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
E-mail: info@cdha.ca

Staff Directory

Office hours

Monday to Thursday, 8:30 am to 4:30 pm ET
Friday, 8:30 am to noon ET
Friday, 8:30 am to 4:30 pm ET during the month of October
^*Friday, Nov 1, 2024: Membership services available 8:30 am to 4:30 pm ET

Notice: CDHA’s office will be closed from Tuesday, December 24, 2024 at noon ET until Wednesday, January 1, 2025, inclusive.

Closed for holidays

The CDHA office will be closed for the following 2024 holidays:
Family Day: February 19
Good Friday: March 29
Easter Monday: April 1
Victoria Day: May 20
Canada Day: July 1
Civic Holiday: August 5
Labour Day: September 2
Thanksgiving Day: October 14
Christmas Day: December 25
Boxing Day: December 26
The CDHA office will be closed from Tuesday, December 24, 2024 at noon ET, until Wednesday, January 1, 2025, inclusive, for the holiday season.