Week 15

Question 1

for #9 ACC prep, how much should incisal reduction be

Answer 1

2 mm

Question 2

where should the 1st plane on 2 plane reduction align with (ACC)

Answer 2

long axis of tooth

Question 3

how much should be removed when doing the facial reduction (ACC)

Answer 3

1 (~1.2) mm

Question 4

what should the lingual retentive plane align with (ACC)

Answer 4

first plane on the facial

Question 5

what is very easy to undercut on an ACC

Answer 5

lingual reduction

Question 6

what bur for anterior ACC lingual reduction

Answer 6

379

Question 7

how much lingual reduction/clearance (anterior ACC)

Answer 7

1.5 mm

Question 8

chamfer or shoulder all the way around for anterior ACC?

Answer 8

shoulder

Question 9

what should the multi-planed axial reduction mimic for #9 ACC

Answer 9

shape of #8 and #10

Question 10

how far to extend custom tray

Answer 10

3-5 mm below gingival crest

Question 11

how many layers of wax to use for custom tray? this is equivalent to what?

Answer 11

2 layers

this is equivalent of 3 mm polyvinyl siloxane (PVS)

Question 12

dimensions of the tissue stops on custom tray

Answer 12

3x3 mm

Question 13

how many tissue stops should be placed on custom tray

Answer 13

3 - tripoded on non-functional cusps and incisal edgess

Question 14

where to place tissue stops on custom tray

Answer 14

non functional cusps and incisal edgess

Question 15

when creating a custom tray, should you squish the wax real flat?

Answer 15

NO! you’ll use the 3 mm thickness

Question 16

what should you place on pink wax to help with custom tray relief once the material is cured?

Answer 16

small amount of vaseline

Question 17

how should you cut the Triad material to aid with forming the tray?

Answer 17

down the middle creating a horseshoe shape

Question 18

what should you do to custom tray to prevent material from flowing out the back of the tray? what does this do?

Answer 18

create an extension that covers the distal aspect of the last tooth. this allows for capture of distal margin of posterior preparations

Question 19

how should you form handle when making cutom tray for mandibular arch

Answer 19

straight up and a little out

Question 20

how many times will you bake the tray? what happens at each bake?

Answer 20

2x2 minute bakes

1st 2 minutes: just place it in with model and pink wax
2nd 2 minutes: remove model and pink wax and just place the custom tray in

Question 21

what should you do after baking the custom tray?

Answer 21

feel with fingers to remove rough spots and finish the rough edges!

Question 22

why do we have to smooth out the custom tray

Answer 22

it can hurt the patient (cutting etc.)

Question 23

T/F: if you wouldn’t place in your mouth, do not place in patient’s mouth

Answer 23

TRUE

Question 24

what does VLC stand for?

Answer 24

visibly light cured??

Question 25

what should the inside of the tray be painted with for the impression material to be used?

Answer 25

uniform coat of adhesive