Exam 2: Burs, Classes, instruments, rando Flashcards Preview

Operative Dentistry! > Exam 2: Burs, Classes, instruments, rando > Flashcards

Flashcards in Exam 2: Burs, Classes, instruments, rando Deck (42):
1

What is the narrowest part of the preparation?

the isthmus

2

What is the junction between the unprepared tooth and the prepped tooth?

the Cavo-Surface

3

What is a line angle?

the line between any 2 walls or floors

4

What is a point angle?

the point between any 3 walls or floors

5

Cavity Prep Class: Pits and fissures of occlusal surfaces of posterior teeth (premolars and molars)

Class I

6

Cavity Prep Class: Pits in the occlusal 2/3 of facial and lingual surfaces of molars

Class I

7

Cavity Prep Class: Lingual pits of maxillary incisors In the top 2/3 of tooth

Class I

8

Cavity Prep Class: Which teeth can have a Class I prep?

All! posteriors and anteriors

9

Cavity Prep Class: Smooth proximal surfaces of posterior teeth (premolars and molars)

Class II

10

Cavity Prep Class: Smooth proximal surfaces of anterior teeth (incisors and canines)

Class III

11

Cavity Prep Class: Smooth proximal surfaces of anterior teeth (incisors and canines) which involve the incisal edge as well

Class IV

12

Cavity Prep Class: Smooth surfaces of all teeth in gingival 1/3 of facial and lingual surfaces

Class V

13

Cavity Prep Class: Incisal edges of anterior teeth and occlusal cusp tips of posterior teeth

Class VI

14

What color is the High Speed handpiece? What is the max RPM range?

RED! 300-400K RPMs

15

What color is the Slow speed hand piece? What is the max RPM range?

Green....30K RPMs

16

What are the two types of heads for the slow speed?

Latch type and friction grip

17

What is the diameter of the explorer?

0.5 mm

18

Perio probes come in either ___mm increments or ___mm increments

1mm or 3mm

19

The #__ hatchet has a 1mm width. The #__ has a 1.5 mm width.

#10...#15

20

How many mm wide is a #12 hoe?

1.2 mm

21

Hatchets are for ________ teeth. Hoes are for ______ teeth.

Hatchets=mandibular.....hoes=maxillary

22

On a hoe, the _____ end touches the tooth and the _______ end faces the inside of the preparation.

flat....beveled

23

What is the prime example of a margin trimmer that helps trim away excess material from the gingival margin?

14L DeMeo Carver

24

What are spoons for?

removing decay

25

What is the instrument that if Dr. Huang would choose if he was stranded on an island and could only have 1 instrument? What are its 4 functions?

The plastic filling instrument....1.Composite 2.Amalgam 3.Retraction 4.Separating Teeth

26

What are the coated composite instruments called?

XTS instruments

27

What do we use for gold and amalgam bands?

burnishers!

28

What are the 4 types of burnishers?

1. Ball 2.egg 3.Beavertail 4.Acorn

29

A carbide bur is made of ______ carbide added to ______. Which way does a carbide cut.

tungsten....steel...clockwise

30

Diamond burs are diamond particles baked into a ______ substrate.

nickel

31

Which bur do we use with ceramics?

diamond

32

These are ______ burs....1/4,1/2,1,2,4,6,8

ROUND

33

These are ______ burs....33, 33.5...34

Inverted Cone

34

These are _____ burs...379

Egg

35

These are ______ burs...135

Needle

36

These are ______ burs...56,57

Straight

37

These are ______burs...330,244,245

Pear

38

These are ______ burs....169

Tapered

39

These are ______ burs...956

end-cutting

40

These are ______ burs...856

Tapered Chamfer

41

The more flutes on your carbide, the ______ the cutting.

smoother

42

What # bur is an example of a rounded edge bur?

247