Restoring a class II amalgam

Question 1

After our class II is prepared, what are the steps for restoring?

Answer 1

1. place tofflemire and matrix band
2. wedge the band
3. triturate amalgam
4. place amalgam
5. carve amalgam
6. remove rubber dam
7. check and adjust occlusion
8. burnish and smoothen
9. reappoint for polish.

Question 2

whats the main purpose of the tofflemire?

Answer 2

restore anatomic proximal contours and contact areas

Question 3

what does the wedge against the matrix band do?

Answer 3

compresses matrix band agaisnt tooth to create tighter seal preventing gingival overhang, provides a slight separation between teeth.

Question 4

why should you burnish the matrix band?

Answer 4

to achieve a contour that facilitates the restoration.

Question 5

smaller diameter side of matrix band should face where?

Answer 5

gingivally

Question 6

the open mouth of the head of the tofflemire should face where?

Answer 6

gingivally

Question 7

the band should extend ____mm coronal to the cavocsurface of the prep?

Answer 7

1.5-2

Question 8

the band should exted ___ mm. cervically to the gingival cervical margin?

Answer 8

.5 mm

Question 9

after placing the wedge you should loosten the tofflemire how much?

Answer 9

1/4 turn

Question 10

REMEMBER, before placing the amalgam, what must you apply in the clinic that we dont do in sim?

Answer 10

E-on desensitizer

Question 11

in a class II, where do you start adding amalgam?

Answer 11

proximal box

Question 12

whats a good way of taking the matrix band off?

Answer 12

place a we cotton pellet and tease the band out.

Question 13

how do you check the marginal ridge?

Answer 13

go over it with a ball burnisher and make sure it doesnt jump and you pass the ridge