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)
Loading flashcards...
1
Q

What is the narrowest part of the preparation?

A

the isthmus

2
Q

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

A

the Cavo-Surface

3
Q

What is a line angle?

A

the line between any 2 walls or floors

4
Q

What is a point angle?

A

the point between any 3 walls or floors

5
Q

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

A

Class I

6
Q

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

A

Class I

7
Q

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

A

Class I

8
Q

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

A

All! posteriors and anteriors

9
Q

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

A

Class II

10
Q

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

A

Class III

11
Q

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

A

Class IV

12
Q

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

A

Class V

13
Q

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

A

Class VI

14
Q

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

A

RED! 300-400K RPMs

15
Q

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

A

Green….30K RPMs

16
Q

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

A

Latch type and friction grip

17
Q

What is the diameter of the explorer?

A

0.5 mm

18
Q

Perio probes come in either ___mm increments or ___mm increments

A

1mm or 3mm

19
Q

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

A

10…#15

20
Q

How many mm wide is a #12 hoe?

A

1.2 mm

21
Q

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

A

Hatchets=mandibular…..hoes=maxillary

22
Q

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

A

flat….beveled

23
Q

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

A

14L DeMeo Carver

24
Q

What are spoons for?

A

removing decay

25
Q

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?

A

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

26
Q

What are the coated composite instruments called?

A

XTS instruments

27
Q

What do we use for gold and amalgam bands?

A

burnishers!

28
Q

What are the 4 types of burnishers?

A
  1. Ball 2.egg 3.Beavertail 4.Acorn
29
Q

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

A

tungsten….steel…clockwise

30
Q

Diamond burs are diamond particles baked into a ______ substrate.

A

nickel

31
Q

Which bur do we use with ceramics?

A

diamond

32
Q

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

A

ROUND

33
Q

These are ______ burs….33, 33.5…34

A

Inverted Cone

34
Q

These are _____ burs…379

A

Egg

35
Q

These are ______ burs…135

A

Needle

36
Q

These are ______ burs…56,57

A

Straight

37
Q

These are ______burs…330,244,245

A

Pear

38
Q

These are ______ burs….169

A

Tapered

39
Q

These are ______ burs…956

A

end-cutting

40
Q

These are ______ burs…856

A

Tapered Chamfer

41
Q

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

A

smoother

42
Q

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

A

247