In short
Dental assistants usually train in a certificate program or on the job and earned a median of $48,070 in May 2025. Dental hygienists need an associate degree from an accredited program and a state license, and earned a median of $98,100. Hygienists see their own patients for cleanings; assistants help the dentist during procedures.
| Side by side | Dental assistant | Dental hygienist |
|---|---|---|
| Median pay (May 2025) | $48,070 | $98,100 |
| Hourly equivalent | $23.11 | $47.16 |
| Typical way in | Certificate | Associate degree |
| On-the-job training | None listed | None listed |
| Jobs in the U.S. (2025) | 388,600 | 225,300 |
| Growth, 2025 to 2035 | 7.4% | 8% |
| Openings each year | 53,000 | 15,000 |
Source: BLS Employment Projections 2025 to 2035, national medians. Not a promise of what you will earn.
The work
Dental assistants prepare rooms, sterilize instruments, hand tools to the dentist, take X-rays where allowed and keep records. Hygienists clean teeth, take X-rays, check for gum disease and teach patients how to care for their teeth.
Getting there
Dental hygiene programs are competitive and science heavy, with prerequisites like anatomy and chemistry before you start. Every state licenses hygienists. Many hygienists started as assistants, which helps with admission and confidence.
Questions people ask
Is dental hygiene school hard?
It is demanding, with science courses and clinical work.
Can a dental assistant become a hygienist?
Yes, by completing an accredited hygiene program and licensing exams.
Which has more openings?
Dental assistants have more openings each year in BLS projections.