The DAT is harder than the GRE.
Due to it's heavy science content and unique spatial perception requirements the DAT or Dental Admission Test is significantly harder than the GRE or Graduate Record Examination.
The DAT or Dental Admission Test is a 4.5 hour to 5 hour test that covers a massive prerequisite science material that includes a Survey of the Natural Sciences (Biology, General Chemistry, Organic Chemistry, Perceptual Ability Test (PAT) for 3D spatial recognition, Reading Comprehension, and Quantitative Reasoning.
The GRE or Graduate Record Examination is a shorter, roughly 2 hour general aptitude test and tests fundamental verbal reasoning, advanced vocabulary, analytical writing, and basic high school level math (algebra and geometry).
The GRE (Graduate Record Examination) does not test specific undergraduate science disciplines.
The DAT (Dental Admissions Test) requires hundreds of hours of intense content review across deep scientific domains and mastering specialized spatial logic sections like cube counting and angle discrimination.
The GRE (Graduate Record Examination) requires learning test taking strategies, vocabulary lists, and basic math rules rather than memorizing complex chemistry reactions or biological pathways.
Reason why the DAT is Hard:
Vast Content: You must master biology, general chemistry, organic chemistry, reading, math, and spatial reasoning.
Time Pressure: The test lasts 5 hours with hundreds of questions, leaving very little time to pause or second-guess.
Spatial Skills: The Perceptual Ability Test (PAT) tests 3D visualization and angle discrimination, which do not match standard college courses.
High Competition: Dental schools are very selective, meaning high scores are required to get an interview.