Question TypesMultiple Choice, Case-Based Multiple Choice
FormatLinear (computer-based at PSI testing centers)
Online ProctoringNot available
ID RequirementsGovernment-issued photo ID required. Name on ID must match registration exactly.
RenewalNot required -- INBDE and NBDHE scores do not expire under JCNDE/ADHA policy, but individual state dental boards may impose score age limits (commonly 5 years). Verify with the applicable state licensing board.
PrerequisitesNBDHE passage or concurrent eligibility; required by some states (recommended)
Retake Policy60-day waiting period between failed attempts. Maximum 3 attempts per calendar year for INBDE. Scores are generally valid for 5 years for most state licensure boards.