Pontic Design For Metal Ceramic Bridge Should Quizzn

Dental bridges are used to hide the gap a missing tooth leaves behind.

Pontic design for metal ceramic bridge should quizzn.

Metal ceramic pontics requirements adequate bulk of metal uniform thickness of porcelain continuous strip of metal on lingual surface 56. 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. Selection criteria for pontic and pontic designs. Provide for a rigid restoration.

Fixed movable bridges have a major retainer at one end of the pontic. It must be easily cleaned. The pontic is firmly attached to a retainer at one end of. All metal hygienic pontic fabrication 52.

1 2 3 all of the above. Provide for a rigid restoration. Control thermal conductivity 4 only all of the above 1 2 3 1 and 3 2 and 4. 2 and 4 4 only 1 and 3.

For resin bonded bridges the pontic should have light contact in intercuspal position icp. This design of bridge has been superseded. The components of a bridge are retainers pontics and connectors. 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.

All metal hygienic pontic fabrication 55. Each part of the bridge should be designed individually but within the context of the overall design. Evidence to support or refute the effectiveness of ceramic materials for fixed prosthodontic treatment over metal ceramic. B be constructed to have an occlusal surface wider than the width of the tooth it replaces.

All metal hygienic pontic fabrication 53. Place the porcelain metal joint away from the soft tissues. Allow for complete coverage of the metal by the porcelain. D provide adequate embrasure spaces.

However wherever possible the maximum thickness of metal should be used commensurate with the maintenance of gingival health. Learn about the types of dental bridges including traditional cantilever maryland and implant supported. All metal hygienic pontic fabrication 54. Place the porcelain metal joint away from the soft tissues.

Pontic or the artificial crown derives its name from a latin word pons which means bridge. 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. Pontic design for a porcelain fused to metal bridge should 1. Pontic design for a metal ceramic bridge should 1.

Allow for complete coverage of the metal by the porcelain. Retainers major or minor fixed fixed cantilever and spring cantilever bridges have only major retainer s. 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.