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Operative: lecture > Reading > Flashcards

Reading Flashcards

1
Q

Goals of operating field isloation

A
  • Moisture control
  • Rectraction
  • Harm prevention
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2
Q

-Excluding sucular fluid, Saliva, and gingival bleeding from the operating field

A

Moisture Control

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3
Q

Recommended technique for moisture control

A

Rubber Dam

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4
Q

Provides maximal exposure of the operating site

A

Retraction and access

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5
Q

Advantages of Rubber dam isolation

A
  • Dry, clean operating field
  • Improved access and visibility
  • Improved properties of dental materials
  • Protection of patient and operator
  • Operating efficiency
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6
Q

Disadvantages of rubber dam isolation

A
  • Time consumption- even though less than 5 minutes

- Patient objection

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7
Q
  • Teeth haven’t erupted enough
  • Tooth is very malpositioned
  • Latex allergy
  • Some 3rd molars
  • Patient struggles with breathing through nose
A

Why you can’t use a rubber dam

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8
Q

Play a role in eliminating the discomfort of dental treatment and controlling moisture by reducing salivary flow

A

Local Anesthesia

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9
Q

When is use of a rubber dam strongly recommended?

A

When excavating deep caries lesion and risking pulpal exposure to prevent pulpal contamination

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10
Q

Rubber dam protects

A

The patient and the operator

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11
Q
  • Low tear strength
  • 5x5 or 6x6 in size; thin, medium, heavy, and extra heavy
  • Darker colors preferred for contrast (dull side facing occlusal)
  • Thicker dam used for class V lesions with cervical retainer
  • Thinner used when contacts are tight
A

Material of dental dam

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12
Q

Maintains border of dam in position

A

Frame

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13
Q

U-shaped metal frame with small metal projections for securing borders

A

Young holder

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14
Q

4 prongs and 2 jaws connected by a bow

A

Retainer

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15
Q

Where does the retainer anchor the dam?

A

The most posterior tooth to be isolated

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16
Q

Retracts gingival tissue

A

Retainer

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17
Q

Where should the retainer contact the tooth

A

In it’s 4 line angles (to prevent rocking and tilting)

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18
Q

The jaws of the retainer should not extend beyond

A

The mesial and distal line angles

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19
Q

Has anterior and lateral wings

A

Winged retain

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20
Q
  • Interfere with matrix and wedge placement
  • More likely to have gingival trauma
  • Harder to get complete seal around anchor tooth
A

If jaw extends beyond mesial and distal line angles

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21
Q

Most molar anchor teeth

A

W56

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22
Q

Mandibular molar anchor teeth

A

W7

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23
Q

Maxillary molar anchor teeth

A

W8e

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24
Q

Most premolar anchor teeth

A

W4

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25
Q

Small premolar anchor teeth

A

W2

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26
Q

Terminal mandibular molar anchor teeth requiring preparation involving the distal surface

A

W27

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27
Q

Provide extra retraction of rubber dam from operating field and allow attachment to retainer before conveying retainer to anchor tooth1

A

Winged retainer

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28
Q

Can be cut away on retainer if not wanted

A

Anterior wings

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29
Q

How many inches of dental floss should the bow be tied with?

A

12 inches

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30
Q

When is a retainer required for treatment of anterior teeth?

A

Cervical retainers for class V restorations

31
Q

Precision instrument with rotating metal table with holes of varying sizes and tapered, sharp plunger

A

Punch

32
Q

Used for placement and removal of retainer from the tooth

A

Retainer Forceps

33
Q
  • Improves patient comfort by reducing direct contract of the rubber material with the skin
  • Absorbs any saliva seeping at the corners of the mouth
  • Acts as a cushion
A

Rubber Dam napkin benefits

34
Q

Placed between the rubber dam and the patients skin

A

Rubber dam napkin

35
Q

Water-soluble applied in area of punched holes helps pass dam septa through proximal contacts;

A

Lubricant

36
Q

Where should Lubricant be applied?

A

Both sides of the dam

37
Q

What is sometimes used as a lubricant?

A

Shaving cream

38
Q

Waxed dental tape (floss) or small piece of rubber dam material or rubber Wedjet

A

Anchors (other than retainers)

39
Q

When are other anchors used?

