Guides · Careers · 5 min read
How to Become a Dental Assistant in Missouri
By Elizabeth Carr, DHA · 5 min read
Missouri does not require dental assistant licensure. However, the state requires certification to take radiographs. Common duties for assistants include chairside assisting and taking radiographs (with certification). Radiography certification required. Verify current rules with the Missouri Dental Board before enrolling in any course.
Missouri does not require dental assistant licensure. However, the state requires certification to take radiographs. This guide comes from DentalReady's fifty-state requirements research: what you can do from day one in Missouri, the certifications that expand your duties, and the realistic path in. Rules change, so the Missouri Dental Board link at the bottom is always the final word.
What you can do from day one
Missouri 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 (with certification) |
| Coronal polishing |
| Applying topical fluoride |
| Taking impressions |
| Placing and removing rubber dams |
Certifications and X-rays in Missouri
No state licensure required. Radiography certification required.
CPR certification recommended.
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 Missouri, 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 Missouri Dental Board.
Common questions
Do dental assistants need a license in Missouri?
Missouri does not require dental assistant licensure. No state licensure required.
Can dental assistants take X-rays in Missouri?
Radiography certification required. Many assistants complete this after being hired, often with employer support.
Where do I verify Missouri's rules?
The Missouri Dental Board 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 Missouri: The Numbers and the LadderHow to Become a Dental Assistant Without Going to SchoolDental Assistant Certification vs. Training: What Is the Difference?