pics

Question 1

Answer 1

lab putty
coltene whaledent

Question 2

Answer 2

for provisional crowns
versa-temp: sultan…bis GMA composite

Question 3

Answer 3

stiff robinson brush

Question 4

Answer 4

9 preparation

Margins= 0.5 mm
Lingual= 1.0
occlusal reduction= 2.0

Question 5

Answer 5

9 reduction

shoulder margin= 1.0
Facial reduction= 1.5
Occlusal convergence= 6-16

Question 6

Answer 6

30 crown prep

occlusal reduction= 1.5
chamffer margin= 0.5
margin location= 0.5
buccal/lingual reduction= 1.0

occlusal convergence= 6-16

Question 7

Answer 7

taper: inc in diameter per mm

Question 8

ISO color coding

Answer 8

what you really blue gets better

15-60 of 5 mm
60-150 of 1 mm

Question 9

Answer 9

reamer

file

hedstrom

Question 10

Answer 10

• *reamer**
• taper/pointed/spiral cutting
• used to enlare root canals by rotary action
• process of sizing & finishing already drilled hole
• clockwise

Question 11

Answer 11

file
tapered/pointed
-spiral w/ cutting edges
-used to enlarge the root canal by rotation/filing

Question 12

Answer 12

• *k-file**
• square shaped blank (90)
• rasping/filing motion
• rhombus blank—2 acute angles (sharpness/cutting)
• –2 obtuse angles (space for debris removal)

-greater flexibility

Question 13

Answer 13

flex-r file

• non cutting tip, reducing (ledge formation & canal transportation)
• triangular cross section—provides flex in curve canals
• cut during counter clockwise rotation

Question 14

Answer 14

hedstrom file (h-file)

• spiral edges as buttress threaded screw
• cutting on pull stroke
• used to remove old root fillings, and to plane canal walls
• poor fracture resistance on rotation

Question 15

Answer 15

broach

taperes & pointed—thin/flexible/fragile
-sharp projections curving backward & obliquely

-used for removal of pulp tissue & for removing cotton wool dressing pellets

Question 16

Answer 16

• *spreader**
• tapered metal instrument used to compress filling material against the sides of the cnal to make room for additional gutta percha cones

Question 17

Answer 17

2 bands= 4% = 0.04 taper

Question 18

Answer 18

3 bands= 6%= 0.6 taper

Question 19

Answer 19

normal

hypotaurodont

mesotaurodont

hypertaurodont

Question 20

Answer 20

Question 21

Answer 21

class 1 2 3 4

I , Y, II, upside down Y

Question 22

Answer 22

mandibular central & lateral incisors

Question 23

Answer 23

mandibular canine

Question 24

Answer 24

mandibular 1st premolar

Question 25

Answer 25

mandibular 2nd premolar

Question 26

Answer 26

mandibular 1st molar

Question 27

Answer 27

mandibular 2nd molar

Question 28

Answer 28

maxillary anterior

1 root/type 1 canal

Question 29

Answer 29

maxillary 1st premolar

Question 30

1-mandibular anteriors

2-maxillary central

3-maxillary lateral

4-maxillary canines

5-mandibular premolars

6-maxillary premolar

7-mandibular molars

8-maxillary molars

Answer 30

1-ovals

2-triangular

3-ovoid

4-oval

5-oval

6-oval

7-trapezoidal

8-triangular

Question 31

Answer 31

23 UNC 12 explorer/probe

Question 32

Answer 32

EXDG167 exporer

-locate orifices & remove calcification w/in pulp chamber

Question 33

Answer 33

5/7 plugger RCP5

canal plugger

Question 34

Answer 34

9/11 root canal plugger —compacts gutta percha during warm vertical condensation

Question 35

Answer 35

hu-friendly plastic filling instrument

-used for contouring & condensation of temporary materials

Question 36

Answer 36

24 cement spatula

• flexible
• mixing materials

Question 37

Answer 37

33L Endo excavator

-long shanked spoon excavator tip ideal to reach into pulp chamber to remove hard & soft tissue

Question 38

Answer 38

31L DE Endo excavator

-features & extended shank for easy access & dentin removal

Question 39

Answer 39

3 mosquito hemostat (straight)

Question 40

Answer 40

18 iris scissors

Question 41

Answer 41

18 dressing pliers

Question 42

Answer 42

obtura III

Question 43

Answer 43

system B pluggers