Faculty of Dental Sciences

University of Peradeniya

Faculty of Dental Sciences

University of Peradeniya

Prof RD Jayasinghe

Chair Professor of Oral Medicine and Periodontology



Official Address :

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


Email :

ruwanja@pdn.ac.lk
ruwanduminda@yahoo.com


Telephone :

+94-081-2387458


Personal Website :






Information on Research & Innovations


    2015
  • Valuing EQ-5D-3L health state weights for Sri Lanka Sanjeewa Kularatna, Jennifer A. Whitty, Newell W. Johnson, Ruwan Jayasinghe, Paul A. Scuffham Qual Life Res. 2015 Jul; 24(7):1785-93. doi: 10.1007/s11136-014-0906-2. Epub 2014 Dec 28.
  • Development of an EORTC-8D utility algorithm for Sri Lanka Sanjeewa Kularatna, Jennifer A. Whitty, Newell W. Johnson, Ruwan Jayasinghe, Paul A. Scuffham Medical Decision Making 2015 April 35 (3): 361-70 DOI: 10.1177/0272989X14559274


  • 2016

  • dentification of a combined biomarker for malignant transformation in oral submucous fibrosis Shadavlonjid Bazarsad, Xianglan Zhang, Ki-Yeol Kim, Rasika Illeperuma, Ruwan D Jayasinghe, Wanninayake M Tilakaratne, Jin Kim
    Journal of Oral Pathology and Medicine 2016 doi: 10.1111/jop.12483
  • 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 cases L.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 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 DOI: http://dx.doi.org/10.1016/j.oooo.2015.11.023
  • Sjogren’s Syndrome: A case Report and review of the literature Gayathry V.A, Siriwardena B.S.M.S and Jayasinghe R.D
    Sri Lanka Dental Journal 2016 Vol 46 issue 3 pp109-115
  • A Case Report on Juvenile Oral Bullous Lichen Planus J.C.M Jayasinghe, B.S.M.S Siriwardena and R.D Jayasinghe
    Sri Lanka Dental Journal 2016 Vol 46 issue 3 pp116-120
  • Development of a Brief Inventory for quality evaluation of panoramic radiographs A.J.S.P. Nileema, D.M.J. Nuwan and R.W. Pallegama and R.D. Jayasinghe
    Sri Lanka Dental Journal 2016, 46 (02) pp 55-62
  • Comparison of 3D alignment of knee between normal and osteoarthritis subjects by measuring the femoral tibial angle (FTA) using, 3D bone model image fitting technique DDN Wimalarathna, J Thiruchelvem and R.D. Jayasinghe
    International Journal of Advanced Research 2016 volume 4 issue 10 pp 2218 to 2223 DOI: 10.21474/IJAR01/2045
  • Plexiform schwannoma: A case report and review of literature YPHC Yagoda, GN Uthpali, RD Jayasinghe and BSMS Siriwardena
    Sri Lanka Dental Journal 2016 vol 46 (1) pp 25-29
  • Evaluation and comparison of thyroid gland receiving surface dose in dental radiography RA Weerasinghe, RD Jayasinghe and S Kulathunga
    The Radiographer. November 2016, Volume 12; pp24-26


  • 2017

  • 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. Jayasundara PK, Fonseka MCN, Wettasinghe KA and Jayasinghe RD
    Sri Lanka Dental Journal 2017 Vol 47 issue 3 pp 81-88
  • An audit to assess the completion of dental radiology request forms in Dental Teaching Hospital, Peradeniya P.V.K.S Hettiarachchi, DPVKW Seneviratne and R.D. Jayasinghe
    Sri Lanka Dental Journal 2017 issue 2; pp3- 9
  • Effect of tooth Loss and denture status on oral health related quality of life in institutionalized older individuals in Sri Lanka R M Jayasinghe,I P Thilakumara, M L Pathirathna, MSM Kularatna and RD Jayasinghe
    Sri Lanka Dental Journal 2017 issue 2; pp 17-22
  • Digital Radiography- an overview. Jayasinghe RD Dentist September 2017 Volume 4; pp 13-17
  • Malignant transformation of Oral Lichen Planus: the first two cases reported in Sri Lanka R M S Himesha B Medawela, D R D L Ratnayake, P R Jayasooriya, B S M S Siriwardena, W M Tilakaratne, R D Jayasinghe
    Sri Lanka Dental Journal 2017 Vol 47 issue 1 pp 28-36
  • Quality evaluation of Intra Oral Periapical radiographs of the Impacted Mandibular Third Molar region D.L.B.O. Abayarathna, K. Ilakkiya,A.J.S.P. Nileema and R.D. Jayasinghe
    The Journal of College of General Dental Practitioners of Sri Lanka February 2017, Vol 34 pp15-21


