOC) 8th and 9th August 2014, Kandy, Sri Lanka, Jointly organized by the Centre for Research in Oral Cancer, Faculty of Dental Sciences, University of Peradeniya, National Cancer Control Programme, Ministry of Health, Sri Lanka, World Health Organization and Yonsei University, Korea
    Clinical Coordinator- Faculty of Dental Sciences from August 2015
    Senior Student Councilor, Faculty of Dental Sciences, University of Peradeniya 2008, 2013 and 2014
    Proctor, University of Peradeniya from 1-10-2011to 31-3-2012
    Deputy Proctor, Faculty of Dental Sciences, University of Peradeniya for the year 2009, 2010 and 2011
    Head, Department of Radiography and Radiotherapy, Faculty of Allied Health Sciences from 26-12-2011to 07/8/21013
    Oral Potentially Malignant Disorders and Oral Cancer
    Oro-facial Pain
    Cone Beam CT
    Dental Radiography
    Vice President- College of Dentistry and Stomatology of Sri Lanka 2013-14
    Vice President- Sri Lanka Dental Association 2014-2015 and 2015-16
    President Elect- College of Dentistry and Stomatology of Sri Lanka 2014-15
    Chairman- Scientific Committee, Annual Academic Sessions of the College of Dentistry and Stomatology of Sri Lanka March 2015
    Chairman- Organizing Committee World Oral Health day celebrations 2015- jointly organized by the Sri Lanka Dental Association, Ministry of Health,Faculty of Dental Sciences, Ministry of Education and Uniliver Sri Lanka, 20th March 2015
    Co- Chairman (Scientific Committee)- FDI/ CDA/ SLDA joint International Conference and 80th anniversary annual scientific sessions of Sri Lanka Dental Association June 2013, Colombo
    Member- International Association of Study of Pain
    Board Member- Asian Association of Oral and Maxillofacial Radiology 2013
    President- College of Dentistry and Stomataology of Sri Lanka 2015-16
  • A comparison of health state utility values associated with oral potentially malignant disorders and oral cancer in Sri Lanka assessed using the EQ-5D-3L and the EORTC-8D Sanjeewa Kularatna, Jennifer A. Whitty, Newell W. Johnson, Ruwan Jayasinghe, Paul A. Scuffham Health and Quality of Life Outcomes 2016; 14: 101 DOI 10.1186/s12955-016-0502-y

  • Clinically malignant exophytic lesions in the background of oral submucous fibrosis; report of 5 casesL.A.H Jayasinghe, P.M. Peiris, W.M. Tilakaratne, A.M. Attygalla, R.D. Jayasinghe, M.A.M. Sitheeque and B.S.M.S. Siriwardena, Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology (In Press)DOI: http://dx.doi.org/10.1016/j.oooo.2016.06.001

  • Intraleasional corticosteorids as a treatment in restricted mouth opening in oral submucous fibrosis Ekanayake R, Jayasinghe RD, Herath M, Sitheeque MAM, Amarasinghe H and Tilakaratne WM Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology (in press) DOI:http://dx.doi.org/10.1016/j.oooo.2015.11.023

  • Level of awareness of oral cancer and oral potentially malignant disorders among medical and dental undergraduates of the University of Peradeniya Jayasinghe RD, Givanthika Sherminie LP, Amarasinghe H and Sitheeque MAM Ceylon Medical Journal 2016; 61:77-79 DOI:http://doi.org/10.4038/cmj.v61i2.8289

  • Intraleasional corticosteorids as a treatment in restricted mouth opening in oral submucous fibrosis Ekanayake R, Jayasinghe RD, Herath M, Sitheeque MAM, Amarasinghe H and Tilakaratne WM Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology (in press) DOI: http://dx.doi.org/10.1016/j.oooo.2015.11.023

  • Reject Analysis of Intra-Oral Periapical (IOPA) Radiographs of Department of Radiology, Dental Teaching Hospital, Peradeniya, Sri Lanka WM Ediri Arachchi, WMDTM Chandrasena, R Tudugala and RD Jayasinghe Proceedings of 8th International Research Conference of KDU, August 2015, pp 62-65

  • Incidental and Anatomical Findings in the Maxillary Antrum Identiļ¬ed on CBCT Scans- A Retrospective Study.Ruwan Duminda Jayasinghe, Rasika Manori Jayasinghe International Dental Journal 2015; 65 (Suppl. 2): pp 49

  • 2. Parental Knowledge, Attitudes and Awareness on Dental Radiography for Children Asanka Senevirathna, Ruwan Duminda Jayasinghe International Dental Journal 2015; 65 (Suppl. 2): pp 48

  • Comparison of Tacrolimus 0.1% and Clobetasol 0.05% in the Management of Symptomatic Oral Lichen Planus: A Randomized Double Blind Trial in a Tertiary Care Centre P.V.K.S. Hettiarachchi, R.D. Jayasinghe and M.A.M. Sitheeque Peradeniya University International Research Sessions (iPURSE) November 2015

  • Evaluation of Root and Root Canal Morphology of Permanent First and Second Mandibular Molars Using Cone Beam Computed Tomography (CBCT) In a Sri Lankan Population P.K.Jayasundara,R.D. Jayasinghe, M.C.N. Fonseka and K.A. Wettasinghe Peradeniya University International Research Sessions (iPURSE) November 2015