Chankhrit is an Adjunct Professor of Endodontics at Charles Sturt University. Formerly he was an Adjunct Associate Professor of Endodontic Research at La Trobe University and Convenor of the Predoctoral Endodontics and Graduate Certificate in Clinical Dentistry Programmes at The University of Melbourne. He completed Endodontic specialist training and a PhD at The University of Melbourne and became a member of the Royal Australasian College of Dental Surgeons in the Special Stream of Endodontics.  His basic dental training was from Thailand.
 
His area of research focuses on evidence-based Endodontics, systematic reviews, effectiveness and efficiency of various interventions. Based on the cumulative publication of his research studies, Chankhrit has been awarded The Ernest Joske Research Award for work that constitutes an important contribution to dental science research.
 
He has been invited to speak at several national and international Endodontic congresses such as ASE, ADA, IFEA, and ESE. He is an editorial board member of the Journal of Endodontics, International Endodontic Journal, Dental Traumatology, New Zealand Dental Journal, Journal of Dentistry, and European Journal of Dentistry. He maintains a private practice limited to Endodontics in Melbourne and Sydney.