Operative II-E1: Gold Onlays part 2 Flashcards Preview

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Flashcards in Operative II-E1: Gold Onlays part 2 Deck (44):
1

Which bur is the best for DIVERGING the walls of the isthmus and box forms?

169(L)

2

What is the width of a maxillary PM gingival floor?

1.2mm

3

What is the range of contact separation on a maxillary PM?

0.5-1mm (to burnish the margins!)

4

The axial wall on a gold only prep is convex and ________

convergent

5

Non-Fxn Bevel: ___-___ mm

0.5-0.75mm

6

Gingival Bevel: ____mm

1.0mm

7

Functional Bevel: ___-___mm (my downfall)

1.0-1.5mm

8

The isthmus is _____ wide and _____ deep

2.0mm wide, 2.0mm deep

9

Dr. H "recommends" to use the ____ bur for cutting the depth grooves

856 D

10

When you are checking occlusion ALWAYS check which TWO positions?

1. MIP-static 2.Lateral Excursions-dynamic

11

IN THE HOOD: where is the hood located in relation to the pulpal floor?

APICAL to the pulpal floor

12

What is the finishing bevel on the hood?

LESS than 0.5mm (my nemesis today)

13

Why we in tha hood on the fxn cusp: it ________ the functional cusp

reinforces

14

Why we in tha hood on the fxn cusp: Placed below the level of the pulpal floor to prevent the ______ cusp from fracture

lingual...interesting

15

Why we in tha hood on the fxn cusp: improves ________ by providing a reciprocal wall on the palatal surface

retention

16

In the HOOD: the palatal wall is ______

convergent

17

I'm confused: ___mm finishing bevel along the entire cavo-surface margin

0.5mm...what was all that other bevel stuff?

18

When do I finish divergence of the internal walls?

AFTER the occlusal reduction (easier access and visibility, better able to determine retention)

19

If doing a skirt on a max molar, the ______ skirt will be larger than the ______ surface

distal larger than mesial

20

The pulpal and gingival floors are parallel to the ______ plane

occlusal plane

21

Which impression type? trip tray or full arch: less steps involved, DYNAMIC impression, reduces the "HIGH crown"!!!

triple tray

22

Which impression type? trip tray or full arch:
Accurate mounting is technique sensitive

full arch

23

Which impression type? trip tray or full arch:
Limited to stable occlusion and simple cases

trip tray

24

The double bite impression is 'dynamic' because when taken the teeth depress because of the ____

PDL

25

Indications for Triple Tray: Pt has a Type ___ bite

type I

26

Indications for Triple Tray: There is a stable, positive, and reproducible occlusion-- _____

MIP

27

Contra Indications for Triple Tray: NO _______ partial dentures!!

REMOVABLE

28

Contra Indications for Triple Tray: No Type___ NOR Type ___ occlusal schemes

Type II NOR Type III

29

Which material does Dr. H recommend for triple tray impressions?

Polyether, its more rigid

30

Which is more flexible Polyether or PVS?

PVS is more flexible, PE is more rigid

31

How many times should you rehearse the triple tray steps with the Pt?

3 times w empty tray

32

What are you looking for to ensure Pt is in MIP during a Triple Tray impression?

contralateral contacts

33

In a triple tray impression, you want to see _____ pass through the MIP contacts

light

34

What type of provisional do we use when a prep has thin areas under heavy occlusion?

Metal Ion

35

When using integrity, how long should the pt occlude for it to set?

60 seconds

36

What do you bond the Bis-Acrylic Resin Temp with?

Temp Bond

37

When using a metal ion temp, we will use pliers to thin and smooth the ______ of the temp

margins

38

If the metal ion temp has good retention, use _______ cement

Cement with B & T (ZOE)

39

If the metal ion temp is loose, reline with ______ then cement it with ______

acrylic...temp bond

40

What do you use to clean excess cement? Hopefully we don't have to use anesthetic...

an explorer, cotton and pumice

41

If you have an open margin when you go to deliver your crown, what do you ALWAYS check FIRST?

Contacts!

42

When adjusting the contacts, use a _______ ONLY

rubberized abrasive

43

Finalizing the marginal fit: smooth margins with a ____ bur and finish with a _____ stone. Use the ____ speed hand piece in _______

7404 bur...white stone....slow speed...reverse

44

To prepare the restoration, ______ the inside of it and _____ the tooth its going on

sandblast...pumcie