Pontic Design For Metal Ceramic Bridge Should Quizzn

All metal hygienic pontic fabrication 54.

Pontic design for metal ceramic bridge should quizzn.

Learn about the types of dental bridges including traditional cantilever maryland and implant supported. 2 and 4 4 only 1 and 3. Metal ceramic systems that have a difference in the coefficients of thermal expansion metal minus ceramic of 0 5 10 6 c or less are acceptable. Retainers major or minor fixed fixed cantilever and spring cantilever bridges have only major retainer s.

Pontic or the artificial crown derives its name from a latin word pons which means bridge. All metal hygienic pontic fabrication 53. Allow for complete coverage of the metal by the porcelain. Provide for a rigid restoration.

D provide adequate embrasure spaces. Allow for complete coverage of the metal by the porcelain. Pontic serves to restore the mastication speech to maintain tooth relationships both interarch and intra arch and also to satisfy patients esthetic and psychological needs by eliminating the space in dentition. Selection criteria for pontic and pontic designs.

According to some experiments it seems as if a somewhat higher difference up to 0 75 10 6 c can be used without the risk of cracks or fractures in the ceramic. Pontic design for a porcelain fused to metal bridge should 1. A metal ceramic pontic must fulfill certain requirements. A metal ceramic posterior fixed partial denture pontic should a be constructed to have an occlusal surface one quarter the width of the tooth it replaces.

Provide for a rigid restoration. C cover as much mucosa as possible. Place the porcelain metal joint away from the soft tissues. Pontic design for a metal ceramic bridge should 1.

Fixed movable bridges have a major retainer at one end of the pontic. For resin bonded bridges the pontic should have light contact in intercuspal position icp. 1 2 3 all of the above. Evidence to support or refute the effectiveness of ceramic materials for fixed prosthodontic treatment over metal ceramic.

Each part of the bridge should be designed individually but within the context of the overall design. All metal hygienic pontic fabrication 55. However wherever possible the maximum thickness of metal should be used commensurate with the maintenance of gingival health. The components of a bridge are retainers pontics and connectors.

Control thermal conductivity 4 only all of the above 1 2 3 1 and 3 2 and 4. Place the porcelain metal joint away from the soft tissues. B be constructed to have an occlusal surface wider than the width of the tooth it replaces. Minimum thickness of connector for the posterior bridge should be 2 5 mm occluso gingivally and 2 5 mm bucco lingually.

This design of bridge has been superseded. The pontic is firmly attached to a retainer at one end of. All metal hygienic pontic fabrication 52.