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NDAEB Sample Questions---------------NDAEB Sample Questions, Exams of Advanced Education

University of OxfordAdvanced Education

NDAEB Sample Questions-----------NDAEB Sample Questions

Typology: Exams

2025/2026

Available from 02/11/2026

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NDAEB Sample Questions
In relation to dental radiography, which one of the following terms refers to the
anatomical landmark used to identify a maxillary canine periapical film?
1. Maxillary sinus.
2. Mental foramen.
3. Bifurcated roots.
4. Maxillary tuberosity. - correct answer 1. Maxillary Sinus
Prior to exposing a dental radiograph/image, placement of the lead apron over the
patient protects which one of the following tissues?
1. Vascular.
2. Gonadal.
3. Muscular.
4. Digestive. - correct answer 2. Gonadal
A blood pressure cuff should be placed over which one of the following arteries?
1. Pulmonary.
2. Brachial.
3. Carotid.
4. Radial. - correct answer 2. Brachial
Which three factors are essential in order to produce accurate diagnostic casts?
1. Water to powder ratio, temperature of gypsum and force of mixing.
2. Water temperature, form of gypsum used and force of mixing.
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Download NDAEB Sample Questions---------------NDAEB Sample Questions and more Exams Advanced Education in PDF only on Docsity!

NDAEB Sample Questions

In relation to dental radiography, which one of the following terms refers to the anatomical landmark used to identify a maxillary canine periapical film?

  1. Maxillary sinus.
  2. Mental foramen.
  3. Bifurcated roots.
  4. Maxillary tuberosity. - correct answer 1. Maxillary Sinus Prior to exposing a dental radiograph/image, placement of the lead apron over the patient protects which one of the following tissues?
  5. Vascular.
  6. Gonadal.
  7. Muscular.
  8. Digestive. - correct answer 2. Gonadal A blood pressure cuff should be placed over which one of the following arteries?
  9. Pulmonary.
  10. Brachial.
  11. Carotid.
  12. Radial. - correct answer 2. Brachial Which three factors are essential in order to produce accurate diagnostic casts?
  13. Water to powder ratio, temperature of gypsum and force of mixing.
  14. Water temperature, form of gypsum used and force of mixing.
  1. Water to powder ratio, mixing time and water temperature.
  2. Type of spatula used, vibration and water temperature. - correct answer 3. Water to powder ratio, mixing time, and water temperature What is the name of the adhesive film which retains bacterial colonies to the teeth?
  3. Striae.
  4. Pellicle.
  5. Calculus.
  6. Materia alba. - correct answer 2. Pellicle Which one of the following radiographic images is most useful in detecting interproximal caries?
  7. Panoramic.
  8. Periapical.
  9. Bite-wing.
  10. Occlusal. - correct answer 3. Bite-wing Which one of the following fluids provides lubrication during the movements of the temporomandibular joint?
  11. Blood.
  12. Saliva.
  13. Synovial fluid.
  14. Lymphatic fluid. - correct answer 3. Synovial Fluid What is the correct way to store scrap amalgam?
  15. In a plastic waste container.
  16. In a glass container filled with water.
  1. A fibrous diet.
  2. Bulimia. - correct answer 1. Use of an abrasive dentrifice A patient presents to the dental office with concerns about sensitivity on a lower canine tooth. The dentist performs an examination and diagnoses gingival recession and abrasion on the facial root surface of tooth 33. The patient has 100% dental insurance coverage for diagnostic, preventive and restorative services. Which of the following terms refers to the dentist with regard to the dental insurance?
  3. Carrier.
  4. Provider.
  5. Beneficiary.
  6. Assignment. - correct answer 2. Provider A patient presents to the dental office with concerns about sensitivity on a lower canine tooth. The dentist performs an examination and diagnoses gingival recession and abrasion on the facial root surface of tooth 33. The patient has 100% dental insurance coverage for diagnostic, preventive and restorative services. The patient should be encouraged to use a dentifrice containing fluoride and which other chemical agent?
  7. Triclosan.
  8. Gluteraldehyde.
  9. Potassium nitrate.
  10. Pyrophosphate salts. - correct answer 3. Potassium Nitrate A 24-year-old patient presents for an emergency exam. During the interview it is noted that he is a heavy smoker and has been under a great deal of emotional stress. The clinical examination findings are: a biofilm index of 3 with some ulceration of interdental papillae. Which one of the following gingival conditions does this patient have?
  11. Herpetic gingivostomatitis.
  1. Necrotizing periodontitis.
  2. Aggressive periodontitis.
  3. Pericoronitis - correct answer 2. Necrotizing Periodontitis A 24-year-old patient presents for an emergency exam. During the interview it is noted that he is a heavy smoker and has been under a great deal of emotional stress. The clinical examination findings are: a biofilm index of 3 with some ulceration of interdental papillae. What is the recommended treatment for this patient?
  4. Scaling and curettage, brushing and flossing twice per day, fluoride.
  5. Debridement, careful brushing at home, warm water rinses.
  6. Daily chlorhexadine rinses, stop smoking aids.
  7. Gingivectomy. - correct answer 2. Debridement, careful brushing at home, warm water rinses A 24-year-old patient presents for an emergency exam. During the interview it is noted that he is a heavy smoker and has been under a great deal of emotional stress. The clinical examination findings are: a biofilm index of 3 with some ulceration of interdental papillae. What does the biofilm index assigned to this patient mean?
  8. No accumulated biofilm.
  9. Marginal biofilm only.
  10. Moderate biofilm levels that can be easily seen.
  11. Heavy biofilm accumulations on both the tooth and gingival surfaces. - correct answer 4. Heavy biofilm accumulations on both the tooth and gingival surfaces A 7-year-old falls down some stairs, and is immediately transported to a hospital dental facility. Clinical examination of the injured area reveals that tooth 11 has a fracture with pulpal exposure and that 21 has been avulsed. The patient's father has the avulsed tooth.

