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A collection of questions and answers related to the dental assistant licensure exam in minnesota. It covers various topics relevant to dental assistant practice, including ortho treatment, restorative materials, radiographic techniques, and infection control. The document can be a valuable resource for dental assistant students preparing for their licensure exam.
Typology: Exams
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After receiving ortho treatment, what is the most commonly used retainer? ✔✔Hawley Retainer
When ortho bands and brackets are removed, what type of bur do you use? ✔✔Finishing bur
Which cement gives off fluoride? ✔✔Glass ionomer
What does a disclosing agent help detect? ✔✔Plaque
What can be used to place an arch wire? ✔✔Weingart or Howe pliers
What kind of tray is used for anterior teeth?
A) Sectional
B) Quadrant
C) Full Arch
D) Half Arch ✔✔A) Sectional
After administering N2O and obtaining post-operative vitals, how much variance from pre- operative is considered acceptable? ✔✔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? ✔✔ 18 - 36 months at room temperature
What is the most common cause of sealant failure? ✔✔Moisture contamination
What is in sealant material that some people can be allergic to? ✔✔Acrylic resin
What is the weakest and cheapest impression material? ✔✔Plaster
Radiographic density is defined as? ✔✔The overall blackness or darkness of a radiograph
The temperature of the Tungsten filament is affected by?
A) Impulses
D) Chisel ✔✔C) Curette
After curing a crown, a greasy residue appears? How do you clean it?
A) With water
B) Alcohol wipe
C) Prophy paste
D) With a rag wheel and pumice ✔✔D) With a rag wheel and pumice
On ortho bands, what surface are the tubes located?
A) Lingual
B) Mesial
C) Distal
D) Facial ✔✔D) Facial
Why would a temporary crown be purposefully removed? ✔✔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? ✔✔Mandibular
You are working on 28 and want to perform a mental nerve block, where should topical be placed? ✔✔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?
A) Keep a saliva ejector in the patient's mouth
B) Have the patient tilt their chin up
C) Have the patient tilt their head down
D) Use an HVE ✔✔A) Keep a saliva ejector in the patient's mouth
What fluoride method should not be given to children under 3?
A) Varnish
B) Rinse
C) Topical
D) Stannous ✔✔A) Rinse
What is commonly found in whitening toothpaste? ✔✔Calcium carbonate
N2O is metabolized through which organ?
A) Kidney
B) Liver
C) Lungs
D) Intestines ✔✔C) Lungs
Where should the gingival retraction cord be placed? ✔✔1-3 mm below the sulcus
How long should you wait before rinsing gingival retraction paste? ✔✔1-2 minutes
If someone has cardiovascular disease, what should you treat the gingival retraction cord with? ✔✔Aluminum chloride
Which of these best describes the amnesic effect of nitrous oxide?
A) The patient forgets who they are
B) The patient not remembering why they are there
C) Short-term memory loss
D) The patient may think that less time passed than what really has ✔✔D) The patient may think that less time passed than what really has
What tooth is used when determining a person's occlusion?
A) Molar
B) Pre Molar
C) Canine
D) Lateral ✔✔A) Molar
Which of these statements are true regarding paper points?
A) They are sized fine to course
B) They are sized small to large
C) They are color coded
D) A and C ✔✔D) A and C
What kind of retainer can be given to a patient when the orthodontist is out of office? ✔✔Vacuum delivered
D) Final-set ✔✔D) Final-set
What speed hand-piece would you use for trimming? ✔✔Low speed hand-piece
What is a polishing strip used for? ✔✔To remove staining from enamel
This comes with three parts that you have to assemble. It includes a ring, indicator arms, and an adhesive tab. What is being described?
A) Rim lock tray
B) XCP
C) Saliva ejector
D) Tofflemire band ✔✔B) XCP
What is the most common stain in children? ✔✔Green
N2O is often given along with what medication?
