Module 1 - Basic Skills

Front 1

The common degree angles that are used as reference points in instrumentation

Back 1

- 90 & 45

Front 2

the cutting edge of an instrument meets the tooth surface at an angle that is greater than _____ and less than ______

Back 2

- 45
- 90

Front 3

right angle is another term for

Back 3

90 degree angle

Front 4

True or False:
For effective calculus removal, it is important to establish the correct angulation between the instrument face and the tooth surface.

Back 4

True

Front 5

The correct angulation for calculus removal is

Back 5

an angle that is greater than 45 degrees and less than 90 degrees

Front 6

The three line orientations associated with instrumentaion strokes are

Back 6

- vertical
- oblique
- horizontal

Front 7

Horizontal instrumentation strokes are also referred to as

Back 7

circumferential strokes

Front 8

If a stroke is referred to as circumferential it is because

Back 8

these strokes are made around the circumference of the tooth

Front 9

A __________ is exposed by cutting through an object, usually at right angles to its longest dimension

Back 9

cross section

Front 10

A typical lead pencil is an example of a

Back 10

hexagonal cross section

Front 11

the working end of certain perodontal instruments are triangular and would have a _____________

Back 11

triangular cross section

Front 12

An instrument that has a semi-circular end would have a _________

Back 12

semi-circular cross section

Front 13

a unit of length equal to one thousandth of a meter is the

Back 13

millimeter

Front 14

millimeter also equals _____ inch

Back 14

0.0394

Front 15

Tha anatomic features of the teeth are often measured in

Back 15

millimeters

Front 16

Shank position refers to

Back 16

the shank of a periodontal instrument that is positioned parallel to the long axis of the tooth

Front 17

True or False:
Shank position will always run parallel to the long axis of the tooth.

Back 17

True

Front 18

The __________ measures the periodontal pockets.

Back 18

Periodontal probe

Front 19

the periodontal probe is marked in

Back 19

millimeters

Front 20

Periodontal pockets are _____ mm or greater in depth

Back 20

4

Front 21

the ________ is an imaginary line that passes through the center of the tooth and divides the tooth symmetrically.

Back 21

long axis

Front 22

The _______ is used as a reference point when selecting the correct working-end of a periodontal instrumnet

Back 22

Long axis

Front 23

_______ direction, means the working end of an instrument moves toward the tooth apex

Back 23

apical

Front 24

_____ direction, means that the working end of the instrument moves toward the crown

Back 24

coronal

Front 25

When removing calculus with a hand instrument, the cutting edge is placed _______ to the calculus deposit and the instrumentation stroke is made in a ________ direction

Back 25

- apical
- coronal

Front 26

The crown of an anterior tooth can be divided in half by an imaginary line called the

Back 26

midline

Front 27

the crown of a posterior tooth can be divided into surfaces at an imaginary lines called

Back 27

line angles

Front 28

Instrumentation of an anterior tooth is initiated (started) at the _______ of the tooth

Back 28

midline

Front 29

Each tooth has ____ line angles

Back 29

4

Front 30

The 4 line angles of a tooth are:

Back 30

- mesiofacial line angle
- distofacial line angle
- mesiolingual line angle
- distolingual line angle

Front 31

Instrumentation of a posterior tooth often is initiated at the ________ or _________ line angle of the tooth

Back 31

- distofacial
- distolingual

Front 32

A tooth, sextant, quadrant, or dental arch, may be divided into two _______

Back 32

aspects

Front 33

The two aspects are:

Back 33

- facial aspect
- lingual aspect

Front 34

the facial aspect of a tooth is subdivided into ______ areas

Back 34

3

Front 35

The 3 subdivisions of the facial aspect are:

Back 35

- distofacial area
- facial surface
- mesiofacial area

Front 36

The lingual aspect of the tooth is subdivided into ___ areas

Back 36

3

Front 37

The 3 subdivisions of the lingual apsect are:

Back 37

- distolingual area
- lingual area
- mesiolingual area

Front 38

for purpose of identification, the dentition may be divided into ____ areas

Back 38

6

Front 39

each of the 6 areas are referred to as

Back 39

sextants

Front 40

There are ___ anterior sextants and ___ posterior sextants

Back 40

- 2
- 4

Front 41

the six sextants are

Back 41

- 1 - maxillary right posterior sextant
- 2 - maxillary anterior sextant
- 3 - maxillary left posterior sextant
- 4 - mandibular left posterior sextant
- 5 - mandibular anterior sextant
- 6 - mandibular right posterior sextant