Pontics in Fixxed prosthodontics

Question 0

What are the materials used to construct pontics?

Answer 0

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

Question 1

What are the 3 classes of edentulous spaces?

Answer 1

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

Question 2

WHat are the 5 main pontic designs??

Answer 2

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

Question 3

When are concial pontics normally used?

Answer 3

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

Question 4

When is the modified ridgelap pontic indicated??

Answer 4

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

Question 5

Whhen is the ovate pontic indicated?

Answer 5

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.