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Prostho 3 > 1. > Flashcards

1. Flashcards

1
Q

Between a FPD and RPD: Which requires previous preparation of the tooth?

A

FPD only

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2
Q

Between a FPD and RPD: which requires cement?

A

FPD only between prepped tooth and restoration

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3
Q

What materials are used for FPDs? (4)

A

Ceramics
Composites
Hybrids
Metals

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4
Q

Between a FPD and RPD: More resistant and abrasive?

A

FPD

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5
Q

Between a FPD and RPD: More resilience?

A

RPD

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6
Q

Between a FPD and RPD: BEtter hygiene?

A

RPD

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7
Q

Between a FPD and RPD: More comfortable and psycological acceptance?

A

FPD

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8
Q

Between a FPD and RPD: Foreign body sensation?

A

RPD

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9
Q

Full fixed prothesis example? (2)

A
  • Implant supported (cement/screw)

- Tooth supported

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10
Q

Partial fixed prothesis example? (2)

A
  • Implant-supported

- Tooth supported

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11
Q

Full removeable prothesis example? (3)

A
  • Mucosa-supported
  • Implant-supported
  • Implant-retained
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12
Q

Partial removeable prothesis example? (2)

A
  • Mucosa-supported

- Tooth-retained

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13
Q

How is the retention of a fixed prothesis achieved?

A

By the friction between the two surfaces

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14
Q

How is a FPD preventative?

A

Maintain the health and integrity of the dental arches

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15
Q

General indications of FPD? (6)

A 
Psychological
Systemic Diseases
Orhodontic Reasons
Periodontal Reasons
Esthetic
Functional
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16
Q

Local indications of FPD?

A 
Dental Protection
Replace Missing Teeth
To alter shape, size or inclination of teeth
Appearence
Trauma
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17
Q

General contraindications of FPD? (7)

A 
Psycologic (non reversible)
Systematic Diseases
Deficient Hygiene
No Patient Cooperation
Macroglosia
Age
Multiple cavities
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18
Q

Local contraindications of FPD? (5)

A 
Crown-Root RATIO
Prosthetic Space
Health of the abutment
Gap Length
Previous Patology
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19
Q

How to treat a patient with epilepsy? (3)

A
  • Avoid long appointments and
    situations that lead to seizures.
  • No Removable Prosthesis
  • Metallic Occlusal Surface
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20
Q

How to treat a patient with cardiovascular disease?

A

Be careful with anaesthetics

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21
Q

How to treat a patient with diabetes? (2)

A
  • Predisposition for periodontal situations.

- Make sure they are controlled and have eaten.

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22
Q

Orthodontic indications for FPD? (2)

A
  • To Avoid Orthodontic Treatment

- To Maintain occlusal stability

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23
Q

Periodontal indications for FPD? (2)

A
  • To Create and/or correct
    Axial forces.
  • To correct occlusal
    trauma
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24
Q

Esthetic indications for FPD?

A

Bone and gingiva limitations

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25
Q

Functional indications of FPD? (3)

A
  • Restoring occlusal stability can solve TMJ disorders
  • Restore the masticatory function
  • Restore phonetics abilities
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26
Q

How can you solve TMJ disorders by restoring occlusal stability (2)

A
  • correcting interferences and prematurity’s

- restoring missing guidance

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27
Q

FPD indications for dental protection? (4)

A
  • Replace Missing Teeth
  • To alter shape, size or inclination of teeth
  • Appearance
  • Trauma
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28
Q

Abutment prognosis: crown length?

A

Longer = better prognosis

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29
Q

Abutment prognosis: mobility?

A

Absolute contraindication for abutments

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30
Q

Abutment prognosis: things that affect the root? (5)

A 
Radiolucent images
Rhizolysis
Hypercementosis
Number, shape
Root-Crown Proportion
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31
Q

Prognosis: gap shape curvature?

A

The greater the curvature, the worse the prognosis

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32
Q

What can cause no prosthetic space? (3)

A
  • Dental movements (extrusion, inclination)
  • Gingival enlargement
  • Trauma
33
Q

What are the classifications of tooth supported FPD? (2)

A
  • Unitary

- Partial

34
Q

What is a partial tooth supported FPD?

A

Bridge

35
Q

What are unitary tooth supported FPDs? (3)

A
  • Intracoronal
  • extracoronal
  • Intraradicular
36
Q

What is an intracoronal FPD? (2)

A
  • inlay

- onlay

37
Q

What is an extracoronal FPD? (3)

A
  • Partial coverage
  • Full coverage
  • Veneer
38
Q

What is a full coverage FPD? (4)

A
  • All Metal crown
  • Metal-Ceramic crown
  • Veneer Crown
  • All Ceramic Crown
39
Q

What are the classifications of implant supported FPD? (3)

A
  • Unitary
  • Bridge
  • Full rehabilitation
40
Q

Dental materials porosity?

A

They should not be porous

41
Q

Dental materials coefficient of thermal expansion?

