This is the official site for the Commission on Dental Testing in Ohio.
45 days left until exam - Registration Deadline is Jul 10, 2019

First-Time Applicants

If this is the first time you are applying for the EFDA examination with CODT, your first step is creating an account. Once your account is created, you can register for the examination. You will be required to upload several documents and can pay the examination fee securely through our website.

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Retake the EFDA Exam

If you already have a CODT online account and need to retake the EFDA exam, you can sign into your account below and register for the next examination date. Note: If you previously took an examination with CODT, but do NOT have an online account, please contact us instead and we will help you enroll.

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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.

Continuing Education for EFDA - Dentist

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 Ohio EFDA Examination Date


Upcoming EFDA Examination Dates

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.

EFDA Candidate Status Lookup

For EFDA candidates and dental institutions, you can check the status of an EFDA Candidate by searching below. Both fields are required.