He obtained his Bachelor of Dental Surgery from the University of Singapore in 1978 and his Master of Dental Surgery from the National University of Singapore in 1982. He spent one year in the Crown and Bridge Department of the University of Zurich, Switzerland, where he trained in porcelain work and color. He has over 30 years of experience in Crown and Bridge Prosthondontics working in the Department of Restorative Dentistry, Dental Division, Ministry of Health, Singapore. Dr Vijayan is an Adjunct Senior Lecturer at the Dental Faculty, National University of Singapore and a Lecturer at the School of Health Sciences, Nanyang Polytechnic. His main interest in clinical dentistry is in crown and bridge prosthodontics, veneers, implants and dentures. Dr Vijayan also travels a fair bit doing charity healthcare trips to neighbouring countries to provide free dental care to the less privileged. He also gives free dental talks at organizations to help increase dental awareness.