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Patient Care III > Periodontal Instrumentation & Seating (FINAL REVIEW) > Flashcards

Periodontal Instrumentation & Seating (FINAL REVIEW) Flashcards

1
Q

Seating position for surfaces toward:

A

8-9:00

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2
Q

Seating position for surfaces away:

A

11-12:00

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3
Q

What is the seating position exception?

A

maxillary anterior facial may be completely done at 11-12:00

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4
Q

Anterior sickle scaler should only be used:

A

supragingivally

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5
Q

How should the anterior sickle scaler shanks/handle be held?

A

parallel to long axis of the tooth

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6
Q

Describe the stroke used with an anterior sickle scaler:

A

short and overlapping strokes

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7
Q

Where should you begin on the tooth when using an anterior sickle scaler?

A

begin at midline and into interproximal

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8
Q

Describe the instrument design for an anterior sickle scaler:

A
  • straight, rigid shank
  • 2 cutting edges on each working-end
  • pointed tip (hence “sickle”)
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9
Q

The anterior sickle scaler tip is ___ in cross section

A

triangular

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10
Q

What portion of the anterior sickle scaler is used for calculus removal?

A

terminal 1/3

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11
Q

When adapting the anterior sickle scaler, the shank and handle should be:

A

parallel to the long axis of the tooth

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12
Q

What is the proper angulation (cutting-edge against the tooth) for anterior sickle scalers?

A

45-90 degrees

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13
Q

Overangulation of an anterior sickle scaler (greater than 90 degrees) will result in:

A

burnished calculus and/or tissue laceration

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14
Q

Underangulation of an anterior sickle scaler (less than 45 degrees) will result in:

A

burnished calculus

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15
Q

Light grasp, minimal pressure stroke (similar to perio explorer) - when using an anterior sickle scaler is called:

A

exploratory stroke

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16
Q

When using an anterior sickle scaler, the act of tightening the grasp and applying lateral pressure to the tooth on the coronal stroke:

A

working stroke

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17
Q

What is the difference in design between the anterior and posterior sickle scaler?

A

posterior sickle scaler has a complex shank (additional bend)

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18
Q

Where can a posterior sickle scaler be used?

A

posterior teeth, supra gingival interproximal areas only (may go SLIGHT subG)

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19
Q

How should the terminal shanks be held of a posterior sickle scaler?

A

parallel to long axis of tooth

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20
Q

Describes the strokes used with a posterior sickle scaler:

A

short and overlapping strokes

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21
Q

Where should you begin on the tooth when using a posterior sickle scaler?

A

begin at line angle and work interproximal (NO BUCCAL OR LINGUAL SURFACE)

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22
Q

What is the purpose of a periodontal explorer?

A

detection of sub gingival calculus

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23
Q

Describe the working strokes of a periodontal explorer:

A

short, walking, overlapping strokes

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24
Q

The terminal shank of the periodontal explorer should be:

A

held parallel to the long axis of the tooth

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25
Q

Where on an anterior tooth should you begin when using a periodontal explorer?

A

midline

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26
Q

When using a periodontal explorer-

In anterior teeth, ____ is parallel to the long axis of the tooth

In posterior teeth, ____ is held parallel to the long axis of the tooth

A

handle

terminal shank

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27
Q

In what situation would you FLIP a periodontal explorer?

A

Anterior teeth

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28
Q

In what situation would you OFFSET a periodontal explorer?

A

Posterior teeth

29
Q

Where on a posterior tooth should you begin when using a periodontal explorer?

A

Start at distal line angle and work interproximal

30
Q

Describe the instrument design of a universal curette:

A
  • 2 cutting edges
  • rounded toe
31
Q

What is the cross section shape of a universal curette?

A

pacman shape

32
Q

Where can universal currents be used?

A

all surfaces of all teeth (supra & sub gingival)

33
Q

Give examples of universal curettes:

A

Columbia 13/14
Mcalls 17/18
4R/4L

34
Q

The 4R/4L universal curette is used for:

A

deep pockets

35
Q

The Columbia 13/14 and Mcall’s 17/18 are used on:

A

shallow pockets

36
Q

How can you be sure the correct working end is being utilized when using a universal curette?

A

terminal shank is parallel to long axis of the tooth (when inserted inter proximally)

37
Q

The ideal instrument stroke for a universal curette:

A

oblique and overlapping

38
Q

When using a universal curette on anterior teeth where do you begin?

A

begin at midline and scale into interproximal space

39
Q

What is parallel to the long axis of the tooth when using a universal curette on anterior teeth?

40
Q

When using a universal curette on posterior teeth, what is parallel to the long axis of the tooth?

A

terminal shank

41
Q

In the anterior region, a universal curette should be:

42
Q

In the posterior region, a universal curette should be:

43
Q

Describe the instrument design for an area-specific curette:

A
  • one cutting edge
  • rounded toe
  • straight & complex shanks
44
Q

What should an area specific curette be used for?

A

deep perio pockets due to their ability to adapt to root anatomy

45
Q

What instrument should be used for subgingival debridement with pockets greater than 5 mm?

A

area-specific curette

46
Q

What instruments have a face?

A

area-specific curettes

47
Q

In a gracey curette, the face is tilted ____ relative to the terminal shank

A

70 degrees

48
Q

The gracey 1/2 is used on ____ surfaces of ____ teeth

A

all surfaces; anterior teeth

49
Q

The gracey 11/12 is used on ___ surfaces of ____ teeth

A

facial, lingual & mesial surfaces; posterior teeth

50
Q

The gracey 13/14 is used on ____ surfaces of ____ teeth

A

distal surfaces of posterior teeth

51
Q

For the gracey 11/12 and 13/14, the ____ is parallel to the long axis of the tooth

A

terminal shank

52
Q

For gracey 1/2, the ____ should be held parallel to the long axis of the tooth

53
Q

What type of shank design is seen with a gracey 1/2?

54
Q

Where do you begin on the tooth when using a gracey 1/2?

A

begin at midline and scale to interproximal (THEN FLIP)

55
Q

The gracey 11/12 and 13/14 are known as:

A

complimentary instruments

56
Q

The part of the shank that allows for the working end to be adapted to the tooth surface; begins below the working end and extends to the last bend in the shank, nearest the handle

A

functional shank

57
Q

The portion of the functional shank nearest to the working end:

A

terminal shank

58
Q

The function of the instrument is primarily determined by:

A

the working-end design

59
Q

Important for maintaining contact of working end and tooth structure during instrumentation:

A

adaptation

60
Q

Important for efficient plaque and calculus removal:

A

activation

61
Q

refers to the angle between the face of a bladed instrument and the tooth surface:

A

angulation

62
Q

Probing inaccuracy is related to:

A
  1. probe design
  2. pressure applied
  3. contour of tooth
63
Q

base of pocket to gingival margin:

A

Probing Depth (PD)

64
Q

CEJ to base of pocket:

A

attachement level

65
Q

CEJ to gingival margin (GM)

66
Q

If the measurement for the gingival margin is positive:

A

recession is present

67
Q

If the measurement of the gingival margin is negative:

A

The gingival margin is coronal to the CEJ (No recession)

68
Q

Calculate attachment loss given the following measurements:

PD= 5 mm
GM= -3 mm

A

CAL = 2 mm

5 + (-3) = 2mm

Patient Care III (16 decks)

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