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A temporary crown (white) on a tooth after endodontic therapy. A temporary crown (provisional crown, interim crown) is a temporary (short-term) crown used in dentistry.Like other interim restorations, it serves until a final (definitive) restoration can be inserted.
Before removing definitive crown restorations it is important to plan for a provisional crown, especially if the crown to be removed is expected to be damaged in the process. This usually involves making an impression of the crown so a temporary can be fabricated chair-side or made by the dental laboratory.
Inlays and onlays are used in molars or premolars, when the tooth has experienced too much damage to support a basic filling, but not so much damage that a crown is necessary. The key comparison between them is the amount and part of the tooth that they cover.
Provisional (or temporary) luting agents are used specifically for inter-appointment fixation of temporary restorations, prior to cementation of a permanent restoration. [20] It is mainly provisional crowns and bridges (fixed partial dentures) that are cemented with eugenol-containing temporary cements, but sometimes they may be used for ...
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Zinc oxide eugenol is a cement commonly used for provisional restorations and root canal obturation. Although classified as non-cariogenic by the US Food and Drug Administration, eugenol is proven to be cytotoxic with the risk of anaphylactic reactions in certain patients.
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