Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

My Operative Dentistry > Hand Instrument > Flashcards

Hand Instrument Flashcards

1
Q

Classification based on their usage?

A
  1. Exploratory instrument
  2. Cutting instrument
  3. Non- cutting restorative instrument
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Exploratory instrument?

A
  1. Mouth mirror
  2. Explorer
  3. Probes
  4. Tweezers
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Uses of mouth mirror?

A
  1. Indirect vision
  2. Retraction of the cheek
  3. Transillumination
  4. Tissue protection : guards the tongue and cheeks against accidental injury from rotary operating instrument like the bur.
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Types of mirror

A
  1. i. Front surface mirror : the coating is present on the front surface of the mirror. (Prevent distortion)
    ii. Back surface mirror : the coating is present on the back side of the mirror.
  2. i. Plane mirror
    ii. Concave surface
  3. i. One sided mirror
    ii. Twin sided mirror
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Parts of explorer?

A
  1. Handle
  2. Shank
  3. Explorer tip
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Types of explorer?

A
  1. Straight explorer
  2. Arch explorer ( Shepherd’s hook) :semicircle with exploring tip at a right angle to the handle
  3. Cow horn or pigtail explorer : smaller semicircle than arch explorer
  4. Interproximal explorer : it has two or more angles
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Interproximal explorer tip is used for?

A
  1. Detecting proximal carious lesion
  2. Assessing marginal fit of restoration
  3. Removing excess restorative material
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Use of probes?

A
  • to determine the dimension and features of preparation and restoration
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Types of probes ?

A
  1. Williams probe
  2. PCP Probe (marquis marking )
  3. PSR Probe ( periodontal screening and recording probe)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Dental tweezer is also known as?

A

Dressing plier

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Uses of tweezer?

A
  1. Grasping or transferring material in and out of the oral cavity
  2. Placing and removing cotton rolls for isolation of the cavity
  3. Placing cotton pellets for drying the cavity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Cutting instrument?

A
  1. Excavator
  2. Chisel
  3. Enamel hatchet
  4. Gingival marginal trimmer
  5. Enamel hoe
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Use of spoon excavator?

A
  1. Used for removing carious dentin

2. for carving amalgam or direct wax pattern

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Types of spoon excavator?

A
  1. Discoid spoon excavator

2. Cleoid spoon excavator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Types of chisel?

A
  1. Straight chisel
  2. Monangle chisel
  3. Bin angle chisel
  4. Triple angle chisel
  5. Wedelstaedt chisel
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Straight chisel?

A
  1. Has a straight shank and blade with the bevel on only one side
  2. Primary cutting edge of a chisel is perpendicular to the axis of the handle
  3. Used with straight thrust force, push motion
  4. Primary used for cutting enamel.
17
Q

Enamel hatchet?

A
  • single planed paired instrument ( right and left types)
  • it can be binangle, triple angled or parallel with the shaft
  • single planed and are used with push/pull vertical movement
18
Q

Uses of enamel hatchet?

A

Used to cut or cleave undermined enamel in proximal cavities and on buccal or lingual walls.

19
Q

Gingival margin trimmer?

A
  • this is a paired double planed instrument
  • Gingival margin trimmer is similar in design to enamel hatchet, except that the blade is curved, and the bevel for the cutting edge at the end of the blade is always on the outside of the curve with the face of the instrument being on the inside of the curve.
20
Q

Types of gingival margin trimmer?

A
  1. Mesial gingival margin trimmer

2. Distal gingival margin trimmer

21
Q

Gingival margin trimmer are designed to produced ?

A
  • proper bevel on gingival enamel margins of proximoocclusal preparation
  • roundening or bevelling of the axiopulpal line angle
22
Q

How gingival margin trimmer is used?

A

In a lateral scrapping motion

23
Q

Used of enamel hoe?

A
  • smoothening of enamel wall

- class III gold restoration

My Operative Dentistry (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions