Si vous desirez obtenir les informations du site en français, veuillez contacter le bureau a 416-925-6331 ext. 227 ou par email:
info@denturists-cdo.com. Merci!

About the College

What's New

  • Jul 29 New Revisions to COVID-19 Guidelines The College’s COVID-19 guidelines have been updated as a result of collaborative work between Ontario’s Oral Health Professions Regulators Read More
  • Jul 16 Fall 2021 OSCE Dates Announced The College is pleased to announce that it is scheduling administrations of the OSCE portion of the Qualifying Examination (QE) for this fall. Three administrations are scheduled, one each in September, October, and November of 2021. Read More

Contact Us

College of Denturists of Ontario

365 Bloor Street East, Suite 1606
Toronto, ON M4W 3L4
Get Directions

Office Hours

Monday to Friday - 8:30 a.m. to 4:00 p.m.

In order to reduce the likelihood of community transmission of COVID-19, the CDO will be temporarily shifting services to a virtual space as of March 17, 2020.  Learn More     


General Inquiries & Public Register

Tel : 416-925-6331 ext 226
Fax : 416-925-6332
Tel : 1-888-236-4326 (Ontario)

Accounting Inquiries

Tel: 416-925-6331 ext. 226

Complaint Inquiries

Tel : 416-925-6331 ext. 225



Policy & Practice Inquiries

Tel: 416-925-6331 ext. 224

Qualifying Examination Inquiries

Tel: 416-925-6331 ext. 227

Quality Assurance & Continuing Professional Development Inquiries

Tel: 416-925-6331 ext. 223


Registration Inquiries 

Tel: 416-925-6331 ext. 227

College Contacts

Complaints & Discipline

Contact: Catherine Mackowski, Manager, Professional Conduct 
Tel: 416-925-6331 ext. 225


Professional Corporations & Clinic Names

Contact:  Megan Callaway, Manager, Council & Corporate Services
Tel: 416-925-6331 ext. 226

Quality Assurance & Continuing Professional Development

Contact: Christine Hickey, Associate Manager, Quality Assurance
Tel: 416-925-6331 ext. 223

Registration & Qualifying Examinations

Contact: Roderick Tom-Ying, Manager, Registration & Qualifying Examinations
Tel: 416-925-6331 ext. 227

Regulatory Matters

Dr. Glenn Pettifer, Registrar & CEO
Tel: 416-925-6331 ext. 230
Megan Callaway, Manager, Council & Corporate Services
Tel: 416-925-6331 ext. 226