intro lecture Flashcards

1
Q

What is Orthodontics?

A
  • Diagnosis and treatment of misaligned jaws and teeth.
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2
Q

What are the goals of orthodontics? (form/function)

A

Form- Esthetics:
* Smile design
* Facial harmony
* Symmetry
* Psychological well being

Function:
* Optimize occlusion
* Best possible masticatory function
* Breathing
* Speech

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3
Q

Occlusal function enhancement: what must be established/ corrected?

A
  • Establish harmonious occlusal relationship in the three planes of space
  • Establish anterior coupling
  • Correct Antero posterior and vertical discrepancies
  • Establish or normalized the transverse dimension
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4
Q

how is ortho an Interdisciplinary care?

steps?

A
  • Involves several specialties of dentistry
  • Requires careful panning
  • Start with the end in mind
  • Result is dependent on the team proficiency and the patient motivation
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5
Q

Dr. Angle’s Definition of the Correct
occlusion and Tooth Position

Class 1

A
  • Based on the relationship of the upper and lower first permanent molars in the AP dimension.
  • “ The mesiobuccal cusp of the
    upper first permanent molar is
    in occlusion with the buccal
    groove of the lower first molar
    and a full complement of teeth
    is present ”. (second half not true)
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6
Q
  • Class ___ malocclusions are the most frequent malocclusions

% affected

A

1,
* And are present in 70% of the population.

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7
Q

more common maloclusions in practice populations

A

2 and 3

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8
Q

what causes 90% class I malocclusions

A

man not set far enough forward

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9
Q

malocclusions and spatial deminisions

A

Malocclusions are present in
the three dimensions of space ( even the fourth one: time)

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10
Q

Class II

A

The upper first permanent molar is positioned mesially in relation to the lower first permanent molar.

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11
Q

Class III

A
  • The upper first permanent
    molar is positioned distally in
    relation to the lower first
    permanent molar.
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12
Q

Role of orthodontics in oral health

A
  • Esthetic: Improve quality of life by improving facial appearance.
  • Functional ( Occlusal level) : QOL by improving function and mastication
  • Functional: ( Sleep Apnea) :QOL improvement by improving breathing and sleep – Multidisciplinary approach
  • Functional: Temporo mandibular care- Applicable to a small group of patients ( 10%)
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13
Q

how should ortho tx start

A

look at facial form before teeth

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14
Q

sleep apnea correlations

A

US: obesity
elsewhere: may be due to craniofacial forms/genetics

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15
Q

can there be good esthetics and bad function?

A

yes

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16
Q

what are the components of time that must be predicted

A

growth and aging

17
Q

anterior coupling

A

man and max incisors meet at the correct angles