FGC impression/Pour Up Etc... Flashcards
What are some die relief application tips?
- Apply thin and evenly
- Frequently dip applicator brush into die relief to prevent brush from drying out
- Do not allow the die relief to puddle
- Begin with the color you do not want
- First coat should be applied within 2-3 mm of prep margins
- Final coat should be applied within 1-2 mm of prep margins
Die should be inserted into the molten wax at what angle?
45
how many coats of die sealer do you apply
Two
What is the ideal dimension for the luting agent space?
-20-40 microns on the wall
What is Type I inlay wax for?
- Medium to hard in consistency
- Generally used with the direct technique for making patterns in the oral cavity
Which type of inlay wax shrinks more?
-Type I
What is type II wax for?
-Used in the indirect technique
Are cast post and core made with a parallel post or a tapered post?
-Tapered (allows you to insert easier)
Does a cast post and core hold up better than a prefabricated post and core?
-yes
-If a cast post and core fails is it retrievable?
-No
If you have more than 1/2 of the coronal tooth structure missing what should you consider?
-Cast post and core
What do you use the cast post and core with?
-PFM
Is the bevel on the cast post and core critical?
-No, it is important though
When you are making the temporary for the cast post and core where do you want the head of metal post?
-Lingual
Does the material have to set passively in a triple crown tray impression?
-Yes, don’t force, bend, or twist them
T/F You can get a more/most accurate bite record/registration component with a dual arch impression tray than with a full mouth impression.
True
What is the axial reduction for FGC?
.5-1
If you have a high noble casting can you bond that into place?
-You can if you tin plate it and you can only bond it with an adhesive resin cement
what is in adhesive resin cements that allows you to bond?
4 META
What is one of the major benefits of Zirconia?
-It can be used with any preparation design
Diagnostic Tooth Preparation is done when?
-Before the preparations done clinically to give the operator a pre-view of what is going to happen clinically
Which type of biotype is more susceptible to gingival recession?
-Thin
What are the most important areas of a crown and bridge impression?
- Margin
- Proximal surfaces
- Opposing occlusion
At the U of U SOD what requires you take a full arch impression rather than a dual arch impression?
- 2nd molar
- Canine
- 3 or more units