  • 2018
  • Oropharyngeal epignathus with partial facial duplication: report of a rare case M. Herath, B. S. M. S. Siriwardena, R. D. Jayasinghe, D. K. Dias
    Int J Oral Maxillofac Surg. 2018 Apr; 47(4):442-444. doi: 10.1016/j.ijom.2017.08.011. Epub 2017 Sep 18.
  • Effectiveness of “fill in the blanks” over multiple choice questions in assessing final year dental undergraduates. Medawela RS, Ratnayake DR, Abeyasinghe WA, Jayasinghe RD, Marambe KN. Educación Médica. Educación Médica
    Volume 19, Issue 2, March–April 2018, Pages 72-76
  • Quality of endodontic working-length radiographs taken by using bisecting angle technique by the dental post graduate trainees VKW Senevirathna, MCN Fonseka, RM Jayasinghe and RD Jayasinghe
    Sri Lanka Dental Journal 2018; 48(02) 72-77
  • A rare presentation of bilateral Tonsilloliths – A case report and a review of literature. C. Gunasena, PVKS Hettiarachchi, RD Jayasinghe Sri Lanka Dental Journal 2018; 48(02) 88-90
  • A case report on Actinic cheilitis: a rarer entity among Sri Lankans D. R. D. L. Ratnayake, R. M. S. H. B. Medawela, R. D. Jayasinghe, B. S. M. S. Siriwardena
    Ceylon Journal of Science 47(2) 2018: 207-209 DOI: http://doi.org/10.4038/cjs.v47i2.7519
  • White sponge nevus in the oral cavity: case report and a review of literature P.V.K.S. Hettiarachchi, J.C.M. Jayasinghe,B.S.M.S. Siriwardena, R.D. Jayasinghe
    Sri Lanka Dental Journal 2018 Vol 48 issue 1 pp 47-52
  • Verrucous Hyperplasia: A case report on a controversial entity R.A. Chandrasiri, R.D. Jayasinghe, P.R. Jayasooriya
    Sri Lanka Dental Journal 2018 Vol 48 issue 1 pp 53-60
  • Pattern of mandibular third molar impaction and relationship to the Inferior Alveolar Canal: Retrospective Cone Beam Computed Tomography analysis in a group of Sri Lankan Patients Medawala Sumudu, Wijekkon Parakrama and Jayasinghe Ruwan
    Open Access Journal of Dental Sciences,2018 3(5): 000184


  • 2019

  • Functional pathways involving differentially expressed lncRNAs in oral squamous cell carcinoma. DOI:10.1111/odi.13051 Pentenero M, Bowers L, Jayasinghe R, Cheong SC, Farah CS, Kerr AR, Alevizos I
    Oral Diseases 2019;25(Suppl. 1):79–8
  • Clinical evidence of differential expression of lncRNAs in oral squamous cell carcinoma: a scoping review. DOI: 10.1111/odi.13076 Pentenero M, Bowers L, Jayasinghe Ruwan, Yap T, Cheong SC, Farah CS, Kerr AR, Alevizos I.
    Oral Diseases 2019;25(Suppl. 1):88–101.
  • Histoplasma capsulatum caused a localized tongue ulcer in a non HIV patient– A case from non-endemic country. Liyanage Shamithra Madhumali Sigera, Sumith Ruwan Gunawardane , Matharage Ariyalatha Malkanthi, Ruwan Duminda Jayasinghe , Sitheeque M.A.M, Wanninayake Mudiyanselage Tilakaratne , Primali Iresha Jayasekera.
    Ear, Nose & Throat Journal DOI: 10.1177/0145561319844246
  • Dental Age Estimation using radiographs: Towards the best method for Sri Lankan children. Sisira Ranasinghe, Jean Perera, Jane A. Taylor, Ajith Tennakoon, A. Pallewatte, Ruwan Jayasinghe.
    Forensic Science International. 298 (2019) 64–70
  • Evaluation of the styloid process in a Sri Lankan population using digital panoramic Radiographs PVKS Hettiarachchi, RM Jayasinghe, M Fonseka, RD Jayasighe, D Nanayakkara
    Journal of Oral Biology and Craniofacial Research. 2019 Jan-Mar; 9(1): 73–76
    2015

