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How to become a registered dental assistant level i / registered dental assistant level ii in District of Columbia. Radiology certification required. OJT pathway available. Total initial fees: $385-$810. Verified 2026-03-21. Data verified 2026-03-21. Source: LicenseMap (getlicensemap.com).
Dental Assistant
4 sources cited · Last verified 2026-03-21 · Every number on this page links to its official source
RDA Level I / RDA Level II
Credential
Not Required
DANB CDA
Required
Radiology Cert
Available
Expanded Functions
24 hrs
CE Hours
$385-$810
Total Initial Fees
Formal Education & Training
VerifiedFormal Education
Not Required
Program Type
CODA-accredited program or OJT; Level II requires additional education/certification
CODA Accreditation Not Required
On-the-Job Training (OJT) Allowed
Program Length
9-12 months (formal program) or OJT equivalent
Minimum Education
High school diploma or GED
Many states allow dental assistants to enter the profession through on-the-job training (OJT), while others require completion of a CODA-accredited dental assisting program. Requirements vary significantly by state and credential level.
DANB CDA, Radiology & State Exams
VerifiedNot Required
DANB CDA Certification
Required
Radiology Certification
DANB CDA Details
DANB CDA accepted but not required; may satisfy Level II requirements
Radiology Certification Details
Radiology certification required; DANB RHS or board-approved equivalent accepted
CPR Certification Required
No State-Specific Exam
No DC-specific exam; national certifications (DANB) accepted for Level II registration
The DANB Certified Dental Assistant (CDA) credential is the nationally recognized standard, though not all states require it. Radiology certification is commonly required to take dental X-rays. CPR certification is required in most states.
Allowable Expanded Duties
VerifiedAllowed
Coronal Polishing
Allowed
Sealant Application
Allowed
Fluoride Application
Allowed
Impressions
Allowed
Temporaries
Not Allowed
Nitrous Oxide Monitoring
Separate EFDA Certification Required for Expanded Functions
Expanded functions allow dental assistants to perform additional procedures beyond basic chairside duties. Some states require a separate Expanded Functions Dental Assistant (EFDA) credential, additional training, or specific coursework to perform these duties.
Supervision Requirements
VerifiedSupervision Levels
Direct and general supervision depending on Level I vs Level II and procedure
Direct Supervision Procedures
Level II expanded functions, restorative procedures
Indirect Supervision Procedures
Coronal polishing, fluoride application, impressions (Level II)
General Supervision Procedures
Radiographs (with certification), sterilization, patient education
Dental assistants work under varying levels of supervision depending on the procedure. Direct supervision means the dentist must be physically present and authorize the procedure. Indirect supervision means the dentist is on-site. General supervision means the dentist has authorized the procedures but need not be on the premises.
| Fee | Amount |
|---|---|
Application Fee | $85 |
Exam Fee | DANB CDA: $425 (320 questions, 5.25 hours, Pearson VUE); DANB RHS: $300 (100 questions, 1.75 hours, Pearson VUE) |
License Fee | Included in application fee |
Renewal Fee | $85 |
Radiology Cert Fee | DANB RHS: $300 |
Total Initial Fees Includes application ($85), DANB RHS ($300); optional DANB CDA ($425) for Level II. Penalty fees: $250 (first offense), $500 (second offense) for practicing without registration. | $385-$810 |
Renewal & CE Requirements
Verified2 years (biennial)
Renewal Period
24 hrs
CE Hours Required
Yes
CPR Renewal
Required CE Topics
Renewal Fee
$85
Regulatory Board
Dental assistant credentials must be renewed on schedule. Most states require continuing education covering infection control, radiology safety, and dental practice updates. CPR certification renewal is required in most jurisdictions.
Out-of-State Reciprocity
VerifiedAccepts Out-of-State Credentials
Endorsement Available
Yes
Portability Details
DC reviews credentials from other states individually; DANB CDA holders may qualify for Level II registration
Reciprocity Requirements
Dental assistant credential reciprocity varies by state. States with similar requirements may offer endorsement pathways, while others require a full application including verification of education, certification, and work experience.
DC's two-tier dental assistant system (Level I and Level II) is paired with an explicit penalty structure - $250 for a first offense and $500 for a second offense for practicing without registration. This is one of the few jurisdictions with codified, escalating financial penalties specific to unlicensed dental assisting.
DC has a two-tier registration system: Level I (basic) and Level II (expanded functions).
DC enforces a structured penalty system: $250 for first offense and $500 for second offense for practicing without registration.
24 CE hours required per biennial renewal period - one of the higher CE requirements for dental assistants.
As a federal district (not a state), DC regulations are governed by the DC Municipal Regulations rather than state statutes.
Explore requirements for other professional licenses in District of Columbia.
How this state compares to 50 others for this profession
Timeline
#1 of 51
Salary
#5 of 51
Cost
#46 of 51
Processing
#1 of 51
Based on May 2024 Bureau of Labor Statistics OEWS data for Dental Assistants (SOC 31-9091)
Entry Level
$55,650
25th percentile
Median
$56,500
+19% vs. national avg ($47,300)Experienced
$58,640
75th percentile
Wage Distribution (Annual)
510 employed in this state
Source: BLS OEWS – Dental Assistants (May 2024)
National employment projections for 2024-2034
Projected Growth
+6.5%
Average GrowthNew Jobs
+24,800
over 10 years
Annual Openings
52,500
per year (avg.)
381,400 currently employed nationwide (2024)
Source: BLS Employment Projections 2024-2034 (September 2025)
Dental Career Ladder
You are here
Dental Assistant
$56,500
Dental assisting program (9-12 months)
DDS/DMD degree (4 years) + INBDE
You are here
Dental Assistant
Dental assisting program (9-12 months)
$56,500
Associate/bachelor's in dental hygiene + NBDHE
$127,900
DDS/DMD degree (4 years) + INBDE
Salary data from BLS OEWS May 2024 for this state. Career paths represent common advancement routes — actual progression may vary. Bureau of Labor Statistics — Occupational Outlook Handbook
Government fees and exam costs to obtain your initial license
Note: These are government licensing fees only. Education/training program costs (tuition, books, etc.) are not included as they vary widely by institution.
Estimated total: 4–16 weeks
Timeline estimated from licensing requirements on this page.
Source: District of Columbia Board of Dentistry — Licensing Requirements
2–6 weeks
Estimated processing time
Source: District of Columbia Board of Dentistry — Licensing Requirements
Study guides for the DANB CDA certification exam.
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Shop essential tools and supplies to get started in your career.
District of Columbia has specific certification requirements for dental assistants. An on-the-job training pathway is available. All licensing is managed through the District of Columbia Board of Dentistry.
Requirements vary by state. Always verify current requirements with your state licensing authority.