LDEK consists of 200 multiple choice questions. LDEK includes questions on:
| endodontics and restorative dentistry | 46 questions |
| pedodontology | 29 questions |
| surgical stomatology | 25 questions |
| prosthodontics | 25 questions |
| periodontology | 20 questions |
| orthodontics | 20 questions |
| emergency medicine | 10 questions |
| bioethics, medical law | 10 questions |
| medical certification | 7 questions |
| public health | 8 questions |
There are at least 20 questions on oncology among questions on endodontics, pedodontology, surgical stomatology, periodontology, and orthodontics.