  • Incidental and Anatomical Findings in the Maxillary Antrum Identified on CBCT Scans- A Retrospective Study. Ruwan Duminda Jayasinghe, Rasika Manori Jayasinghe International Dental Journal 2015; 65 (Suppl. 2): pp 49
  • 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
  • Plasma Cell Mucositis Affecting Oral Mucosa: A Report of 11 Cases H.G.R.N. Weerasinghe, B.S.M.S. Siriwardena, R.D. Jayasinghe and W.M. Tilakaratne Peradeniya University International Research Sessions (iPURSE) November 2015
  • An Analysis of Cervical Lymph Nodes Metastasis in Oral Squamous Cell Carcinoma: Relationship between Clinical and Histopathological Status of Nodal Metastasis A.L.M. Rizan, R.D. Jayasinghe, B.S.M.S. Siriwardena and A.M. Attygalla Peradeniya University International Research Sessions (iPURSE) November 2015
  • Development of a Brief Inventory For Quality Evaluation Of Panoramic Radiographs A.J.S.P. Nileema, D.M.J. Nuwan, R.W. Pallegama and R.D. Jayasinghe Peradeniya University International Research Sessions (iPURSE) November 2015
  • Effect of Reconstruction Kernel And Slice Thickness on thePerformance of Cad Software Used In The Screening of Lung Cancer C.M. Munaweera, S. Wada, M. Ohkubo and R.D. Jayasinghe Peradeniya University International Research Sessions (iPURSE) November 2015
  • An Evaluation of The Effect Of Development Time on X‐Ray Film Density R.D. Jayasinghe, B.S. Weerakoon and M.G.R.S. Perera Peradeniya University International Research Sessions (iPURSE) November 2015
  • Analysis of DNA double strand damage during oral Carcinogenesis in areca nut chewers WMKM Bandara, RP Illeperuma, Do Kyeong Kim, BSMS Siriwardana, RD Jayasinghe, WM Tilakatahne and Jin Kim 2015 International symposium of Oral Cancer and Cancer Prevention, 1st October 2015 at Suh Byong-in’s Hall, Oral Cancer Research Institute, Yonsei University, Seoul, Korea
  • 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 8th International Research Conference of KDU, 27th and 28th August 2015, Colombo
  • Evaluation of Rejected Intra-oral Periapical (IOPA) Radiographs Taken by Radiographers, Student Radiographers and Dental Students of Dental Teaching Hospital, Peradeniya,Sri Lanka. Ediri Arachchi WM, Chandrasena M, Tudugala R and Jayasinghe RD 20th Asia-Australasia Conference of Radiological Technologists August 20-23 2015, Singapore
  • Demographic and Clinical Aspects of Oral Sub mucous Fibrosis in patients attending the Oral Medicine Clinic, Dental Hospital Peradeniya, Sri Lanka Jayasinghe RD, Manoja KGD, Gunasinghe MS, Gurusinghe SKB Jayasinghe RM and Sitheeque MAM 37th Asia Pacific Dental Congress 3-5 April 2015, Singapore
  • Hematological and Hepatic effects of antiepileptic treatment in Trigeminal Neuralgia- A retrospective study
  • Jayasinghe RD, Senarathna DKVP, Sitheeque MAM, Nanyakkara S, Pallegama RW and Athuda SB 37th Asia Pacific Dental Congress 3-5 April 2015, Singapore


  • 2016
  • Clinical presentations and management strategies of patients with OLP attending Dental Teaching Hospital, Peradeniya Abeyasinghe WAMUL,Jayasinghe JCM, Weerasinghe HGRN, Medawela RMSHB, Siriwardena BSMS, Jayasinghe RD Peradeniya University International Research Sessions (iPURSE) November 2016
  • Relationship between dental amalgam and oral lichenoid reaction/ lichen planus Halpegama UM, Fonseka MCN, Jayasinghe RD, Angammana HMRW, Kalinga ND, Gunattilaka PADMR, Wijeyeweera RL Peradeniya University International Research Sessions (iPURSE) November 2016
  • Evaluation of odontogenic tumors and cysts diagnosed by Cone Beam Computed Tomography at University Dental Hospital Peradeniya Jayasinghe JCM, Jayasinghe RD, Medawela RMSHB, Gayathry AJayasuriya N, Attygala AM Peradeniya University International Research Sessions (iPURSE) November 2016
  • Use of Information and Communication Technology for controlling Oral Potential Malignant Disorders in Sri Lanka Gunawardena S, Gunatilake D, Amarasinghe H,Jayasinghe RD, Tilakaratne WM Peradeniya University International Research Sessions (iPURSE) November 2016
  • Quality of working length radiographs taken and used by dental post graduate trainees during endodontic treatment Senevirathne DPVKW, Fonseka MCN, Jayasinghe RM, Jayasinghe RD Peradeniya University International Research Sessions (iPURSE) November 2016
  • Depression among head and neck cancer patients treated with chemoradiation Gunawardena S, Attygalla M, Madawala P, Jayasinghe RD, Pallegama R Peradeniya University International Research Sessions (iPURSE) November 2016
  • Changes of health related quality of life in head and neck cancer patients treated with chemoradiation Gunawardena S, Attygalla M, Madawala P, Jayasinghe RD, Pallegama R Peradeniya University International Research Sessions (iPURSE) November 2016
  • Descriptive analysis and clinical outcome of patients presented with lower impacted third molars to the District General Hospital, Nuwara Eliya, Sri Lanka Gunawardhana KSND, Nawaratnam B, Ranaweera GK, Jayasinghe RD, Abesinghe AHMK Peradeniya University International Research Sessions (iPURSE) November 2016
  • Pattern of mandibular third molar impaction and its relationship to the inferior alveolar canal: retrospective Cone Beam Computed Tomography analysis in a group of Sri Lankan patients Medawela RMSHB, Wijekoon WMPSK, Jayasinghe RD Peradeniya University International Research Sessions (iPURSE) November 2016
  • Expression of ɤ-h2ax and p53 in oral cancer and oral potentially malignant diseases with areca nut history Bandara WMKM, Illeperuma RP, Kyeong KD, Siriwardena BSMS, Jayasinghe RD, Tilakaratne WM, Jin K Peradeniya University International Research Sessions (iPURSE) November 2016
  • Evaluating probiotic attributes of Lactobacillus sp isolated from plaque samples taken from male adults with dental caries Wijesiriwardena MAMP, Jayasinghe RD, Panagoda GJ Peradeniya University International Research Sessions (iPURSE) November 2016
  • Expression of p16 gene in oral potentially malignant disorders and oral cancer- a preliminary study Baddewithana AK, Illeperuma RP, Jayasinghe RD, Siriwardena BSMS, Tilakaratne WM Peradeniya University International Research Sessions (iPURSE) November 2016
  • Culture proven oral Histoplasmosis patient from Sri Lanka. Sigera L.S.M., Jayasekera P. I., Jayasinghe R.D., Sitheeque M.A.M. Poster presentation at the 25th Annual Scientific Sessions of Sri Lanka College of Microbiologists – 2016
  • A case of Oropharyngeal Histoplasmosis from Sri Lanka. Sigera LSM, Jayasekera PI, Jayasinghe RD, Sitheeque MAM. Poster presentation at the 5th Annual Conference and Scientific Sessions of Sri Lankan Society for Microbiology (SSM) – 2016
  • Evaluation and comparison of thyroid gland receiving surface dose in dental radiography RA Weerasinghe, RD Jayasinghe and S Kulathunga 9th International Research symposium- Kothalawala Defense University 8th and 9th September 2016
  • Areca nut induced DNA damage can be reversed by Scumacheria Casteneifora Bandara WMKM, Kim DK, Siriwaradana BSMS, Jayasinghe RD, Wijesundara DSA, Tilakaratne WM and Illepruma RP 18th IAOP and 25th IAOMP conference 8-11 September 2016 Chennai, India
  • Testing efficacy of antioxidant rich herbal extract in reducing areca nut induced carcinogenesis Bandara WMKM, Kim DK, Siriwaradana BSMS, Jayasinghe RD, Wijesundara DSA, Tilakaratne WM and Illepruma RP SLMA 129th Annivasray International Medical Congress 2016


