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

Operative Dentistry > Exam 2: Class II Slot Preps-Quick & Dirty > Flashcards

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

Slot preps are great because they are ______ invasive.

A

minimally

2
Q

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

A

proximal….occlusal

3
Q

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

A

strength

4
Q

The _______ the isthmus the GREATER fracture potential.

A

larger

5
Q

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

A

0.5mm

6
Q

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

A

converging

7
Q

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

A

1/4 round bur

8
Q

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

A

0.5mm and parallel

9
Q

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

A

axial…pulp

10
Q

What are the 4 essential burs for our slot prep?

A

34D, 330C, 330D, 245C

11
Q

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

A

90 degree…tangent

12
Q

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

A

1mm for PM….1.2-1.5mm for molars

13
Q

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?

A

330D-flat bottom….245C-rounded bottom

14
Q

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 _____.

A

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

15
Q

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

A

132F-diamond

16
Q

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

A

PRE-PREPARED :)

17
Q

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

A

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