Which one of the following treatments would be correct for tooth 11?

  1. Zinc-oxide-eugenol sedative restoration.
  2. Glass ionomer base and stainless steel crown.
  3. Calcium hydroxide pulp cap and interim resin restoration.
  4. Desensitizing dentin sealer, pin-retained composite resin restoration - correct answer 3. Calcium hydroxide pulp cap and interim resin restoration A 75-year-old patient presents at the dental office with a fractured tooth 46. While reviewing the medical history, the dental assistant notes that the patient has rheumatoid arthritis and type II diabetes. The clinical examination also reveals generalized gingival recession, cervical tooth abrasion and several root caries. What is the main cause of this patient's oral conditions?
  5. Biofilm.
  6. Calculus.
  7. Medications.
  8. Materia alba. - correct answer 1. Biofilm A 75-year-old patient presents at the dental office with a fractured tooth 46. While reviewing the medical history, the dental assistant notes that the patient has rheumatoid arthritis and type II diabetes. The clinical examination also reveals generalized gingival recession, cervical tooth abrasion and several root caries. Which one of the following complications is associated with the patient's medical conditions?
  9. Anaphylaxis.
  10. Hypotension.
  11. Xerostomia.
  12. Vertigo. - correct answer 3. Xerostomia A 75-year-old patient presents at the dental office with a fractured tooth 46. While reviewing the medical history, the dental assistant notes that the patient has

rheumatoid arthritis and type II diabetes. The clinical examination also reveals generalized gingival recession, cervical tooth abrasion and several root caries. Which one of the following tooth brushing techniques should be recommended for this patient?

  1. Fones.
  2. Bass sulcular.
  3. Rolling stroke.
  4. Horizontal scrub. - correct answer 2. Bass sulcular A 75-year-old patient presents at the dental office with a fractured tooth 46. While reviewing the medical history, the dental assistant notes that the patient has rheumatoid arthritis and type II diabetes. The clinical examination also reveals generalized gingival recession, cervical tooth abrasion and several root caries. Due to the patient's disclosed medical condition, the dental assistant may suggest which one of the following oral health aids?
  5. Interdental picks.
  6. Waxed dental floss.
  7. A modified toothbrush handle.
  8. Antimicrobial mouth rinse to replace brushing. - correct answer 3. a modified toothbrush handle A patient presents for a bridge preparation. The dentist administers the local anaesthetic then the dental assistant takes an alginate impression of the lower left quadrant. Teeth 36 and 37 are missing and tooth 38 has drifted into the 37 position. The bridge will go from tooth 35 to tooth 38. The insurance plan provides 80% reimbursement for this type of treatment. In which direction has tooth 38 moved?
  9. Distally.
  10. Labially.
  11. Mesially.
  12. Lingually. - correct answer 3. Mesially
  1. 5 - correct answer 2. 3 A patient presents for an emergency examination of tooth 16. The tooth has been sensitive to pressure for several weeks and the patient indicates that it is getting worse. The dentist does an intra-oral examination and prescribes a direct digital periapical radiograph of the area. The dental assistant is directed to assemble equipment and supplies for pulp vitality testing. Where would the dental assistant place the sensor for the prescribed image?
  2. At 90 degree angle to the long axis of the tooth.
  3. Away from the tooth, near the vault of the palate.
  4. Vertically positioned, as close to the tooth as possible.
  5. Horizontally positioned, slightly away from the mylohyoid ridge. - correct answer
  6. Away from the tooth, near the vault of the palate A patient presents for an emergency examination of tooth 16. The tooth has been sensitive to pressure for several weeks and the patient indicates that it is getting worse. The dentist does an intra-oral examination and prescribes a direct digital periapical radiograph of the area. The dental assistant is directed to assemble equipment and supplies for pulp vitality testing. What radiolucent structure would the dental assistant expect to see near the apex of the fractured tooth?
  7. Lamina dura.
  8. Maxillary sinus.
  9. Zygomatic arch.
  10. Parotid salivary gland. - correct answer 2. Maxillary Sinus A patient presents for an emergency examination of tooth 16. The tooth has been sensitive to pressure for several weeks and the patient indicates that it is getting worse. The dentist does an intra-oral examination and prescribes a direct digital periapical radiograph of the area. The dental assistant is directed to assemble equipment and supplies for pulp vitality testing.

Which one of the following teeth would be best as the control tooth for the pulp vitality test?

  1. 17
  2. 15
  3. 26
  4. 46 - correct answer 3. 26 A patient presents for an emergency examination of tooth 16. The tooth has been sensitive to pressure for several weeks and the patient indicates that it is getting worse. The dentist does an intra-oral examination and prescribes a direct digital periapical radiograph of the area. The dental assistant is directed to assemble equipment and supplies for pulp vitality testing. The cold test for the tooth causes an intense pain that does not resolve for a few minutes. What diagnosis is most probable?
  5. Normal pulp.
  6. Necrotic pulp.
  7. Reversible pulpitis.
  8. Irreversible pulpitis. - correct answer 4. Irreversible Pulpitis A dental assistant must be able to self-correct errors made during dental dam punching and placement. From the list of errors below, chose the one that best matches the scenario given in the item. Each error may be used once, more than once or not at all.
  9. Holes are punched too large.
  10. Arch is punched too flat.
  11. Holes are punched too far apart.
  12. Arch is punched too curved.
  13. Bunching and stretching on lingual of dam when placed.
  14. Folding occurs on the facial aspect of completed dam.