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A Odonto II. > W1. Types of the fixed prosthetic appliances > Flashcards

W1. Types of the fixed prosthetic appliances Flashcards

1
Q

I. Basics
1. What are the 3 main types of fixed prosthetic appliances?

A
  1. Extracoronal
  2. Intracoronal
  3. Intraradicular
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2
Q

II. Extracoronal
1. What are the 3 types of single tooth restoration?

A
  1. Full coverage crown
  2. Partial coverage crown
  3. Veneers
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3
Q

II. Extracoronal
2A. Describe Full Coverage Crown

A

Restore/cover all surface of the clinical crown of the prepared tooth

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4
Q

II. Extracoronal
2B. What are the 3 main materials used for full coverage crown?

A
  1. Metal
  2. Nonmetal (ceramic, composit)
  3. Combination
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5
Q

II. Extracoronal
2C. What are the 4 features of metal crown?

A

1. Mainly for posterior teeth (upper arch)
2. Tooth structure preservation
3. Long span bridge
4. Economic reason

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6
Q

II. Extracoronal
3. What is the Critical criteria of Jacket crown?

A

1/ 1mm min at 90° shoulder margin
2/ 1mm min all round buccal and palatal
3/ 1.5mm min at incisal edge

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7
Q

II. Extracoronal
4. What are the materials that can be used for the full coverage crown?

A
  1. Metal
  2. Non-metal
  3. Combination
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8
Q

II. Extracoronal
5A. What are the 2 examples of combinations of materials used for full coverage crown?

A
  1. Porcelain fused to metal
  2. Acrylic veneered metal crown
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9
Q

II. Extracoronal
5B. What are the advantages of Porcelain fused to metal crown?

A
  1. The strength from metal substructure is its major advantage
  2. It resists occlusal and other forces well.
  3. It may allow minimum palatal reduction.
  4. Can be adapted to many shape of tooth preparation.
  5. Additional retention can be gained in difficult preparation by the use of pins or grooves.
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10
Q

II. Extracoronal - Principals of tooth preparation
6A. What are the 4 principles of tooth preparation?

A
  1. Preservation of tooth structure
  2. Structural durability
  3. Marginal integrity
  4. Preservation of periodontium
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11
Q

II. Extracoronal - Principals of tooth preparation
6B. Which principle of tooth preparation does this picture demonstrate?

A

Preservation of tooth structure

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12
Q

II. Extracoronal - Principals of tooth preparation
6C. Which principle of tooth preparation does this picture demonstrate?

A

Structural durability

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13
Q

II. Extracoronal - Principals of tooth preparation
6D. Which principle of tooth preparation does this picture demonstrate?

A

Marginal integrity

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14
Q

II. Extracoronal - Principals of tooth preparation
6E. Which principle of tooth preparation does this picture demonstrate?

A

Preservation of periodontium

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15
Q

II. Extracoronal - Single tooth restoration
7A. What does Single tooth restoration mean?

A

Cover only the damaged coronal part of the tooth

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16
Q

II. Extracoronal - Single tooth restoration
7B. What are the 3 types of single tooth restoration?

A
  1. Full coverage crown
  2. Partial coverage crown
  3. Venners
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17
Q

II. Extracoronal - Partial veneer crown
8A. What is the role of Partial veneer crown?

A

Restore only a portion of the missing clinical crown

18
Q

II. Extracoronal - Partial veneer crown
8B. What are the 3 types of partial veneer crown according to retention?

A
  1. Retention by grooves
  2. Retention by pins
  3. Combination
19
Q

II. Extracoronal - Partial veneer crown
8C. What are the 4 indications for partial veneers?

A
  1. Intact or minimally restored teeth
  2. Teeth with crown length that is average or exceeds average
  3. Teeth with normal anatomic crown form without cervical constriction
  4. Anterior teeth with adequate labio-lingual thickness
20
Q

II. Extracoronal - Partial veneer crown
8D. What are the 7 contraindications for partial veneers?

A
  1. High caries level
  2. Short teeth
  3. Non-vital teeth
  4. Deep cervical abrasion
  5. Teeth with extensive core restorations
  6. Bell shaped teeth (severe cervical constiction)
  7. Thin teeth
21
Q

