Department of Oral and Maxillofacial Surgery

Faculty of Dental Sciences

Faculty of Dental Sciences

University of Peradeniya

Dr RMSHB Medawela

Lecturer in Oral and Maxillofacial Surgery



Department of Oral and Maxillofacial Surgery
Faculty of Dental Sciences,
University of Peradeniya,
Peradeniya,
Sri Lanka


sumuduhimesha@dental.pdn.ac.lk


+94-081-2397401





    Sumudu Medawela is a lecturer and a Specialist trainee in Oral maxillofacial surgery attached to Faculty of Dental Sciences, University of Peradeniya, Sri Lanka. His academic career spans more than a decade where he launched his journey as an undergraduate clinical teacher in oral medicine and radiology at the same faculty in 2011. He obtained his BDS(Hons) degree in year 2011 from the Faculty of Dental Sciences, University of Peradeniya Sri Lanka and completed his MD in Oral And maxillofacial Surgery in year 2022 from the Post graduate Institute of Medicine, University of Colombo, Sri Lanka.

    His research interests focuses on digital solutions in oral and maxillofacial surgery, Facial Aesthetics and dental education. He received multiple national and international awards, co-authored a number of international and national scientific publications and books and extended my expertise in formulating national protocols.
    Despite his academic career he is a professionally trained vocalist and possess a special interest in cricket.


  • BDS Honours (Sri Lanka) 2006-2011 With Distinctions in Pharmacology

  • MD in Oral and Maxillofacial Surgery, Post Graduate Institute of Medicine, University of Colombo, Sri Lanka - 2022

  • Diploma in Acupuncture at Medicina Alternativa Institute affiliated to the open International University of Complementary Medicine-USA (February 2005 to February 2006)

  • Diploma in Computer Programming with Distinction pass at Technical Engineering College (Sri Lanka) – 2001
    Service at the Ministry of Health Sri Lanka
  • Dental Surgeon Grade II at Ministry of Health (House Officer at Oral and Maxillofacial Surgery Unit, District General Hospital, Nuwara Eliya, Sri Lanka) from October 2013 to January 2014

  • University Service

  • Temporary Lecturer in the Department of Oral Medicine and Periodontology, Faculty of Dental Sciences, University of Peradeniya from September 2011 to October 2013
  • Lecturer (Probationary) in the Department of Oral Medicine and Periodontology, Faculty of Dental Sciences, University of Peradeniya Since January 2014 to July 2022
  • Lecturer (Probationary) in the Department of Oral and Maxillofacial Surgery, Faculty of Dental Sciences, University of Peradeniya Since July 2022

  • Clinical Experience as a Trainee in Oral and Maxillofacial Surgery

  • Senior registrar in Oral and Maxillofacial Surgery, Oral and Maxillofacial Surgery Unit, Dental Hospital (Teaching) Peradeniya. Apr 2022 to present
  • Registrar in Oral and Maxillofacial Surgery Department of Orthodontics, Faculty of Dental Sciences, University of Peradeniya · Jun 2019 - Jul 2019
  • Registrar in Oral and Maxillofacial Surgery, Base Hospital. Gampaha · Mar 2019 - Jun 2019
  • Registrar in Oral and Maxillofacial Surgery, ENT Unit - National Hospital - Kandy · Mar 2019 - Mar 2019
  • Registrar in Oral and Maxillofacial Surgery, Plastic Surgery Unit, National Hospital - Kandy · Feb 2019 - Feb 2019 - Mar 2019
  • Registrar in Oral and Maxillofacial Surgery, Neurosurgical Unit, National Hospital - Kandy Jan 2019 - Feb 2019
  • Registrar in Oral and Maxillofacial Surgery, Emergency Treatment Unit, National Hospital - Kandy · Dec 2018 - Jan 2019
  • Registrar in Oral and Maxillofacial Surgery, Oncology Unit, National Hospital - Kandy · Nov 2018 - Dec 2018
  • Registrar in Oral and Maxillofacial Surgery, Cardiology Unit, National Hospital-Kandy · Nov 2018
  • Registrar in Oral and Maxillofacial Surgery, Accident and Emergency Unit, National Hospital Colombo · Sep 2018 - Nov 2018
  • Registrar in Oral and Maxillofacial Surgery, Paediatric Surgery Unit - Sirimavo Bandaranayake Children’s Hospital · Aug 2018 - Sep 2018
  • Registrar in Oral and Maxillofacial Surgery, Radiology Unit - Teaching Hospital Peradeniya · Aug 2018
  • Registrar in Oral and Maxillofacial Surgery, Anaesthesiology and Intensive care, Teaching Hospital-Peradeniya · Jul 2018 - Aug 2018
  • Registrar in Oral and Maxillofacial Surgery, Professorial Unit - General Surgery, Teaching Hospital-Peradeniya. Apr 2018 - Jul 2018
  • Registrar in Oral and Maxillofacial Surgery, Professorial Unit - General Medicine, Teaching Hospital Peradeniya. Jan 2018 - Apr 2018
  • Registrar in Oral and Maxillofacial Surgery, Oral and Maxillofacial Surgery Unit, Dental Hospital (Teaching) Peradeniya. Jan 2017 – Jan 2018

