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 Thursday, 8:30 am to 4:30 pm ET
Friday, 8:30 am to noon ET

Closed for holidays

The CDHA office will be closed for the following 2022 holidays:
Family Day: February 21
Good Friday: April 15
Easter Monday: April 18
Victoria Day: May 23
Canada Day: July 1
Civic Holiday: August 1
Labour Day: September 5
National Day for Truth and Reconciliation: September 30
Thanksgiving Day: October 10
Christmas Day: December 25
Boxing Day: December 26
The CDHA office will be closed from Saturday, December 24, 2022, until Monday, January 2, 2023, inclusive, for the holiday season.