College of Dental Hygienists of Ontario
The College of Dental Hygienists of Ontario regulates the practice of dental hygiene in the interest of the overall health and safety of the public of Ontario.

Self-Service-E  FAQ-E
CDHO Council Member


Helen Lightstone

Council Member
Public Member

Helen Lightstone, public member, was appointed by Ontario’s Lieutenant Governor in 2016. Ms. Lightstone is a licensed paralegal and a former Program Coordinator of the Mediation-Alternative Dispute Resolution program at Durham College. She volunteers with a local mediation service and her private practice includes workplace, community issues, and civil disputes. Helen is a member of the Law Society of Upper Canada, the Alternative Dispute Resolution Institute of Ontario and Canada, and the Whitby Chamber of Commerce. She holds a Master of Laws in Dispute Resolution from Osgoode Hall Law School. Ms. Lightstone is a member of the Inquiries, Complaints and Reports, Examinations, Discipline and Fitness to Practise committees.