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Peds II > Space maintainers II > Flashcards

Space maintainers II Flashcards

1
Q

Space maintainer: primary incisor loss etiology? (5)

A
  • Traumas: Most frequent
  • Caries (bottle caries and rampant caries)
  • Ectopic eruption
  • Lack of space
  • Supernumerary teeth
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2
Q

Space maintainer: primary incisor loss consequences? (5)

A
  • Patients age
  • Esthetics
  • Closure of the space (rare)
  • Apparition of habits
  • Alteration of speech
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3
Q

When the primary incisors are lost before the ______ erupt there may be loss of space

A

primary canines

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4
Q

Space maintainer: primary incisor diagnosis? (3)

A
  • Medical and dental chart
  • Exploration
  • Panoramic X-ray
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5
Q

Space maintainer: primary incisor objectives of the treatment? (3)

A
  1. Esthetic reposition
  2. Functional rehabilitation (swallowing and fonation)
  3. Assure the correct eruption of the permanent
    incisors
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6
Q

Space maintainer: primary incisor treatment? (3)

A 
• Esthetic fixed space
maintainer
• Removable plaque with
substitution of incisors
• Periodical check-ups
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7
Q

Space maintainer: primary incisor removal? (2)

A
  • When the permanent incisors start their eruption

* When the space maintainer is no longer needed

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8
Q

Space maintainer: primary incisor disadvantages of fixed ? (2)

A
  • They accumulate more dental plaque

- If they break, they are harder to fix

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9
Q

Space maintainer: lower primary canine loss etiology? (6)

A 
• Resorption of the canine root when the
permanent lateral incisor erupts
• Lack of space
• Caries
• Occlusal trauma
• Alteration in the order of eruption

**There is a collapse of the dental arch, there is a
loss of the arch length

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10
Q

Space maintainer: lower primary canine diagnosis? (5)

A
  • Medical and dental charts
  • Exploration
  • Panoramic x-ray
  • Space analysis
  • Occlusion analysis
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11
Q

Space maintainer: lower primary canine clinical presentations? (2)

A
  • Unilateral loss

- Bilateral loss

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12
Q

Space maintainer: lower primary canine unilateral loss types?

A
  • No deviation of midline

- Deviation of midline

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13
Q

Space maintainer: lower primary canine unilateral loss - no deviation of the midline treatment aim ? (3)

A

‣ Maintain the space for the eruption of the permanent canine
‣ Prevent midline deviation
‣ Prevent incisors linguoversion

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14
Q

Space maintainer: lower primary canine unilateral loss symptoms? (3)

A

‣ Inclination of the incisors towards the side of the loss
‣ Deviation or not of the midline
‣ Slight linguoversion of the incisors or not

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15
Q

Space maintainer: lower primary canine unilateral loss - deviation of the midline treatment aim ? (3)

A

‣ Maintain the space for the eruption of the permanent canine
‣ Try to center the midline
‣ Prevent incisors linguoversion

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16
Q

Space maintainer: lower primary canine unilateral loss - no deviation of the midline treatment? (3)

A

‣ Analysis of the available space
‣ Lingual arch with a distal stop at the lateral incisor
‣ If the space is inadequate, send to orthodontist

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17
Q

Space maintainer: lower primary canine unilateral loss - deviation of the midline treatment? (4)

A 
‣ Analysis of the space available
‣ Try to center the midline by extracting
the contralateral incisor
‣ Lingual arch with distal stops at the
lateral incisors
‣ Send to orthodontist
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18
Q

Space maintainer: lower primary canine bilateral loss symptoms? (4)

A

‣ Midline centered
‣ Linguoversion of the incisors
‣ Increase of the overjet
‣ Loss of arch length

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19
Q

Space maintainer: lower primary canine bilateral loss treatment aim?

A

Maintain the arch length

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20
Q

Space maintainer: lower primary canine bilateral loss treatment? (2)

A

‣ If there is no osteodental discrepancy or it is a slight
discrepancy: Lingual arch with distal stops at the lateral
incisors
‣ If there is a big osteodental discrepancy: Send to orthodontist

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21
Q

Space maintainer: Lower vs upper canine loss?

A

Upper canines > lower canines

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22
Q

Space maintainer: Upper primary canine etiology? (4)

A
  • Lateral eruption of permanent lateral incisor
  • Not enough space for lateral incisor to erupt
  • Caries
  • Trauma
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23
Q

Space maintainer: Upper primary canine treatment? (3)

A
  • It is rare
  • Band-loop or crown-loop
  • We try to avoid the deviation of the midline
24
Q

Space maintainer: Upper primary canine loss? (2)

A
  • Normally does not produce loss of arch length as in primary
    dentition there normally is overbite.
  • The lower arch acts as a space maintainer
25
Q

Space maintainer: Upper primary canine in mixed dentition before the
eruption of the lateral incisor? (2)

A 
- Removable space
maintainer
- It allows to be cut to
guide the eruption of the
lateral incisor
26
Q

Space maintainer: Upper primary canine in mixed dentition after the
eruption of the lateral incisor? (4)

A
  • Extraction of the contralateral canine
  • It generally does not need maintainer
  • In correct occlusion the lower arch acts as a
    space maintainer
  • It may be associated to a malocclusion
27
Q

Space maintainer: primary canine removal of space maintainers? (2)

A
  • When the canines start their eruption

* When the space maintainer is no longer needed

28
Q

Space maintainer: first primary molar etiology? (6)

A
  • Ectopic eruption of the permanent canine
  • Caries
  • Trauma
  • Occlusal trauma
  • Lack of space
  • Others
29
Q

