Poon Kah Chai practices at Dentalworks in Novena, Singapore. He completed BDS from National University of Singapore, Singapore in 1992,MDSc (Orthodontics) from University of Queensland,Australia in 1997 and FAMS (Orthodontics) from Academy of Medicine, Singapore in 2001. He is a member of Singapore Association of Orthodontists,Singapore Dental Association,Australian Society of Orthodontists,World Federation of Orthodontists (WFO) and Federation of International College of Dentists. Some of the services provided by the doctor are: Combined Orthodontic-Orthognathic Surgical Treatment,Face and Jaw Growth Modification,Crowns and Bridges Fixing,Muscle Spasm and Splinting and Aesthetic Porcelain Crowns and Veneers etc.