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College of Dental Hygienists of Ontario
The College of Dental Hygienists of Ontario regulates the practice of dental hygiene in the interest of the overall health and safety of the public of Ontario.

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Web/Server Maintenance September 28, 2019

Toronto | Sep 23, 2019

The CDHO’s website, Self-Service Portal and SMILE Portal will be down for maintenance from 6:00 p.m. on Saturday, September 28, 2019 to 8:00 a.m. on Sunday, September 29. The College apologizes for any inconvenience this may cause.