II. Extracoronal - Partial veneer crown
8E. What are the 6 advantages of partial veneers?

A
  1. Conserves tooth structure
    2. Easy access to margins for finishing (for dentist)
    3. Less gingival involvement than with complete cast crown
    4. Aesthetics are superior to that of the complete crowns
    5. Electric pulp testing can be done on the intact surface
    6. Complete seating of the restoration can be easily verified
22
Q

II. Extracoronal - Partial veneer crown
8F. What are the 4 disadvantages of partial veneers?

A
  1. Retention is less than that of complete veneer crown
  2. Skilful preparation is crucial to avoid metal display
  3. Preparation is limited to teeth with normally shaped, average length clinical crown
  4. It is not indicates for use in cases of non-vital teeth
23
Q

II. Extracoronal - veneers
9A. What are dental veneers?

A

Dental veneers (dental laminates) are covered the front surface of the tooth. They are made from easthetic, tooth-colored material which can be ceramic, composit and combination material

24
Q

II. Extracoronal - veneers
9B. What are the 8 indications of veneers?

A

1. Esthetically compromised anterior teeth
2. Poorly shaped or crooked teeth
3. Stained teeth (intrinsic/extrinsic)
4. Closure of diastemas
5. Enamel hypoplasia
6. Fractured teeth
7. Anatomically malformed teeth
8. Tooth wear

25
II. Extracoronal - veneers 9B. What are the 5 contraindications of veneers?
1. Crowded teeth 2. Teeth with inadequate enamel present 3. Patient with habitat clenching and grinding 4. Non-ideal occlusion 5. Teeth weakened by exiting large restorations
26
II. Extracoronal 10A. What are the characteristics of bridge?
- It is a fixed restoration replaces one or more missing teeth. - It is cemented to the natural teeth, roots, implants or fixed with a screw to an implant
27
II. Extracoronal 10B. What are the 3 parts of bridge?
1. Abutment 2. Retainer 3. Pontic
28
II. Extracoronal - bridge 10C. What is abutment? (a part of bridge)
- Natural tooth, root or an implant used to support and retain the bridge
29
II. Extracoronal - bridge 10D. What are retainers? (a part of bridge)
Connection between abutments and pontic.
30
II. Extracoronal - bridge 10E. What is the Pontic part of bridge?
Artificial coronal part of the meaning tooth to be repalced
31
II. Extracoronal - considerations of Pontic part of bridge 11A. What are the 4 general considerations of Pontic part of bridge?
1. Biomechanical considerations  2. Aesthetics considerations 3. Hygienic considerations 4. Phonetic considerations
32
II. Extracoronal - considerations of Pontic part of bridge 11B. What are the 4 hygienic considerations of Pontic part of bridge?
1. Saddle 2. Ridge lap 3. Hygienic 4. Conical
33
II. Extracoronal 12. What are the 3 types of Cantilever fixed partial denture?
1. Mesial 2. Distal 3. Distal-distal
34
III. Intracoronal restorations 1. What are the 2 main types of intracoronal restorations?
1. Inlay 2. Onlay
35
III. Intracoronal restorations 2. What is inlay?
Indirect restoration: occlusal surface excluding cusps
36
III. Intracoronal restorations 3. What is onlay, overlay etc.?
Indirect restoration: occlusal surface plus cusp(s)
37
IV. Intraradicular restoration 1. What is Intraradicular restoration?
1. Dowel: - Intraradicular restoration: a post, usually made of metal that is fitted into a prepared root canal of a tooth that has had endodontic therapy 2. Core: - The coronal aspect of the post foundation
38
IV. Intraradicular restoration 2. What is the historic background of post and core?
- Various methods of restoring pulpless teeth have been reported for more than 200 years. - In 1747, Pierre Fauchard described the process by which roots of maxillary anterior teeth were used for the restoration of single teeth and the replacement of multiple teeth - Materials: gold, silver
39
V. Extra 1. What are the 3 types of retainers according to retention?
1. Extracoronal retainers 2. Intracoronal retainers 3. Intraradicular retainers
40
V. Extra 2. What are the 2 types of extracoronal retainers?
1. Full coverage 2. Partial coverage
41
V. Extra 3. What are the 2 types of intraradicular retainers?
1. Post 2. Post and core
42
V. Extra 4. What are the 2 types of intracoronal retainers?
1. Inlay 2. Onlay

A Odonto II. (8 decks)

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