Pontic Design For Metal Ceramic Bridge Should Quizzn

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

Pontic design for metal ceramic bridge should quizzn.

All metal hygienic pontic fabrication 53. Place the porcelain metal joint away from the soft tissues. Pontic design for a metal ceramic bridge should 1. Each part of the bridge should be designed individually but within the context of the overall design.

This design of bridge has been superseded. Control thermal conductivity 4 only all of the above 1 2 3 1 and 3 2 and 4. Evidence to support or refute the effectiveness of ceramic materials for fixed prosthodontic treatment over metal ceramic. 2 and 4 4 only 1 and 3.

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. Learn about the types of dental bridges including traditional cantilever maryland and implant supported. Minimum thickness of connector for the posterior bridge should be 2 5 mm occluso gingivally and 2 5 mm bucco lingually. For resin bonded bridges the pontic should have light contact in intercuspal position icp.

D provide adequate embrasure spaces. All metal hygienic pontic fabrication 55. 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. The pontic is firmly attached to a retainer at one end of.

Allow for complete coverage of the metal by the porcelain. Pontic design for a porcelain fused to metal bridge should 1. A metal ceramic pontic must fulfill certain requirements. B be constructed to have an occlusal surface wider than the width of the tooth it replaces.

All metal hygienic pontic fabrication 52. All metal hygienic pontic fabrication 54. 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. Metal ceramic pontics requirements adequate bulk of metal uniform thickness of porcelain continuous strip of metal on lingual surface 56.

However wherever possible the maximum thickness of metal should be used commensurate with the maintenance of gingival health. C cover as much mucosa as possible. The components of a bridge are retainers pontics and connectors. Fixed movable bridges have a major retainer at one end of the pontic.

1 2 3 all of the above. Provide for a rigid restoration. It must be easily cleaned. 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. Place the porcelain metal joint away from the soft tissues. Dental bridges are used to hide the gap a missing tooth leaves behind.