  • Forces
  • Visiting Dental Surgeon to Sri Lanka NAVY
    1. Commendable paper presentation FDI / CDA / SLDA Joint international conference & 80th Anniversary Annual Scientific Sessions of Sri Lanka Dental Association - 2013
    2. Best Oral Presentation -Annual Scientific sessions of Sri Lanka Dental Association (Kandy branch) 2016
    3. Best Oral Presentation- Annual Scientific sessions of Sri Lanka Dental Association -2016
    4. Best Poster Presentation- Annual Scientific sessions of Sri Lanka Dental Association -2016
    5. International Association of Dental and Maxillofacial Radiologists association Research Travel Award- 2017
    6. Best Oral Presentaion-14th Annual Scientific sessions of Sri Lanka Oral and Maxillofacial Surgeons-2017
    7. 1st Runner up –Oral Presentation-15th Annual Scientific sessions of Sri Lanka Association of Oral and Maxillofacial Surgeons-2018
    8. Best Research Proposal – Postgraduate category – MORCC Oral Health Research Symposium 2018
    Teaching Experience: UNDERGRADUATE
  • Conducting Lectures, Tutorials and Practical Supervision since 2011 for final BDS part I and Part II dental undergraduates
  • University Service
  • Temporary Lecturer in the Department of Oral Medicine and Periodontology, Faculty of Dental Sciences, University of Peradeniya from September 2011 to October 2013
  • Lecturer (Probationary) in the Department of Oral Medicine and Periodontology, Faculty of Dental Sciences, University of Peradeniya Since January 2014 to July 2022
  • Lecturer (Probationary) in the Department of Oral and Maxillofacial Surgery, Faculty of Dental Sciences, University of Peradeniya Since July 2022

  • Internal Examinerships
  • Invigilator for Final BDS part II examination (Oral Medicine) 2013
  • Invigilator for Final BDS part II examination (Oral Medicine) 2014
  • Invigilator for Final BDS part II examination (Oral Medicine) 2015
  • Invigilator for Final BDS part II examination (Oral Medicine) 2016

  • Teaching Experience in continuous professional Education
  • Resource Person at “Workshop on Basic Principles of Microvascular Surgery” organized by Sri Lanka Association of Oral and Maxillofacial Surgeons held at Faculty of Dental Sciences 24th and 25th August 2017
  • Resource person at workshop on “CBCT for General Dental Practitioners” organized by SLDA Kandy Branch 30th June 2018
  • Resource person at workshop on “CBCT for Dental Surgeons” organized by Kinross Dental Care and Planmeca
  • Resource person at “ Workshop on CBCT for Dental Practice’ at SLDA annual Scientific session organized by SLDA 27th June 2019
  • Resource person at "training programme on prevention and screening of individuals with higher risk of OPMD and Oral Cancer organized by RDHS Kandy
  • Resource person at “Workshop on CBCT for orthodontics” at Annual academic sessions of Sri Lanka Orthodontic society 2022

  • Professional Qualification
    Government Service
  • Dental Surgeon Grade II at Ministry of Health (House Officer at Oral and Maxillofacial Surgery Unit, District General Hospital, Nuwara Eliya, Sri Lanka) from October 2013 to January 2014

