L1: Oper Dent & Class II Amalgam Prep Rvw

Question 1

why do you want isolation of operating field

Answer 1

better visualization 
better acces 
prep walls dry and clean 
your material work better 
prevents injury auto pt soft tissues 
prevents aspiration and swallowing of debris 
fewer aerosols

Question 2

with isolation of operating field how do your material work better

Answer 2

• improper ties - direct contact of varnish/liner/base with cavity walls
• moisture affects bond as well as materials ability to set up

Question 3

components of dental dam set up

Answer 3

rubber sheet, clamp, frame, punch, forceps

Question 4

which side of rubber damn faces operator? patient?

Answer 4

dull side faces operator

shiny side against patient tongue, palate

Question 5

different sizes of rubber dams for kids and adults

Answer 5

5x5 kids

6x6 adults

Question 6

avg thickness [guage] of dental dam

Answer 6

heavy 0.010

Question 7

material of frame

Answer 7

metal or plastic

Question 8

when punch, which tooth gets larger hole

Answer 8

anchor tooth

Question 9

how do you choose punch hole size

Answer 9

tooth size

Question 10

forceps are used to

Answer 10

place clamps

holes in clamp correspond to extension in forceps

Question 11

parts of retainer/clamp

Answer 11

bow
jaws
forceps holes
points

Question 12

isolation of operating field is extremely important in ____ cases

Answer 12

composite

Question 13

composite bonding requires ____ surface

Answer 13

uncontaminated

Question 14

wet field =

Answer 14

recurrent caries or failed bond

Question 15

for class II, how many teeth anterior and posterior to tooth your working on for the dam

Answer 15

1 posterior - anchor

2 anterior

Question 16

how to use a dam for anterior

Answer 16

canine to canine

clamp on one premolar

Question 17

for pedriatric how to isolate with dam?

Answer 17

only isolate teeth necessary

Question 18

for endo how do you isolate

Answer 18

single tooth

Question 19

for general isolation/FDP - general field isolation it may be acceptable to

Answer 19

cut a slit between holes

Question 20

six steps to properly isolate

Answer 20

1. prep work
2. place clamp in dam
3. place dam over tooth
4. stretch dam through contacts
5. invert dam
6. ligate anterior tooth

Question 21

how do you prep a dam

Answer 21

punch holes
check contact for floss shredding
mark occlusion

Question 22

dont forget to tie clamp with

Answer 22

floss

Question 23

can you use a dam with or without frame in place

Answer 23

yes

Question 24

how do you invert a dam

Answer 24

delicately blow air around cervical area and push rubber into sulcus with plastic instrument

Question 25

examples of antisialogogue meds [rarely used]

Answer 25

atropine

banthine

Question 26

example of absorbents

Answer 26

cotton rolls
dry shield
2x2 gauze
cotton pellets

Question 27

options to use for sectioning

Answer 27

high evacuation suction [ best with assistant]
saliva ejector
svedopter
Isovac

Question 28

where are cotton rolls placed?

Answer 28

vestibule,

Question 29

which absorbent is the least effective

Answer 29

2x2 guaze

Question 30

dry shield blocks ___, retracts/protects ____

Answer 30

block parotid, retracts and protect cheek

Question 31

how to remove cotton rolls and dry shield

Answer 31

wet when removing to avoid “cotton roll burn”

Question 32

cotton pellets remove moisture:

Answer 32

from inside preps

when pt is sensitive to air and water spray

Question 33

why is vented high evacuation suction better

Answer 33

reduces sucking up of tongue and mucosa

Question 34

high evacuation suction very effective at

Answer 34

picking up debris

can be used to retract tissue

Question 35

saliva ejector is _____ at removing debris

Answer 35

ineffective

do not have patient s close lips around suction

Question 36

name of old fashion isovac

Answer 36

svedopter

Question 37

3 additional tools used in isolation

Answer 37

retraction cord
bite block
anterior lip retractors

Question 38

rubber dam is the _____ method of isolation

Answer 38

optimal NOT OPTIONAL

Question 39

d1: caries extend only to _____

Answer 39

first 1/3 of dentin

Question 40

what is the treatment planning consideration for D1