Dental School
DAT Study Guide
Everything for dental school admission — DAT format, PAT practice, official ADA tests, and application through AADSAS.
DAT Exam Format
The Dental Admission Test (DAT) is administered by the ADA and required for nearly all U.S. dental schools. The exam takes about 4.5 hours at a Prometric center. Scores use a 1–30 scale per section; the Academic Average (AA) is the most cited composite score.
| Section | Name | Questions | Time | Topics |
|---|---|---|---|---|
| SNS | Survey of Natural Sciences | 100 | 90 min | Biology (40%), Gen Chem (30%), Org Chem (30%) |
| PAT | Perceptual Ability Test | 90 | 60 min | Keyholes, TFE, angle ranking, hole punching, cube counting, pattern folding |
| RC | Reading Comprehension | 50 | 60 min | 3 passages — science and dental topics |
| QR | Quantitative Reasoning | 40 | 45 min | Algebra, word problems, data analysis, conversions |
Prerequisites
| Course | When | Priority |
|---|---|---|
| General Biology I & II (with lab) | Community college | Required |
| General Chemistry I & II (with lab) | Community college | Required |
| Organic Chemistry I & II | CC or after transfer | Required |
| Physics I & II | CC or after transfer | Required at most schools |
| Biochemistry | After transfer | Recommended — tested on DAT |
| English composition | Any time | Required for bachelor's |
CC student tip: Finish biology and general chemistry at community college, then complete organic chemistry and physics after transfer — take the DAT in junior or senior year.
Score Targets (Academic Average)
| AA Score | Percentile | What it means |
|---|---|---|
| 22+ | ~90th+ AA | Competitive at top dental programs |
| 20–21 | ~75th–89th | Solid for many dental schools |
| 18–19 | ~50th–74th | Workable with strong GPA and shadowing |
| 17 | ~25th–49th | Consider retake; strengthen other app areas |
| Below 17 | <25th | Retake recommended for most programs |
PAT scores are reported separately — a strong PAT (20+) helps, especially if your AA is borderline.
High-Yield Content
Biology
- Cell biology, mitosis/meiosis, and genetics
- Evolution and ecology basics
- Human anatomy and physiology (digestive, nervous, endocrine)
- Microbiology and immunology fundamentals
- Developmental biology and embryology
General Chemistry
- Stoichiometry, gases, and thermochemistry
- Acid-base, buffers, and electrochemistry
- Atomic structure and periodic trends
- Equilibrium and kinetics
Organic Chemistry
- Functional groups and nomenclature
- Reaction mechanisms (SN1/SN2, E1/E2)
- Stereochemistry and spectroscopy basics
- Carbonyl chemistry and amino acids
PAT
- Practice daily — PAT is unique to the DAT and cannot be crammed in one week
- Angle ranking and hole punching are highest-yield to drill
- Use a grid notebook for pattern folding and cube counting
- Build speed: aim for ~40 seconds per PAT question
Study Plan (8–12 Weeks)
Standard prep (8–12 weeks · ~20 hrs/week)
| Mon–Wed | 3 hrs/day | Content review (bio/chem/org) + 30 PAT problems |
| Thursday | 3 hrs | Reading comp timed passages + QR practice |
| Friday | 2 hrs | Review missed questions from the week |
| Saturday | 4 hrs | Full-length or half-length practice test |
| Sunday | Rest | Recovery — PAT benefits from fresh eyes |
PAT is the differentiator. Start PAT practice from day one — 30 problems daily. Students who only focus on sciences often score well on SNS but lose points on PAT.
Official ADA Practice Tests
The ADA writes the real DAT — their practice materials are the gold standard. No free full-length official test exists, but modules are affordable.
| Resource | Format | Cost | Scored? | Best use |
|---|---|---|---|---|
| ADA Official DAT Practice Test (modules) | Per-section modules | $20 each · $100 full set | Raw correct count | Only official practice written by DAT constructors |
| ADA DAT Candidate Guide | Official policies & content outline | Free | N/A | Read before registering — required for application |
| ADEA GoDental | Application & school requirements | Free | N/A | AADSAS timeline, prerequisites, and school research |
Third-Party Prep & Free Practice Tests
| Resource | Format | Cost | Scored? | Best use |
|---|---|---|---|---|
| Kaplan Free DAT Practice Test | Full-length | Free | Yes (approximate) | Early diagnostic before buying official materials |
| Princeton Review Free DAT Test | Full-length | Free | Yes (approximate) | Extra early practice — scores may differ from real DAT |
| DAT Booster | QBank + PAT generators + practice tests | Paid subscription | Yes | Popular all-in-one prep — strong PAT tools |
| DAT Bootcamp | QBank + video review + practice tests | Paid subscription | Yes | Alternative to Booster with similar PAT focus |
| DAT Destroyer / Math Destroyer | Question books | ~$50–80 each | No | Hard drill problems for sciences and QR |
Recommended Practice Test Order
- Kaplan or Princeton free test — rough early baseline (optional)
- Complete content review for SNS sciences
- Start daily PAT practice (30+ problems/day) from week 1
- ADA official modules — one section at a time under timed conditions
- ADA full-length official practice test ($100) — 2–3 weeks before real DAT
- Light review only in final 3 days — protect PAT muscle memory and sleep
Log DAT target date and practice scores in Professional School Exams.
Registration & Test Day
- Register through the ADA — receive eligibility PIN before scheduling at Prometric
- Schedule 60–90 days ahead at your nearest Prometric center
- Bring government photo ID matching your ADA application exactly
- Exam is ~4.5 hours with optional breaks between sections
- Scores typically release 3–4 weeks after test day
- You can retake after 60 days; up to 3 times before requiring special permission
- Submit scores to ADEA AADSAS when applying — check each school's last accepted test date
Dental School Application
- Apply through ADEA AADSAS — centralized application for most U.S. dental schools
- Shadow dentists early and document 100+ hours (many schools expect more)
- Demonstrate manual dexterity: art, music, lab work, or hobbies with fine motor skills
- Letters of evaluation: science professor, dentist, and advisor/supervisor
- Personal statement should connect your path to dentistry specifically — not generic pre-health
Common Mistakes
- Ignoring PAT until the last 2 weeks — it requires daily practice
- Only using third-party tests — ADA official materials are essential
- Taking DAT before finishing organic chemistry
- Insufficient dental shadowing — schools want proof you understand the career
- Not demonstrating manual dexterity — include hobbies or coursework on AADSAS
Track your DAT prep
Log target date, practice scores, and study status in Admissions OS.