COMPILATION OF P2 LABORATORY SAS Question and answers correctly solved 2024/2025
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Course
GYPSUM AND WAX
Institution
GYPSUM AND WAX
COMPILATION OF P2 LABORATORY SAS Question and answers correctly solved 2024/2025 COMPILATION OF P2 LABORATORY SAS (12-21) ACTIVITIES
Preliminary or diagnostic cast - correct answer is defined as a positive likeness of the parts of the
oral cavity for the purpose of study, treatment planning ...
COMPILATION OF P2 LABORATORY
SAS (12-21) ACTIVITIES
Preliminary or diagnostic cast - correct answer ✔is defined as a positive
likeness of the parts of the
oral cavity for the purpose of study, treatment planning and/or fabrication of
final impression trays.
preliminary impression - correct answer ✔Preliminary or diagnostic cast is
obtained from _________________________________.
Preliminary or diagnostic cast - correct answer ✔This is used to manufacture
the custom tray.
Inversion method ; Boxing-in method - correct answer ✔The different
methods in pouring plaster of Paris on preliminary impression are by means of
__________________ and _______________________ in the final
impression.
half the height of the ridge ; entire ridge ; inverted - correct answer
✔Inversion method has three pours: The first pour extend up to
_____________________________. The second pour fill
the ___________________ and the last is _______________ over the base
former.
A. Mixing bowl
B. Mixing spatula
C. PPE
D. Plaster of Paris
,E. Water
F. Plaster knife or Laboratory knife
G. Base former
H. Glass slab
I. Model trimmer - correct answer ✔List down the materials needed in this
procedure (Presumably Making the
Diagnostic/Preliminary Cast)
c. 2-3 mm - correct answer ✔Beading wax is adapted and sealed around the
periphery of the impression _____ away from the extremities.
a. 1-2 mm
b 4-5 mm
c. 2-3 mm
d. 45 3-4 mm
d. extend half the height of the ridge - correct answer ✔The first pour should
be:
a. a little thicker in consistency
b. should fill the entire ridge
c. contoured on the peripheral areas
d. extend half the height of the ridge
a. 45 minutes - correct answer ✔Plaster of Paris should be allowed to set
undisturbed generally for:
, a. 45 minutes
b. 30 minutes
c. 35 minutes
d. 1 hour
a. 5 minutes - correct answer ✔The cast should be soaked in slurry water for
_____ before trimming.
a. 5 minutes
b. 3 minutes
c. 1 minutes
d. 10 minutes
d. master cast - correct answer ✔Type of cast which is obtained from final
impression:
a. refractory cast
b. die cast
c. preliminary cast
d. master cast
Bite registration - correct answer ✔is a technique done to transform the
relation between the upper
and lower dental arch from the patient mouth to the articulator.
We have the dental waxes, ZOE paste, acrylic resin and elastomeric materials
such as polyether and addition silicone. - correct answer ✔What are the
materials used for bite registration/occlusal registration?
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