Week 14

Question 1

what is the most retentive of crown preparations

Answer 1

full coverage crowns

Question 2

when compared with partial coverage designs, the ___ exhibits superior retention and resistance

Answer 2

full coverage crown

Question 3

what teeth should use full coverage crown

Answer 3

restorations demands maximum retention

Question 4

what should be used when less extensive and less destructive designs have been considered and found lacking in retention, resistance, coverage, or esthetics to properly restore tooth

Answer 4

full coverage crown

Question 5

the preparation for a ___ is less destructive than that required for __or __

Answer 5

full metal crown; metal-ceramic; all-ceramic crown

Question 6

per the book, how much clearance should be from functional and nonfunctional crown of FCC

Answer 6

1.5 mm

Question 7

the ___ restoration is 2.8 times as strong as __

Answer 7

metal-ceramic; ceramic restorations

Question 8

how should you cut the matrix for anterior teeth

Answer 8

into labial and lingual halves

Question 9

what should you do your lingual reduction with on an anterior metal ceramic crown prep

Answer 9

with a coarse-grit football bur 379

Question 10

what type of crown produces that best esthetic effect of all dental restorations

Answer 10

all ceramic crowns

Question 11

do ACC contain cast metal

Answer 11

NO

Question 12

what is traditionally very brittle and prone to fracture

Answer 12

ACC

Question 13

when did ACC begin to be reinforced with alumina

Answer 13

1960

Question 14

what are recent advancements of ACC

Answer 14

inclusion of lithium disilicate and zirconia

Question 15

shoulder or chamfer on ACC?

Answer 15

shoulder ALL THE WAY AROUND

Question 16

margin mm of shoulder on ACC

Answer 16

1mm (per powerpoint) but gradoville says 0.8mm

Question 17

should you do a two-planed labial reduction on ACC prep

Answer 17

YES

Question 18

what bur to use for labial reduction of anterior ACC

Answer 18

847 - coarse-grit flat-end tapered diamond

Question 19

what bur to use for lingual reduction of anterior ACC

Answer 19

379 - coarse-grit football bur

Question 20

what should the incisal reduction be on anterior ACC

Answer 20

1.5-2 on powerpoint but gradoville says 1.75

Question 21

what should the reduction be (in mm) on facial and lingual sides of tooth

Answer 21

> 1.5 mm