Department of
Basic Sciences

Faculty of Dental Sciences

Faculty of Dental Sciences

University of Peradeniya

Dr KSND Gunawardhana

Senior Lecturer in Biochemistry



Department of Basic Sciences
Faculty of Dental Sciences,
University of Peradeniya,
Peradeniya,
Sri Lanka


ndg@dental.pdn.ac.lk


+94-081-2397551







Senior Lecture in Biochemistry

    BDS - University of Peradeniya
    PhD - Yonsei University College of Dentistry, South Korea
  • Temporary Assistant Lecturer, Department of Oral Pathology, Faculty of Dental Sciences (2008 Aug- 2009 Feb)
  • Temporary Assistant Lecturer, Department of Oral and Maxillofacial Surgery, Faculty of Dental Sciences (2009 Feb- 2009 Dec)
  • Graduate student and Teaching Assistant , Department of Oral Biology, Yonsei University - College of Dentistry, Seoul, Korea (2010 -2014 August)
  • Grade II Dental Surgeon (HO/OMF) at District General Hospital- Nuwara Eliya (2014 Nov- 2017 Sep)
  • Senior Lecturer (Grade II), Division of Biochemistry, Department of Basic Sciences, Faculty of Dental Sciences (2017 Oct-Up to date)
    Life member of Sri Lanka Dental Association (SLDA)
  • Natural herbs in oral disease prevention
  • Bacterial gene expression and gene cloning


  • --Research Profile--
  • Gunawardhana KSND, Jayasooriya PR, Rambukewela IK, Tilakaratne WM. A clinico-pathological comparison between mandibular and maxillary ameloblastomas in Sri Lanka. Journal of Oral Pathology and Medicine 2010; 39(3):236-41.

  • Gunawardhana KSDN, Jayasooriya PR, Tilakaratne WM. Diagnostic dilemma of unicystic ameloblastoma: novel parameters to differentiate unicystic ameloblastoma from common odontogenic cysts. Journal of Clinical and Investigative Dentistry 2013; 5: 1-6.

  • • Kim JH, Lee DE, Gunawardhana KSND, Choi SH, Woo GH, Cha JH, Bak EJ, Yoo YJ. Effect of the interaction between periodontitis and type 1 diabetes mellitus on alveolar bone, mandibular condyle and tibia. Acta Odontologica Scandinavica 2014; 72(4): 265-273.

  • Kim J, Jang S, Kim A, Su H, Gunawardhana N, Jeon YE, Bak EJ, Kim JH, Cha JH. Role of bacterial γ-glutamyltranspeptidase as a novel virulence factor in bone-resorbing pathogenesis. Journal of Microbiology (Seoul, Korea) 2016, 54(5):396-402.

  • J Lee, ND Gunawardhana, S Jang, YH Choi, RP Illeperuma, A Kim, H Su, YA Hong, JH Kim, J Kim, DW Jung, IH Cha, EJ Bak, JH Cha. Effect of Areca nut on Helicobacter pylori-induced gastric diseases in mice. J Microbiol Biotechnol 2016, 26(10):1817-1823.

  • Sungil Jang, Hanfu Su, Faith C Blum, Sarang Bae, Yun Hui Choi, Aeryun Kim, Youngmin A Hong, Jinmoon Kim, Ji-Hye Kim, Niluka Gunawardhana, Yeong-Eui Jeon, Yun-Jung Yoo, D Scott Merrell, Linhu Ge, Jeong-Heon Cha. Dynamic expansion and contraction of cagA copy number in Helicobacter pylori impact development of gastric disease. mBio 2017, 8 (1).

  • Niluka Gunawardhana, Sungil Jang, Yun Hui Choi, Youngmin A Hong, Yeong-Eui Jeon, Aeryun Kim, Hanfu Su, Ji-Hye Kim, Yun-Jung Yoo, D Scott Merrell, Jinmoon Kim, Jeong-Heon Cha. Helicobacter pylori-Induced HB-EGF Upregulates Gastrin Expression via the EGF Receptor, C-Raf, Mek1, and Erk2 in the MAPK Pathway. Frontiers in cellular and infection microbiology 2017, 7: 541.