intro lecture 2 Flashcards

1
Q
A
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2
Q

Interceptive orthodontics timing

A
  1. Not a prolonged treatment!
  2. Start at the appropriate time
  3. Correct the issue and observe until comprehensive treatment can be initiated
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3
Q

Interceptive Treatments

A
  • Space maintenance
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4
Q

Interceptive treatment

A
  • Correction
  • Limited bracketing can help in
    correcting poor inclination of
    incisors.
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5
Q

Minor tooth
movement in
the adult tx’s

A
  • Invisalign
  • In house aligners
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6
Q

Interdisciplinary care

A
  • Optimize spacing
  • Create a functional occlusal plane
  • Minor tooth movement
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7
Q

How did Proffitt and Akerman improved the Angle classification?

A

Three dimensions of space
* Anteroposterior
* Vertical
* Transverse
Time: Growth or aging

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8
Q

Antero-posterior
Dimension

A

The one most researched as Dr Angle only defined malocclusions in this plane of space.
(sagittal)
* Follow angle’s principles
* Classification of the molar
relationship
* “Classify the canine relationship”

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9
Q
  • Overjet in AP plane
A
  • Etiologies:
  • Skeletal: Involve one or 2 jaws
  • Dentoalveolar ( dental): nvolve upper and or lower incisors
  • Positive overjet
  • Negative overjet
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10
Q

overjet scale

A
  • 0mm : End to end occlusion
  • 2mm : Normal overjet
  • 4mm : Light overjet
  • 6mm : Moderate overjet
  • 8mm : Severe overjet
  • 10mm: Excessive overjet
    *
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11
Q

verical deminsion seen as:

A

Overbite

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12
Q

Overbite

A

Amount of coverage of the lower incisor crown by
the upper incisor in maximum interdigitation (percentage)

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13
Q

normal overbite %

A

20

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14
Q

openbites

A

no overbite present

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15
Q

Transverse Dimension:
According to Proffit, ?% of adult patients present with a transverse discrepancy

A
  • Width of the arch
  • Arch form
  • According to Proffit,30% of adult patients present with a transverse discrepancy
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16
Q

Arch width and form, potential forms

A
  • Normal
  • Narrow
  • Wide
  • Tapered,
  • “Normal”,
  • Square
17
Q
A

sqaure arch

18
Q
A

narrowed and tapered arch

19
Q
  • Malocclusions exist in ____
    planes of space.
A

3