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.

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 2021 holidays:
Family Day: February 15
Good Friday: April 2
Easter Monday: April 5
Victoria Day: May 24
Canada Day: July 1
Civic Holiday: August 2
Labour Day: September 6
National Day for Truth and Reconciliation: September 30
Thanksgiving Day: October 11
Christmas Day: December 25
Boxing Day: December 26
The CDHA office will be closed from Friday, December 24, 2021, until Sunday, January 2, 2022, inclusive, for the holiday season.