  • 2017

  • Association between histopathological and cone beam CT features of oral squamous cell carcinoma involving mandible Medawela R M S H B, Ratnayake D R D L, Wijayatilake H D K, Siriwardane B S M S, Jayasinghe R D Frontiers in Oral and Maxillofacial Imaging 2017, pp 185-186 ISBN 978-986-95957-0-4
  • Estimation of dental age: comparative study of different methods using teenage population of Sri Lanka from 11 to 16 years Sisira Ranasinghe, Jean Perera, Jane Taylor, Ajith Tennekoon, Aruna Pallewatte and Ruwan Jayasinghe JFOS - Journal of Forensic Odonto-Stomatology Vol 35 Special Issue 1 - Nov – 2017
  • Economic cost of management of oral cancer and Oral Potentially Malignant Disorders (OPMD) patients in Sri Lanka H. Amarasinghe, R.D.Jayasinghe, D. Dharmagunawardana, Dinesh Kumara, A.M. Attygalla, S. Kularathne, P. Scuffham, N. W. Johnson Peradeniya University International Research Sessions (iPURSE) November 2017
  • Human Papilloma Virus infection and its correlation with expression of P16 gene in oral potentially malignant disorders and oral cancer AK Baddevithana, RP Illeperuma, RD Jayasinghe, BSMS Siriwardena and WM Tilakaratne Peradeniya University International Research Sessions (iPURSE) November 2017
  • Assessment of demographic features and concordance between clinical and histopathological diagnosis of lesions of the tongue NH Senarath, PR Jayasooriya, RD Jayasinghe and EAPD Amaratunga Peradeniya University International Research Sessions (iPURSE) November 2017
  • Expression of p16 gene and HPV oncogene in oral potentially malignant disorders and oral cancer: A preliminary study AK Baddevithana, WMKM Bandara, RD Jayasinghe, BSMS Siriwardena, WM Tilakaratne, RP Illeperuma 8th Annual conference of Asian Society of Oral and Maxillofacial Pathology, 19-20 August 2017, Andra Pradesh, India (judged as the best scientific presentation)
  • Effects of antioxidant rich- Sri Lankan herb “Schumacheria castaneifolia” extract on Areca-Nut induced DNA damage in mice W.M.K.M. Bandara, A.K Baddevithana, P.S. Fernando, B.S.M.S Siriwardana, R.D Jayasinghe, W.M Tilakaratne, R.P. Illeperuma 8th Annual conference of Asian Society of Oral and Maxillofacial Pathology, 19-20 August 2017, Andra Pradesh, India
  • Phaeohyphomycosis- An Unusual Clinical Presentation W.A.M.U.LAbeyasinghe, Y.S Mohomed, B.S.M.S Siriwardena, PI Jayasekera, R.D Jayasinghe Annual Scientific Sessions, Sri Lanka Dental Association 24th June 2017
  • Association between histopathologic and cone beam CT features of oral squamous cell carcinoma involving mandible Medawela R M S H B, Ratnayake D R D L, Wijayatilake H D K, Siriwardane B S M S, Jayasinghe R D The 21st International Congress of Dental and Maxillo-Facial Radiology IADMFR 2017, 26-29 April 2017, Kaohsiung, Taiwan
  • Computer use among students of faculties of health care science in the University of Peradeniya Anagammana R, Edussuriya D, Elleperuma R, Jayasinghe RM, Wijayawardhane N and Jayasinghe RD (judged as the best oral presentation) Annual Scientific Sessions, College of Dentistry and Stomataology of Sri Lanka 11-12 March 2017
  • A retrospective study of patients diagnosed with trigeminal neuralgia at the oral medicine clinic, dental hospital Peradeniya VA Gayathry, C Jayasinghe, RMSHB Medawala, RD Jayasinghe, PVKS Hettiarchchci Annual Scientific Sessions, Sri Lanka Dental Association (Kandy Branch) 22nd January 2017
  • A study to assess the completion of dental radiology request forms in dental teaching hospital, Peradeniya DPVKW Senavirathne, PVKS Hettiarchchci, RD Jayasinghe Annual Scientific Sessions, Sri Lanka Dental Association (Kandy Branch) 22nd January 2017
  • Cemento-osseous dysplasia: a case report emphazining the importance of clinical and pathological correlations NH Senrath, PR Jayasooriya, RD Jayasinghe and K Kapugama Annual Scientific Sessions, Sri Lanka Dental Association (Kandy Branch) 22nd January 2017


