Free ATDH Practice Test %currentyear%: Exam Questions & Study Guide

ATDH Practice Test : Free Exam Questions & Study Guide

Professional female dental hygienist with fair skin in clean teal scrubs, holding a clipboard and smiling, clean white background, 500x500px, high-quality studio portrait.

The Admission Test for Dental Hygiene (ATDH) is a critical step for aspiring dental hygienists seeking entry into accredited programs. This standardized exam evaluates a candidate's readiness for rigorous coursework in dental hygiene schools. Our comprehensive guide covers everything from the ATDH exam structure to proven preparation strategies.

Successfully passing the Dental Hygiene Admissions Exam requires focused study and practice. Use our free ATDH practice test resources to familiarize yourself with the question types and boost your confidence before test day. Understanding the ATDH test format is key to achieving a competitive score.

⏱️
4h 50m
Time Limit
📝
180
Questions
350+
Good Score
💵
$140
Exam Fee
📊
200-500
Scale
🖥️
CBT
Format
🔄
90 Days
Retake Wait
🏢
Prometric
Centers
📍
USA/Can
Location
🩺
ADA
Admin
💻
Online
Registration
🎓
Hygiene
Programs

The Admission Test for Dental Hygiene serves as a national standard for evaluating applicants. High performance on the ATDH exam can significantly improve your chances of acceptance into top dental hygiene programs across North America.

Dental hygiene student with fair skin practicing on a model in a bright clinical training lab, modern equipment, realistic photography, natural lighting, 16:9 landscape.

Free ATDH Practice Tests

Start your preparation with our comprehensive ATDH practice test modules. Each quiz is designed to simulate the actual Dental Hygiene Entrance Exam environment.

ATDH Flashcards

Quick review for the Dental Hygiene Test

🧬
What is the primary function of mitochondria?
Mitochondria generate most of the chemical energy needed to power the cell's biochemical reactions, often called the powerhouse of the cell.
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🧪
Define pH scale.
The pH scale measures the acidity or basicity of an aqueous solution, ranging from 0 (very acidic) to 14 (very basic), with 7 being neutral.
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📖
What is a main idea?
The main idea is the primary point or concept that the author wants to communicate to the readers about the topic.
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📐
What is an integer?
An integer is a whole number (not a fractional number) that can be positive, negative, or zero.
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🦷
What is enamel?
Enamel is the hard, protective outer layer of the tooth, which is the hardest substance in the human body.
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✍️
What is subject-verb agreement?
Subject-verb agreement refers to the grammatical rule that the subject and verb in a sentence must agree in number (singular or plural).
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ATDH Exam Study Guide

Use this comprehensive ATDH study guide to navigate the requirements of the Dental Hygiene Admissions Exam. Our guide breaks down essential information for success.

What is the ATDH exam?The Admission Test for Dental Hygiene (ATDH) is a standardized exam used by dental hygiene programs to assess candidate readiness for academic success.
Who administers the ATDH test?The ATDH test is administered by the American Dental Association (ADA) Department of Testing Services.
Why take the Dental Hygiene Admissions Exam?Taking the Dental Hygiene Admissions Exam provides a standardized metric for schools to evaluate applicants from diverse educational backgrounds.
Is the ATDH test mandatory?While not all programs require it yet, many competitive schools mandate the ATDH test as part of their admission criteria.
How many questions are on the ATDH exam?The ATDH exam consists of approximately 180 multiple-choice questions across various subject areas.
How long is the ATDH test?The total administration time for the ATDH test is 4 hours and 50 minutes, including tutorials and breaks.
What subjects are on the ATDH exam?The ATDH exam covers reading comprehension, language usage, quantitative reasoning, perceptual motor ability, biology, and general chemistry.
Is the ATDH test computer-based?Yes, the ATDH test is a computer-based examination administered at Prometric test centers.
How do I register for the ATDH exam?You can register for the ATDH exam online through the official ADA website after obtaining a DENTPIN.
What is the ATDH exam cost?The ATDH exam cost is approximately $140, though fees are subject to change by the ADA.
Where can I take the ATDH test?The ATDH test is offered at Prometric testing centers throughout the United States and Canada.
Can I reschedule my ATDH exam?Yes, you can reschedule your ATDH exam appointment, but rescheduling fees may apply depending on how much notice you provide.
What is a good ATDH score?ATDH scores range from 200 to 500. A score above 350 is generally considered competitive for the Dental Hygiene Admissions Exam.
When do I get my ATDH scores?Official ATDH scores are typically reported within 3-4 weeks after your test date.
How are ATDH test scores calculated?ATDH test scores are scaled based on the number of correct answers, with no penalty for guessing.
Can I retake the ATDH exam?Yes, you can retake the ATDH exam after a 90-day waiting period, up to specific attempt limits.
What is the best way to study for the ATDH?Using a comprehensive ATDH study guide and taking multiple practice tests is the most effective preparation strategy.
Are there free ATDH practice questions?Yes, we offer free ATDH practice questions to help you assess your knowledge and identify weak areas.
How hard is the ATDH exam?The ATDH exam is challenging as it covers broad scientific and academic topics, requiring dedicated preparation.
Should I guess on the ATDH test?Yes, since there is no penalty for wrong answers on the ATDH test, you should answer every question.

