NBDHE Practice Test : Free Exam Questions & Study Guide

Registered dental hygienist holding NBDHE exam results in a modern dental office

Pass your National Board Dental Hygiene Examination NBDHE with confidence. Our free NBDHE Practice Test provides comprehensive coverage of the discipline-based and case-based components you need to master. Start your journey to becoming a registered dental hygienist (RDH) today.

We provide in-depth NBDHE Exam resources, including realistic sample questions, detailed study guides, and salary insights. Whether you are reviewing dental hygiene care protocols or community health research, our materials are designed to boost your NBDHE Pass Rate effectively.

⏱ïļ
9 Hours
Total Duration
📝
350
Total Questions
✅
75
Passing Score
ðŸ’ĩ
$565
Exam Fee
📊
91%
Avg Pass Rate
ðŸ–Ĩïļ
CBT
Computer Based
🔄
2-Year
Renewal Cycle
ðŸĒ
Pearson
Test Center
📍
National
Valid Across US
ðŸĐš
RDH
Job Title
ðŸ’ŧ
JCNDE
Test Provider
🎓
Accredited
Degree Req

Important Update: The JCNDE NBDHE continually updates its item bank. Candidates should focus on the latest guidelines for periodontics, radiology, and pharmacology. Always check the official NBDHE Candidate Guide for the most current protocols before your exam date.

Free NBDHE Practice Test

Take our free NBDHE Practice Test to assess your readiness for the real exam. These NBDHE Questions cover essential topics like dental hygiene care, pathology, and radiology. Regular practice is the key to achieving a high score and securing your license.

NBDHE Prep Flashcards

Quick review for the National Board Dental Hygiene Examination

ðŸĶ 
What is the primary cause of periodontal disease?
Bacterial plaque biofilm accumulation
START NBDHE PRACTICE TEST
💊
Which medication causes gingival enlargement?
Phenytoin (Dilantin), Cyclosporine, Nifedipine
START NBDHE MCQ QUIZ
ðŸĶ·
What is the critical pH for enamel demineralization?
ðŸĶī
Which radiograph best evaluates bone levels?
Vertical Bitewing radiograph
START NBDHE PRACTICE TEST
📋
ASA Classification for a patient with controlled hypertension?
🧂
Optimal fluoride concentration in water?
0.7 ppm (parts per million)
START NBDHE PRACTICE TEST

NBDHE Exam Study Guide

Our comprehensive NBDHE Study Guide breaks down the complex requirements of the exam. From registration details to the specific NBDHE Pass Rate statistics, this guide answers your most pressing questions about the National Board Dental Hygiene Examination NBDHE.

What is the NBDHE exam?The National Board Dental Hygiene Examination NBDHE is a standardized test that assesses the qualifications of dental hygienists for licensure. It is administered by the JCNDE and is required for licensure in all U.S. jurisdictions.
Who administers the ADA NBDHE?The exam is administered by the Joint Commission on National Dental Examinations (JCNDE), which operates under the American Dental Association (ADA) governance structure.
What is the NBDHE Pass Rate?The NBDHE Pass Rate is generally high, often hovering around 90% for first-time candidates from accredited programs. However, pass rates can fluctuate annually based on candidate performance.
Is the NBDHE Prep hard?The NBDHE Prep is challenging because it covers a vast amount of material, including biomedical sciences and clinical hygiene. Consistent study using an NBDHE Review course is recommended.

NBDHE Test Format

The NBDHE Test is designed to evaluate your competency in performing dental hygiene procedures. The exam is divided into two main sessions: discipline-based items and case-based items. Understanding this structure is crucial for your NBDHE Review.

🔎Scientific BasisSession 1

Focuses on the biomedical sciences required for dental hygiene practice.

AnatomyPhysiologyMicrobiologyPathology
  • Topics: Immunology, Nutrition, Pharmacology
  • Questions: ~60 Questions
ðŸĶ·Clinical HygieneSession 1

Covers the provision of clinical dental hygiene services and patient care.

PeriodontologyRadiologyMaterials
  • Topics: Assessment, Planning, Implementation
  • Questions: ~115 Questions
🌍Community HealthSession 1

Evaluates knowledge of community dental health programs and research.

