WITH CORRECT SOLUTIONS.

• | Page

NDAEB EXAM

WITH CORRECT SOLUTIONS.

In relation to dental radiography, what term refers to the anatomical landmark used to identify a maxillary canine periapical film? - correct answer- Maxillary Sinus

Prior to exposing a dental radiograph, placement of the lead apron over the patient protects which tissues? - correct answer- Gonadal

A blood pressure cuff should be placed over which of the following arteries? - correct answer- Brachial

What 3 factors are essential in order to produce accurate diagnostic casts? - correct 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? - correct answer- Pellicle

• / 3

• | Page

What radiograph image is most useful for inter proximal caries?

• correct answer- Bitewing

Which fluid provides lubrication during movements of the TMJ?

• correct answer- Synovial Fluid

What is the correct way to store scrap amalgam? - correct 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? - correct 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.

• What is the etiology of the sensitivity?
• What could cause the tooth pathology?
• What term refers to the dentist regarding dental insurance? 2 / 3

• | Page

• The patient should be encouraged to use a dentifrice

containing fluoride and which other chemical agent? - correct 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.

• What condition does the patient have?
• What is the recommended treatment?
• What does the biofilm index assigned to the patient mean? -

correct 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.

• / 3