ATDH Test Format

The ATDH test is divided into several sections designed to evaluate different cognitive skills. Understanding this structure is crucial for your ATDH test prep.

📖Reading Comprehension40 Items

Assesses ability to read, organize, and analyze dental-related texts.

Main IdeaAnalysisInferenceEvaluation
  • Topics: Scientific passages, detail recall, tone analysis
  • Questions: 40 multiple-choice questions
✍️Language Usage40 Items

Evaluates grammar, sentence structure, and written communication skills.

GrammarPunctuationSpelling
  • Topics: Syntax, mechanics, word usage
  • Questions: 40 multiple-choice questions
📐Quantitative Reasoning40 Items

Tests mathematical skills required for dental hygiene practice.

AlgebraProbabilityStatisticsConversions
  • Topics: Data interpretation, applied math
  • Questions: 40 multiple-choice questions
🧩Perceptual Motor Ability60 Items

Measures two-dimensional and three-dimensional spatial visualization.

Spatial RelationsAngle DiscriminationCube Counting
  • Topics: Pattern recognition, manipulation
  • Questions: 60 multiple-choice items
🧬Biology30 Items

Covers fundamental biological concepts relevant to healthcare.

Cell BiologyAnatomyPhysiologyGenetics
  • Topics: Body systems, cellular processes
  • Questions: 30 multiple-choice questions
🧪General Chemistry30 Items

Examines basic principles of general chemistry.

MatterBondingReactionsStoichiometry
  • Topics: Chemical properties, atomic structure
  • Questions: 30 multiple-choice questions
ATDH Study Guide Tip

Focus heavily on the Perceptual Motor Ability section, as it is unique to dental exams. Practice with spatial reasoning puzzles daily to improve your speed and accuracy for the ATDH exam.

ATDH Score Calculator

Estimate your ATDH exam performance

Total Scored Questions: 180
0180
135 out of 180 correct
75%
✓ PASS
Required to Pass:~350 Scaled
Your Score:135 correct
Questions Wrong:45

ATDH Score Interpretation

Understanding your ATDH scores is vital for application success. Scores are reported on a scale of 200 to 500.

350+
Competitive Score Target
Score RangeInterpretationCompetitivenessRecommendation
🏆 400-500ExceptionalTop 5%Highly Competitive
350-399AdvancedTop 25%Strong Applicant
👍 300-349ProficientAverageMeets Requirements
⚠️ 250-299DevelopingBelow AverageConsider Retake
200-249Below StandardLowRetake Recommended
ATDH Exam Prep Goal

Aim for a score of 350 or higher to stand out. Most top dental hygiene programs look for candidates who exceed the Admission Test for Dental Hygiene averages.

ATDH Registration Process

Follow this timeline to successfully register for and take the Dental Hygiene Entrance Exam.

