Similar questions:
Hydrocolloid impression materials must be poured immediately because they
are subject to syneresis and inbibition.NDEB released questions part 2 set 7
If an alginate impression must be stored for a few minutes before the cast is poured, it should be placed in
100% relative humidityNDEB released questions part 2 set 10
A dental laboratory has returned a removable partial denture framework. The framework fit the master cast well but when tried in the mouth, a stable fit could not be achieved. The possible cause(s) of the problem is/are
1. distortion in the final impression.
2. insufficient retention.
3. improper pour of the master cast.
4. casting error.
(1) and (3)
NDEB released questions part 2 set 13
If an impression were taken with a mercaptan rubber base material of teeth exhibiting severe external undercuts a stone model should be poured
after 30 minutesNDEB released questions part 2 set 14
To ensure the greatest accuracy, rubber base impressions should be poured
within 1 hourNDEB released questions part 2 set 15
pour
forMost common french words set 1
Prior to pouring a stone model, the immersion of a hydrocolloid impression in 2~percent potassium sulphate for 2~to~5~minutes will
accelerate the set.NDEB released questions set 5
If an alginate impression must be stored for a few minutes before the cast is poured, it should be placed in
100% relative humidity.NDEB released questions set 7
A dental laboratory has returned a removable partial denture framework. The framework fit the master cast well but when tried in the mouth, a stable fit could not be achieved. The possible cause(s) of the problem is/are
1. distortion in the final impression.
2. insufficient retention.
3. improper pour of the master cast.
4. casting error.
(1) and (3)
NDEB released questions set 8
If an alginate impression must be stored for a few minutes before the cast is poured, it should be placed in
100% relative humidity.NDEB released questions set 11
What ADA type die stone should be used to pour dies for porcelain fused to metal crowns when a polyvinylsiloxane impression material is used?
Type IV.NDEB released questions set 13
If an alginate impression must be stored for a few minutes before the cast is poured, it should be placed in
100% relative humidity.Planets 30
A dental laboratory has returned a removable partial denture framework. The framework fit the master cast well but when tried in the mouth, a stable fit could not be achieved. The possible cause(s) of the problem is/are
1. distortion in the final impression.
2. insufficient retention.
3. improper pour of the master cast.
4. casting error.
(1) and (3)
Planets 29
Which impression material can be stored for more than 24 hours before being poured and still produce accurate dies?
Polyvinylsiloxane.Planets 28
Hydrocolloid impression materials must be poured immediately because t
are subject to syneresis and inbibition2014
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