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The examination is composed of 240 questions on subject areas outlined by CODA divided into 3 domains.  10-25% of the exam will consist of multi-select questions, with the remainder being multiple choice.

The approximate question breakdown for the entire exam includes:

  • Domain 1: Biomedical Sciences - 24% of the exam
  • Domain 2: General Clinical Sciences - 31% of the exam
  • Domain 3: Orthodontic Clinical Sciences - 45% of the exam

The below approximate percentages demonstrate the subcategories that make up each module.