Guides · Careers · 5 min read
Dental Assistant Salary in Delaware: The Numbers and the Ladder
By Elizabeth Carr, DHA · 5 min read
BLS reports a median wage of $47,600 a year, about $22.89 an hour, for dental assistants in Delaware in its May 2025 OEWS estimates. The range runs from about $36,410 at the 10th percentile to $56,840 at the 90th. Delaware's dental board issues no assistant credential, but the state's radiation control authority requires a certificate to operate dental x-ray equipment, obtainable by examination or by holding a current DANB credential.
Delaware's dental board asks nothing of assistants. The one credential you actually need comes from a different agency entirely, the state's radiation control authority.
What dental assistants earn in Delaware
The Bureau of Labor Statistics puts the annual median wage for dental assistants in Delaware at $47,600, about $22.89 an hour. That sits within $470 of the national median of $48,070, close enough that Delaware reads as an ordinary state on the midpoint alone. The annual mean is $47,520, $2,680 below the national mean of $50,200.
The spread matters more than the midpoint. In Delaware the bottom tenth of dental assistants earn about $36,410 a year and the top tenth about $56,840. That is a gap of roughly $20,430, and it is the part of the picture a single average hides. Two assistants in the same city can sit at opposite ends of that range.
BLS counts about 990 dental assistants working in Delaware, out of roughly 387,790 nationally.
Figures from the U.S. Bureau of Labor Statistics OEWS, May 2025 estimates (bls.gov/oes/tables.htm).
| Percentile | Annual wage in Delaware | National |
|---|---|---|
| 10th percentile | $36,410 | $37,130 |
| 25th percentile | $43,480 | $44,340 |
| Median (50th) | $47,600 | $48,070 |
| 75th percentile | $55,650 | $58,090 |
| 90th percentile | $56,840 | $62,250 |
| Mean | $47,520 | $50,200 |
What raises it in Delaware
Delaware is a two agency state, and missing that is how people get the rules wrong. The Board of Dentistry and Dental Hygiene regulates dentists and hygienists. It does not license, register or certify dental assistants at all. The credential that actually gates your work comes from the state's radiation control authority under the Department of Health and Social Services.
Start with what the dental side says, because it is short. Delaware law defines a dental assistant as a person not licensed to practise dentistry or dental hygiene who aids a dentist in generalized tasks, and it names chairside aid, clerical work, reception, radiography and dental laboratory work among them, along with any other task the dentist delegates.
The board's auxiliary personnel rule sets the boundary. A dentist may delegate to competent auxiliary personnel those procedures for which the dentist exercises direct supervision and full responsibility, except procedures requiring professional judgment and skill, such as diagnosis and treatment planning, the cutting of hard or soft tissue, and any intraoral procedure leading to the fabrication of an appliance or restoration that could result in tissue irritation or injury. Adequate training of auxiliary personnel is the dentist's responsibility, and competency is the individual dentist's call.
Now the part that is a real credential. Delaware's Radiation Technologist and Technician Certification regulation requires certification to operate sources of radiation on patients, and two of its certificate titles apply to dental practice: dental radiation technician, and certified dental assistant. You must be at least eighteen, or currently enrolled in and attending an educational program in radiation technology.
There are two routes to the certificate. Pass the authority approved certification examination, or hold a current national credential from a recognized credentialing body and submit proof of it. DANB is named as one of those recognized bodies, which is what makes DANB certification the clean route for a dental assistant in Delaware.
The renewal cycle is longer than most states, three years, and the rule is unforgiving about the gap. A technologist or technician whose certificate expires may not administer radiation to patients until it has been renewed. If your certificate rests on a national credential, renewal requires proof that the national credential is still valid, so letting your DANB certification lapse takes your Delaware certificate with it.
There is no expanded function title in Delaware, no coronal polishing certificate and no sealant certificate. Anything beyond radiography is a matter of what your dentist delegates within the limits of the auxiliary personnel rule and is trained and responsible for. That makes the Delaware ladder short and the radiography certificate disproportionately important. It is the only piece of paper the state actually demands of you, and it is the one that stops you working the day it expires.
What experience and setting actually change
Nationally, BLS does publish a wage difference by employer type. Dental assistants in ambulatory health care services, which is where nearly all of them work, average $50,050 a year. Those working in hospitals average $54,860, and those in government settings average $56,640. Those are national figures, not Delaware figures, and the government and hospital groups are small enough that you should read them as a hint, not a promise.
BLS does not publish wages by years of experience, and it does not publish a separate wage for assistants who hold a particular state permit. Anyone who gives you a precise number for either is estimating. What the percentile spread above does tell you is that the top of the range in Delaware is real and someone is being paid it.
What to do next
Apply to the Delaware Office of Radiation Control for your certificate before you operate any dental x-ray equipment, and diary the three year renewal date the day it is issued.
If your certificate is based on a DANB credential, keep that national credential current, because Delaware renewal requires proof it is still valid.
If you are not working in Delaware yet, start with How to Become a Dental Assistant in Delaware, which covers what the state lets you do on day one and what you have to earn before you can do more. For the national picture and the levers that apply everywhere, see How Much Do Dental Assistants Make?.
Common questions
What is the average dental assistant salary in Delaware?
BLS reports an annual mean of $47,520 and a median of $47,600 for dental assistants in Delaware in its May 2025 OEWS estimates. The bottom tenth earn about $36,410 and the top tenth about $56,840, against a national median of $48,070.
Do dental assistants need a license in Delaware?
Not from the dental board. The Delaware Board of Dentistry and Dental Hygiene issues no credential for dental assistants and its rules leave training and competency to the supervising dentist. The credential Delaware does require is a radiation certificate from the state's radiation control authority, needed before you operate dental x-ray equipment on patients.
How do you get certified to take x-rays in Delaware?
Through the state's radiation control authority, under the Radiation Technologist and Technician Certification regulation. You must be at least eighteen, or enrolled in a radiation technology program. You either pass the authority approved certification examination or submit proof of a current national credential from a recognized body, which includes DANB. The certificate renews every three years.
Does Delaware have an expanded function dental assistant title?
No expanded function, coronal polishing or sealant credential for dental assistants was found in Delaware law or in the Board of Dentistry's rules. Duties beyond radiography come from what your dentist delegates under direct supervision and full responsibility, within the limits of the auxiliary personnel rule. Confirm any specific duty with the board before performing it.
The top of that range belongs to somebody. Go be them.
Build the skills that move the numberSources
- U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS) data tables, May 2025 state estimates for Dental Assistants (SOC 31-9091), checked August 20, 2026
- 16 Del. Admin. Code 4466, Radiation Technologist/Technician Certification, Delaware Department of Health and Social Services, checked August 20, 2026
- 24 Del. Admin. Code 1100-2.0, Auxiliary Personnel, Delaware Board of Dentistry and Dental Hygiene, checked August 20, 2026
- 24 Del. C. chapter 11, Dentistry and Dental Hygiene, definition of dental assistant, checked August 20, 2026
- American Dental Assistants Association: dental assisting requirements by state (checked August 20, 2026)
- U.S. Bureau of Labor Statistics: Dental Assistants, Occupational Outlook Handbook (checked August 20, 2026)
Written by Elizabeth Carr, DHA, Program Director, DentalReady; former Dental Hygiene Department Chair, UMMC School of Dentistry
Keep reading
How to Become a Dental Assistant in DelawareHow Much Do Dental Assistants Make? The Numbers, and How to Raise ThemDental Office Staff Salaries: What Every Role Earns