Lec 3 - Instrumentation Flashcards Preview

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Flashcards in Lec 3 - Instrumentation Deck (34):
1

Used to cut, plane and cleave tooth structure

hand instruments

2

Burs, diamonds and drills

rotary instruments

3

amalgam restorations require blank walls

convergent/parallel

4

indirect restorations like gold ceramic and resin need these walls

divergent

5

type of hand instrument classification system at buffalo

internal

6

Instruments used to cut and shape tooth structure and includes hatchets, hoes, chisels and spoon excavators (caries removal)

A series

7

Instruments used for the placement of restorative materials, including amalgam condensers and plastic instruments (not made of plastic but used to manipulate plastic materials)

B series

8

Instruments used to shape and finish restorative materials Hollenback carvers, cleoid discoids and various other carvers

C series

9

hand instrument classification system based on size and configuration of instruments

black's

10

primary cutting edge of instrument can be blank or blank and is on the end of the instrument

monobeveled, bibeveled

11

three parts of hand instrument

blade, shank, handle

12

first digit of blacks three number formula

width of the blade in tenths of a millimeter

13

second digit of blacks three number formula

length of the blade in millimeters

14

third digit of blacks three number formula

angle of long axis of blade with the handle in degrees centigrade

15

centigrade takes a 360 degree circle and turns it into blank

100 degrees

16

first digit of blacks three number formula

width of the blade in tenths of a millimeter

17

second digit of blacks four number formula

Angle of the cutting edge of the blade with the handle in degrees centigrade

18

third digit of blacks four number formula

Length of the blade in millimeters

19

fourth digit of blacks four number formula

Angle of the long axis of the blade with the handle in degrees centigrade

20

burs are better at blank cutting than blank cutting

side, end

21

burs cut in this direction

counterclockwise

22

two parts of burs

head, shaft

23

two most used burs for operative

pear shaped 330, long inverted cone 245

24

bur with parallel sides and multipurpose cavity prep

straight fissure

25

same basic form of straight fissure burs but has added blades to improve cutting efficiency

cross cut straight fissure

26

numbering of cross cut straight fissure burs

556-560

27

these burs are for developing retentive features and sides converge toward shank

inverted cone burs

28

numbering of inverted cone burs

33.5-40

29

burs that have sides converging toward end of bur for developing tapered walls

tapered fissure burs

30

numbering of tapered fissure burs

168-171

31

burs used to develop retentive features and remove caries

round burs

32

numbering of round burs

1/16 - 11

33

round burs are used in this handpiece

slow speed

34

burs with a metal blank with particles added for cutting

diamond