Dr. Dayan received his DDS from the University of Toronto in 1986 and his diploma in Orthodontics in 1991. Dr. Dayan became an Invisalign provider in 1999 and has treated over 3000 cases, and coached over 10,000 ClinChecks in his coaching site.  
Dr. Dayan is a registered speaker for Invisalign and currently teaches orthodontists internationally how to use Invisalign to achieve excellent results even in the most challenging cases.  He is a member of the Invisalign Clinical Studies Group involved in research and development of new and effective Invisalign techniques.

Dr. Dayan also coaches many clinicians to customise their own orthodontic and ClinCheck treatment plans for their individual patients.