#4 MOD composite prep and restoration / #14 amalgam

Question 1

look at BWX to determine

Answer 1

interproximal decay

Question 2

box criteria

Answer 2

1) same as always
2) S curve on buccal
3) mosquito bur for exit angles

Question 3

sectional matrix and finishing

Answer 3

1) plastic or wooden
2) check gingival margin for seal
3) place rings both at same time
4) can remove flash with mosquito bur, half Hollenbeck, composite knife

Question 4

check overhang

Answer 4

1) wrap floss around the tooth and go up

Question 5

polishing order

Answer 5

1) brownie
2) greenie
3) super greenie
4) satin gray point
5) high gloss white point
6) broom

Question 6

14 MOL amalgam

Answer 6

1) cross the ridge when
- <1 mm tooth structure between central and distal pit preps
- caries undermines the oblique ridge
2) must make retention grooves
- bottom of box
- bottom of lingual groove

Question 7

14 dimension

Answer 7

1) 3 mm pulpal
2) 2 mm axial
3) 3 mm isthmus
4) clearance 0.5-1 mm
5) lingual groove half way down

Question 8

tofflemire

Answer 8

1) shove the wedge in the biggest embrasure
- push the teeth apart!!!
2) try to make nice embrasures and marginal ridge
- half hollenbeck and acorn