Space maintainer: first primary molar treatment aims? (4)

A

• Before there is space loss: Space maintainer
• After there is space loss
- Recuperate the space lost
- Maintain the space that has been recuperated

30
Q

Space maintainer: first primary molar diagnosis? (6)

A 
• Medical and dental charts
• Exploration
• Panoramic x-ray
• Occlusion analysis
• Space analysis
• Determine if there is mesialization of
the 6
31
Q

Space maintainer: first primary molar clinical presentations - loss before the 1M has intercuspidation treatment? (4)

A

‣ It is always necessary space maintainer
‣ Band and loop or crown and loop
‣ After the 1M have intercuspidation,
change for bilateral space maintainer
‣ If there is loss of space already we may
place a space recuperator

32
Q

Space maintainer: first primary molar clinical presentations? (2)

A
  1. Loss before the 1M has intercuspidation

2. Loss after the 1M has intercuspidation

33
Q

Space maintainer: first primary molar clinical presentations - loss after the 1M has intercuspidation situations? (3)

A

‣ Class I molar relationship
‣ Cusp-cusp relationship End-to-end)
‣ Class II or III molar relationship

34
Q

Space maintainer: first primary molar clinical presentations - loss after the 1M has intercuspidation class I? (2)

A
  • does not need maintainer.

- Follow-ups every 6 months

35
Q

Space maintainer: first primary molar clinical presentations - loss after the 1M has intercuspidation cusp-cups?

A

It always needs maintainer. Uni or bilateral

36
Q

Space maintainer: first primary molar clinical presentations - loss after the 1M has intercuspidation class II or III/ great space loss?

A

Orthodontic evaluation

37
Q

Space maintainer: second primary molar clinical presentations?

A
  • Loss before the 1M has erupted

- Loss after the 1M has erupted

38
Q

Space maintainer: second primary molar loss before the 1M has erupted types? (2)

A

‣ 1M intraosseous

‣ 1M subgingival

39
Q

Space maintainer: second primary molar loss after the 1M has erupted types? (2)

A

‣ Before intercuspidation

‣ After intercuspidation

40
Q

Space maintainer: second primary molar loss before the 1M has erupted - treatment aims? (2)

A
  1. Maintain space for second premolar

2. Guide the 1M eruption

41
Q

Space maintainer: second primary molar loss before the 1M has erupted - intraosseous?

A

Follow-ups until the molar is subgingival There is

a protuberance in the gingiva)

42
Q

Space maintainer: second primary molar loss before the 1M has erupted - subgingival? (2)

A
  • Proprioceptive maintainer

* Classically it was used a subgingival maintainer

43
Q

Space maintainer: second primary molar proprioceptive maintainer? (2)

A

• It sends a constant pressure on the gingiva
to the periodontal ligament of the tooth
germ
• The tooth germ is guided to the zone where
the pressure is applied

44
Q

Space maintainer: second primary molar proprioceptive maintainer technique? (3)

A
  1. calibrated X-ray with metallic wickerwork
    2.The pressure of the maintainer must be done on the periodontal
    ligament, 1mm away of the mesial wall of the tooth germ
    3.The pressure is done by a curvature in the wire of the loop
45
Q

Space maintainer: second primary molar proprioceptive maintainer types?

A
  • Lower arch

- Upper arch

46
Q

Space maintainer: second primary molar proprioceptive maintainer lower arch (3)

A

• Proprioceptive crown and loop: If the first primary molar has a good
dentalveolar support
• Splint bar: If the teeth do not have good support we splint several teeth
together
• Removable space maintainer: When there is no first primary molar. It requires
follow ups. The is more space loss than with fixed maintainers

47
Q

Space maintainer: second primary molar proprioceptive maintainer upper arch (3)

A
  • Proprioceptive crown and loop:NEVER use
  • Splint bar: Treatment of election
  • Removable space maintainer
48
Q

Space maintainer: second primary molar - once the first molar has erupted…

A

place a palatal bar or a lingual arch

49
Q

Space maintainer: second primary molar After the 1M has erupted treatment aims?

A

Maintain space for second premolar

50
Q

Space maintainer: second primary molar After the 1M has erupted treatment things to take into account? (3)

A
  • Childs age
  • Sequence of eruption
  • It is necessary to do a panoramic X-ray
51
Q

Space maintainer: second primary molar After the 1M has erupted treatment - before intercuspidation?

A

Crown and loop on 1st primary molar

52
Q

Space maintainer: second primary molar After the 1M has erupted treatment - after intercuspidation?

A

Email

53
Q

Space maintainer: second primary molar After the 1M has erupted treatment - Early eruption of the second premolar

A

Band and loop

54
Q

Space maintainer: second primary molar After the 1M has erupted treatment - eruption of first premolar before second premolar?

A

Lingual arch or

palatal bar or Nance appliance

55
Q

Multiple losses space maintainer characteristics? (5)

A
  • Maintain the space
  • Reestablish the mastication
  • Reestablish the esthetics
  • Avoid extrusion of antagonistic
  • Avoid habits
56
Q

Multiple losses space maintainer: Before the eruption of the 1M (3)

A 
• Removable maintainer:When there is
loss of anterior teeth and first primary
molar
• Removable maintainer with
proprioceptive notch: 1M is subgingival
• Fixed proprioceptive maintainer with
splint: 1M subgingival
57
Q

Multiple losses space maintainer: after eruption of 1M? (2)

A
  • Removable maintainer

* Lingual arch or palatal bar

Peds II (11 decks)

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