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

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.