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A post and core crown is a type of dental restoration required where there is an inadequate amount of sound tooth tissue remaining to retain a conventional crown. A post is cemented into a prepared root canal, which retains a core restoration, which retains the final crown.
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post tooth root posts core canal crown used material fracture space restoration preparation however within retention prefabricated structure use tissue
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Post and core | is a | self-cure acrylic resinThe wall of the canal is lubricated before the self-cure resin is placed within the intra-radicular portion of the canal around the post to ensure it has… | 0.90 | text |
| vertical root fracture.Cast postIn cases where the post space is not a good match for a prefabricated post | instance of | an impression can be taken for the fabrication of a prosthetic crown.Metal prefabricated post systems are being superseded by fibre-reinforced composite resin post systems which… | 0.80 | text |
| a cast post | instance of | an impression can be taken for the fabrication of a prosthetic crown.Metal prefabricated post systems are being superseded by fibre-reinforced composite resin post systems which… | 0.80 | text |
| core can be custom fabricated for the tooth | instance of | an impression can be taken for the fabrication of a prosthetic crown.Metal prefabricated post systems are being superseded by fibre-reinforced composite resin post systems which… | 0.80 | text |
| vertical root fracture | instance of | an impression can be taken for the fabrication of a prosthetic crown.Metal prefabricated post systems are being superseded by fibre-reinforced composite resin post systems which… | 0.80 | text |
| Type IV gold alloy is used | instance of | palladium and silver alloy.Cast metal postsOften a metal alloy | 0.80 | text |
| Type IV gold alloy is used | instance of | Cast metal postsOften a metal alloy | 0.80 | text |
| Post and core | related to Cast post | In | 0.60 | section |
| Post and core | related to Cast post | Duralay | 0.60 | section |
| Post and core | related to Cast post | When | 0.60 | section |
| Post and core | related to Cast post | Alternatively | 0.60 | section |
| Post and core | related to Direct technique | Sources | 0.60 | section |
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