Pontics in Fixxed prosthodontics Flashcards Preview

Fixed Prosthodontics > Pontics in Fixxed prosthodontics > Flashcards

Flashcards in Pontics in Fixxed prosthodontics Deck (6)
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0
Q

What are the materials used to construct pontics?

A

1) Cast alloy (gold, semi-precious, base metals)
2) Acrylic resin
3) Composite resin
4) FRC
5) Porcelein

1
Q

What are the 3 classes of edentulous spaces?

A

Class I: Bu-Li loss of tissue and normmal ridge height
Class II: Loss of ridge height but with loss of widthh
Class III: Loss of both height and width

2
Q

WHat are the 5 main pontic designs??

A

1) Sanitary pontic
2) Saddle ridgelap
3) Conical pontic
4) Modified ridgelap
5) Ovate pontic

3
Q

When are concial pontics normally used?

A

For molars when aesthetic requirements not vital. Good access to clean although food entrapment may be a problem in undercut areas.

4
Q

When is the modified ridgelap pontic indicated??

A

Generally for high aesthetic situations. Also easy to clean. Normally for ceramo-mmetal or FRC constructions

5
Q

Whhen is the ovate pontic indicated?

A

When excccellent aesthetics are required e.g. upper centrals.
Easy to clean. However, requires some surgical prep and hence contraindicated for patients that do not want surgery.