Overview of The Commission on Dental Testing in Ohio (CODT)
The Commission on Dental Testing in Ohio is a private not-for-profit organization, which develops, administers, scores and reports the results of examinations to the Ohio State Dental Board in their determination of eligibility for Expanded Functions Dental Auxiliary (EFDA) certification and registration.

News & Announcements
CODT news, announcements, and upcoming testing dates are listed below.
Registration windows close 30 days in advance of the exam dates.
** Recent Updates: CODT now has the capability to hold exams at various institutions throughout Ohio for increased convenience. Additionally, Clinical Exam Teeth to be tested are now publicized in advance (located below, next to each exam date.)
Next Open Ohio EFDA Examination Date
Upcoming EFDA Examination Dates
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Apr 05, 2020 (Closed Exam)
Exam Location: The Ohio State University Testing Clinical Exam Teeth: 13,27,29 -
May 02, 2020 (Closed Exam)
Exam Location: Stark State College Testing Clinical Exam Teeth: 13,27,29 -
May 08, 2020 (Closed Exam)
Exam Location: Eastern Gateway Community College Testing Clinical Exam Teeth: 13,27,29 -
May 15, 2020 (Closed Exam)
Exam Location: Sinclair Community College Testing Clinical Exam Teeth: 13,27,29 -
May 22, 2020 (Closed Exam)
Exam Location: Case Western Reserve University Testing Clinical Exam Teeth: 13,27,29 -
May 30, 2020 (Closed Exam)
Exam Location: Owens Community College Testing Clinical Exam Teeth: 13,27,29 -
Aug 01, 2020 (Closed Exam)
Exam Location: Stark State College Testing Clinical Exam Teeth: 13,27,29 -
Aug 08, 2020 (Open Exam)
Exam Location: The Ohio State University Testing Clinical Exam Teeth: 13,27,29 -
Aug 14, 2020 (Open Exam)
Exam Location: Blue Ash College Testing Clinical Exam Teeth: 13,27,29
Looking for answers to commonly asked questions? Check out our newly added Frequently Asked Questions (FAQ) page where you can also download our EFDA Exam Checklist PDF.