Guides · Careers · 5 min read
How to Become a Dental Assistant in District of Columbia
By Elizabeth Carr, DHA · 5 min read
The District of Columbia requires dental assistants to register with the DC Board of Dentistry at Level I, Level II or Level III. Only Level II and Level III registrants may place or expose x-ray film, so registration alone does not let you take radiographs. Common duties for assistants include chairside assisting, applying fluoride and taking impressions for study models. Verify current rules with the DC Board of Dentistry before enrolling in any course.
The District of Columbia requires dental assistants to register with the DC Board of Dentistry at one of three levels. Only Level II and Level III registrants may place or expose x-ray film. This guide comes from DentalReady's fifty-state requirements research: what you can do from day one in District of Columbia, the certifications that expand your duties, and the realistic path in. Rules change, so the DC Board of Dentistry link at the bottom is always the final word.
What you can do from day one
District of Columbia practices hire entry-level assistants and grow their duties with training. The table below lists duties the state allows dental assistants to perform, with training or certification requirements noted where they apply.
| Allowed duty |
|---|
| Chairside assisting |
| Taking radiographs (Level II or Level III registration) |
| Coronal polishing (Level III only) |
| Applying topical fluoride |
| Taking impressions for study models (final impressions not delegable) |
| Placing and removing rubber dams (Level II) |
Certifications and X-rays in District of Columbia
Registration with the DC Board of Dentistry at Level I, Level II or Level III. Every level requires a passing score on the District of Columbia Dental Assistant Law Examination. Radiography is limited to Level II and Level III, and the route is either the DANB Radiation Health and Safety examination or the Certified Dental Assistant examination, or a board-approved dental radiology program of at least twenty-four hours.
CPR certification required.
The fastest realistic path
Step 1: Build real preparation first: instruments, procedure flow, infection control, and patient communication, so a hiring dentist sees you as useful in week one.
Step 2: Apply to entry-level and willing-to-train postings across District of Columbia, and ask each practice which certifications they sponsor.
Step 3: Complete the certifications above as your duties grow, starting with radiography, and confirm every requirement with the DC Board of Dentistry.
Common questions
Do dental assistants need a license in District of Columbia?
Yes. No one may perform dental assistant duties in the District without a registration from the DC Board of Dentistry. There are three levels, and every level requires a passing score on the District of Columbia Dental Assistant Law Examination.
Can dental assistants take X-rays in District of Columbia?
Only at Level II or Level III. A Level I registrant may not place or expose x-ray film. The route is passing the DANB Radiation Health and Safety examination or the Certified Dental Assistant examination, or completing a board-approved dental radiology program of at least twenty-four hours.
Where do I verify District of Columbia's rules?
The DC Board of Dentistry publishes the current duty lists and certification requirements for dental assistants. Check it before enrolling in any course.
Walk into your first interview already knowing the room.
Start your preparationSources
Written by Elizabeth Carr, DHA, Program Director, DentalReady; former Dental Hygiene Department Chair, UMMC School of Dentistry
Keep reading
Dental Assistant Salary in the District of Columbia: What It Pays and What Raises ItHow to Become a Dental Assistant Without Going to SchoolDental Assistant Certification vs. Training: What Is the Difference?