Class I Cavity Preparation (Coventional Prep)

Question 1

is dentin typically involved and lesion is described as what

Answer 1

dentin typically involved
lesion has “carverned”

Question 2

Isthmus width should be what

Answer 2

1-1.5mm

Question 3

maximum recommended occlusal width iswhat

Answer 3

1/3 inter-cuspal distance unless pathology dictates further extension

Question 4

mesial and distal margins must be located what

Answer 4

1/3-1/2 the distance between the pit and the crest of the marginal ridge & parallel to it

Question 5

width of the marginal ridge is what

Answer 5

1.5mm

Question 6

F-L walls slightly what towards the occlusal

Answer 6

slightly convergent

Question 7

what is the adequate pulpal depth for strength of restoration

Answer 7

1.5 - 2 mm

Question 8

pulpal flor in what layer and what in relation to occlusal table

Answer 8

pulpal floor in dentin, parallel to occlusal table

Question 9

what is proper cavosurface exit angle

Answer 9

90 degrees

Question 10

converge or diverge B&L walls
converge or diverge M&D walls

Answer 10

converge B&L walls (come in a bit)
diverge M&D walls (flared out)

Question 11

conventional design for composite how far deep into dentin

Answer 11

0.5 mm