dental dam

Question 1

dental dam

Answer 1

thin stretchable material that acts as a barrier when placed properly on the teeth. keeps tooth protected from moisture

Question 2

At what time during an appointment, should a dental dam be placed

Answer 2

a few minutes after anesthetic by the assistant

Question 3

what are teeth outside of the dental dam called

Answer 3

exposed

Question 4

indications for dental dams

Answer 4

• controls moisture
• improves visibility with bright colour
• improves client management (less talking)
• provides barrier between patient and operator
• protects patient (swallowing debris)

Question 5

contradictions of a dental dam

Answer 5

• secondary herpes
• cracks or blisters on the vermillion border
  -respiratory congestion
• claustrophobic patient
• latex allergy

Question 6

sizes of use for dental dams

Answer 6

5x5 for primary dentition or permanent anterior

6x6 for permanent dentition

Question 7

dental dam napkin

Answer 7

disposable napkin that can be used between the patients face and the dam to pick up extra moisture for patient comfort

Question 8

what type of lube should NOT be used for dental dam placement

Answer 8

non petroleum products (vaseline)

Question 9

what thickness dental dam would you use for what procedure

Answer 9

thin: endodontics
medium: restorations
heavy: prosthodontics or crown and bridge procedures

Question 10

dental dam frame

Answer 10

stabilizes and stretches dam to fit tightly around the teeth and keeps it out of the way

Question 11

3 types of dental dam frames

Answer 11

• plastic U- shaped frame
• young frame
• ostby frame

Question 12

what type of lubricants should you use for dental dam placement

Answer 12

water soluble lubricant

Question 13

plastic U shaped frame

Answer 13

placed under the dam and is radiolucent

Question 14

young frame

Answer 14

stainless steel U shaped placed on outside of dam

Question 15

ostby frame

Answer 15

a round plastic frame, placed on outside of the dam

Question 16

dental dam punch

Answer 16

used to create holes in the dam to expose the teeth that need to isolated

Question 17

stylus

Answer 17

sharp area on the working end that makes the holes

Question 18

punch plate

Answer 18

area where stylus punches on to

is a rotary platform that has 5 or 6 different size holes related to size of tooth

Question 19

what does the whole size on the punch plate indicate (5)

Answer 19

1) mandibular anterior
2) maxillary anterior
3) premolar
4) molar
5) clamped tooth

Question 20

dental dam stamp and template

Answer 20

arms and inkpad used to mark the dam with predetermined markings for the average adult and child

note: only effective if the mouth is “perfect”

Question 21

dental dam forceps

Answer 21

used to place and remove the clamp

Question 22

rubber dam clamps

Answer 22

designed to hold the dam secure near the operative tooth

Question 23

what determines the rubber dam clamps used

Answer 23

size and shape of the tooth

Question 24

3 parts of a dental dam clamp

Answer 24

bow
jaws
winged clamps

Question 25

bow on a dental dam clamp

Answer 25

the rounded portion of the clamp that extends through the dam in the distal

Question 26

jaws on a dental dam clamp

Answer 26

encircle the tooth shaped into 4 prongs, all 4 prongs must be secure

Question 27

winged dental dam clamps

Answer 27

designed with extra extensions to help retain

Question 28

5 types of dental dam clamps

Answer 28

- subgingival clamps: partial eruption - wingless clamp - cervical clamp: anterior teeth - pediactric clamp: peds patients - winged clamp: extra support for right space

Question 29

two types of dental dam placement technique

Answer 29

one-step method two-step method

Question 30

one step method dental dam placement technique

Answer 30

dam and clamp placed at the same time

Question 31

two step method dental dam placement technique

Answer 31

clamp places first, then dental dam material is stretched over it

Question 32

3 dental dam accessories

Answer 32

stabilizing cords (aka wedjets) ligature dental dam napkins

Question 33

ligatures on clamps

Answer 33

dental floss must be attached to the bow of the clamp usually wrapped around the whole tooth

Question 34

why should the ligature wrap around the whole clamp

Answer 34

so if it snaps in half we can retrieve it or attempt to hold it together

Question 35

stabilizing cord

Answer 35

used as an alternative to to use of a second clamp available in 3 sizes (thicknesses) cord stretches between last anterior tooth to anchor

Question 36

how many inches from the top should the maxillary be punched

Answer 36

1 inch

Question 37

how many inches from the bottom should the mandibular be punched

Answer 37

2 inches from the bottom

Question 38

factors to consider when placing dental dam

Answer 38

- hole size - anterior minimum 3 teeth - posterior 1tooth - curve of arch (spacing, stretching, bunching)

Question 39

troubles with hole size and spacing on a dental dam

Answer 39

- too big: dam won’t fit, leakage occurs - too small: dam will be hard to get over teeth - too close: dam may stretch and tear leakage occurs - too far: bunching occurs, block vision or block instrumentation