NDAEB Exam – Sample Questions

1. A mother of a 5-month-old infant ask the dental assistant which of her daughter's teeth will fall out first. What is the most accurate response?

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2. Which of the following produces about 60% of the total amount of saliva?

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3. Which of the following muscles of the mouth floor raises the hyoid bone to assist in swallowing?

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4. This instrument is used to prepare the tooth and plane the walls and floors of the tooth preparation with a push-pull action:

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5. What handpiece would be used for the removal of bonding materials from a tooth surface after orthodontic appliances are removed?

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6. If a patient's anterior teeth are positioned too far back on the bite-block, these teeth will appear out of focus on the radiograph. What would be the solution for this?

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7. As a dental assistant, which of the following task would be assigned to you during the making of a cast restoration?

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8. After periodontal surgery, what instructions should be given regarding rinsing?

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9. The following are non-absorbable suture materials, except:

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10. What periodontitis stage if the interdental clinical attachment level at site of greatest loss is 3 to 4 mm?

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11. A patient has completed oral surgery. What type of diet recommendation would the dental assistant advise the patient to avoid?

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12. What type of dental base is placed in a deep cavity preparation to protect the tooth from thermal shock?

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13. Bruxism is a contraindication to which of the following dental procedure?

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14. A periodontal pocket occurs when the disease causes the gingival sulcus to become deeper than:

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15. Which of the following would be an indication for oral and maxillofacial surgery?

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16. Three days after oral and maxillofacial surgery, the patient informs the dentist of extreme pain radiating to the side of the face. The following reasons would have caused alveolar osteitis (dry socket) within the first 24 hours, except:

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17. Which of the following statements by the dental assistant to a patient to undergo endodontic treatment is appropriate?

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18. Which of the following final impression material is easy material to mix, a short mixing time of 30-45 seconds and similar setting time of roughly 7 minutes:

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19. What FDI number is the lower right second premolar?

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20. If a patient records are considered inactive, when was the last time the patient visited the dental office?

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