quiz #2 instruments

Question 1

What is periodontal debridement?

Answer 1

removal of bacteria plaque endotoxins and hard calculus from teeth

Question 2

What is the goal of periodontal debridement?

Answer 2

prevent/stop infection + restore oral soft tissues health

Question 3

What is the purpose of the modified pen grip? Explain.

Answer 3

good fingertip tactile sensitivity + precise instrument control

Question 4

What instrument do you use the modified pen grip?

Answer 4

hand scalers (not morse) + probe and explorer

Question 5

What are the 3 parts of the handle? Describe each.

Answer 5

Handle Shank Working end

Question 6

Describe the sickle scaler.

Answer 6

angled cutting edge of scaler to scrape tartar and plaque off tooth

Question 7

What are the uses for the sickle scaler? Towards or away from the gum line?

Answer 7

scrape tartar and plaque off tooth
away from gumline

Question 8

Describe the morse scaler.

Answer 8

smaller held pencil grip

Question 9

When would you use the morse scaler?

Answer 9

used straight onto tooth to clean ridges

Question 10

Describe curettes.

Answer 10

have u shaped cross section with 1 or 2 cutting edges and a round toe

Question 11

When do you use a curette?

Answer 11

removal of subgingival calculus from the sulcus + root planing

Question 12

How can you tell the difference between a curette and sickle scaler?

Answer 12

curette has rounded edge that can go under the gingiva without causing harm

Question 13

What are the 2 types of curettes? Which is used most in vet med?

Answer 13

Gracey and Universal **

Question 14

Describe the periodontal probe.

Answer 14

no sharp edges used to measure depth gingival sulcus

Question 15

How do you use the periodontal probe?

Answer 15

insert probe between gingiva and tooth root surface parallel to long axis of tooth. walk probe along circumference of each tooth in at least 4 directions

Question 16

What are normal sulcus depths for dogs? Cats?

Answer 16

dog - 1-3 mm
cat - 0.5 -1mm

Question 17

Describe the shepherd’s hook/explorer.

Answer 17

sharp tip only

Question 18

How do you use the shepherd’s hook?

Answer 18

assess tooth motility detect calculus expose pulp chamber

Question 19

What does the shepherd’s hook help you to feel?

Answer 19

abraisons + attrition

Question 20

What is furcation?

Answer 20

where roots of multi rooted teeth meet and branch off

Question 21

stage 1 furcation

Answer 21

furcation exposure with small amount of alveolar crest loss

Question 22

What is the tooth mobility scoring index?

Answer 22

rating mobility of a tooth

Question 23

Stage 0 mobility scoring

Answer 23

physiologic mobility up to 0.2mm

Question 24

Describe elevators.

Answer 24

used to break the periodontal ligament in the aid for tooth extraction

Question 25

Describe periosteal elevators.

Answer 25

used to elevate and reflect gingival mucogingival and palatal flaps

Question 26

When do you use extraction forceps?

Answer 26

used for tooth removal once tooth has been loosened and removal of heavy calculus

Question 27

How are calculus removing forceps different than extraction forceps?

Answer 27

have a hooked appearance to one of the jaws; more effective for removing calculus

Question 28

What are the 2 types of power scalers?

Answer 28

ultrasonic and sonic

Question 29

What does the ultrasonic scaler remove?

Answer 29

flushing of bacteria

Question 30

How long can the ultrasonic scaler stay on a tooth?

Answer 30

10-15 seconds

Question 31

What are the types of ultrasonic tips? Which can go under the gums?

Answer 31

Beaver tail pencil tip under piezo tips under

Question 32

What happens to the enamel if the tips are left on the tooth too long?

Answer 32

heat builds up and pitting of the enamel with possible pulp damage

Question 33

Describe air driven units.

Answer 33

come with low-speed handpiece (polishing) high speed hand piece (drill) scaling unit (piezo or sonic) and 3-way air/water syringe. Uses air compressor

Question 34

stage 1 mobility

Answer 34

mobility increased any direction other than axial over a distance of more than 0.2mm up to 0.5mm

Question 35

stage 2 mobility

Answer 35

mobility increased in any direction other than axial over a distance of more than 0.5mm up to 1.0mm

Question 36

stage 3 mobility;

Answer 36

mobility increased any direction other than axial over a distance of more than 1.0mm or any axial movement

Question 37

stage 2 furcation

Answer 37

1/2 furcation / alveolar bone lost

Question 38

stage 3 furcation

Answer 38

alveolar crest is completely lost furcation fully exposed

Question 39

abraisons

Answer 39

wear from aggresive chewing on external objects such as toys and rocks

Question 40

attrition

Answer 40

assosciated with tooth to tooth contact over time