Guides · Careers · 5 min read

How to Become a Dental Assistant in Oregon

By Elizabeth Carr, DHA · 5 min read

Oregon does not license dental assistants. As the Board of Dentistry puts it, dental assistants are not licensed but must be certified in order to take x-rays or to perform certain expanded functions. Certification of radiologic proficiency is the gate on radiographs and a prerequisite for the EFDA and EFPDA certificates. Verify current rules with the Oregon Board of Dentistry before enrolling in any course.

Oregon does not license dental assistants. Certification is what the state requires in order to take x-rays or to perform certain expanded functions, including the EFDA, EFPDA and EFODA certificates. This guide comes from DentalReady's fifty-state requirements research: what you can do from day one in Oregon, the certifications that expand your duties, and the realistic path in. Rules change, so the Oregon Board of Dentistry link at the bottom is always the final word.

What you can do from day one

Oregon 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.

Duties Oregon allows dental assistants to perform (from DentalReady's state requirements research, checked August 17, 2026)
Allowed duty
Chairside assisting
Taking radiographs (with certification of radiologic proficiency)
Coronal polishing (with EFDA or EFPDA certification)
Applying sealants (with EFPDA certification) and fluoride
Taking impressions
Expanded orthodontic functions (with certification)

Certifications and X-rays in Oregon

Certification of radiologic proficiency required to expose radiographic images. Coronal polishing sits inside the EFDA and EFPDA certificates rather than carrying a certificate of its own.

Expanded function certifications available: EFDA, EFPDA, EFODA, and a restorative functions certificate that stacks on the EFDA. 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 Oregon, 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 Oregon Board of Dentistry.

Common questions

Do dental assistants need a license in Oregon?

No. The Oregon Board of Dentistry states that dental assistants are not licensed, but must be certified in order to take x-rays or to perform certain expanded functions. There is no credential required for basic entry-level assisting, so practices hire and train.

Can dental assistants take X-rays in Oregon?

Certification of radiologic proficiency is required. The route is a board approved course plus the Dental Radiation Health and Safety examination, then certification within six months from an Oregon licensed dentist or dental hygienist that you are proficient. Many assistants complete this after being hired, often with employer support.

Where do I verify Oregon's rules?

The Oregon 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 preparation

Sources

Written by Elizabeth Carr, DHA, Program Director, DentalReady; former Dental Hygiene Department Chair, UMMC School of Dentistry

Keep reading

Dental Assistant Salary in Oregon: What It Pays and What Raises ItHow to Become a Dental Assistant Without Going to SchoolDental Assistant Certification vs. Training: What Is the Difference?