© 1998 – 2025 National Dental Assisting Examining Board 12 Section 2 Dental Sciences • 7 – 12% Section 3 Clinical Support Procedures • 10 – 15% Section 4 Patient Records • 10 – 12% Section 5 Patient Care Procedures • 40 – 50% Section 6 Practice Management Procedures • 5 – 10% Section 7 Preventive Procedures • 15 – 20% The NDAEB uses the FDI Two - Digit Notation to identify teeth by number. Each patient’s mouth is divided into quadrants: upper-right (Q1), upper-left (Q2), lower-left (Q3) and lower-right (Q4). For more information regarding the FDI World Dental Federation visit their website at www.fdiworldental.org Testing Agency The National Dental Assisting Examining Board has a contractual agreement with Meazure Learning Inc, a third-party corporation that is a leader in professional high-stakes certification testing and psychometric services. Among their responsibilities, the company guides the Written Exam Committee in the development of exam items, scores exam results and conducts statistical analyses following examinations to determine passing scores. Passing Score The NDAEB uses the modified Angoff standard setting method to set passing scores. This standard setting method requires a panel of judges to review the items (questions) and to render judgment on expected candidate performance on each item. On average, the passing score will vary generally between the low and mid 60s% range, depending on the items (questions) appearing on each test paper. Less difficult forms of the exam tend to have higher passing scores than more difficult exams. As a result, no candidate will be disadvantaged due to having written a more difficult version of the exam. Likewise, no candidate will gain advantage due to having taken a less difficult form of the exam.
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