A) Serotonin
B) Blood thinners
C) Hypertensive medications
D) Local anesthesia ✔✔D) Local anesthesia
If alginate can't be poured right away, how should it be stored? ✔✔Wrapped in a slightly damp paper towel and bag
Which topical medication do some people have an allergic reaction to?
A) Lidocaine
B) Xylocaine
C) Benzocaine
D) Septocaine ✔✔C) Benzocaine
You are working on tooth number 8 and are going to perform a nasal palatine nerve block, where would you apply topical? ✔✔The lingual tissue adjacent to the incisive papilla
If you wanted to do a mandibular nerve block, where would you place topical? ✔✔In the depression behind retromolar area of the quadrant you are working on. This will numb 1/2 the lip, tongue, and 1/2 the arch
During cement removal, you are supposed to keep drying and wetting the area, why? ✔✔In order to remove debris
What do you use to polish a porcelain restoration? ✔✔Diamond polishing instruments
Whiting is an abrasive also known as? ✔✔Chalk
When checking a sealant, a sealant that is free of moisture still isn't evenly placed. What should you do? ✔✔
What dental material is most commonly used for pulp capping? ✔✔Calcium Hydroxide
X-rays are made up of?
A) Protons
B) Electrons
C) Neutrons
D) Ions ✔✔B) Electrons
When seating a molar band, your first can adjust using your fingers from mesial to distal. Then you use a bite stick to adjust on which surface?
A) Mesial
B) Distal
C) Buccal
D) Lingual ✔✔C) Buccal
What is considered the septum on a dental dam? ✔✔The space between where the holes are punched
Which of these contributes the most artificial radiation? ✔✔Medical radiation
Zinc Oxide Eugenol ✔✔- Has a soothing affect on the pulp
Non Eugenol dressing ✔✔- Most commonly used perio dressing
D) Tell the patient that the sealant will eventually wear into place ✔✔C) Use a round bur to adjust the sealant
A properly etched tooth should appear? ✔✔Chalky, dull, and frosty
What type of sealant material doesn't require light curing?
A) BIS-GMA
B) Photopolymerized
C) Autopolymerized
D) Filled sealants ✔✔C) Autopolymerized
What is used when determining whether the patient would need double cords for gingival retraction? ✔✔The size and depth of the sulcus
What would you use to place elastomeric separators? ✔✔Floss or elastic separating pliers
What would you use to place elastic ligatures?What would you use to remove? ✔✔Placing: Locking hemostat
Removing: Scaler or explorer
Non-absorbable sutures should be removed when? ✔✔5 to 7 days after surgery
The action used to remove a periodontal dressing is with a _________________ pressure.
A) Up and down
B) Back and forth
C) Lateral
D) Hard ✔✔C) Lateral
IRM is used for what kind of restoration?
A) Long term restoration
B) Permanent restoration
C) Temporary restoration ✔✔C) Temporary restoration
What type of fluoride can cause gingival blanching? ✔✔Stannous
If the patient has a shallow palate, you should do would
A) Decrease the + vertical angle
B) Increase the + vertical angle
C) Decrease the HA
D) Increase the HA ✔✔B) Increase the + vertical angle
The most radiosensitive tissue is
A) Skin
B) Lungs
C) Bone marrow (blood)
D) Cornea ✔✔C) Bone marrow (blood)
The tidal volume is? ✔✔The amount of air that the patient needs to breath comfortably/normally
The average percentage for 70% of the population is ____ % for adults
A) 10
B) 20
C) 30
If a tooth needed to be re-etched, how long should you do it for? ✔✔5-15 seconds
Sealant material should not be stored in proximity to ____-containing products. ✔✔Eugenol
The tooth that receives the rubber dam clamp is referred to as the ✔✔Anchor tooth/key tooth
The distance from the border for the maxillary arch punching should be? ✔✔1 inch
The distance from the border for the mandibular arch punching should be? ✔✔2 inches from each side
A tooth should be etched for how long? ✔✔15-60 seconds
How many teeth are in the primary dentition? ✔✔20 teeth
What type of extra oral x ray evaluates the patient's facial profile and soft tissue?