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Dental Assistant Salary in Colorado: What It Pays and What Raises It

By Elizabeth Carr, DHA · 5 min read

BLS reports a median wage of $48,340 a year, about $23.24 an hour, for dental assistants in Colorado in its May 2025 OEWS estimates. The range runs from about $38,500 at the 10th percentile to $60,540 at the 90th. Colorado does not license or register dental assistants, but its board rule requires anyone exposing patients to ionizing radiation to be eighteen and to complete at least eight and a half hours of specified safety training.

Colorado has no credential for dental assistants at all, and then writes one of the most specific radiography training rules in the country, down to the quarter hour.

What dental assistants earn in Colorado

The Bureau of Labor Statistics puts the annual median wage for dental assistants in Colorado at $48,340, about $23.24 an hour. That sits within $270 of the national median of $48,070, close enough that Colorado reads as an ordinary state on the midpoint alone. The annual mean is $50,230, $30 above the national mean of $50,200.

The spread matters more than the midpoint. In Colorado the bottom tenth of dental assistants earn about $38,500 a year and the top tenth about $60,540. That is a gap of roughly $22,040, 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 8,360 dental assistants working in Colorado, out of roughly 387,790 nationally.

Figures from the U.S. Bureau of Labor Statistics OEWS, May 2025 estimates (bls.gov/oes/tables.htm).

Dental assistant annual wages in Colorado (BLS OEWS, May 2025)
PercentileAnnual wage in ColoradoNational
10th percentile$38,500$37,130
25th percentile$45,520$44,340
Median (50th)$48,340$48,070
75th percentile$58,340$58,090
90th percentile$60,540$62,250
Mean$50,230$50,200

What raises it in Colorado

Colorado does not license, register or certify dental assistants. There is no title to apply for, no renewal and no continuing education attached to the role. What Colorado regulates instead is the task, and it regulates one task in unusual detail.

Rule 1.10 of the Colorado Dental Board's rules covers unlicensed personnel who expose patients to ionizing radiation. You must be at least eighteen. You must complete minimum safety education and training, and the rule sets out what that means: at least eight and a half hours, split into half an hour of dental nomenclature, two hours of machine operation and exposure factors, one hour of operator and patient safety, and practical or clinical experience covering four hours of intraoral and extraoral exposure technique, a quarter hour of film handling and storage, half an hour of processing, and a quarter hour of patient record documentation.

There are three ways to satisfy that. An approved program, meaning one approved by the Commission on Dental Accreditation, the Colorado Commission on Higher Education, the State Board of Community Colleges and Occupational Education, the Private Occupational School Division, or an equivalent in another state. On the job training by a licensed dentist or dental hygienist using a board approved educational module that covers the same content. Or passing DANB's Radiation Health and Safety examination or its Certified Dental Assistant examination.

The paperwork is part of the requirement, not an afterthought. Written verification comes from whoever provided the training, is signed by you, and names the provider, the hours, the completion date and which exposure techniques you were trained on, meaning bitewings, periapicals, occlusals and panoramic. One copy stays in your employment record at the practice and one stays with you. Keep yours. It travels with you between jobs and the board can ask the practice to produce it.

New hires get a window. A practice must ensure that newly hired untrained personnel comply within three months of starting in a role where they will be delegated the exposure of radiographic images. That is the honest answer to whether you can be hired without it. You can, briefly.

Your wider scope comes from statute rather than a permit. Under indirect supervision, a Colorado dental assistant may smooth and polish natural and restored tooth surfaces, provide preventive measures including fluoride and other recognized topical agents, gather patient history and do dental and periodontal charting, administer topical anesthetic, and repair and reline dentures on a signed laboratory work order. The statute closes with a genuine catch all: any other task or procedure that does not require the professional skill of a licensed dentist.

Nitrous oxide is where Colorado is more permissive than most. A dentist may delegate both the monitoring and the administration of nitrous oxide and oxygen inhalation to appropriately trained dental personnel under direct supervision. Note what the rule does not do. It sets no hour count and no named course. It puts the burden on the supervising dentist to ensure that the person administering or monitoring is appropriately trained, and it makes the dentist responsible for determining and documenting the maximum percent dosage and how long it was delivered.

So the Colorado ladder is not made of certificates. It is made of documented training and of duties your dentist is willing to delegate. The two pieces of paper worth holding are your signed radiography verification and, if you want the route that transfers cleanly across state lines, a DANB credential.

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 Colorado 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 Colorado is real and someone is being paid it.

What to do next

Get your signed radiography training verification, check that it names the hours, the date and the exposure techniques covered, and keep your own copy rather than leaving both at the practice.

Before you monitor or administer nitrous oxide, ask your supervising dentist to document the training they are relying on, since the Colorado rule places that responsibility on them rather than on a state permit.

If you are not working in Colorado yet, start with How to Become a Dental Assistant in Colorado, 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 Colorado?

BLS reports an annual mean of $50,230 and a median of $48,340 for dental assistants in Colorado in its May 2025 OEWS estimates. The bottom tenth earn about $38,500 and the top tenth about $60,540, against a national median of $48,070.

Do dental assistants need a license in Colorado?

No. Colorado does not license, register or certify dental assistants. There is no state credential, renewal or continuing education requirement for the role. Colorado regulates specific tasks instead, most notably exposing radiographs, which requires being at least eighteen and completing the safety education and training set out in the Colorado Dental Board's rules.

What training do you need to take x-rays in Colorado?

At least eight and a half hours of specified safety education and training, and you must be eighteen. You can satisfy it through an approved program, through on the job training by a dentist or hygienist using a board approved module, or by passing DANB's Radiation Health and Safety or Certified Dental Assistant examination. Signed written verification must be kept by you and the practice.

Can a Colorado dental assistant administer nitrous oxide?

Yes. A dentist may delegate both monitoring and administration of nitrous oxide and oxygen inhalation to appropriately trained dental personnel under direct supervision. The rule names no course and no hour count. The supervising dentist is responsible for ensuring the training is adequate and for determining and documenting the maximum percent dosage and the delivery time.

The top of that range belongs to somebody. Go be them.

Build the skills that move the number

Sources

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

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