and Answers | A+ Score Assured
When taking alginate impressions, having the patient swish with a mouth
rinse such as Listerine prior to impressing helps decrease all of the
following except:
a: drooling by the patient
B: microorganisms on the impression
C: gagging by the patient
D: bubbles in the material - 🧠ANSWER ✔✔a: Drooling by the patient
You are seating your patient to take alginate impressions, what position will
you have them in?
A: upright
B: reclined
C: standing
D: supine - 🧠ANSWER ✔✔a: Upright
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,Which of the following would not be an effective communication method?
A: ask the patient to use predetermined hand signals to communicate with
you
B: explain to the patient that the material may feel cold
C: Ask the patient to breath through their mouth
D: inform the patient that they can bring their head forward and off the
headrest once you have seated the impression - 🧠ANSWER ✔✔C: Ask the
patient to breath through their mouth
In order to best record the muscle attachments, frenums, and achieve a
complete peripheral roll, the operator will need to perform_________ by
gently massaging the patients lips and cheeks.
A: facial trimming
B: frenectomy
C: muscle trimming
D; muscle rolling - 🧠ANSWER ✔✔C: muscle trimming
A main advantage of polyvinyl siloxane is that it has high dimensional
stability and pouring can be delayed for up to 7-10 days without distorting.
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,True
False - 🧠ANSWER ✔✔TRUE
Polysulfide is an impression material where the disadvantages outweigh
the advantages. Some of the main disadvantages are the odor, bad taste, it
stains, and has a long setting time.
True
False - 🧠ANSWER ✔✔TRUE
An impression tray should extend _____ mm beyond the last tooth in the
arch.
A: 1-2
B: 2-3
C: 3-4
D: 4-5 - 🧠ANSWER ✔✔B: 2-3
If an alginate impression remains in the open air, moisture will evaporate
from the material, causing it to shrink and distort. This condition is called:
A: expansion
B: imbibition
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, C: synersis
D: adaptation - 🧠ANSWER ✔✔C: synersis
As a right handed operator, when seating the mandibular impression, you
want to be standing at the side of the patient, near 8-9 o'clock. When
seating the maxillary impression, you will want to be behind the patients
head, near 11-12 o'clock.
True
False - 🧠ANSWER ✔✔TRUE
When might the fabrication of a custom tray be necessary?
A: the stock trays do not fit the patients mouth properly
B: the patient is edentulous
C: the patient needs whitening trays
D: the patient needs a specific orthodontic appliance
E: all of the above - 🧠ANSWER ✔✔E: all of the above
The purpose for the perforations in the impression trays is:
A; to allow the impression material to flow out of the perforations B:
creating a mechanical lock between the impression and the tray
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COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED