Contact Information

Canadian Dental Hygienists Association (CDHA)

1122 Wellington St W,
Ottawa, ON K1Y 2Y7

Phone: 1-800-267-5235 or (613) 224-5515
Fax: (613) 224-7283
Staff Directory


Based on the recommendations of Canada’s public health experts, all CDHA staff are working remotely as of March 13, 2020. The building is closed, but member services and all other operations continue uninterrupted.

Regular office hours

Monday to Friday, 8:30 am to 4:30 pm ET

Closed for holidays

The CDHA office will be closed for the following 2020 holidays:
Family Day: February 17
Good Friday: April 10
Easter Monday: April 13
Victoria Day: May 18
Canada Day: July 1
Civic Holiday: August 3
Labour Day: September 7
Thanksgiving Day: October 12
Remembrance Day: November 11
Christmas Day: December 25
Boxing Day: December 26
The CDHA office will be closed from Friday, December 25, 2020, until Friday, January 1, 2021, inclusive, for the holiday season.