BiostatisticsEpidemiologyEthicsResearch
  • Topics: Program Planning, Prevention Strategies
  • Questions: ~25 Questions
📁Case StudiesSession 2

Simulates clinical practice with detailed patient scenarios and exhibits.

Adult CasesChild CasesGeriatric CasesSpecial Needs
  • Topics: 12-15 Clinical Cases
  • Questions: ~150 Questions
🕒Exam TimingLogistics

The total appointment time at Pearson VUE is approximately 9 hours.

TutorialSession 1 (3.5h)Break (1h)Session 2 (4h)
  • Topics: Optional Survey included
  • Questions: 350 Total
🧠Question TypesFormat

Utilizes various item formats to test critical thinking.

Multiple ChoiceCase-BasedRadiograph IDChart Reading
  • Topics: Application of knowledge
  • Questions: Scored & Pilot Items
NBDHE Study Guide Tip

Prioritize "Medical Emergencies" and "Pharmacology" in your NBDHE Prep. These sections often contain critical safety questions that are heavily weighted in the exam scoring algorithm.

NBDHE Score Calculator

Estimate your readiness based on the 350-question NBDHE Exam Questions count.

Total Scored Questions: 350
0350
210 out of 350 correct
60%
✓ PASS
Required to Pass:~75 Scaled Score
Your Score:210 correct
Questions Wrong:140

NBDHE Salary Information

Passing the National Board Dental Hygiene Examination NBDHE unlocks high earning potential in the dental field.

$87,530
Median Annual Salary (RDH)
📊 Dental Hygienist Salary Progression
$65k
Entry
$78k
Early
$87k
Mid
$98k
Late
$70k
Public
$82k
Edu
Entry
$65k
Early
$78k
Mid
$87k
Late
$98k
Public
$70k
Edu
$82k
*Salaries vary by state, experience, and practice setting.
Experience LevelAnnual SalaryMonthly IncomeTypical Timeline
🎓 Entry-Level RDH$65,000$5,4160-2 Years
ðŸĶ· Experienced RDH$87,530$7,2943-9 Years
ðŸĨ Public Health RDH$72,000$6,000Varies
💞 Clinical Director$95,000$7,91610+ Years
ðŸŦ Hygiene Educator$82,000$6,8335+ Years + Degree
Career Outlook

The demand for dental hygienists is projected to grow 9% from 2021 to 2031, faster than the average for all occupations. Passing the NBDHE Exam is your gateway to this stable and rewarding career.

NBDHE Registration Process

The journey to taking the NBDHE Test involves specific steps mandated by the Joint Commission on National Dental Examinations (JCNDE).

🎓
Year 1-2
Education
Accredited Program
🆔
Pre-Exam
DENTPIN
Register ID
📝
Exam
Apply
JCNDE Application
🏆
Result
License
State Board
Step-by-Step Registration
  1. Obtain a DENTPIN - Register for your unique dental personal identifier number on the ADA website.
  2. Verify Eligibility - Ensure you are a student or graduate of a CODA-accredited dental hygiene program.
  3. Submit Application - Apply for the National Board Dental Hygiene Examination NBDHE via the JCNDE portal and pay the fee.
  4. Schedule Exam - Once approved, schedule your exam appointment with Pearson VUE NBDHE.
  5. Prepare - Use an NBDHE Study Guide and practice tests to prepare for the big day.
  6. Take the Exam - Bring valid ID to the test center and complete the 9-hour examination.
  7. Receive Scores - Review your NBDHE Results 3-4 weeks later and apply for state licensure.

NBDHE Test Costs

Understanding the NBDHE Cost is essential for budgeting your licensure journey. Fees are subject to change by the ADA.

ðŸ’ĩ
$565
Exam Fee
Standard NBDHE Application
📅
$125
Rescheduling
1-5 days before exam
🔄
$565
Retake Fee
Same as initial fee
📄
$50
Score Report
Additional copies
🏙ïļ
Varies
Clinical Exam
Regional clinical boards (ADEX/WREB)
🆔
$0
DENTPIN
Registration is free
Total Estimated Investment

Plan for approximately $1,500 - $2,500 total, including the NBDHE Exam fee, regional clinical exam fees (~$1,000+), and study materials. This investment leads to a career with strong earning potential.