  • 2018

  • Need for a Panoramic Radiographic Assessment Prior to Prosthetic Treatment in Complete Edentulous Patients. Amarasingha Arachchige Aruna Kumara Wimalarathna, Ruwan Duminda Jayasinghe2, Indika Thilakumara, Vajira Jayasinghe The Journal of Indian Prosthodontic Society | Volume 18 | Supplement 1 | October 2018. DOI: 10.4103/0972-4052.244614
  • Need for a panoramic radiographic assessment prior to prosthetic treatment in complete edentulous patients AAAK Wimalarathne, RD Jayasinghe, IP Thilakumara and JAVP Jayasinghe 11th Biennial congress of Asian Academy of Prosthodontics and 8th scientific conference of Malaysian Association for Prosthodontists 21-23 September 2018, Malaysia
  • Development of an Efficient and Patient-friendly Device for Oral Physiotherapy using Solid Modelling and 3D Printing Technology K.J.C. Kumara, H.L. Subasinghe, Prasangi Peries, R.D. Jayasinghe Fifth Annual Research Symposium (ARS 2018), Faculty of Engineering, University of Ruhuna, Sri Lanka,04th January 2018
  • Validity of Toluidine Blue Test As A Diagnostic Tool For Early Detection of Oral Cancer in Oral Potentially Malignant Disorders- A Pilot Study Amarasinghe H., Amugoda K. D.P.D., Kumaraarachchi K.P.M., Gunasena E.K.G.R. P., Liyanage R.L.P. R., Karunatillake A.H.T. S., Hettiarachchi P. V. K. S., Jayasinghe R. D MORCC Oral Health Research Symposium 2018
  • Elucidating the Efficacy of Carica Papaya (Papaya) Extracts in The Treatment Of Oral Submucous Fibrosis Jayasinghe R. D., Siriwardena B.S.M. S., Perera P. K., Tillakaratne W.M., Illeperuma R. MORCC Oral Health Research Symposium 2018
  • Effectiveness of a Community Based Early Detection Programme for Oral Cancer Using Brush Biopsy Cytology to Improve Diagnostic Accuracy and Coverage Of The Estate Plantation In Kandy District Medawela R.M.S.H. B, Ratnayake D.R.D. L, Amarasinghe H. K, Jayasooriya N.S. S, Jayasinghe R. D, Siriwardena B.S.M. S MORCC Oral Health Research Symposium 2018
  • Assessment of Periapical Lesions In Endodontically Treated Teeth Using CBCT Ekanayake E.M.K. S, Fonseka M.C. N, Jayasinghe R.M, Jayasinghe R. D MORCC Oral Health Research Symposium 2018
  • Effects Of Haematinics on The Symptoms in Patients With Oral Submucous Fibrosis Gunasena C., Jayasinghe R. D., Hettiarachchi P.V.K. S MORCC Oral Health Research Symposium 2018
  • Evaluation Of The Impact Of Recurrent Aphthous Stomatitis And Its Treatment On The Oral Health Related Quality Of Life Gunasena C, Jayasinghe R. D, Hettiarachchi P.V.K. S MORCC Oral Health Research Symposium 2018
  • Antioxidant rich tropical herbs to combat Areca-Nut induced OPMDs Rasika Illeperuma, Kasun Bandara, Do Keyong Kim, Samadara Siriwardena, Ruwan Jayasinghe, Jin Kim and WM Tilakaratne Joint IAOP_ AAOMP Meeting 2018, Vancouver, Canada
  • Morphometric analysis of the styloid process in a Sri Lankan population using digital panoramic radiographs PVKS Hettiarachchi, RM Jayasinghe, M Fonseka, RD Jayasighe, D Nanayakkara 31st year Annual Academic Sessions, College of Dentistry and Stomataology of Sri Lanka, 2018-03-19 Colombo
  • Age assessment based on development of Mandibular Third Molars using Orthopantomograph in a Sri Lankan Population PVKS Hettiarachchi, J.Weeraratne, NC Rathnayake, RD Jayasinghe 31st year Annual Academic Sessions, College of Dentistry and Stomataology of Sri Lanka, 2018-03-19 Colombo
  • Age estimation by pulp to tooth area ratio (PTR) of maxillary canines based on Cone Beam Computed Tomography (CBCT) IDPM Jaythissa, HEU Kumara, AAU Erandika, MSF Rissana, SP Abeyasundara and RD Jayasinghe Annual Scientific Sessions, Sri Lanka Dental Association (Kandy Branch) 28-01-2018
  • Juvenile Pemphigus Vulgaris As a Differential Diagnosis For Chronic Generalized Oral Ulceration In An Adolescent. Case Report And Brief Review Of Literature C Gunasena, PVKS Hettiarachchi, PR Jayasooriya and RD Jayasinghe Annual Scientific Sessions, Sri Lanka Dental Association (Kandy Branch) 28-01-2018
  • Verrucous Hyperplasia: A Case Report Highlighting the Importance of Applying Standard Criteria In The Diagnosis and Management of a Perplexing Entity R.A. Chandrasiri, R.D. Jayasinghe, P.R. Jayasooriya Annual Scientific Sessions, Sri Lanka Dental Association (Kandy Branch) 28-01-2018
  • Changes of Health-Related Quality Of Life In Head And Neck Cancer Patients Treated With Chemoradiation Sumith Gunawardane, Priyantha Madawala , Manjula Attygalla, Ruwan Jayasinghe , Nadeena Jayasooriya National Health Research Symposium December 2017, BMICH, Colombo


