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z oral surgery / oral diseases > Forceps in exodontia > Flashcards

Forceps in exodontia Flashcards

1
Q

Draw a table to outline which instruments are used on which teeth

A
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2
Q

Describe instrument No.2 in terms of :

  • beak design
  • direction of forces
  • what teeth
A
  • Beak design:
    • Serrated to improve grip
    • Concave to fit around tooth
    • In long axis of handle – easy access
  • Direction of forces:
    • Apical
    • Rotational
  • Used for:
    • Upper centrals, laterals, canines
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3
Q

Describe instrument No.73 in terms of :

beak design

direction of forces

what teeth

A
  • Beak design:
    • Pointed to engage furcations
    • Concave to fit tooth surface
    • 90° to handle
  • Direction of forces:
    • Apical
    • Bucco-lingual
    • “Figure-of-8”
  • Used for:
    • Lower molars
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4
Q

Describe instrument No.74 in terms of :

beak design

direction of forces

what teeth

A

Beak design:

  • Concave to fit root surface
  • Long beak to reach roots

Direction of forces:

  • Apical
  • Rotational
  • Bucco-lingual

Used for:

  • Lower roots
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5
Q

Describe instrument No.76 in terms of :

beak design

direction of forces

what teeth

A

Beak design:

  • Concave to engage tooth surface
  • 30° cant

Direction of forces:

  • Apical
  • Bucco-lingual
  • (Rotational forces can be used for the upper second premolar ONLY)

Used for:

  • Upper premolars
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6
Q

Describe instrument No.94 in terms of :

beak design

direction of forces

what teeth

A

Beak design:

  • Pointed buccal beak to engage furcation
  • Curved to fit tooth surface

Direction of forces:

  • Apical
  • Buccal

Used for:

  • Upper right molars
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7
Q

Describe instrument No.95 in terms of :

beak design

direction of forces

what teeth

A

Beak design:

  • •Pointed buccal beak to engage furcation
  • •Curved to fit tooth surface

Direction of forces:

  • •Apical
  • •Buccal

Used for:

  • •Upper left molars
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8
Q

Describe bayonets in terms of :

beak design

direction of forces

what teeth

A

Beak design:

  • •Elongated for better access
  • •Angled for better access

Direction of forces:

  • •Apical
  • •Bucco-palatal

Used for:

  • •Upper 3rd molars
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9
Q

what is the operator positioning for extractions in the lower right quadrant?

A
  • operator
    • behind patients right shoulder
    • broad stance
    • straight back
  • patient
    • ’s mouth is at elbow level
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10
Q

what is the operator positioning for extractions in the lower left, upper left and upper right quadrants?

A
  • operator
    • facing patient on patient’s left
    • broad stance
    • straight back
  • patient
    • ’s mouth at elbow level
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11
Q

how is the left hand placed whilst extraction of a lower right?

A
  • index
    • buccal side of root area
  • thumb
    • lingual side
  • middle finger
    • mandibular border - extraorally
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12
Q

how is the left hand placed whilst extraction of a lower left?

A
  • index
    • support tooth buccally
  • thumb
    • mandibular border extraorally
  • middle finger
    • lingually tooth
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13
Q

how is the left hand placed whilst extraction of a lower anterior?

A
  • index
    • tooth labially
  • thumb
    • mandibular border extraorally
  • middle finger
    • lingually
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14
Q

how is the left hand placed whilst extraction of a upper right?

A
  • standing behind patient
  • index
    • palatally
  • thumb
    • buccally
  • make a fist with hand
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15
Q

how is the left hand placed whilst extraction of a upper left?

A
  • index
    • tooth buccally
  • thumb
    • palatally
  • make fist
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16
Q

how is the left hand placed whilst extraction of an upper anterior?

A
  • index
    • tooth labially
  • thumb
    • palatally
17
Q

describe extraction of the upper incisors in terms of :

instrument

root morphology

direction of forces

path of delivery

A

No.2

Root morphology:

  • •Conical

Direction of forces:

  • •Apical
  • •Rotational

Path of delivery:

  • •Incisal
18
Q

describe extraction of the upper canines in terms of :

instrument

root morphology

direction of forces

path of delivery

A

No.2

Root morphology:

  • •Conical

Direction of forces:

  • •Apical
  • •Bucco-palatal
  • •Rotational

Path of delivery:

  • •Incisal
19
Q

describe extraction of the upper premolars in terms of :

instrument

root morphology

direction of forces

path of delivery

A

No.76

Root morphology:

  • •Oval; broadest bucco-palatally
  • •1st premolar 2 roots
  • •2nd premolar 1 root

Direction of forces:

  • •Apical
  • •Bucco-palatal

Path of delivery:

  • •Incisal
20
Q

describe extraction of the upper molars in terms of :

instrument

root morphology

direction of forces

path of delivery

A

No.94/95

Root morphology:

  • •2 buccal roots
  • •1 palatal root

Direction of forces:

  • •Apical
  • •Bucco-palatal

Path of delivery:

  • •Buccal
21
Q

describe extraction of the upper 3rd molars in terms of :

instrument

root morphology

direction of forces

path of delivery

A

bayonets

Root morphology:

  • •Usually follows first and second molars
  • •Can be varies

Direction of forces:

  • •Apical
  • •Buccal

•“Figure-of-8”

Path of delivery:

  • •Incisal
22
Q

describe extraction of the lower incisors in terms of :

instrument

root morphology

direction of forces

path of delivery

A

no.74

Root morphology:

  • •Oval; broadest bucco-lingually

Direction of forces:

  • •Apical
  • •Bucco-lingual
  • •Rotational

Path of delivery:

  • •Incisal
23
Q

describe extraction of the lower canines in terms of :

instrument

root morphology

direction of forces

path of delivery

A

no.74

Root morphology:

  • •Conical

Direction of forces:

  • •Apical
  • •Rotational

Path of delivery:

  • •Incisal
24
Q

describe extraction of the lower premolars in terms of :

instrument

root morphology

direction of forces

path of delivery

A

no.74

Root morphology:

  • •Conical

Direction of forces:

  • •Apical
  • •Rotational

Path of delivery:

  • •Incisal
25
Q

describe extraction of the lower molars in terms of :

instrument

root morphology

direction of forces

path of delivery

A

no.73

Root morphology:

  • •2 roots; 1 mesial and 1 distal
  • •Roots are oval
  • •Broadest bucco-lingually

Direction of forces:

  • •Apical
  • •Bucco-lingual
  • •“figure-of-8”

Path of delivery:

  • •Incisal
26
Q

describe extraction of the lower 3rd molars in terms of :

instrument

root morphology

direction of forces

path of delivery

A

no.73

Root morphology:

  • •2 roots; 1 mesial and 1 distal
  • •Roots are oval
  • •Broadest bucco-lingually
  • •Can be varied

Direction of forces:

  • •Apical
  • •Bucco-lingual
  • •“figure-of-8”

Path of delivery:

  • •Incisal

z oral surgery / oral diseases (13 decks)

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