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.

Self-Service-E  FAQ-E

Drugs in Dental Hygiene Practice

A Refresher Course

Drugs in Dental Hygiene Practice
Course Description

The self-study course provides an update in key aspects of recommending, prescribing, dispensing, selling and using drugs in the context of dental hygiene practice. The importance of resourcing appropriate drug reference materials and applying the information to support safe, effective client care will be emphasized.

Course Format

Prerequisite Learning

The College’s entry-to-practice requirements include an evaluation of the applicant’s dental hygiene curriculum, and all dental hygiene programs must include an acceptable pharmacology component. As such, all Registered Dental Hygienists have the prerequisite knowledge to be successful in the DDHPE but some may require a refresher that includes new changes to legislation, principles of prescribing, dispensing and selling, and groups of pharmaceuticals used to treat general and oral health problems.

For dental hygienists who wish to upgrade their pharmacology knowledge beyond the refresher course prior to taking the DDHPE and/or self-study component, dental hygiene pharmacology courses are available through

Distance Learning

The refresher course and DDHPE can be completed entirely on-line. The self-study course and the self-build study guide are downloadable files that can be saved and also printed. The examination is administered online and can be completed from any computer.

Required Resources 

Important Information

The Drug Regulation passed on September 29, 2017. Dental hygienists wishing to include prescribing, dispensing or selling drugs in their practice must successfully complete the Drugs in Dental Hygiene Practice Examination (DDHPE). The Drugs in Dental Hygiene Practice: A Refresher Course was designed to aid Ontario dental hygienists in preparing to write the DDHPE.

About the Examination