A

When the proximal contact is sufficient to anchor the dam to the tooth

40
Q

How many holes do rubber dams having in cutting table?

A

5 or 6

41
Q

Where should incisors and the mesial side of canines be isolated from?

A

1st premolar to 1st premolar

- Not retainer required

42
Q

Where should canines be isolated from?

A

1st molar of opposite lateral incisor

43
Q

Should include the lateral incisor on the opposite side of the arch

A

Posterior teeth

44
Q

1 or 2 teeth distally and anteriorly to opposite lateral incisor

A

Premolars

45
Q

As far distal as possible to oppsite lateral incisor

A

Molars

46
Q

How many teeth should be isolated?

A

Minimum of 3

47
Q

How many teeth do you isolate with endodontics

A

1

48
Q

Distance from center of 1 tooth to center of other (level of gingival tissue)

A

Distance between holes

49
Q

1st holes for central incisors

A

Maxillary teeth

50
Q

1st hole is posterior anchor tooth

A

Mandibular teeth

51
Q

What is the appropriate placement for the dam and the retainer?

A

Should be done at the same time

52
Q

Where should the rubber dam be inverted to seal?

A

Gingival direction

53
Q

What helps to get the interproximal?

A

Floss

54
Q

Air dry these surfaces and use a blunt instrument

A

Facial and Lingual

55
Q
  • Test and lubricate proximal contacts
  • Punch the holes
  • Lubricate the dam (2 sides)
  • Select the retainer
  • Test retainer’s stability and retention- lift occlusally with fingertip under the bow
  • Position dam over retainer
  • Apply the napkin/ position the napkin
  • Attach the frame
  • Apply anchor anteriorly (if needed)
  • Pass septa through contact without and then with dental tape/floss
  • Invert the dam interproximally
  • Invert dam faciolingually
  • Confirm proper application of dam
  • Check for access and visibility
  • Insert wedges
A

Application of rubber dam

56
Q
  • Cut the septa
  • Remove the retainer
  • Remove the dam
  • Wipe the lips
  • Rinse the mouth and massage the tissue
  • Examine the dam
A

Removal of rubber dam

57
Q

Cervical retainer placement

A

Use No.212 for Class V

58
Q

Restoration of adjacent proximal surface and cervical restoration of an abutment tooth

A

Fixed bridge Isolation

59
Q

Can be used to substitute for a retainer; lacks jaw and bow so dam slips sometimes

A

Matrix band

60
Q

Dictates changes in procedures of rubber dam application

A

Age of a patient

61
Q

Isolation is usually from the most posterior tooth to the canine on the same side

A

Isolation for primary teeth

62
Q

How is jaw position different in younger patients?

A

It should be directed more gingivally

63
Q

Retainer recommended for primary teeth

A

SS white No. 27

64
Q

Retainer recommended for young permanent teeth

A

Ivory no. W14

65
Q
  • Off-center arch form shredded or torn dam -Inappropriate hole distance sharp tips on No. 212 retainer
  • Incorrect hole arch form incorrect technique for cutting septa
  • Inappropriate retainer
  • Retainer-pinched tissue
A

Errors in application and removal

66
Q

Isolation alternatives when rubber dam isolation is impractical or impossible

A

Absorbents

67
Q

Cotton roll and Cellulose Wafers

A

Absorbents

68
Q

When rubber dam is not being used, these are indicated when the risk of aspirating or swallowing small objects is present

A

Throat shield

69
Q

Preferred for suctioning water and debris from the mouth

A

High Volume evacuators

70
Q
  1. Cuttings of tooth and restorative material and other debris are removed from the operating site
  2. A clean operating field improves access and visibility
  3. Dehydration of oral tissues does not occur
  4. Precious metals can be more readily salvaged if desired
A

Combined use of water spray or air-water and a high- volume evacuator during cutting procedures advantages

71
Q

Can often be used in direct procedures involving accessible subgingival areas and in indirect procedures involving gingival margins

A

Retraction cord

72
Q

Usually moistened with a noncaustic hemostatic agent, may be placed in the gingival sulcus to control sulcular seepage, hemmorage, or both

A

Retraction cord

73
Q

Establish and maintain suitable mouth opening, relieving the patient’s muscles of this task, which also produces fatigue and sometimes pain

A

Mouth props

Operative: lecture (3 decks)

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