  • 2019

  • A Soft Actuated Mouth Exercising Device for Oral Physiotherapy for OSF Patients K.J.C. Kumara, H.N. Geelaka, P. Peiris and R. Jayasinghe. 16th Academic Sessions, University of Ruhuna
  • Demographic data analysis of Oral Lichen Planu: a retrospective study HGRN Weerasinghe, BSMS Siriwardane, RD Jayasinghe and WM Tilakaratne 32nd Annual academic sessions of the College of Dentistry and Stomataology of Sri Lanka, 6th and 7th April 2019, Kandy
  • Assessment of compatibility of widely used arch wires to the mandibular arch forms among Sinhala patients attending Orthodontic unit, Teaching Hospital, Kandy GAG Lakmali, DP Wettasinghe and RD Jayasinghe 32nd Annual academic sessions of the College of Dentistry and Stomataology of Sri Lanka, 6th and 7th April 2019, Kandy (judged as the best oral presentation)
  • Kikuchi’s Lymphadenitis: a case report PM Peris, G Thirulosanana, RD Jayasinghe, S Siriwardena and AM Attygalla 32nd Annual academic sessions of the College of Dentistry and Stomataology of Sri Lanka, 6th and 7th April 2019, Kandy
  • Radiological evaluation of impacted maxillary canines through Cone Beam CT images of patients attending the dental (Teaching) Hospital, Peradeniya C Gunasena, PVKS Hettiarchchi, RD Jayasinghe, VSN Vitahnarchchi, WBMCRD Weerasekara and IS Nawarathne Annual Academic Sessions of Sri Lanka Dental Association (Kandy Branch) 4th February 2019, Kandy
  • Assessment of Quality of Life of patients diagnosed with Oral Lichen Palnus WMDL Wijesinghe, PVKS Hettiarchchi, RD Jayasinghe Annual Academic Sessions of Sri Lanka Dental Association (Kandy Branch) 4th February 2019, Kandy vSjogrens’s syndrome: Demographic and clinical aspects, features of special investigations in a group of Sri Lankan patients PM Peris, LAH Jayasinghe, PVKS Hettiarchchi, RD Jayasinghe, MAM Sitheeque Annual Academic Sessions of Sri Lanka Dental Association (Kandy Branch) 4th February 2019, Kandy
  • Tobacco Cessation Toolkit (5As and 5Rs) For all dental surgeons and other health care professionals Edited by Ruwan Duminda Jayasinghe
    Joint publication by Centre for Research in Oral Cancer, Ministry of Health, Presidential Task Force on Drug Prevention and SLT Subcommittee of National Authority on Tobacco and Alcohol 2019 ISBN 978-955-54125-1-3
  • Book Chapter- Association of Candida with Linear Gingival Erythema in HIV-Infected Subjects- Chaminda Jayampath Seneviratne and Ruwan Duminda Jayasinghe E. Rosa (ed.), Oral Candidosis: Physiopathology, Decision Making, and Therapeutics,
    © Springer-Verlag Berlin Heidelberg 2015
    DOI 10.1007/978-3-662-47194-4_12
    ISBN- 978-3-662-47193-7
  • A Guide for medical and dental practitioners- Guideline for the Screening, Surveillance, Diagnosis and Management of Oral Potentially malignant Disorders
    ISBN 978-955-0505-40-1
  • Published in February 2013 (1st Edition) 2015 (second edition) National Cancer Control Programme, Ministry of Health, Sri Lanka

