NDAEB ACTUAL EXAMINATION 2026
QUESTIONS WITH SOLUTIONS GRADED A+
⫸ Prior to exposing a dental radiograph, placement of the lead apron
over the patient protects which tissues? Answer: Gonadal
⫸ A blood pressure cuff should be placed over which of the following
arteries? Answer: Brachial
⫸ What 3 factors are essential in order to produce accurate diagnostic
casts? Answer: Water to powder ratio, mixing time and water
temperature
⫸ What is the name of the adhesive film that retains bacterial colonies
to the teeth? Answer: Pellicle
⫸ What radiograph image is most useful for inter proximal caries?
Answer: Bitewing
⫸ Which fluid provides lubrication during movements of the TMJ?
Answer: Synovial Fluid
⫸ What is the correct way to store scrap amalgam? Answer: In a tightly
closed mercury recycling container
,⫸ In a steam sterilizer, the distilled water is converted to steam then
condensed back into liquid water. What happened to the condensed
water? Answer: It is drained from the sterilizer and discarded down the
drain in the sink
⫸ A patient presents to the dental office with concerns about sensitivity
on a lower canine tooth. The dentist performs an exam and diagnosis
gingival recession and abrasion on the facial root surface of tooth 33.
The patient has 100% coverage for diagnostic, preventive and restorative
services.
1. What is the etiology of the sensitivity?
2. What could cause the tooth pathology?
3. What term refers to the dentist regarding dental insurance?
4. The patient should be encouraged to use a dentifrice containing
fluoride and which other chemical agent? Answer: - Exposed dentinal
tubules
- Use of an abrasive dentifrice
- Provider
- 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 under emotional
stress. The clinical findings are : a biofilm index of 3 with some
ulceration of interdental papillae.
, 1. What condition does the patient have?
2. What is the recommended treatment?
3. What does the biofilm index assigned to the patient mean? Answer: 1)
Necrotizing periodontitis
2) Debridement, careful brushing at home, warm water rinses
3) Heavy biofilm accumulations on both tooth and gingival surfaces
⫸ A 7-year old falls down some stairs, and is immediately transported
to a hospital dental facility. Clinical exam reveals that tooth 11 has a
fracture with pupal exposure and that 21 has been avulsed. The patients
father has the avulsed tooth.
1. For the re-implantation of the 21 to have the highest success rate, how
quickly should it be placed back into the alveolus?
2. How should the avulsed tooth be kept during transportation to the
hospital?
3. What would be used to stabilize the re-implanted tooth?
4. What treatment would be correct for tooth 11? Answer: 1) Within 30
minutes
2) Wrapped in wet gauze
3) An acrylic splint
4) Calcium Hydroxide pulp cap and interim resin restoration
⫸ A 75 year-old patient presents at the dental office with a fractured 46.
While reviewing the medical history, the dental assistant notes that the
patient has rheumatoid arthritis and type II diabetes. The clinical exam
QUESTIONS WITH SOLUTIONS GRADED A+
⫸ Prior to exposing a dental radiograph, placement of the lead apron
over the patient protects which tissues? Answer: Gonadal
⫸ A blood pressure cuff should be placed over which of the following
arteries? Answer: Brachial
⫸ What 3 factors are essential in order to produce accurate diagnostic
casts? Answer: Water to powder ratio, mixing time and water
temperature
⫸ What is the name of the adhesive film that retains bacterial colonies
to the teeth? Answer: Pellicle
⫸ What radiograph image is most useful for inter proximal caries?
Answer: Bitewing
⫸ Which fluid provides lubrication during movements of the TMJ?
Answer: Synovial Fluid
⫸ What is the correct way to store scrap amalgam? Answer: In a tightly
closed mercury recycling container
,⫸ In a steam sterilizer, the distilled water is converted to steam then
condensed back into liquid water. What happened to the condensed
water? Answer: It is drained from the sterilizer and discarded down the
drain in the sink
⫸ A patient presents to the dental office with concerns about sensitivity
on a lower canine tooth. The dentist performs an exam and diagnosis
gingival recession and abrasion on the facial root surface of tooth 33.
The patient has 100% coverage for diagnostic, preventive and restorative
services.
1. What is the etiology of the sensitivity?
2. What could cause the tooth pathology?
3. What term refers to the dentist regarding dental insurance?
4. The patient should be encouraged to use a dentifrice containing
fluoride and which other chemical agent? Answer: - Exposed dentinal
tubules
- Use of an abrasive dentifrice
- Provider
- 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 under emotional
stress. The clinical findings are : a biofilm index of 3 with some
ulceration of interdental papillae.
, 1. What condition does the patient have?
2. What is the recommended treatment?
3. What does the biofilm index assigned to the patient mean? Answer: 1)
Necrotizing periodontitis
2) Debridement, careful brushing at home, warm water rinses
3) Heavy biofilm accumulations on both tooth and gingival surfaces
⫸ A 7-year old falls down some stairs, and is immediately transported
to a hospital dental facility. Clinical exam reveals that tooth 11 has a
fracture with pupal exposure and that 21 has been avulsed. The patients
father has the avulsed tooth.
1. For the re-implantation of the 21 to have the highest success rate, how
quickly should it be placed back into the alveolus?
2. How should the avulsed tooth be kept during transportation to the
hospital?
3. What would be used to stabilize the re-implanted tooth?
4. What treatment would be correct for tooth 11? Answer: 1) Within 30
minutes
2) Wrapped in wet gauze
3) An acrylic splint
4) Calcium Hydroxide pulp cap and interim resin restoration
⫸ A 75 year-old patient presents at the dental office with a fractured 46.
While reviewing the medical history, the dental assistant notes that the
patient has rheumatoid arthritis and type II diabetes. The clinical exam
