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Dentovio public answer
In Ohio, dentists need 30 hours / 2 years (biennial); dental hygienists need 20 hours / 2 years (biennial); dental assistants: Dental X-ray Machine Operator (formerly Dental Assistant Radiographer): 2 hours / 2 years in dental x-ray/radiation technology.. Biennial cycle; dentists and hygienists renew on the odd/even schedule via the eLicense portal. Confirm current requirements with the Ohio dental board before renewing.
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