Academic Fellowship Award from the Commonwealth Scholarship Commission (CSC) in the United Kingdom in 2009-2010.
Best poster (2nd runner) at the College of Dentistry and Stomatology of Sri Lanka 17th Annual Academic Congress and first Japan Sri Lanka Bilateral Dental Congress 2003.
Commendable Research Paper at the Annual Scientific Research Session of University of Peradeniya 2003
Scholarship award from the Ministry of Education, Science, Sports & Culture of Japan 1998- 2002
Scholarship award under “Young Researchers' Project in Medicine and Dentistry – Establishing a Network of Health Care Professionals in Southeast Asia” by Tokyo Medical and Dental University, Tokyo, Japan
Member, Speciality Board of Study (Anatomy), Postgraduate Institute of Colombo, University of Colombo, Sri Lanka
Visiting Commonwealth Fellow - Kings college London (2009 to 2010)
A member of the Editorial Team of the
“International Journal of Dental Research”
“The Journal of Dentist”
“Peertechz Journal of Forensic Science and Technology”
Resource person of the training workshop on “Blended Learning using Moodle and Web blog” conducted for the academic staff of the Faculty of Dental Sciences under the HETC/UDG/ICT Project – 24th July 2013.
Resource person of the User Awareness seminar on Resources and Retrieval of Health Information -11th February 2014.
Guest lecture “Role of Cholinesterase on Tooth Development” Faculty of Dentistry, International Islamic University of Malaysia 2011.
Herath C, Jayawardena C, Nagarathne N, Perera K . Characteristics and sequelae of erupted supernumerary teeth: A study of 218 cases among Sri Lankan children. J Investig Clin Dent. 2016; Dec 19. doi: 10.1111/jicd.12250.
Jayawardena JACK, Hewapathirana TN, Bannaheka S, Ihalagedera D. Association of learning approaches with academic performance of Sri Lankan dental students. Teach Learn Med 2013; 25: 334-341 http://www.tandfonline.com/doi/pdf/10.1080/10401334.2013.827978#.U0TNmPmSw sc
Jayawardena KAS, Silva KT, Jayawardena CK, Samarakoon S. Behavioural risk factors of men associated with transmission of sexually transmitted infections (STIs) in Sri Lanka. WHO South- East Asia Journal of Public Health 2012; 1:69-75 (http://www.searo.who.int/LinkFiles/SEAJPH_SEAJPH-1-9.pdf)
Nandasena TL, Jayawardena CK, Tilakaratne WM, Nanayakkara CD. Distribution pattern of cholinesterase enzymes in human tooth germs. Arch Oral Biol 2010; 55:561-569 (http://www.ncbi.nlm.nih.gov/pubmed/20627235)
Jayawardena C, Nandasena T, Abeywardena A, Nanayakkara D. Regional distribution of interglobular dentine in human teeth. Arch Oral Biol 2009; 54:1016- 21. (http://www.ncbi.nlm.nih.gov/pubmed/19782342)
Jayawardena CK, Abesundara AP, Nanayakkara DC, Chandrasekara MS. Agerelated changes in crown and root length in Sri Lankan Sinhalese. J Oral Sci 2009; 51:587- http://jos.dent.nihon- u.ac.jp/journal/51/4/587.pdf
Jayawardena CK, Takano Y. Nerve-epithelium interrelation in the periodontal ligament of guinea pig teeth. Arch Oral Biol 2006; 51: 587-595 (http://www.ncbi.nlm.nih.gov/pubmed/16510117)
Jayawardena CK, Takano Y. Histochemical localization of cholinesterase activity in the dental epithelium of guinea pig teeth. Anat Embryol 2004; 208: 281-287 (http://www.ncbi.nlm.nih.gov/pubmed/15224211)
JayawardenaCK,TakahashiN,andTakanoY. Aunique localization of mechanoreceptors in the periodontal tissue of guinea pig teeth. Arch. Histol. Cytol. 2002; 65: 233- 244. (http://www.ncbi.nlm.nih.gov/pubmed/12389662)
Jayawardena CK, Takahashi N, Watanabe E and Takano Y. On the origin of intrinsic matrix of acellular extrinsic fiber cementum: Studies on growing cementum pearls of normal and bisphosphonate-affected guinea pig molars. Eur J Oral Sci 2002; 110: 261–269. (http://www.ncbi.nlm.nih.gov/pubmed/12120713)