OMS Collective

Practice the CBSE the way you'll take it.

Timed 50-question blocks with flags, highlighting, lab values and a calculator, then a mastery report by topic when you finish. Written and reviewed by oral and maxillofacial surgery residents and crosschecked with national guidelines and best practices.

Try a free blockRestore purchase / Enter key
50questions per block
75 minper block
4blocks per exam
2devices per purchase
The exam screen showing a renal question with a glucose titration graph, one answer selected and the question flagged
Real block timing

75 minutes per 50 questions, with a clock you can hide.

Flag, strike out, highlight

The same tools you'll use on test day, on every question.

Lab values and calculator

Reference ranges and a calculator one tap away.

Mastery report

Your score by topic across all four blocks, with full explanations. Retakes are saved so you can compare.

Start with the free block

Ten renal questions from the Renal Mastery Exam, in the full exam screen. No license key or sign-up.

Exams

Each exam is 200 questions in four timed blocks. Buy directly with Stripe and your exam unlocks automatically right on this page—yours for good on up to two devices.

Organ system mastery

Full-length CBSE practice

Pharmacology Mastery Exam is next

200 questions in four timed blocks, being written now. The free Pharmacology guide below covers the same ground.

Get the Pharmacology guide

Free study guides

Click any study guide below to select it, enter your email once, and download the PDFs directly from our site.

Select study guides above to download Or at once.

Student reviews

Feedback from dental students and OMS applicants prepping for the CBSE.

Restore or unlock your exam

Bought directly on the website? Your exam unlocks automatically after payment, or you can enter your checkout email below on a second device. Bought on Discord? Click your /getkey button or paste your key here.

Bought in the Discord Server Shop? Run /getkey in the server for a 1-click auto-unlock button. Past Payhip license keys also work here automatically.

  1. 1
    Buy directly on the site or in DiscordWebsite purchases unlock on this page automatically right after Stripe checkout.
  2. 2
    Use on up to two devicesEnter your checkout email or OMS key on your phone or tablet—your progress syncs automatically.
  3. 3
    Take the blocks when you're readyAnswers save as you go, so you can stop and pick up later.