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Don't Pass Up the Perfect Score - Use The 2024 DAT and OAT Destroyer!

Experience Success on the DAT and OAT With Our Top-Ranked Test Prep Since 2006! Are you preparing to take the Dental Admissions Test (DAT) or Optomentry Admissions Test (OAT) Exam? If so, you’re likely feeling overwhelmed with the amount of test prep programs available and unsure which one is right for you. At Orgoman,DAT Destroyer, we understand your need for a comprehensive program that won’t break the bank. That’s why we offer our flagship products, DAT Destroyer and OAT Destroyer – trusted by tens of thousands of students across the United States and Canada.

What Sets Us Apart?

  • Expertise and Passion: Learn from Dr. Romano, a passionate educator whose innovative techniques in teaching organic chemistry and problem-solving strategies have turned the tide for many.
  • Comprehensive Coverage: Our resources cover all science and math of the DAT and OAT exams meticulously, ensuring no stone is left unturned in your preparation.
  • Affordability Without Compromise: We believe in providing exceptional value without the hefty price tag, making top-tier test prep accessible to all.
  • Proven Track Record: For over 2 decades, we’ve been the preparatory tool of choice for tens of thousands of students. Their achievements are our best endorsements.

Hear it From our Students

  • "Initially scoring an 18 on my first Orgo exam, Dr. Romano's course propelled me to a 25! His innovative techniques for mastering the material were transformational." - A thankful student
  • "A huge thanks to Dr. Romano for an exceptional Orgoman experience in summer 2023! Your commitment to our success is evident, making Orgoman the ultimate DAT prep choice." - Participant of the summer session
  • "The dedication of Dr. Romano and Nancy Ritchie Steen to student achievement is unmatched. Their free math resources are just one example of their tremendous support." - Joe
  • "Enormous thanks to Dr. Jim Romano’s courses and publications for enabling me to comprehend and master the material effectively." - Linda, TS 30, AA 25
  • "Post-exam, I’m indebted to Dr. Romano and this community. The Destroyer series has earned a real fan here. I'm proud to share my scores." - TS 30, AA 28 Alex
  • "My recent DAT success is largely thanks to Dr. Romano's resources. Immensely appreciated, especially enjoyed the YouTube tutorials!" - TS 25
  • I could not have done it without you! Besides my success on the DAT exam, the confidence you gave me to get through the whole application and interview process was incredible. May you continue to inspire your students to succeed in their scientific studies! Bio 21, Gen Chem - 22, Organic - 28 — Rob

!Group of predental students smiling outside on their last day of class, celebrating their accomplishment and the end of the class.

2024 Summer

DAT and OAT Class INFO
!Student with acceptance letter standing in front of Columbia Dental School, smiling proudly in their achievement.

Linda | TS 30 AA 25

Get your Destroyers today
Proud student holding up DAT score, announcing test result success

Joe | TS 25 AA 24

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Is The DAT Destroyer Worth it?

Get started today DAT Destroyer Study Guide
A smiling student holding up their Dental Admission Test (DAT) results, expressing joy over successful scores.

Brendon | TS 24 AA 22

DAT Destroyer Study Guide

DAT and OAT Classes In Person and Online

Aside from our popular study guides, Orgoman is pleased to offer DAT/OAT camps three times per year in September, January, and May. You can also join our study group for helpful, free information, questions, videos, and more.

Curious about one-on-one online tutoring? Contact us for more information.

Your perfect study partner to help prepare for your upcoming DAT or OAT Exam, DAT Destroyer offers expert DAT exam preparation with tons of content and practice opportunities—all for one price. Our comprehensive program includes detailed video content on our youtube channel from instructors with years of experience and get real-time help from experts in the field in our DAT Destroyer study group found on FB. We also offer a downloadable Bio Review found in our study group and outlines perfect for studying on the go.

Save time studying while remaining confident in your progress! Let’s ace this exam together—DAT Destroyer and OAT Destroyers are here to make sure success is just around the corner.


Student smiling with a look of accomplishment and happiness after achieving a high score on their exam

Jamie |TS 30 AA 26


About Orgoman–"DAT Destroyer"

Deciding on your future career is half the battle–many fields of study require tests in order for admission to your school of choice. Two of these include the Dental Admission Test (DAT) and the Optometry Admission Test (OAT). These exams will measure your academic and perceptual abilities, as well as your understanding of natural sciences. Preparing for the DAT or OAT can feel daunting–it's your future, after all! Orgoman provides the best DAT test study guide and other comprehensive prep books to help you build your confidence and skills as you prepare for test day. 

Dr. Jim Romano and Nancy Steen founded Orgoman to give students the tools to pass the challenging DAT or OAT and excel in their future careers. Dr. Romano is the founder and head instructor at Romano Scientific and the author of the Destroyer books. Orgoman has been helping students achieve their full potential since 1999 and is known as "DAT Destroyer." 

Read more about us here.

No Secrets, Just Results

There is no DAT test study guide or OAT prep book with an exact formula or secret to help you ace your exam. Dr. Romano has interviewed many students who have taken the DAT or OAT to create practical prep books that garner incredible results. Orgoman's DAT study guide, alongside our other Destroyer books, will help you build a solid foundation in science and math skills to handle a wide range of potential questions so you can earn a high score on your test.

While there is no guarantee that our materials will help you obtain a high score, students across the country have successfully passed their exams using Dr. Romano's books. 

Read reviews from real students here.

DAT Destroyer

Orgoman's most popular books are DAT Destroyer and OAT Destroyer, OAT and DAT Prep study guides that can help you avoid the dreaded retake. Many students using DAT and OAT Destroyer have scored in the 90th percentile! Work through 600 pages of questions that will test your reading comprehension, quantitative reasoning, perceptual ability, and scientific knowledge. Pass your DAT with flying colors as you continue your educational journey into a lifelong career.

Additional Services

Aside from our popular study guides, Orgoman is pleased to offer DAT/OAT camps three times per year in September, January, and May. You can also join our study group for helpful, free information, questions, videos, and more.

Curious about one-on-one online tutoring? Contact us for more information.

See What Orgoman Destroyers Can Do for You!

If you are a prospective dental or optometry student looking for the best OAT or DAT study guide, you've come to the right place. Prepare for your exam and own your future today with Orgoman's Destroyer books.