Hand Scaling - PERIO Flashcards

1
Q

what instrument is a double-ended point scaler with two cutting edges on each blade?

A

mini-sickle

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2
Q

what area of the mouth does the mini-sickle scale?

A
  • ANYWHERE in mouth
  • supra-gingivally
  • buccal and lingual embrasures
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3
Q

what is unique about universal curettes?

A

it has a curved spoon shaped blade & two cutting edges which meet to form a rounded toe

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4
Q

where in the mouth does the Columbia Curette scale?

A
  • anywhere
  • sub-gingival
  • (limited access to deep pockets)
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5
Q

where does the Gracey Curette 1-2 scale?

A
  • sub-gingival

- upper & lower anterior teeth

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6
Q

what colour is the Gracey Curette 1-2?

A

grey

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7
Q

where does the Gracey 7-8 scale?

A
  • sub-gingival
  • buccal/lingual surfaces
  • posterior teeth!
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8
Q

what colour is the Gracey 7-8?

A

green

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9
Q

where does the Gracey 11-12 scale?

A
  • sub-gingivally
  • mesial surfaces
  • posterior teeth!
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10
Q

what colour is the Gracey 11-12?

A

orange

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11
Q

where does the Gracey 13-14 scale?

A
  • sub-gingival
  • distal surfaces
  • posterior teeth!
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12
Q

what colour is the Gracey 13-14?

A

blue

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13
Q

how many cutting edges does a Gracey Curette have?

A

one

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14
Q

what colour is the mini sickle?

A

red

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15
Q

what colour is the Columbia Curette?

A

red

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16
Q

where does the Hoe Scaler 134-135 scale?

A
  • supra and sub-gingival
  • buccal and lingual surfaces
  • anywhere
17
Q

what colour is the Hoe Scaler 134-135?

A

yellow

18
Q

where does the Hoe Scaler 156-157 scale?

A
  • supra and sub-gingival
  • mesial and distal surfaces
  • anywhere!
19
Q

what colour is the Hoe Scaler 156-157?

A

red

20
Q

explain the blade angulation of the hoe in relation to the shank and cutting edge:

A
  • blade is set at a 100 degree angle to the shank

- the cutting edge is bevelled at 45 degrees

21
Q

what is the cutting angle for the hoe?

A

90 degrees to the tooth surface

22
Q

what is the blade angulation of the Gracey Curettes between the shank and blade?

A

angle of 110 degrees between the lower shank and the face of the blade

23
Q

what type of blade are the Gracey Curettes? what does this mean?

A

Offset blades

- face of blade is offset at an angle to the lower shank

24
Q

what is the cutting angle for Gracey Curettes?

A

70 degrees

25
Q

how can the mini-sickle be described in cross section?

A

triangular in cross section

26
Q

how can the Columbia curette be described in cross section?

A

semi-circular in cross section

27
Q

describe the shape of the columbia curette?

A
  • curved spoon shaped blade

- 2 cutting edges that meet to form a rounded toe