Similar questions:
The rate of "set" of polysulfide impression materials is accelerated by
increasing the mixing temperatureNDEB released questions part 2 set 6
Polysulfide rubber base impressions should be
allowed to stand a half hour before pouringNDEB released questions part 2 set 6
The principal advantage of polyether impression materials over polysulfide polymer impression materials is
less dimensional change with time.NDEB released questions part 2 set 7
In taking an impression with polysulfide or silicone materials, if the heavy bodied tray material begins to set before seating, the resultant die will
be overall smallerNDEB released questions part 2 set 7
Impressions made with thiokol (polysulfide) rubber may be
All of the aboveNDEB released questions part 2 set 14
In taking a polysulfide impression for a cast restoration in the maxilla, the tray must
1. be rigid.
2. have occlusal stops.
3. cover the hard palate.
4. be coated with an adhesive cement
(1) (2) (4)
NDEB released questions part 2 set 14
In comparing polysulfide, polyether and addition cured silicone impression materials, which of the following statements is true?
All three of the materials contract slightly during curingNDEB released questions part 2 set 15
Dental polysulfide rubber impression materials are polymerized with the following initiator:
lead peroxideNDEB released questions set 6
The accuracy of the mercaptan polysulfide and silicone rubber impression materials
compares favorably with reversible hydrocolloids.
NDEB released questions set 6
In taking a polysulfide impression for a cast restoration in the maxilla, the tray must
1. be rigid.
2. have occlusal stops.
3. cover the hard palate.
4. be coated with an adhesive cement.
(1) (2) (4)
NDEB released questions set 6
Polysulfide impression materials
demonstrate, after polymerization, cross-linking chains.Planets 31
The accuracy of the polysulfide and silicone rubber impression materials
compares favorably with reversible hydrocolloids.Planets 31
Dental polysulfide rubber impression materials are polymerized with the following initiator:
lead peroxide.Planets 31
In taking an impression with polysulfide or silicone materials, if the heavy bodied tray material begins to set before seating, the resultant die will
be overall smaller.Planets 31
Polysulfide impression materials
demonstrate, after polymerization, cross-linking chainsHistory 1
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