Questions and CORRECT Answers
FPD fabrication steps: 1. Final impression
2. Interocclusal record
3. Master cast fabrication (pindex)
4. Master cast mounting
5. Die treatment
6. Waxing
7. Sprue attachment
8. Investing & casting
9. Finishing and polishing
In Junior clinic, final impressions for FPD must be made in Custom tray
(custom tray/ stock tray).
(Resin trays are more accurate for FPD impressions than plastic, stock trays)
The final impression for FPD is made with (alginate/ PVS). PVS - polyvinyl siloxane
The interocclusal record is trimmed to contact Cusp tips only.
_ __________ only. Why?
Larger areas of contact contribute to inaccuracy
The ideal height of the die is about _____ mm from die 12 mm
base to the preparation's finish line.
How many pins are placed in total for 18x20 FPD master 9
cast?