A

Should be low

42
Q

Dental materials: Metallic? (2)

A

Gold

Metal alloys

43
Q

Dental materials: Non-Metallic? (4)

A
  • Acrylic
  • Ceramic
  • Composite
  • Hybrids
44
Q

Dental materials: Material combos? (2)

A
  • Metal-ceramic

- Metal-acyrlic

45
Q

Advantages of using gold? (7)

A 
Strength
Longevity
Good Biocompability
Hypoallergenic
Minimal Wear to opposing teeth
Fit
Less tooth reduction required
46
Q

Disadvantages of using gold? (3)

A

Esthetics
Expensive Cost
It cannot be fused with ceramics

47
Q

What is a high noble alloy?

A

More than 40% wt gold + 60wt% other noble metal

48
Q

What is a noble allow?

A

More than 25wt% noble metals

- no limit for gold content

49
Q

What is a predominantly base metal alloy?

A

more than 75wt% base metal + less than 25wt% noble metal

50
Q

Noble alloy advantage compared to gold? (3)

A
  • Increased strength
  • Increased hardness
  • More resistant to abrasion
51
Q

Noble alloy advantage compared to base metals? (4)

A
  • Less corrosion
  • Less abrasion
  • Easier to adapt and polish
  • More accurate
52
Q

DISADVANTAGES OF HIGHLY NOBLE AND NOBLE ALLOYS COMPARED TO BASE METALS (3)

A
  • More Expensive
  • Less Rigid: Disadvantage in long bridges
  • More tooth reduction required
53
Q

What metallic material can be used for inlays?

A

Gold type I II

54
Q

What metallic material can be used for full coverage crowns?

A

Gold type III

55
Q

What metallic materials can be used for full coverage crowns? (2)

A
  • totally metallic

- Metal-ceramic

56
Q

What metallic material can be used in bridges? (3)

A
  • Metal-ceramic
  • highly or noble alloys
  • Cr-Ni if they are long
57
Q

What metallic material can be used in metallic pin cast?

A

Noble or highly noble alloys

58
Q

What material is mainly used for provisionals?

A

Resin materials

59
Q

What material allows reline directly in the patients mouth?

A

Acrylic

60
Q

Acrylic is not… (4)

A
  • very resistant
  • abrasive
  • stable colorwise
  • accurate fitting
61
Q

Acrylics are … (3)

A
  • manipulated easily
  • esthetic (for short period)
  • cheap
62
Q

Acrylic biocompatibility?

A

Low

63
Q

Ceramic advantages? (7)

A 
Hardness
Chromatic Stability
Hygiene
Accuracy
No heat changes (protects the pulp)
Biocompability (with soft tissues)
ESTHETICS
64
Q

Ceramic disadvantages? (4)

A

Fragile
More tooth reduction
Not resilient
Enamel abrasion of the antagonist

65
Q

Feldespathic porcelain composition? (3)

A

Feldespar 85%
Quartz 15%
Kaolin

66
Q

What is the composition of aluminious ceramics? (3)

A
  • In Ceram Alumina 99% aluminum oxide
  • In Ceram Spinell 28% magnesium oxide
  • In Ceram Zirconia 33% zirconia
67
Q

What is the composition of zirconia based ceramics?

A
  • Zirconia 95%
68
Q

What material is a glass ceramic?

A

Feldespathic

69
Q

What material is a glass ceramic with fillers? (3)

A
  • Leucite-Reinforced
  • Lithium Disilicate
  • Glass-inflitrated
70
Q

What material is a glass free ceramic? (2)

A

Polycrystallines:

- Aluminious zirconia

71
Q

How are ceramics classified by their microstructure? (4)

A
  • Glass based system, mainly sillica
  • Glass based systems with fillers
  • cyrstalline-based systems with glass fillers
  • polycrystalline solids
72
Q

What are the glass based systems with fillers? (3)

A

2.1 Low-to-moderate leucite containing feldespathic glass—known as feldespathic porcelain, these are the
more esthetic and the more fragile too
2.2 High-leucite-containing glass. Approximately 50% of leucite and the rest of aluminisilicate glass
2.3 Lithium-disilicate glass ceramic, it is a new type developed by ivoclar (IPS e-max)

73
Q

What are the crystalline-based systems with glass fillers?

A

Developed as an alternative for metal ceramics. Glass-infiltrated with partially sintered alumina, the
InCeram

74
Q

What are the polycrsyaline solids?

A

These are solid-sintered monophase ceramics. They can be made of aluminous-oxide or zirconia

75
Q

What are the classifications of ceramics based on processing technique? (3)

A
  • Powder-liwuid
  • pressable blocks
  • CAD/CAM
76
Q

What is a powder-liquid ceramic?

A

glass-based systems, generally made for veneering cores made from either
metal, alumina or zirconia

77
Q

What is a pressable block ceramic?

A

of glass-based systems (Vitabloc Mark II for the CEREC, IPS Empress), for inlays
and onlays, anterior crowns.

78
Q

What is a CAD/CAM ceramic?

A

used for cores that will be veneered with a powder-liquid porcelain

Prostho 3 (11 decks)

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