FGC impression/Pour Up Etc...

Question 1

What are some die relief application tips?

Answer 1

• 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

Question 2

Die should be inserted into the molten wax at what angle?

Answer 2

45

Question 3

how many coats of die sealer do you apply

Answer 3

Two

Question 4

What is the ideal dimension for the luting agent space?

Answer 4

-20-40 microns on the wall

Question 5

What is Type I inlay wax for?

Answer 5

• Medium to hard in consistency

- Generally used with the direct technique for making patterns in the oral cavity

Question 6

Which type of inlay wax shrinks more?

Answer 6

-Type I

Question 7

What is type II wax for?

Answer 7

-Used in the indirect technique

Question 8

Are cast post and core made with a parallel post or a tapered post?

Answer 8

-Tapered (allows you to insert easier)

Question 9

Does a cast post and core hold up better than a prefabricated post and core?

Answer 9

-yes

Question 10

-If a cast post and core fails is it retrievable?

Answer 10

-No

Question 11

If you have more than 1/2 of the coronal tooth structure missing what should you consider?

Answer 11

-Cast post and core

Question 12

What do you use the cast post and core with?

Answer 12

-PFM

Question 13

Is the bevel on the cast post and core critical?

Answer 13

-No, it is important though

Question 14

When you are making the temporary for the cast post and core where do you want the head of metal post?

Answer 14

-Lingual

Question 15

Does the material have to set passively in a triple crown tray impression?

Answer 15

-Yes, don’t force, bend, or twist them

Question 16

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.

Answer 16

True

Question 17

What is the axial reduction for FGC?

Answer 17

.5-1

Question 18

If you have a high noble casting can you bond that into place?

Answer 18

-You can if you tin plate it and you can only bond it with an adhesive resin cement

Question 19

what is in adhesive resin cements that allows you to bond?

Answer 19

4 META

Question 20

What is one of the major benefits of Zirconia?

Answer 20

-It can be used with any preparation design

Question 21

Diagnostic Tooth Preparation is done when?

Answer 21

-Before the preparations done clinically to give the operator a pre-view of what is going to happen clinically

Question 22

Which type of biotype is more susceptible to gingival recession?

Answer 22

-Thin

Question 23

What are the most important areas of a crown and bridge impression?

Answer 23

• Margin
• Proximal surfaces
• Opposing occlusion

Question 24

At the U of U SOD what requires you take a full arch impression rather than a dual arch impression?

Answer 24

• 2nd molar
• Canine
• 3 or more units

Question 25

When you remove a dual arch anterior impression for a cast post and core (tooth #27) what order to you take it all apart?

Answer 25

• Take the opposing arch off first

- Remove the impression off the axis of the post

Question 26

What do you do if the pt bites and hits the post?

Answer 26

-Adjust the post

Question 27

Is it advisable to enlarge canal to create a bigger diameter post to strengthen restoration?

Answer 27

-No

Question 28

We cut apically to occlusally when cutting a dye, why?

Answer 28

-To not abrade the margins it is safer

Question 29

Why is it important to keep cuts relatively parallel?

Answer 29

-So you can remove them indepdently and put them back in

Question 30

What is the dangerous direction to have cutting edge rotating in?

Answer 30

• Parallel with the margin

- Perpendicular with the axis of the die

Question 31

When you trim the die what are you doing with the contours of your die apical to the margins?

Answer 31

-Maintain the axial wall contours

Question 32

Why is the keyway placed to the lingual?

Answer 32

• Consistent for both arches
• If on the facial it could cause a fracture
• You have more tooth structure on the lingual