Question 168 (part 2) · LDEK · Dental laboratory technology
Gaseous porosity in finished mucosa-supported partial denture is a result of:
- A. exceeding the temperature of 100.3oC during polymerization.
- B. too quick cooling of the polymerization form.
- C. incorrect proportions, using too much liquid.
- D. incorrect proportions, using too much powder.
- E. not sufficient amount of acrylic mass.
Hint
Recall the boiling point of methyl methacrylate monomer and the exothermic nature of its polymerization.
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