Operative II-E1: Gold Onlays part 2

Question 1

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

Answer 1

169(L)

Question 2

What is the width of a maxillary PM gingival floor?

Answer 2

1.2mm

Question 3

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

Answer 3

0.5-1mm (to burnish the margins!)

Question 4

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

Answer 4

convergent

Question 5

Non-Fxn Bevel: ___-___ mm

Answer 5

0.5-0.75mm

Question 6

Gingival Bevel: ____mm

Answer 6

1.0mm

Question 7

Functional Bevel: ___-___mm (my downfall)

Answer 7

1.0-1.5mm

Question 8

The isthmus is _____ wide and _____ deep

Answer 8

2.0mm wide, 2.0mm deep

Question 9

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

Answer 9

856 D

Question 10

When you are checking occlusion ALWAYS check which TWO positions?

Answer 10

1. MIP-static 2.Lateral Excursions-dynamic

Question 11

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

Answer 11

APICAL to the pulpal floor

Question 12

What is the finishing bevel on the hood?

Answer 12

LESS than 0.5mm (my nemesis today)

Question 13

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

Answer 13

reinforces

Question 14

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

Answer 14

lingual…interesting

Question 15

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

Answer 15

retention

Question 16

In the HOOD: the palatal wall is ______

Answer 16

convergent

Question 17

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

Answer 17

0.5mm…what was all that other bevel stuff?

Question 18

When do I finish divergence of the internal walls?

Answer 18

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

Question 19

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

Answer 19

distal larger than mesial

Question 20

The pulpal and gingival floors are parallel to the ______ plane

Answer 20

occlusal plane

Question 21

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

Answer 21

triple tray

Question 22

Which impression type? trip tray or full arch:

Accurate mounting is technique sensitive

Answer 22

full arch

Question 23

Which impression type? trip tray or full arch:

Limited to stable occlusion and simple cases

Answer 23

trip tray

Question 24

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

Answer 24

PDL

Question 25

Indications for Triple Tray: Pt has a Type ___ bite

Answer 25

type I

Question 26

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

Answer 26

MIP

Question 27

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

Answer 27

REMOVABLE

Question 28

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

Answer 28

Type II NOR Type III

Question 29

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

Answer 29

Polyether, its more rigid

Question 30

Which is more flexible Polyether or PVS?

Answer 30

PVS is more flexible, PE is more rigid

Question 31

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

Answer 31

3 times w empty tray

Question 32

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

Answer 32

contralateral contacts

Question 33

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

Answer 33

light

Question 34

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

Answer 34

Metal Ion

Question 35

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

Answer 35

60 seconds

Question 36

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

Answer 36

Temp Bond

Question 37

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

Answer 37

margins

Question 38

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

Answer 38

Cement with B & T (ZOE)

Question 39

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

Answer 39

acrylic...temp bond

Question 40

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

Answer 40

an explorer, cotton and pumice

Question 41

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

Answer 41

Contacts!

Question 42

When adjusting the contacts, use a _______ ONLY

Answer 42

rubberized abrasive

Question 43

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

Answer 43

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

Question 44

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

Answer 44

sandblast...pumcie