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Fabrication of Provisional Crowns and Bridges

Cynthia M. Cleveland, CDA; Angela D. Allen; Niki Henson, RDA, AS

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A posterior tooth can be protected by an aluminum provisional crown.  These are available in a wide range of sizes.  Always remember that crowns tried and not used must be sterilized before reuse.  You may need to use a millimeter ruler to determine the size, measuring the mesial-to-distal distance.

Table 7. Steps Using an Aluminum Shell

Hint

  • If you don’t reline the aluminum crown with acrylic, cement it using IRM or Zinc Oxide Eugenol (ZOE).
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