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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

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 2023 holidays:
Family Day: February 20
Good Friday: April 7
Easter Monday: April 10
Victoria Day: May 22
Canada Day: July 3
Civic Holiday: August 7
Labour Day: September 4
Thanksgiving Day: October 9
Christmas Day: December 25
Boxing Day: December 26
The CDHA office will be closed from Monday, December 25, 2023, until Monday, January 1, 2024, inclusive, for the holiday season.