Podcast
Questions and Answers
What is the result of inadequate packing pressure on the mold?
What is the result of inadequate packing pressure on the mold?
- Improved coefficiency of thermal contraction
- Irregular voids on the surface of the denture (correct)
- Uniform polymerization of the acrylic dough
- Increased polymerization shrinkage
What is the effect of residual monomer on the denture?
What is the effect of residual monomer on the denture?
- It makes the denture weaker and more flexible (correct)
- It has no effect on the denture's properties
- It makes the denture stronger and more rigid
- It increases the denture's optical properties
What is the primary cause of contraction or shrinkage porosity on the surface of the denture?
What is the primary cause of contraction or shrinkage porosity on the surface of the denture?
- Insufficient dough packed in the mould (correct)
- Packing before the dough stage
- Underpacking of the material
- Overpacking of the material
What is the purpose of packing excess acrylic dough?
What is the purpose of packing excess acrylic dough?
What is the consequence of under curing the acrylic resin?
What is the consequence of under curing the acrylic resin?
What is the result of exceeding the boiling temperature of the resin during polymerization?
What is the result of exceeding the boiling temperature of the resin during polymerization?
What is the effect of polymerization on the material's volume?
What is the effect of polymerization on the material's volume?
What is the result of overheating the acrylic resin during curing?
What is the result of overheating the acrylic resin during curing?
What is the purpose of ensuring sufficient dough is packed in the mould during denture base manipulation?
What is the purpose of ensuring sufficient dough is packed in the mould during denture base manipulation?
Why is it important to cool the flask slowly?
Why is it important to cool the flask slowly?
What is the result of packing the material before the dough stage?
What is the result of packing the material before the dough stage?
What is the initiator used in the polymerization reaction of PMMA?
What is the initiator used in the polymerization reaction of PMMA?
What is a technique used to reduce polymerization shrinkage?
What is a technique used to reduce polymerization shrinkage?
Why is using composite inlays beneficial for patients requiring multiple restorations?
Why is using composite inlays beneficial for patients requiring multiple restorations?
What is the effect of a higher amount of polymer matrix on the thermal coefficient of expansion?
What is the effect of a higher amount of polymer matrix on the thermal coefficient of expansion?
Which type of composite is more prone to marginal percolation?
Which type of composite is more prone to marginal percolation?
What is a notable difference in surface finish between microfilled and macrofilled composites?
What is a notable difference in surface finish between microfilled and macrofilled composites?
How do microfilled composites compare to conventional composites in terms of compressive strength?
How do microfilled composites compare to conventional composites in terms of compressive strength?
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