Exam 2: Outline Form

Question 1

Objectives: ________ as much tooth structure as possible….Remove all ______ and defects….Design the preparation so that the tooth and restoration will last and resist _______ and displacement….Provide ____ protection if needed

Answer 1

conserve….caries…fracture…pulp

Question 2

________: the border between the restoration (preparation) and the unprepared tooth surface.

Answer 2

outline form

Question 3

For oblique ridges: the outline of the prep stays ______ to the oblique ridge. WHEN do you take that puppy out???

Answer 3

parallel….<1.0mm

Question 4

Which mandibular tooth has a transverse ridge that we will make 2 separate preps on? (unless the ridge is thin <1mm)

Answer 4

mand 1st pm

Question 5

_______ is the biggest factor in determining our outline design.

Answer 5

Caries

Question 6

Caries spreads _______ once it gets past the DEJ.

Answer 6

laterally

Question 7

______ dictates the outline.

Answer 7

Caries

Question 8

Make sure you look under the enamel along the DEJ to make sure all caries is removed, so that there is no ______ enamel!

Answer 8

undermined

Question 9

_______ extensions extend from a proximal lesion because of decalcification.

Answer 9

FINGER

Question 10

If there is ______ enamel extend outline ONLY in that area!

Answer 10

decalcified

Question 11

Sometimes we need to extend a prep to break contacts and fit a ______.

Answer 11

matix band

Question 12

Sometimes we need to extend into _______ areas for retention & resistance forms!

Answer 12

noncarious

Question 13

Sometimes we extend a prep for the ability to ______ and ______ away excess restorative material.

Answer 13

carve & polish

Question 14

In amalgam preps, we extend the contact areas allows for ___-___mm of separation.

Answer 14

0.5-1.0mm

Question 15

Whats the main difference in prep for gold vs amalgam?

Answer 15

Gold has diverging walls whereas amalgam has converging walls.

Question 16

In composite preps, it is acceptable to have ______ enamel, since the material _____ to the tooth.

Answer 16

undermined…bonds

Question 17

Which tooth are we concerned about esthetics for amalgam MO slot preps?

Answer 17

max first pm

Question 18

In cosmetic dentistry we can extend the ______ in order to better blend our composite.

Answer 18

bevels

Question 19

If the Pt has high caries risk (systemic disease or high caries risk), are we going to be more conservative or more aggressive on our preps?

Answer 19

more aggressive

Question 20

What might we have to do to our amalgam prep for a Pt in group function?

Answer 20

make it bigger for the added occlusial forces!