📝
Step 1
DENTPIN
Obtain ID
💻
Step 2
Apply
Submit App
📅
Step 3
Schedule
Book Date
🎓
Step 4
Test
Take Exam
How to Register for the ATDH
  1. Obtain a DENTPIN - Register for a Dental Personal Identifier Number (DENTPIN) via the ADA website.
  2. Submit Application - Complete the ATDH exam application online and pay the fee.
  3. Receive Eligibility - Wait for the eligibility email confirming your application.
  4. Schedule Appointment - Book your test date at a Prometric center. ATDH programs online resources can help you choose dates.
  5. Prepare with ATDH Test Prep - Use our ATDH study guide and practice tests.
  6. Take the Exam - Arrive early at the testing center with valid ID.
  7. Receive Scores - Scores are released to you and your selected programs.

ATDH Test Costs

Budgeting for the ATDH test involves more than just the registration fee. Consider these potential costs.

💵
$140
Registration Fee
Standard exam fee
📅
$25+
Rescheduling
Depends on notice
📚
$50-$200
Prep Materials
Books & courses
📝
$50
Score Report
Additional reports
🔄
$140
Retake Fee
Per attempt
🚗
Varies
Travel
To test center
ATDH Investment

Plan to spend around $200-$350 total for the Admission Test for Dental Hygiene, including the exam fee and quality ATDH test prep materials.

Professional dental hygienist with fair skin examining a patient chairside in a modern dental office, focused expression, realistic photography, natural lighting, 16:9 landscape.

ATDH Career Paths

Passing the ATDH exam opens doors to various dental hygiene specialties.

🦷
Clinical Hygienist
Perform cleanings and exams in private practices. The standard role after passing the dental hygiene test.
👶
Pediatric Hygienist
Specialize in treating children. Requires patience and often specific knowledge from the ATDH test.
🏫
Public Health
Work in community clinics and schools. Focuses on education and prevention.
🔬
Research Hygienist
Conduct studies on oral health. Strong ATDH exam prep in sciences helps here.
🎓
Educator
Teach future hygienists in academic programs. Requires advanced experience.

ATDH Testing Contacts

Official organizations for the Admission Test for Dental Hygiene.

🏢
ADA
Test Administration

Website: ada.org

Services: ATDH exam registration

Contact: 800-232-1694

🖥️
Prometric
Testing Centers

Website: prometric.com

Services: Schedule ATDH test

Contact: Online scheduling

🎓
ADEA
Education Assoc.

Website: adea.org

Services: Program info

Contact: Online resources

📚
JCNDE
Examinations

Website: ada.org/jcnde

Services: Exam policy

Contact: Support team

Prepare for Success

Contact the ADA directly if you have specific questions about your ATDH candidate guide or eligibility status.

ATDH Test Day Checklist

Ready to Pass the ATDH?

Join thousands of students using our free ATDH exam prep resources.

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ATDH Exam Questions and Answers

The ATDH exam is considered challenging due to its comprehensive coverage of science, math, and reading. Success requires dedicated ATDH test prep and familiarity with the format.

The ATDH test lasts approximately 4 hours and 50 minutes, which includes time for tutorials and optional breaks between sections.

You can locate ATDH testing centers near me by visiting the Prometric website and searching for the Admission Test for Dental Hygiene availability in your area.

There is no single "passing" score, but competitive ATDH scores typically fall above 350. Each dental hygiene program sets its own admission requirements.

Yes, many resources offer ATDH study guide materials online, including our free practice tests and the official ATDH candidate guide from the ADA.

The Dental Hygiene Entrance Exam, or ATDH, is a standardized test used by dental hygiene programs to assess applicants' academic potential.

Yes, many ATDH programs online offer preparatory courses and study materials to help you get ready for the dental hygiene test.

The registration fee for the ATDH exam is approximately $140. Be sure to budget for additional costs like prep materials and rescheduling fees if needed.

The ATDH test contains around 180 multiple-choice questions covering reading, language, math, perceptual ability, and sciences.

No, the ATDH exam is specific to dental hygiene, while the TEAS is generally used for nursing. Always check if your program requires the Dental Hygiene Admissions Exam.

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