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Terminology & Classification Flashcards

1
Q

What is a prosthesis?

A

Is any artificial replacement of a missing body part.

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2
Q

What is Prosthodontics?

A
  • It’s discipline of dentistry regarding restoration of oral func, comfort,
    appearance and health
  • by restoring natural teeth + replacing missing teeth
  • and contiguous oral and maxillofacial tissue w/ artificial substitutes.
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3
Q

What is a crown?

A
  • is an artificial replacement that restores missing tooth struct by surrounding most or all of the remaining struct. w/ a material such as:
    - cast metal
    - porcelain
    - combination materials
    Eg. metal & porcelain.
  • It is intended to reproduce both the form and function of the tooth + sometimes to restore or enhance appearance.
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4
Q

Types of crowns?

A
  • complete veneer crowns
  • partial veneer crowns
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5
Q

What does the complete veneer crowns restore?

A

restores all the surfaces of the clinical crown

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6
Q

What are the restoration materials that can be used in a complete veneer crown?

A
  • All metal Eg. metal cast crown
  • All porcelain (ceramic) Eg. Porcelain jacket crown
  • A metal-ceramic combination Eg veneer
  • A metal with processed resin Eg veneered crown
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7
Q

What does a partial veneer crown cover?

A

Restores only a portion of the clinical crown

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8
Q

Types of partial veneer crowns?

A
  • three-quarter crowns
  • reverse three-quarter crowns
  • seven eighths crowns
  • one half (1/2) crown veneers
  • pinledge retainer
  • laminates
  • resin bonded restoration
  • inlay retainer
  • onlay retainer
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9
Q

What does Three quarter crown restore?

A
  • occ surface
  • all other surfaces except facial surface
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10
Q

What does the Reverse Three-Quarter Crowns restore?

A

Restore all surface except the lingual surface

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11
Q

What does Seven-Eighths Crowns restore?

A

Are extensions of the three-quarter crown to include a major portion
of the facial surface
EXCEPT MB cusp of max molars

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12
Q

What does one half (1/2) crown veneers restore?

A

Restores:
Occ surface
M surface
Portions of facial and lingual surfaces
All surfaces except D

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13
Q

Info on Pinledge Retainer?

A
  • Restoration on ant three-quarter crown
  • to obtain primary retention + resistance from long parallel pins in the lingual or palatal surface of the clinical crown
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14
Q

Pins and ledges of pinledge retainer?

A

3 pins and 2 ledges

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15
Q

Laminates✨

A
  • R veneer restorations that restore the facial/labial surface
  • fabricated from resin or dental porcelain + bond to etched enamel w/ composite resin luting agent.
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16
Q

Resin-bonded Restorations🫧

A
  • r cast metal partial veneers that bond to etched enamel.
  • r used as retainers for a fixed partial dentures (FPD).
  • commonly referred to as a Maryland bridge.
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17
Q

Inlay Retainer 🦷

A
  • is an intracoronal cast restoration
  • that restores proximal + occlusal surfaces
  • does not protect or cover the cusps
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18
Q

Onlay Retainer 💉

A

Deals w/ cusp damage on occ surface

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19
Q

Components of post crown system

A
  • post
  • core
  • crown or extra coronal restoration
20
Q

define bridge:

A
  • It is a fixed dental prosthesis
  • which replaces + restores function + esthetic of one or more missing natural teeth
  • and can’t be removed from the mouth by the patient.
  • It is primarily supported by natural teeth or root.
21
Q

list the components of a bridge:

A
  • Abutment Tooth
  • Retainer (Attachment), (Abutment Piece)
  • Pontic
  • Connector Joint
22
Q

Abutment Tooth def:

A

Is the natural tooth which supports and retains the bridge at one or both terminals.

23
Q

define Pier (Intermediate Abutment tooth)

A

Is an isolated abutment tooth where the anterior and posterior adjacent teeth to it are missing.

24
Q

Define Retainer (Attachment), (Abutment Piece):

A

Is a restoration rebuilding the prepared tooth and by means of which the pontics are anchored to the abutment teeth.

25
Q

Define Pontic

A

(Dummy) is that part of the bridge which acts as the actual substitute for the lost tooth and is suspended between the retainers replacing the lost natural tooth functionally and esthetically.

