Pontic Design For Metal Ceramic Bridge Should Quizzn

Learn about the types of dental bridges including traditional cantilever maryland and implant supported.

Pontic design for metal ceramic bridge should quizzn.

Place the porcelain metal joint away from the soft tissues. 2 and 4 4 only 1 and 3. Evidence to support or refute the effectiveness of ceramic materials for fixed prosthodontic treatment over metal ceramic. 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.

A metal ceramic pontic must fulfill certain requirements. The components of a bridge are retainers pontics and connectors. 1 2 3 all of the above. Pontic design for a porcelain fused to metal bridge should 1.

All metal hygienic pontic fabrication 52. Retainers major or minor fixed fixed cantilever and spring cantilever bridges have only major retainer s. Allow for complete coverage of the metal by the porcelain. C cover as much mucosa as possible.

All metal hygienic pontic fabrication 54. All metal hygienic pontic fabrication 55. D provide adequate embrasure spaces. All metal hygienic pontic fabrication 53.

Pontic or the artificial crown derives its name from a latin word pons which means bridge. Provide for a rigid restoration. Provide for a rigid restoration. 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.

For resin bonded bridges the pontic should have light contact in intercuspal position icp. This design of bridge has been superseded. Place the porcelain metal joint away from the soft tissues. Fixed movable bridges have a major retainer at one end of the pontic.

Selection criteria for pontic and pontic designs. Each part of the bridge should be designed individually but within the context of the overall design. Dental bridges are used to hide the gap a missing tooth leaves behind. 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.

The pontic is firmly attached to a retainer at one end of. Metal ceramic pontics requirements adequate bulk of metal uniform thickness of porcelain continuous strip of metal on lingual surface 56. B be constructed to have an occlusal surface wider than the width of the tooth it replaces. It must be easily cleaned.

Allow for complete coverage of the metal by the porcelain. Minimum thickness of connector for the posterior bridge should be 2 5 mm occluso gingivally and 2 5 mm bucco lingually. However wherever possible the maximum thickness of metal should be used commensurate with the maintenance of gingival health.