ACTUAL 150 EXAM QUESTIONS WITH CORRECT

/ACTUAL 150 EXAM QUESTIONS WITH CORRECT

DETAILED AND VERIFIED ANSWERS/ MN DENTAL

ASSISTANT CERTIFICATION -

After receiving ortho treatment, what is the most

Commonly used retainer? - Accurate answer:->>Hawley Retainer

When ortho bands and brackets are removed, what type of bur do you use? -

Accurate answer:->>Finishing bur

Which cement gives off fluoride? - Accurate answer:->>Glass ionomer

What does a disclosing agent help detect? -

Accurate answer:->>Plaque

What can be used to place an arch wire? -

Accurate answer:->>Weingart or Howe pliers

What kind of tray is used for anterior teeth? A) Sectional

• Quadrant C) Full

Arch

D) Half Arch - Accurate answer:->>A) Sectional

After administering N2O and obtaining post- operative vitals, how much variance from pre-

operative is considered acceptable? - Accurate answer:->>Pulse- Within 10

beats Blood Pressure- Within 10 for diastolic and systolic Respirations- Within 5 breaths per minute

How long can sealant material be stored for? -

Accurate answer:->>18-36 months at room temperature

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What is the most common cause of sealant failure? -

Accurate answer:->>Moisture contamination

What is in sealant material that some people can be allergic to? - Accurate

answer:->>Acrylic resin

What is the weakest and cheapest impression material? - Accurate

answer:->>Plaster

Radiographic density is defined as? - Accurate answer:->>The overall blackness or darkness of a radiograph

The temperature of the Tungsten filament is affected by?

• Impulses B)

Kilovoltage C) Millampres

D) Time - Accurate answer:->>C) Millampres

How much time do you have to mix Intermediate Restorative Material? -

Accurate answer:->>1 minute

What is used to remove wire ligatures? A) Explorer

• Ortho Scaler C)

Hemostat

D) Ligature wire cutter - Accurate answer:->>Ligature wire cutter

What is the purpose of cavity varnish? -

Accurate answer:->>To seal the tubules

What instrument would you use to remove subgingival calculus?

• Explorer
• Sickle Scaler C)

Curette

D) Chisel - Accurate answer:->>C) Curette

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After curing a crown, a greasy residue appears? How do you clean it?

• With water B)

Alcohol wipe C) Prophy paste

D) With a rag wheel and pumice - Accurate answer:->>D) With a rag

wheel and pumice

On ortho bands, what surface are the tubes located? A) Lingual

• Mesial C)

Distal

D) Facial - Accurate answer:->>D) Facial

Why would a temporary crown be purposefully removed? - Accurate answer:->>If damage is being caused to the tissue by it or if a permanent is getting placed.

The inferior alveolar nerve block is also known as? -

Accurate answer:->>Mandibular

You are working on 28 and want to perform a mental nerve block, where should

topical be placed? - Accurate answer:->>Anterior to the mental foramen,

between the apices of the pre molars (28 and 27)

To prevent choking or swallowing while doing fluoride trays, you should do what?

• Keep a saliva ejector in the client's mouth B) Have the client tilt their

chin up

• Have the client tilt their head down

D) Use an HVE - Accurate answer:->>A) Keep a saliva ejector in the

client's mouth

What fluoride method should not be given to children under 3?

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