Dental Hygiene Programs 2026: CODA, NBDHE & Pay

Dental hygienists earn a median salary of $98,100 per year (BLS OEWS, May 2025), and the occupation is projected to grow 7.0% from 2024 to 2034 with about 15,300 openings each year (BLS Employment Projections, 2024-34). Dental hygiene programs prepare students to provide preventive oral care, including cleanings, periodontal assessments, radiographs, and patient education, under the supervision of a licensed dentist. The associate degree is the most common entry route and typically takes about two years, while bachelor’s programs add coursework in public health, research, and education. Graduates must complete a CODA-accredited program, pass the National Board Dental Hygiene Examination, and pass a regional or state clinical exam before applying for a state license.

What Is a Dental Hygiene Program?

A dental hygiene program trains students to deliver preventive and therapeutic oral health services as licensed clinicians. Unlike dental assisting, which supports the dentist chairside, dental hygiene is a licensed profession with its own scope of practice: hygienists assess periodontal health, remove plaque and calculus, expose and interpret dental radiographs, apply fluoride and sealants, and counsel patients on nutrition and home care. The curriculum combines biomedical sciences (anatomy, physiology, microbiology, pharmacology, head and neck anatomy) with dental sciences (oral pathology, periodontology, radiology, dental materials) and a large supervised clinical component in which students treat patients in an on-campus clinic and in community rotations.

Programs should hold accreditation from the Commission on Dental Accreditation (CODA), the agency recognized for dental and allied dental education. Graduation from a CODA-accredited program is required for licensure in every state, so accreditation status is the first thing to confirm when comparing schools.

What You’ll Learn

• Head and neck anatomy, tooth morphology, and oral histology and embryology
• Periodontal assessment, probing, charting, and treatment planning
• Scaling and root planing with hand instruments and ultrasonic devices
• Dental radiography: exposure technique, radiation safety, and image interpretation
• Oral pathology and recognition of abnormal findings for referral
• Pharmacology, medical emergencies, and management of medically complex patients
• Preventive agents including fluoride, sealants, and antimicrobial therapies
• Local anesthesia and nitrous oxide administration, where permitted by state practice acts
• Infection control, OSHA standards, and sterilization protocols
• Patient education, motivational interviewing, and community oral health programs
• Ethics, jurisprudence, and the dental hygiene process of care

How Long Does Training Take?

Most students enter the profession through an associate degree in dental hygiene, typically a two-year program once prerequisites are complete. Many schools require a semester or more of prerequisite coursework (general chemistry, biology, anatomy and physiology, English, psychology) before admission to the professional sequence, so total time on campus is often closer to three years.

Bachelor of Science programs in dental hygiene usually take four years and include the same clinical preparation plus additional coursework in public health, research methods, education, and practice management. Degree-completion programs are designed for licensed hygienists who already hold an associate degree and want to finish a bachelor’s, often online, without repeating clinical training. Master’s programs exist for hygienists moving into teaching, research, or public health leadership.

Whichever route you choose, expect a substantial number of supervised clinical patient-care hours. Clinical requirements progress from working on classmates and typodonts to treating patients with increasingly complex periodontal needs, and every CODA-accredited program must demonstrate that students meet competency standards before graduation.

Admissions & Requirements

• High school diploma or GED; competitive programs often look for strong grades in biology and chemistry
• Completion of college prerequisite courses, commonly anatomy and physiology, chemistry, microbiology, English composition, and psychology
• Minimum GPA thresholds set by the program, frequently applied to prerequisite science courses
• Entrance exams such as the TEAS or HESI at some schools
• Observation or shadowing hours in a dental office at many programs
• Background check, drug screening, and current immunizations (hepatitis B, TB screening) for clinical placement
• CPR/BLS certification for healthcare providers before starting clinic
• Manual dexterity, good vision, and the ability to sit in sustained working positions

Dental hygiene programs are frequently selective because clinic capacity limits class size. Applying to more than one program and completing prerequisites with strong grades improves your chances of admission.

Licensing & Certification

Dental hygienists are licensed by state boards of dentistry, and licensure requires three things in nearly every state:

1. Graduation from a CODA-accredited dental hygiene program.
2. Passing the National Board Dental Hygiene Examination (NBDHE), a written exam administered by the Joint Commission on National Dental Examinations that covers scientific basis, clinical dental hygiene services, and community health.
3. Passing a clinical examination. Most states accept a regional clinical exam, and several regional testing agencies now offer a common clinical exam format. Some states administer their own exam or require additional components such as a jurisprudence exam on state law.

Scope of practice varies by state. Local anesthesia administration, nitrous oxide monitoring, and expanded functions such as placing restorations or practicing under general supervision are permitted in some states and restricted in others, and states that allow them often require a separate permit or documented coursework. Because these rules differ, confirm what your intended state allows and whether your program includes the required training. Licenses are renewed on a state-set cycle with continuing education requirements.

Career Outlook & Salary

According to BLS OEWS data for May 2025, dental hygienists earned a median annual wage of $98,100. The lowest 10 percent earned $74,880 or less, and the highest 10 percent earned $126,050 or more. The occupation employed 222,740 hygienists nationally as of May 2025.

