# Ohio dental hygienist online dental CE > Role-specific live, online, correspondence, webinar, home-study, and self-study CE signals for dental hygienists renewing in Ohio. URL: https://dentovio.com/online-dental-ce/ohio/dental-hygienist Last verified: 2026-07-08 Research confidence: high Educational summary only, not compliance advice. CE course-format and provider rules can change. Confirm current dental hygienist online, live, webinar, correspondence, home-study, self-study, provider, and audit rules with the Ohio dental board before enrolling. ## Direct answer Dental hygienists in Ohio: 20 hours / 2 years (biennial). Online/live-course signal from Dentovio's sourced CE notes: MANDATORY: current Healthcare-Provider-level BLS/CPR + AED with hands-on skills every renewal (didactic may be online, but the clinical/compressions portion must be in person; Board accepts no substitute certification). LIVE-vs-SELF-STUDY: all 30 (dentist) and all 20 (hygienist) hours may be completed online or by correspondence — no live minimum. Confirm the current dental hygienist live, webinar, correspondence, home-study, self-study, provider, and audit rules with the Ohio dental board before enrolling. ## Dental hygienist CE snapshot 20 hours / 2 years (biennial) ## Online and live-course notes MANDATORY: current Healthcare-Provider-level BLS/CPR + AED with hands-on skills every renewal (didactic may be online, but the clinical/compressions portion must be in person; Board accepts no substitute certification). LIVE-vs-SELF-STUDY: all 30 (dentist) and all 20 (hygienist) hours may be completed online or by correspondence — no live minimum. ## Full renewal-cycle note Biennial cycle; dentists and hygienists renew on the odd/even schedule via the eLicense portal. Radiographers renew by Dec 31 of even years. MANDATORY: current Healthcare-Provider-level BLS/CPR + AED with hands-on skills every renewal (didactic may be online, but the clinical/compressions portion must be in person; Board accepts no substitute certification). NO separately mandated hour minimums for jurisprudence, ethics, or opioid/controlled-substance CE (infection control, pharmacology, etc. are listed as acceptable/permitted subjects, not required). LIVE-vs-SELF-STUDY: all 30 (dentist) and all 20 (hygienist) hours may be completed online or by correspondence — no live minimum. Courses must be from an ADA/CERP- or AGD-PACE-approved sponsor. NOTE: older secondary sources cite '40 hours' for dentists and '24 hours' for hygienists; these are outdated/incorrect — current ORC 4715.141 says 'not less than thirty hours' (dentist) and ORC 4715.25 says 'minimum of twenty hours' (hygienist). ## Official board source - ## References - - - - ## Related - [Ohio online dental CE](https://dentovio.com/online-dental-ce/ohio/index.html.md) - [Ohio dental hygienist CE requirements](https://dentovio.com/ce-requirements/ohio/dental-hygienist/index.html.md) - [Ohio dental license renewal](https://dentovio.com/dental-license-renewal/ohio/index.html.md) - [All online dental CE pages](https://dentovio.com/online-dental-ce/index.html.md) - [Dental CE hours tracker](https://dentovio.com/tools/ce-tracker/index.html.md)