review

Question 1

what are indications for dental dam placement

Answer 1

• infection control barrier
• protection of inhalation of debris
• safeguard for patients mouth
• protection for contamination of the tooth
• moisture control device
• improvement of access and visibility

Question 2

what are contraindications for dental dam application

Answer 2

• latex allergies
• claustrophobic patient
• asthma
• herpes
• cracks or blisters

Question 3

what gauge of dental dam is most preferred for endodontic procedures

Answer 3

thin is used for endodontic procedures

Question 4

which dental dam frame is placed under the dam

Answer 4

plastic u shaped frame

Question 5

what is the purpose of the dental dam napkin

Answer 5

1. increases patient comfort by absorbing moisture from patients face and dam
2. may also be useful to protect the dam from patients face in case of allergies to latex

Question 6

what type of lubricant is used on the underside of the dental dam

Answer 6

water soluble lubricant

Question 7

why would you not use Vaseline on the underside of the dental dam

Answer 7

interferes with setting of certain dental materials and breaks down latex

Question 8

what is the function of the stylus on the dental dam punch

Answer 8

makes holes to open in punch plate

Question 9

what are the parts of the dental dam clamp

Answer 9

1. the bow - rounded portion of the xlamp that extends through the dam
2. the jaw - encircles the tooth
3. the hole - located in each side of jaw of clamp. firs the beak of forceps
4. winged clamp - extra extension to help retain dental dam (W means wingLESS)

Question 10

when selecting the dental dam clamp, what would you consider

Answer 10

universal, what tooth, what quadrant, wings or wingless

Question 11

why should a dental dam clamp be ligated and with what

Answer 11

it is for important safety measures in case the patient swallows or inhales the clamp
- it is done with floss

Question 12

when should the dental dam clamp be ligated

Answer 12

before placing clamp on patients tooth

Question 13

would the dental dam punch hole size change if the teeth are malaligned

Answer 13

yes

Question 14

which hole size on the dental dam punch plate is used for the keypunch hole

Answer 14

5

Question 15

what armementarium is used for the dental dam placement and removal

Answer 15

basic 3
dental dam
dental dam punch
clamps with ligature
clamp forceps
frame
dental dam napkin
floss
lubricant
black spoon
crown and bridge scissors

Question 16

why must you floss the teeth before placing dental dam

Answer 16

to ensure there is a tight enough fit between each tooth for the dma to slip into

Question 17

why is the dental dam inverted

Answer 17

prevents saliva leakage onto working area

Question 18

what is the purpose of topical anesthetic

Answer 18

to provide numbing effect in a specfic area where an injection is to take place

Question 19

what drug may cause an allergic reaction in topical anesthtic

Answer 19

Ester

Question 20

what is the function of the contra-angle tofflemire? what surface does it rest on

Answer 20

allows for lingual placement when the buccal surface of tooth is missing

Question 21

which circumference of the matric band is towards the gingival margin

Answer 21

smaller circumference

Question 22

how would you prepare a matrix band before putting it in the tofflwmire

Answer 22

contour

Question 23

what would you use to contour the matrix band once it is on the tooth

Answer 23

end of shepherds hook or burnisher

Question 24

would you remove the matrix band and tofflemire before or after the edge

Answer 24

before the wedge

Question 25

how far below the cavity prep floow must the matrix band be seated

Answer 25

no more than 1-1.5 mm below gingival margin

Question 26

explain the function of a wedge

Answer 26

helps with overhanging, ensure the matrix band is flush against tooth

Question 27

lis the materials wedges are available in

Answer 27

plastic or wood

Question 28

what would result in improperly placed wedges

Answer 28

overhang or cupping

Question 29

how should the wedge be sitting in an embrasure space

Answer 29

flat side on the gingiva

Question 30

what are the steps in removing the wedge and matrix band and retainer

Answer 30

remover retainer remove matrix band remove wedge

Question 31

what are the components of the tofflemire retainer

Answer 31

spindle: screwlike pin that holds end of matrix band outer guide slots: guides loop of matrix band outer knob: tightens or loosens the spindle inner knob: increases or decrease the size of matrix band loop diagonal slot: positions the end of matrix band

Question 32

two types of rinsing

Answer 32

limited area and full mouth

Question 33

thicknesses of dental dams

Answer 33

thin, medium, heavy

Question 34

types of dental dam frames

Answer 34

young frame (stainless steel, placed outside) otsby frame (plastic frame, placed outside) plastic u -shaped (plastic, placed under dam)

Question 35

what is the procedure for placing topical

Answer 35

1. palce ointment on cotton tip applicator 2. check area for contraindications 3. dry injection site 4. place cotton tip applicator with gel on site 5. remove applicator and do limited area rinse

Question 36

what is local infiltration

Answer 36

injecting into a small, isolated area

Question 37

what is field block

Answer 37

injection near a larger terminal nerve branch

Question 38

what is a nerve block

Answer 38

injected close to a main nerve trunk

Question 39

what is the minimum and maximum time to leave topical anesthetic

Answer 39

minimum 15-30 seconds max 1-2 minutes

Question 40

active ingredients in topical

Answer 40

lidocaine and benzocaine

Question 41

what are the nerves in the mand

Answer 41

long buccal nerve inferior alveolar nerve lingual nerve incisive

Question 42

what are the nerves in the max

Answer 42

anterior superior alveolar nerve middle superior alveolar nerve posterior superior alveolar nerve nasopalatine nerve greater palatine nerve