BLS Employment Projections for 2024-34 show employment growing 7.0 percent over the decade, with about 15,300 openings per year from growth and from replacing workers who retire or change occupations. Demand is supported by an aging population that retains more natural teeth, growing evidence linking oral health to systemic conditions, and continued expansion of dental practices and community health centers. Wages vary considerably by state and metropolitan area; see the salary-by-state table below for BLS figures in your region.

Where You’ll Work

The large majority of dental hygienists work in private dental offices, from single-dentist general practices to multi-location group practices and periodontal specialty offices. Many hygienists work part time or split their week between two practices, which is common in the field. Other settings include community and federally qualified health centers, public health departments, school-based sealant programs, hospitals, long-term care facilities, and mobile or teledentistry programs that reach underserved communities. Hygienists with bachelor’s or master’s degrees also work in dental hygiene education, corporate roles with dental product manufacturers, research, and public health administration.

Online vs In-Person Options

Entry-level dental hygiene training cannot be completed fully online. Clinical competency requires hands-on instruction in a supervised clinic, and CODA standards require direct patient care. Some programs deliver a portion of the didactic coursework, such as pharmacology, ethics, or community health, in an online or hybrid format while clinic and lab sessions remain on campus.

Online options are far more common at the degree-completion level. Licensed hygienists who hold an associate degree can often finish a bachelor’s degree entirely online, since the clinical requirement was already satisfied in their first program. When comparing any hybrid or online offering, verify that the program is CODA-accredited (for entry-level) or that it is a degree-completion program that admits only licensed hygienists.

Finding a Program

Start by confirming CODA accreditation, then compare programs on clinical hours, patient volume in the on-campus clinic, prerequisite requirements, and whether local anesthesia training is included. Talk with recent graduates about how prepared they felt for the NBDHE and the clinical board exam.

If you are weighing dental hygiene against other oral health or allied health roles, these guides can help:

• Dental Hygienist career guide: day-to-day duties, work settings, and advancement paths
• Dental assistant programs: a shorter entry point into dental offices, and a common stepping stone into hygiene
• Medical assistant programs: clinical and administrative training for medical rather than dental practices

Career Guide

Dental hygiene is one of the few allied health professions where an associate degree leads directly to a licensed clinical role with its own scope of practice. Many hygienists build long careers in private practice, while others use a bachelor’s or master’s degree to move into education, public health, or corporate positions. The Dental Hygienist career guide covers a typical workday, the differences between general and periodontal practice, and how scope-of-practice rules shape what you can do in each state.

Explore related career guides in our healthcare career center.

Compare This Program

Not sure this is the right path? See how it stacks up against similar programs:

• Dental Assistant vs Dental Hygienist

Career Questions

Common questions people ask before enrolling, answered with BLS data:

• Dental Assistant to Dental Hygienist: How the Path Works
• How Long Does It Take to Become a Dental Hygienist?

FAQs

Do I need a bachelor’s degree to become a dental hygienist?

No. An associate degree from a CODA-accredited program meets the educational requirement for licensure in every state, and it is the most common route into the profession. A bachelor’s degree is generally needed for roles in teaching, public health, research, or corporate settings, and many hygienists complete a bachelor’s later through an online degree-completion program.

What is the difference between a dental assistant and a dental hygienist?

Dental assistants support the dentist chairside, prepare instruments, take impressions, and handle office tasks, and training is typically a certificate or diploma. Dental hygienists are licensed clinicians who perform periodontal assessments, cleanings, and preventive treatments independently within the practice, which requires an associate or bachelor’s degree, the NBDHE, and a clinical licensing exam. Working as a dental assistant first is a common pathway; it builds familiarity with the clinical environment and can strengthen a hygiene school application. See our dental assistant program guide for that route.

Which exams are required for a dental hygiene license?

Every state requires the National Board Dental Hygiene Examination (NBDHE), a written exam. States also require a clinical examination, most often administered by a regional testing agency, though a few states run their own. Many states add a jurisprudence exam covering state dental law, and states that permit local anesthesia may require a separate exam or permit.

Can dental hygienists give local anesthesia?

It depends on the state. Most states allow hygienists to administer local anesthesia after completing approved coursework, and some also permit nitrous oxide monitoring or other expanded functions. A smaller number of states restrict or prohibit it. Check your state board of dentistry’s practice act, and ask whether a program includes anesthesia training if you plan to practice in a state that permits it.

Can I complete a dental hygiene program online?

Entry-level programs require in-person clinical training and cannot be completed entirely online, though some didactic courses may be offered in a hybrid format. Fully online options are common for degree-completion programs that admit hygienists who are already licensed and hold an associate degree.

How much do dental hygienists earn?

BLS OEWS data for May 2025 report a median annual wage of $98,100 for dental hygienists, with the lowest 10 percent earning $74,880 or less and the highest 10 percent earning $126,050 or more. Pay varies by state, metropolitan area, practice type, and whether the position is full time or part time.

Salary data reflects U.S. Bureau of Labor Statistics, Occupational Employment and Wage Statistics (OEWS) for May 2025, and projections reflect BLS Employment Projections for 2024-34. Actual salaries vary by location, experience, and employer. Program availability and requirements vary by school and state.

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