  • Clinical Experience as a Trainee in Oral and Maxillofacial Surgery
  • Senior registrar in Oral and Maxillofacial Surgery, Oral and Maxillofacial Surgery Unit, Dental Hospital (Teaching) Peradeniya. Apr 2022 to present
  • Registrar in Oral and Maxillofacial Surgery Department of Orthodontics, Faculty of Dental Sciences, University of Peradeniya · Jun 2019 - Jul 2019 ·
  • Registrar in Oral and Maxillofacial Surgery, Base Hospital. Gampaha · Mar 2019 - Jun 2019 ·
  • Registrar in Oral and Maxillofacial Surgery, ENT Unit - National Hospital - Kandy · Mar 2019 - Mar 2019
  • Registrar in Oral and Maxillofacial Surgery, Plastic Surgery Unit, National Hospital - Kandy · Feb 2019 - Feb 2019 - Mar 2019
  • Registrar in Oral and Maxillofacial Surgery, Neurosurgical Unit, National Hospital - Kandy Jan 2019 - Feb 2019
  • Registrar in Oral and Maxillofacial Surgery, Emergency Treatment Unit, National Hospital - Kandy · Dec 2018 - Jan 2019
  • Registrar in Oral and Maxillofacial Surgery, Oncology Unit, National Hospital - Kandy · Nov 2018 - Dec 2018
  • Registrar in Oral and Maxillofacial Surgery, Cardiology Unit, National Hospital-Kandy · Nov 2018
  • Registrar in Oral and Maxillofacial Surgery, Accident and Emergency Unit, National Hospital Colombo · Sep 2018 - Nov 2018
  • Registrar in Oral and Maxillofacial Surgery, Paediatric Surgery Unit - Sirimavo Bandaranayake Children’s Hospital · Aug 2018 - Sep 2018
  • Registrar in Oral and Maxillofacial Surgery, Radiology Unit - Teaching Hospital Peradeniya · Aug 2018
  • Registrar in Oral and Maxillofacial Surgery, Anaesthesiology and Intensive care, Teaching Hospital-Peradeniya · Jul 2018 - Aug 2018
  • Registrar in Oral and Maxillofacial Surgery, Professorial Unit - General Surgery, Teaching Hospital-Peradeniya. Apr 2018 - Jul 2018
  • Registrar in Oral and Maxillofacial Surgery, Professorial Unit - General Medicine, Teaching Hospital Peradeniya. Jan 2018 - Apr 2018
  • Registrar in Oral and Maxillofacial Surgery, Oral and Maxillofacial Surgery Unit, Dental Hospital (Teaching) Peradeniya. Jan 2017 – Jan 2018

  • Forces
  • Visiting Dental Surgeon to Sri Lanka NAVY
    Digital solutions in oral and maxillofacial surgery, Facial Aesthetics and dental education


    --Research Profile--
  • 1. Ratnayake D, Medawela S, Jayasinghe R, Jayathilake S, de Silva D, Sitheeque M. Awareness of risk of cross-infection and infection-control measures among patients attending University Dental Hospital, Peradeniya, Sri Lanka. J Investig Clin Dent. 2017 Mar 31. doi: 10.1111/jicd.12268. [Epub ahead of print] PubMed PMID: 28371484
  • 2. Medawela, R. M. S. H. B., Ratnayake, D. R. D. L., Abeyasinghe, W. A. M. U. L., Jayasinghe, R. D., & Marambe, K. N. (2018). Effectiveness of “fill in the blanks” over multiple choice questions in assessing final year dental undergraduates. Educación Médica, 19(2), 72–76. https://doi.org/https://doi.org/10.1016/j.edumed.2017.03.010
  • 3. Medawela RMSHB, Jayasuriya NSS, Ratnayake DRDL, Attygalla AM, Siriwardena BSMS. Squamous cell carcinoma arising from a keratocystic odontogenic tumor: a case report. J Med Case Rep. 2017 Dec 1;11(1):335. doi: 10.1186/s13256-017-1486-x. PubMed PMID: 29191248; PubMed Central PMCID: PMC5710129
  • 4. Medawela R M S H B , Ratnayake D R D L , Premathilake L K N , Jayasinghe R D (2021). Attitudes, Confidence in Practices and Perceived Barriers Towards the Promotion of Tobacco Cessation among Clinical Dental Undergraduates in Sri Lanka. Asian Pac J Cancer Care, 6 (2), 175-179. DOI:10.31557/APJCC.2021.6.2.175
  • 5. Athukorala, I., Medawela, R. M. S. H. B., Gunawardana, M., & Jayasinghe, R. D. (2022). GIS to Explore the Geographical Mysteries of Oral Cancer: Geospatial Distribution of Patients Diagnosed with Oral Potentially Malignant Disorders at the University Dental Hospital Peradeniya. Asian Pacific Journal of Cancer Care, 7(1), 29-35.




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