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Prostho II > 1. Partially Edentulous patient > Flashcards

1. Partially Edentulous patient Flashcards

1
Q

Who is considered partially edentulous?

A

Patient has at least one permanent tooth missing

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2
Q

Prosthodontically a patient is not considered partially edentulous if… (3)

A
  • Anodontia
  • Eruption disorders
  • Lack of 3rd molars
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3
Q

Indications for RPDs? (6)

A
  • wire bounded edentulous areas
  • Severe bone loss preventing implants
  • Recent extractions/traumatisms
  • waiting period after preprostetic surgery
  • periodontal disease
  • economic reasons
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4
Q

Why do we use RPDs for wide bounded edentulous areas?

A

-porcelain and abutment teeth would suffer

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5
Q

What Kennedy classes do we use RPDs for severe bone loss preventing implants? (2)

A

Class I & II

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6
Q

What do the physiopathological disorders depend on? (3)

A
  • Number of lost teeth
  • Location of edentulous areas
  • condition of remaining teeth
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7
Q

Which teeth have great strategic importance? (2)

A

Canines and first molars

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8
Q

What physiopathological disorders can occur from posterior teeth loss?

A
  • Mastication disorders
  • Deglutition disorders
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9
Q

What physiopathological disorders can occur from anterior teeth loss?

A
  • Esthetic disorders
  • Phonation disorders
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10
Q

Tooth loss that leads to partial edentulism is generally due to: (2)

A
  • Caries in patients younger than 40 years old
  • Periodontal disease in patients older than 40 years old
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11
Q

True or false partial edentualism is highly prevalent?

A

True

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12
Q

Partial edentualism is associated with pateints who…

A

have bad oral hygiene

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13
Q

More than half the population over this age is partially edentulous

A

40 years old

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14
Q

The initial consequence of tooth loss? not true for…? (3)

A
  • Destablization of dental arches
  • Not true for 3rd molars OR if there is 2nd molar loss with no 3rd molars
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15
Q

When a tooth is missing the surrounding teeth do what?

A

move to the remaining place

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16
Q

Which teeth move when there is tooth loss? (2)

A
  • Antagonist teeth
  • Teeth in same arch
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17
Q

Where do teeth migrate? (3)

A
  • Distal teeth mesialize
  • Mesial teeth distalize
  • Antagonist teeth extrude
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18
Q

Teeth moving when there is tooth loss has consequences for… (2)

A

Teeth and TMJ

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19
Q

Tooth migrations and rotations produce… (2)

A
  • Prematurities
  • Interferencies: in protrusion, WS and NWS
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20
Q

What occlusal position occurs due to tooth loss? (2)

A

Greater MIOP and LIOP

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21
Q

What happens to the curve of spee with tooth loss? why? (2)

A
  • Greater curve of spee
  • b/c of extrusions, hinders posterior disocclusion
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22
Q

What is septum syndrome? Why does it occur? (2)

A
  • Food impaction between teeth
  • tooth loss
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23
Q

What happens with tooth loss and centric relation?

A

-Prematurities and displacement from centric relation

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24
Q

What happens with tooth loss and the occlusal plane?

A

alters occlusal plane

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25
Q

What happens with tooth loss and vertical dimension?

A

Loss of VD

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26
Q

Spread of front teeth after tooth loss?

A

labially

27
Q

When does spread of teeth occur with tooth loss? (2)

A
  • when there is reduced/lack of posterior occlusal support
  • periodontal disease or bruxism
28
Q

What can become dysfunctional in the stomatognatic system after tooth loss? (4)

A
  1. Teeth
  2. Periodontium
  3. Muscles
  4. TMJ
29
Q

What can become dysfunctional with teeth after tooth loss? (5)

A
  • Wear facets
  • Cervical abfractions
  • Tooth mobility
  • Tooth migrations
  • Pulp pain (b/c occlusal trauma)
30
Q

What can become dysfunctional with periodontium after tooth loss? (4)

A
  • periodontal pockets
  • gingival recession
  • vertical bone loss
  • increased tooth mobility
31
Q

What can become dysfunctional with muscles after tooth loss? (4)

A

Myositis Myalgia:

  • Spontaneous
  • Upon contact
32
Q

What can become dysfunctional with TMJ after tooth loss? (4)

A
  • Joint pain
  • Joint sounds
  • Mobility limitation
  • Opening-closing path deviation
33
Q

Most used classification for partially edentulous patient?

A

Kennedy 1923

34
Q

Kennedy’s classification is goverened by…

A

the most posterior edentulous area being restored

35
Q

How many Kennedy’s classes are there?

A

4 classes

36
Q

Who added more classes to Kennedy’s classification? how many?

A

Applegate 2 more

37
Q

What do the modifications mean in Kennedy’s class?

A

Represents the number of additional edentulous areas apart from the main one

38
Q

Kennedy’s Class I? (3)

A
  • Bilateral free-ended edentulism
  • Front teeth preserved
  • RPD will be tooth-tissue supported
39
Q

Kennedy’s Class II? (2)

A
  • Unilateral free-ended edentulism
  • RPD will be tooth tissue supported
40
Q

Kennedys class III (2)

A
  • Bilaterally bounded partial edentulism
  • RPD will be tooth-supported or tooth - tissue -supported
41
Q

Kennedy’s Class IV (3)

A
  • Bilaterally bounded anterior partial edentulism
  • Crosses mid-line
  • RPD will be tooth-supported
42
Q

What do we do if there are 2 molars on the same side but no other teeth? (4)

A
  • Difficult
  • Best option: extract teeth and make CD
  • RPD should be tissue-supported
  • Transitory solution towards CD
43
Q

What do we do if only both central incisors remain?

A
  • difficult
  • Best option: extract teeth and make CD
  • RPD should be tissue-supported
  • Transitory solution towards CD
44
Q

When do we use the kennedy classification?

A

AFTER tooth extractions

45
Q

What is not taken into consideration for kennedys classification? exception? (2)

A
  • Third molars EXCEPT when needed for an abutment
  • Absent second molar that will NOT be replaced by the denture
  • Extension of edentulous areas (only number)
46
Q

Which Kennedy class does not have modifications? why? (2)

A

Class IV

  • if the arch has more edentulous areas than the anterior one it wont be a class IV
47
Q
A

Class II

48
Q
A

Class I

49
Q
A

Class III

50
Q
A

Class IV

51
Q
A

Class I mod 2

52
Q
A

Class I mod 1

53
Q
A

Class I mod 3

54
Q
A

Class I mod 4

55
Q
A

Class II mod 1

56
Q
A

Class II mod 2

57
Q
A

Class II mod 3

58
Q
A

Class II mod 4

59
Q
A

Class III Mod 1

60
Q
A

Class III Mod 2

61
Q
A

Class III mod 3

62
Q
A

Class III mod 4

63
Q

Which class doesnt have modifications?

A

Class IV

Prostho II (12 decks)

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