NBDHE Career Opportunities

Passing the NBDHE opens doors to diverse specialties in dental hygiene.

ðŸĶ·
Clinical Hygienist
The most common role, focusing on patient care, prophylaxis, and periodontal therapy in private practice.
ðŸ‘ķ
Pediatric Hygienist
Specializes in treating children and adolescents, requiring patience and knowledge of primary dentition.
ðŸĨ
Public Health RDH
Works in community clinics or schools to provide care to underserved populations and promote oral health education.
ðŸŦ
Dental Hygiene Educator
Teaches future hygienists in academic settings, typically requiring a master's degree in addition to the NBDHE.
🔎
Research Hygienist
Conducts studies on new products, therapies, and disease trends for universities or oral care companies.

NBDHE Testing Contacts

For official inquiries regarding your application, scores, or testing accommodations.

ðŸĒ
JCNDE / ADA
Exam Governance

Website: ada.org/jcnde

Services: Applications, Scores, Guides

Contact: 800-232-1694

ðŸ’ŧ
Pearson VUE
Testing Centers

Website: pearsonvue.com

Services: Scheduling, Rescheduling

Contact: 888-456-7890

🆔
DENTPIN
Identification

Website: ada.org/dentpin

Services: ID Retrieval, Updates

Contact: dentpin@ada.org

📜
State Boards
Licensure

Website: AADB.org

Services: State Licenses, Renewals

Contact: Varies by State

Find NBDHE Jobs Near Me

After passing, search for "RDH jobs near me" or "entry-level dental hygienist positions" on major job boards. Networking with your local dental hygiene association is also highly recommended.

NBDHE Test Day Checklist

Ready to Pass the NBDHE?

Join thousands of dental hygiene students who have successfully passed their boards using our free resources. Start your NBDHE Prep today.

START FREE NBDHE PRACTICE TEST

NBDHE Renewal Requirements

While the NBDHE is a one-time exam, your state dental hygiene license requires regular renewal. Check your specific state board for exact details.

🔄
Renewal Cycle
Every 2 Years
📚
CE Credits
20-30 Hours
🚑
CPR Cert
BLS Required
Stay Compliant

Always maintain active BLS (Basic Life Support) certification and keep records of your Continuing Education (CE) credits in case of a state board audit.

NBDHE Exam Questions and Answers

What is the NBDHE Exam?

The National Board Dental Hygiene Examination NBDHE is a comprehensive exam required for dental hygiene licensure in the United States, administered by the JCNDE.

How many questions are on the NBDHE?

The exam consists of 350 total questions: 200 discipline-based items in the morning session and 150 case-based items in the afternoon session.

What is the passing score for the NBDHE?

The NBDHE Passing Score is a standard scaled score of 75. This is not a raw percentage but a statistical conversion of your raw score.

Where can I find an NBDHE Study Guide?

You can find our free NBDHE Study Guide above, as well as the official candidate guide on the JCNDE/ADA website.

Is the NBDHE hard?

Many students find the NBDHE Prep rigorous due to the breadth of material. However, with an average NBDHE Pass Rate of ~90%, diligent study usually leads to success.

How much does the NBDHE cost?

The NBDHE Cost is approximately $565. Be sure to check the ADA website for the most current fee structure as it changes annually.

Where are NBDHE testing centers near me?

The exam is administered at Pearson VUE NBDHE testing centers located throughout the United States and Canada. You can search for locations on the Pearson VUE website.

What happens if I fail the NBDHE?

If you do not pass, you must wait 90 days before you can retake the exam. You will receive a score report detailing your performance in each section.

How long does the NBDHE take?

The total appointment time is 9 hours, which includes a tutorial, an optional break, a post-exam survey, and approximately 7.5 hours of testing time.

What is the difference between NBDHE and regional boards?

The NBDHE Exam is a written national board exam, while regional boards (like WREB or CDCA) are practical clinical exams that test your hand skills on patients or manikins.

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