Pontic Design For Metal Ceramic Bridge Should Quizzn

The pontic is firmly attached to a retainer at one end of.

Pontic design for metal ceramic bridge should quizzn.

Retainers major or minor fixed fixed cantilever and spring cantilever bridges have only major retainer s. 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. Dental bridges are used to hide the gap a missing tooth leaves behind.

Place the porcelain metal joint away from the soft tissues. All metal hygienic pontic fabrication 52. 1 2 3 all of the above. Fixed movable bridges have a major retainer at one end of the pontic.

However wherever possible the maximum thickness of metal should be used commensurate with the maintenance of gingival health. Each part of the bridge should be designed individually but within the context of the overall design. Control thermal conductivity 4 only all of the above 1 2 3 1 and 3 2 and 4. Selection criteria for pontic and pontic designs.

This design of bridge has been superseded. For resin bonded bridges the pontic should have light contact in intercuspal position icp. Allow for complete coverage of the metal by the porcelain. Provide for a rigid restoration.

Learn about the types of dental bridges including traditional cantilever maryland and implant supported. C cover as much mucosa as possible. 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.

Allow for complete coverage of the metal by the porcelain. It must be easily cleaned. 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. Minimum thickness of connector for the posterior bridge should be 2 5 mm occluso gingivally and 2 5 mm bucco lingually.

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

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

Metal ceramic pontics requirements adequate bulk of metal uniform thickness of porcelain continuous strip of metal on lingual surface 56. Pontic design for a metal ceramic bridge should 1. A metal ceramic pontic must fulfill certain requirements.