Restorative Dental Hygiene is a two-semester graduate certificate program open to registered dental hygienists who have a minimum of one year of work experience. Students will learn how to perform advanced restorative procedures and preventive measures. Restorative Dental Hygiene is a two-semester program designed for experienced dental hygienists looking to expand their scope of practice by treating clients with diverse oral health care needs and to increase their earning potential. Students will learn how to work with a broader dental team and perform advanced restorative procedures. To qualify for this program, you must be actively registered to practice dental hygiene with the College of Dental Hygienists of Ontario and have a minimum of one year of dental hygiene work experience. Upon successful completion, graduates simply apply to the CDHO for designation. No additional national competency exam is required.