26
Q

Define Connector Joint:

A

Is that part of the bridge uniting the pontic (s) with retainer (s) joining the component parts of the bridge.

27
Q

types of bridges according to retention:

A
  • simple bridge
  • compound bridge
28
Q

types of bridges acc to site:

A
  • complex bridge
  • anterior bridge
  • posterior bridge
29
Q

types of bridges acc to site

A

temporary bridge

30
Q

list the simple bridges:

A
  • Fixed Fixed Bridge
  • Fixed Supported Bridge
  • Cantilever Bridge
  • Spring Cantilever Bridge
31
Q

other names for the fixed fixed bridge?

A

Fixed Bridge
Rigid Bridge
Fixed Rigid Bridge
Stationary-Fixed Bridge

32
Q

define the fixed fixed bridge

A
  • Is a bridge where the abutment pieces and pontics are all soldered together
  • the bridge is cemented at both ends to the abutment teeth.
33
Q

other names for the fixed supported bridge

A

Fixed-Movable
Limited Stationary
Broken Stress Bridge
Semi- Rigid
Fixed-Semirigid Bridge

34
Q

define the foxed supported bridge

A
  • Is a bridge which is not actually joined to one of the terminal abutment teeth
  • but Is connected to it by means of a non-rigid connector
  • allowing some individual movement of the abutment tooth.
35
Q

define Cantilever Bridge

A
  • is a bridge where the pontic is fixed to and derives its support from one or double retainers at one end only while the other end is supported.
36
Q

define Spring Cantilever Bridge:

A
  • Is a cantilever bridge where the pontic is at the end of slightly resilient curved arm
  • deriving its support from an abutment remote from the edentulous spaces.
37
Q

define compound bridge

A

Is a combination of bridges composed of two or more of the simple types.

38
Q

define complex bridge

A

Is a bridge that extends at one of its terminals beyond the canine.

39
Q

list the types of ant bridges

A

a. Unilateral Bridge:
Is the two or three teeth anterior bridge which does not cross the median line.

b. Bilateral Bridge:
Is the three or four teeth bridge which involves teeth on both sides of the median line

40
Q

Temporary Bridge:

A
  • Is a bridge made and used temporarily for the protection of the prepared teeth
  • and maintenance of the space till completion and cementation of the bridge.
41
Q

In Full Coverage crown: Retained mainly by: Encircling the Preparation.

A

1) Metallic:
a. One Piece
b. Two Piece

2) Combined:
a. Veneered with acrylic or porcelain
b. Full Veneered with acrylic or porcelain.

3) Non-metallic:
a. Porcelain Jacket Crown.
b. Acrylic Jacket Crown

42
Q

In Full Coverage crown: Retained mainly by: Post in the root canal:

A

1) Retained by:
a. Post only.
b. Post and collar.

2) Posterior posts:
a. Attached.
b. Detached.

3) Material:
a. All-metallic.
b. Combined.
c. Retained by both Methods: Post - Jacket Crown.

43
Q

Partial coverage: Retained mainly by:

A

1) Grooves:
a. Three Quarter Crown 3/4.
b. Half Veneer Crown 1/2.
c. Mac Boyle Crown “Retainer”
d. Seven eights Crowns 7/8

2) Pins: Pin-Ledge Retainer.

3) Enclasping the preparation: Reverse Retention Retainer.

4) Combined means of retention: Modified types including both grooves and pins.

44
Q

list the bridges according to retention:

A

A. Simple Bridge: .
a. Fixed-Fixed.
b. Fixed-Supported
c. Cantilever.
d. Spring Cantilever.
e. Removable.

B. Compound Bridge:
Employing more than one of the above types.

45
Q

list the bridges according to material:

A

A. Metallic:
a. Precious alloy: Au, Pt.
b. Semi-Precious Alloy: Ag, Pd.
c. Non-precious Alloy: Cr. Ni. Co. Cu. Ti. Fe.

B. Combined:
a. metallic with labial or buccal veneers. “Porcelain or acrylic
b. Metallic with full porcelain veneer.
c. Non Metallic with metal reinforcement or framework.

C. Non-Metallic: a. All-Acrylic. b. All-Ceramic.

46
Q

list the bridges according to site:

A

a.Anterior
1. unilateral
2. Bilateral

b. Posterior

c. complex : anterior and posterior segments involving the canine eminence.

Fixed (2 decks)

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