  • Book Chapters- Oral Ulceration Part I and Part II. SLDA Dental Update 2014/15 published by Sri Lanka Dental Association, Colombo Published in January 2016
    ISBN 978-955-0509-02-75
  • Identification and Prevention of Oral Cancer (Sinhala book) Published by Wedasara Foundation October 2016
    ISBN 978-2-38614-600-6
  • Identification and Prevention of Oral Cancer (Tamil book) Published by Wedasara Foundation October 2016
    ISBN 978-2-38614-600-6
  • Professor K. Bambaradeniya Memorial Oration of Sri Lanka Dental Association (Kandy Branch) “Road map for prevention and early detection of oral cancer: Experience from fight against OPMD Annual Academic Sessions, Sri Lanka Dental Association (Kandy Branch) 03rd February 2019
  • Key Note Address-Radiology for Forensic Odontology 6th Indo-Pacific Academy of Forensic Odontology World Conference 1th -17th February 2019, Chandigarh, India

  • College of Dentistry and Stomataology of Sri Lanka Oration “Oral Potentially Malignant Disorders and Oral Cancer Are We Doing Enough?” 31st year Annual Academic Sessions, College of Dentistry and Stomataology of Sri Lanka, 2018-03-19 Colombo
  • Key Note Address- Malignant transformation of OSF International Summit on OSF- 6-8th October 2018 Varodra, India
  • Algorithms for early detection and referral of OPMD and oral cancer: the Sri Lankan experience - WCC Side Meeting: Betel quid, areca nut and oral cancer control and prevention hosted by Oral Cancer Research & Coordinating Center (OCRCC), MAHSA University and Cancer Research Malaysia (CRM), Malaysia 1st October 2018
  • Key note address on “Oral Mucosal Diseases- a clinical guide” 71st Indian Dental Congress, 9-11th February 2018 in Bhubaneswar, India

  • Brito Muthhunayagam Oration of College of General Dental Practitioners- “Oral Potentially Malignant Disorders- Sri Lankan Experience”- 27th February 2016 Colombo (published in The Journal of College of General Dental Practitioners of Sri Lanka February 2017, Vol 34 pp8-14)
  • Assessment of Mandibular Invasion in Oral Cancer The 21st International Congress of Dental and Maxillo-Facial Radiology IADMFR 2017, 26-29 April 2017, Kaohsiung

  • Oral potentially malignant disorders- Sri Lankan Experience 2015 International symposium of Oral Cancer and Cancer Prevention, 1st October 2015 at Suh Byong-in’s Hall
  • Effect of haematinics on the symptoms in patients with oral sub mucous fibrosis Kalni Hettiarachcchi, Chandira Gunasena, Manel Rathnayake and Ruwan Jayasinghe University Research Grant (URG/2018/16/D) Rs 190,000
  • Classification of oral lesions using deep learning for early detection of oral cancer- Cancer Research and Global Health Initiative - Pump Priming Call MR/S013865/1 Dr Sok Ching Cheong, Dr Chee Seng Chan, Professor Paolo Remagnino, Professor Sarah Barman, Prof WM Tilakaratne and Professor Ruwan Jayasinghe
  • Establishment of an Asia-Pacific Oral Cancer Early Detection Network (APOCNET) Dr. Sok Ching Cheong, Prof. Dr. Rosnah Binti Zain, Assoc Prof. Dr Thomas George Kallarakkal, Prof. Dr. Callum Durward, Prof. Dr. Patravoot Vatanasapt, Prof. Dr. Ruwan Jayasinghe, Prof. Dr. Jyotsna Rimal and Prof.Dr. Rahmi Amtha. Asi@Connect project €14,000 from TEIN Cooperation Centre
  • NRC merit award for Scientific Publication 2016
  • Expression of p16 gene and HPV oncogene in oral potentially malignant disorders and oral cancer: A preliminary study AK Baddevithana, WMKM Bandara, RD Jayasinghe, BSMS Siriwardena, WM Tilakaratne, RP Illeperuma 8th Annual conference of Asian Society of Oral and Maxillofacial Pathology, 19-20 August 2017, Andra Pradesh, India (judged as the best scientific presentation)
  • Computer use among students of faculties of health care science in the University of Peradeniya Anagammana R, Edussuriya D, Elleperuma R, Jayasinghe RM, Wijayawardhane N and Jayasinghe RD (judged as the best oral presentation) Annual Scientific Sessions, College of Dentistry and Stomataology of Sri Lanka 11-12 March 2017

