Examination Content
The exam consists of three parts: Written, Clinical and Radiology. An applicant must pass ALL THREE parts of the exam to be a Certified Ohio Dental Assistant.
- The written exam consists of approximately 250 multiple-choice questions.Topics Include:
- Chairside Skills
- Office Procedures
- Dental Anatomy
- Dental Specialties
- Dental Materials
- Sterilization/OSHA
- Preventive Procedures
- Dental/Medical Emergency Skills
- The clinical exam consists of basic dental assisting tasks.Tasks Include:
- Dental Materials
- Patient Education
- Matrix Retainers
- Chairside
- Dental Insurance
- Instrument Identification
- Bur Identification
- The radiology portion of the exam consists of:
- 101 Written questions
- Mounting x-rays
- Exposing x-ray
- The written exam consists of approximately 250 multiple-choice questions.Topics Include:
NOTE: HOLDING A CURRENT RADIOLOGY CERTIFICATE DOES NOT EXEMPT APPLICANT FROM TAKING AND PASSING THE RADIOLOGY PORTION OF THE EXAM.
Quick Links
- Download the CODA Brochure
- CODA Exam Application
- Employer Recommendation Form
- Instructor Recommendation Form
- Recertification Form
Test is now updated to reflect new information for dental assisting.
Examination Dates
Saturday, April 5 and Sunday, April 6, 2025
Fort Hayes Career Center
546 Jack Gibbs Blvd.
Columbus, OH 43215
Registration is open from 8:00am to 8:30am. Please bring application for the exam, CPR card and student ID or driver’s license to the testing site.
NO CELL PHONES DURING THE TEST!!!