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Hydrocolloid impression materials must be poured immediately because they
are subject to syneresis and inbibition.NDEB released questions part 2 set 7
The best means of extending the working time of an irreversible hydrocolloid impression material is to
use cold waterNDEB released questions part 2 set 14
Irreversible hydrocolloid materials are best removed from the mouth by
a quick snapNDEB released questions part 2 set 14
Alginate hydrocolloids
All of the aboveNDEB released questions part 2 set 14
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
Which of the following prevents distortion of a reversible hydrocolloid impression material?
Storage in 100 percent humidity for 30 minutes.NDEB released questions set 5
Reversible hydrocolloids transform from sol to gel and gel to sol as a function of the
temperature.NDEB released questions set 6
Irreversible hydrocolloid materials are best removed from the mouth by
a quick snap.NDEB released questions set 7
The best means of extending the working time of an irreversible hydrocolloid impression material is to
use cold water.NDEB released questions set 7
Reversible hydrocolloids transform from sol to gel and gel to sol as a function of the
temperature.Planets 31
Which of the following prevents distortion of a reversible hydrocolloid impression material?
Storage in 100% humidity for 30 minutesPlanets 31
The immersion of a hydrocolloid impression in 2% potassium sulphate for 2 to 5 minutes will
accelerate the set of the stone.Planets 31
Irreversible hydrocolloid materials are best removed from the mouth by
a quick snap.Planets 30
The best means of extending the working time of an irreversible hydrocolloid impression material is to
use cold water.Planets 29
Reversible hydrocolloids have all the properties Except
Excellent Dimensional stabilityHistory 1
oscarj27