  • Reliability of different radiological methods in detection of cavitated lesions RD Jayasinghe, MCN Fonseka, RM Jayasinghe, KMBA Jayasundara, M Peris University Research Grant (URG/2016/24/D) Rs 2,111,000.00
  • Current trends in endodontic practice, adaptation to new technologies and attitude of dental practitioners towards endodntic standered in Sri Lanka Wettasinghe KA, MCN Fonseka, Jayasinghe RD and Bandaranayake BMCA University Research Grant (RG/2016/85/D) Rs 100,000.00
  • Comparison of quality of life of cancer patients receiving institutional and home based palliative care K Kapugama, SR Gunawardana, NSS Jayasuriya, RD Jayasinghe, RW Pallegama and WWMAV Kaburadeniya University Research Grant (URG/2016/23/D) Rs 162,000.00
  • President’s Award for Scientific Publication 2014
  • Assessment of compatibility of widely used arch wires to the mandibular arch forms among Sinhala patients attending Orthodontic unit, Teaching Hospital, Kandy GAG Lakmali, DP Wettasinghe and RD Jayasinghe 32nd Annual academic sessions of the College of Dentistry and Stomataology of Sri Lanka, 6th and 7th April 2019, Kandy (judged as the best oral presentation)
  • Best Research Proposal- First Place in the category of Dental Postgraduate Trainee at the MORCC Oral Health Research Symposium and Research Proposal Competition on 31st Aug 2018 on the title of “Effectiveness of a community based early detection programme for oral cancer using brush biopsy cytology to improve diagnostic accuracy and coverage of the estate population in Kandy district” by R M S H B Medawela, D R D L Ratnayake , H K Amarasinghe, N S S Jayasuriya, R D Jayasinghe, B S M S Siriwardena
  • Best Research Proposal- Third Place in the category of Dental Consultant/ Senior Academic at the MORCC Oral Health Research Symposium and Research Proposal Competition on 31st Aug 2018 on the title of “Elucidating The Efficacy Of Carica Papaya (Papaya) Extarcts in The Treatment Of Oral Submucous Fibrosis” by R.D. Jayasinghe, B.S.M.S. Siriwardena, P.K. Perera, W.M. Tilakaratne and R.P.Illeperuma
  • Best Research Proposal- Third Place in the category of Dental Surgeon at the MORCC Oral Health Research Symposium and Research Proposal Competition on 31st Aug 2018 on the title of “Evaluation of the impact of recurrent apthous stomatitis and its treatment on the oral health related quality of life” by Chandira Gunasena, R.D. Jayasinghe and PVKS Hettiarchchi

  • President’s Award for Scientific Publication 2015
  • Single needle pumping distension and manipulation of temperomandibular joint for management of disc displacement without reduction- Analysis of 10 cases RMSHB Medawala, DRDL Rathnayake, VA Gayathri, JCM Jayasinghe, RD Jayasinghe, MAM Sitheeque Annual Scientific Sessions 2016 and FDI global continuing Education Programme 25-26 June 2016, Colombo (judged as the best oral presentation)
  • A case repost on Actinic Cheilitis : A rarer entity among Sri Lankans RMSHB Medawala, RD Jayasinghe, BSMS Siriwardane, DRDL Rathnayake Annual Scientific Sessions 2016 and FDI global continuing Education Programme 25-26 June 2016, Colombo (judged as the best poster presentation)
  • Effectiveness of “Fill In The Blanks” Over Multiple Choice Questions In Assessing Final Year Dental Undergraduates (judged as the best oral presentation) Medawela R.M.S.H.B, Ratnayake D.R.D.L,Marambe K.N and Jayasinghe R.D Annual Scientific Sessions, Sri Lanka Dental Association (Kandy Branch), 16-17 January 2016
  • Utilization of the Cone Beam Computed Tomography (CBCT) in the Dental Hospital (Teaching) Peradeniya- A clinical audit (judged as the best poster presentation) Medawela R.M.S.H.B, Ratnayake D.R.D.L,Senavirathne DPVKW and Jayasinghe R.D Annual Scientific Sessions, Sri Lanka Dental Association (Kandy Branch), 16-17 January 2016
  • Supervisor for undergraduate research projects, BSc Students of Radiography, Faculty of Allied Health Sciences
  • Assessment of periapical lesions in endodontically treated teeth using CBCT. Dr. EMKS Ekanayake/MD in Restorative Dentistry 2019(ongoing)