Question 169 (part 2) · LDEK · Dental laboratory technology
Specify fundamental difference between direct and reverse flasking during mucosa-supported partial denture fabrication:
- A. compression molding in reverse method for 20 min 8-18 kG, in direct method for 60 min 40-50 kG.
- B. scalding the was in reverse method in water bath at 1000C for 3-4 min, in direct method at 600C for 20-25 min .
- C. in reverse technique teeth and external part of the denture are layered with plaster, forming a ridge, in direct method no.
- D. in direct technique teeth and external part of the denture are layered with plaster, forming a ridge, in direct method no.
- E. there is no difference between the methods.
Hint
Focus on what covers the artificial teeth and polished surface during investing, and where the teeth end up after wax elimination.
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