How to Become a Dental Hygienist: Education, Licensing & Salary Guide
Dental hygienist consistently ranks among the best jobs in America — excellent salary ($81,400 median), regular hours, low stress, and only 2 to 3 years of education. Here’s the complete path to getting licensed.
Why Dental Hygiene?
- Salary: $81,400 median (top 10%: $104,000+)
- Education: 2 to 3 years (associate degree)
- Work-life balance: Regular business hours, no nights or weekends (usually)
- Job growth: 7% projected (faster than average)
- Flexibility: Part-time work is common and well-compensated
- Satisfaction: Ranked among the least stressful healthcare careers
The Path
1. Complete Prerequisites
- High school diploma or GED
- Prerequisite courses: biology, chemistry, anatomy, English, math
- Some programs require prerequisites before application; others include them
2. Dental Hygiene Program (2 – 3 Years)
Associate degree (most common path):
- 2 to 3 years at a community college or technical school
- Clinical rotations in dental offices and community settings
- ~340 accredited programs in the US (CODA accredited)
Bachelor’s degree (alternative path):
- 4 years at a university
- Required in some states for certain roles
- Better preparation for education, public health, or management
Program curriculum:
- Dental anatomy, oral pathology, periodontology
- Radiography, pharmacology, nutrition
- Clinical dental hygiene practice
- Community oral health, patient education
3. Pass the NBDHE
- National Board Dental Hygiene Examination
- 350 questions, computer-based
- Covers: dental hygiene science, clinical dental hygiene, community health
- Fee: $475
- First-time pass rate: ~95%
4. Pass a Clinical Exam
Most states require one of these regional/state clinical exams:
- ADEX (most widely accepted)
- CRDTS (Central Regional Dental Testing Service)
- State-specific clinical exams (a few states)
These exams test your clinical skills on live patients. Cost: $500 to $1,500.
5. Apply for State License
- State Board of Dentistry application
- Background check and fingerprinting
- Application fee: $50 to $300
- Processing: 2 to 8 weeks
Costs
| Expense | Range |
|---|---|
| Associate degree | $15,000 – $50,000 |
| Bachelor’s degree | $30,000 – $80,000 |
| NBDHE exam | $475 |
| Clinical exam | $500 – $1,500 |
| Application + background check | $80 – $350 |
| Instruments and supplies | $1,000 – $2,000 |
| Total (associate path) | $17,000 – $55,000 |
Salary by Setting
| Setting | Salary Range |
|---|---|
| Private dental office | $75,000 – $90,000 |
| Dental specialty practice | $80,000 – $100,000 |
| Public health/community | $65,000 – $80,000 |
| Temping/travel hygiene | $85,000 – $110,000 |
| Education | $60,000 – $75,000 |
Highest-paying states: California ($110,000+), Washington, Alaska, New Jersey, Connecticut
Hourly rate: Typically $35 to $55/hour, making part-time work highly lucrative.
Scope of Practice Varies by State
What dental hygienists can do depends on the state:
Expanded Scope States
Some states allow hygienists to:
- Practice with general supervision (dentist doesn’t need to be on-site)
- Administer local anesthesia
- Place restorative materials
- Practice in community settings without a dentist present
Restricted Scope States
Other states require:
- Direct dentist supervision for all procedures
- Dentist must be on-site during patient care
- No anesthesia administration
Check your state’s specific scope →
Dental Hygienist vs. Dental Assistant
| Factor | Dental Hygienist | Dental Assistant |
|---|---|---|
| Education | 2 – 3 years (associate degree) | 6 months – 2 years |
| Median salary | $81,400 | $38,660 |
| Licensure | Licensed in all states | Licensed in some states |
| Patient care | Independent clinical care (cleanings, exams) | Assists dentist during procedures |
| Scope | Diagnoses, treats, educates patients | Chairside assistance, X-rays, impressions |
Also compare: Dentist vs Dental Hygienist →
Frequently Asked Questions
How competitive are dental hygiene programs? Quite competitive. Most programs have more applicants than spots. Average accepted GPA: 3.2 to 3.5. Some programs use a point system based on GPA, prerequisite grades, and observation hours.
Can I work part-time as a dental hygienist? Yes — and many hygienists choose to. Because the hourly rate is high ($35 to $55), working 3 to 4 days per week still provides a very comfortable income. Part-time positions are widely available.
Is dental hygiene physically demanding? Moderate. The work involves repetitive hand motions (scaling, polishing) and sitting in ergonomically challenging positions. Carpal tunnel and neck/back issues are occupational hazards. Good ergonomic practices and regular breaks help prevent injury.
Can dental hygienists advance their careers? Yes. Paths include: specialty dental hygiene (periodontics, pediatrics), public health, dental hygiene education (teaching), dental sales, management, and advanced degrees (MS in dental hygiene, MPH). Some hygienists pursue dental school.
Do dental hygienists need continuing education? Yes. Most states require 12 to 30 hours of CE per renewal cycle (every 1 to 3 years). Topics include infection control, CPR recertification, and clinical updates.
Salary data from the Bureau of Labor Statistics. State requirements at LicenseCompass.