NBDE Exam News and Information Our National Board Dental Exam test prep resources include a helpful study guide, insightful blog entries, useful study tips and over a thousand NBDE I questions/answers and over 800 NBDE II questions/answers. Part I subject areas tend to center around the basic sciences (anatomic science, biochemistry and physiology, microbiology and pathology and dental anatomy and occlusion). For the Part II questions, you'll be studying for what will be a 2-day exam. Part II topics covered include operative dentistry, oral surgery, pediatric dentistry and patient management. By taking advantage of our test prep resources, you'll gain some added insights into how to better process all the facts you'll need to know to pass your NBDE exam.