Exam 2: Class II Slot Preps-Quick & Dirty Flashcards Preview

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Flashcards in Exam 2: Class II Slot Preps-Quick & Dirty Deck (17):
1

Slot preps are great because they are ______ invasive.

minimally

2

Slot preps are for _______ caries with NO involvement of the _______ pits & fissures.

proximal....occlusal

3

Increased _______ of amalgam over the years allows us for more conservative preps. Thanks dental materials research!

strength

4

The _______ the isthmus the GREATER fracture potential.

larger

5

The Facial, lingual, & gingival extensions of a slot prep just break through the contact to give ___mm. Which allows room for the matrix band.

0.5mm

6

Its EXTREMELY critical to have _______ facial and lingual walls on our slot prep.

converging

7

Retention grooves on our slot prep are made by a ______ bur.

1/4 round bur

8

The axial wall is ___mm into the DEJ and ______ to the DEJ.

0.5mm and parallel

9

Retention grooves are an EXTENSION of the ______ wall. This keeps us out of harms way from the ______ of the tooth.

axial...pulp

10

What are the 4 essential burs for our slot prep?

34D, 330C, 330D, 245C

11

Define the box area based on ____ degree angle of departure...A _______ line on a circle based on our extension point.

90 degree...tangent

12

Axial extension of box-___mm for PM & ___-___mm for molars.

1mm for PM....1.2-1.5mm for molars

13

After we have opened her up with the 34D, what two burs are recommended for finishing the walls? What is a unique characteristic of each?

330D-flat bottom....245C-rounded bottom

14

After smoothing the walls with our 330D or 245C, there will be enamel ____ on the F and L walls. You can remove them with your _____.

spurs...#10 hatchet (OR fine diamond!!) (HOE on MAXillary?)

15

Dr. H actually prefers using a ____ bur for the lingual (&F?) retention grooves. Thanks for telling us.

132F-diamond

16

Efficiency is important to happiness, so be _________!!!

PRE-PREPARED :)

17

What is the variation slot design were we add an occlusial dove tail? Which bur do you use for this technique?

arizona SUMMIT law school design...use the ole 1/2 round bur and cut on the upstroke