QUESTIONS & ANSWERS
The various stages of flasking do not adhere to each other because... - ANSWERSA plaster separating
medium is used
Stone particles can be effectively removed from a denture with a solution of sodium... - ANSWERSCitrate
When a elastomeric material is used to take an impression, what type of tray should be used? -
ANSWERSCustom
How are porcelain teeth removed from the denture base when rebasing a complete denture? -
ANSWERSThe teeth are slightly vaselined and heated with an alcohol torch until the resin turns white.
Denture base resins may be cured by immersing the flask in a water bath... - ANSWERSFor 165 degrees
for 9 hours or 1 hour and boil for 30 minutes.
One of the basic differences between inlay wax and other waxes is that inlay wax: - ANSWERSHas the
least amount of flaking and cracking
The fragment of a broken denture may be stabilized prior to pouring cast with... - ANSWERSA steel bur
When flasking a denture... - ANSWERSStone is for all stages for best results.
During a laboratory remount, the opening between the incisal pin of the articulator and incisal guide
table should measure approximately: - ANSWERS1.0 to 1.5 mm
Some denture construction techniques may not require base plates because... - ANSWERSThe denture
base are first completed and used as base plates
, If the flasks are warm when you remove them from the curing unit, you should allow the flasks to bench
cool in an effort to avoid... - ANSWERSWarpage
Soaking stone casts in water would produce a solution of: - ANSWERSSaturated Calcium Sulfate
Dihydrate
If the free monomer in the acrylic boils, the denture may show: - ANSWERSPorosity
A simple method to facilitate the removal of mandibular denture containing a reline impression from a
cast is to... - ANSWERSMake a diagonal cut through the denture base in the retromylohyoid region.
Hydrocolloid or alginate impressions that cannot be poured immediately after being taken should be
stored in: - ANSWERSA humidor at 100% humidity.
Baseplate wax is comped primarily of: - ANSWERSBeeswax
When polishing complete dentures, tripoli is... - ANSWERSApplied to polishing wheel
The wax denture base is eliminated by... - ANSWERSPlacing the flask in boiling water, opening the flask
and flushing out the wax.
Final impression materials are stable and able to resist rough handling. - ANSWERSFalse
In constructing a biteguard appliances, self-curing resin is applied to sections of the cast at different
times to... - ANSWERSPrevent shrinkage and distortion.
When pouring a preliminary alginate impression, the surface of the alginate should be... -
ANSWERSMoist
Casts are most easily mounted using... - ANSWERSA medium-thin mix of impression plaster