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Orthodontics > Introduction > Flashcards

Introduction Flashcards

1
Q

What is Orthodontics?

A

*Diagnosis and treatment of misaligned jaws and teeth.

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2
Q

Orthodontics play an important role in facial —

A

esthetics

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3
Q

Form- Esthetics
(4)

A

*Smile design
*Facial harmony
*Symmetry
*Psychological well being

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4
Q

Function
(4)

A

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

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5
Q

Occlusal function enhancement
*Establish
*Establish
*Correct
*Establish

A

harmonious occlusal relationship in the three planes of space
anterior coupling
Antero posterior and vertical discrepancies
or normalized the transverse dimension

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6
Q

Interdisciplinary care
*Involves
*Requires
*Start with
*Result is dependent on (2)

A

several specialties of dentistry
careful panning
the end in mind
the team proficiency and the patient motivation

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7
Q

Dr. Angle’s Definition of the Correct occlusion
and Tooth Position
(2).

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 ”

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8
Q

Class I occlusion :
Class II- Class III
(3)

A

*This definition form Dr Angle
does not exclude malocclusion.
*Class I malocclusions are the
most frequent malocclusions
*And are present in 70% of the
population.

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9
Q

Malocclusions are
present in the

A

three dimensions
of space ( even
the fourth one:
time)
Xyz coordinates

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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
*Esthetic:
*Functional ( Occlusal level) :
*Functional: ( Sleep Apnea) :
*Functional:

A

Improve quality of life by improving facial appearance.
QOL by improving function and mastication
QOL improvement by improving breathing and sleep –Multidisciplinary approach
Temporo mandibular care- Applicable to a small group of patients ( 10%)

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13
Q

Role of orthodontics in the predoctoral
curriculum
*1. Interceptive orthodontics

A
  • Treatments in the mixed dentition aimed at improving esthetics and function
    during active dentoalveolar development
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14
Q
  • Treatments in the mixed dentition aimed at improving esthetics and function
    during active dentoalveolar development
    (4)
A
  • Space maintenance
  • Eruption guidance
  • Crossbite corrections
  • No comprehensive treatment done at that time
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15
Q

Role of orthodontics in the predoctoral
curriculum
(3)

A
  1. Monitoring the development of malocclusions
  2. Minor tooth movement in the adult
  3. Interdisciplinary care of restorative needs in adult patients
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16
Q
  1. Monitoring the development of malocclusions
A
  1. Refer to the orthodontist at the right time
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17
Q
  1. Minor tooth movement in the adult
A
  1. Invisalign or Inhouse aligners
18
Q
  1. Interdisciplinary care of restorative needs in adult patients
    (3)
A
  1. Recreating of an appropriate functional occlusion plane
  2. Optimizing spaces for implants
  3. Correcting unfavorable dental angulation and inclination
19
Q

Interceptive orthodontics
1. Timing
(3)

A
  1. Not a prolonged treatment!
  2. Start at the appropriate time
  3. Correct the issue and observe
    until comprehensive treatment
    can be initiated
20
Q

Interceptive Treatments
(3)

A

*Space maintenance
*Correction
*Limited bracketing can help in
correcting poor inclination of
incisors.

21
Q

Minor tooth
movement in
the adult
(2)

A
  • Invisalign
  • In house aligners
22
Q

Interdisciplinary care
(4)

A

*Optimize spacing
*Create a functional occlusal
plane
*“Minor” tooth movement
*Molar uprighting is usually not
minor tooth movement

23
Q

Proffitt and Akerman improved the Angle
classification.
Three dimensions of space

A
  • Anteroposterior
  • Vertical
  • Transverse
    Time: Growth or aging
24
Q

The one most researched as Dr Angle only defined malocclusions in this
plane of space.

A

Antero-posterior Dimension

25
Q

First Dimension: Anteroposterior (sagittal)
(3)

A

*Follow angle’s principles
* Classification of the molar
relationship
* “Classify the canine relationship”

26
Q

First Dimension: Anteroposterior (sagittal)
*Overjet:
* Etiologies
(2)

A
  • Skeletal: Involve one or 2 jaws
  • Dentoalveolar ( dental): Involve upper and or lower incisors
27
Q

Overjet:
can be

A

positive or negative

28
Q

*0mm :

A

End to end occlusion

29
Q

*2mm :

A

Normal overjet

30
Q

*4mm :

A

Light overjet

31
Q

*6mm :

A

Moderate overjet

32
Q

*8mm :

A

Severe overjet

33
Q

*10mm:

A

Excessive overjet

34
Q

Overbite

A

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

35
Q

Normal overbite (—%)

A

20

36
Q

Deep overbite (—%)

A

100

37
Q

Transverse Dimension
(3)

A

*Width of the arch
*Arch form
*According to
Proffit,30% of
adult patients
present with a
transverse
discrepancy

38
Q

Arch width and form
(6)

A

*Normal
*Narrow
*Wide
*Tapered,
*“Normal”,
*Square

39
Q

Malocclusions exist in —
planes of space.

A

three

40
Q

Dr Angle described a very
generic ways to define
—.

A

malocclusions

Orthodontics (9 decks)

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