maxillofacial prosthetics (prosthetic rehabilitation of intra-oral and extra-oral defects due to trauma, congenital defects, and surgical resection of tumors).Wax mock up of crowns on a cast made from an impression to make impressions of teeth which have been prepared to receive indirect extracoronal restorations such as crowns, bridges, inlays and onlays) prosthodontics (such as making dentures).Impressions, and the study models, are used in several areas of dentistry including: This leaves an imprint of a person's dentition and surrounding structures of the oral cavity.ĭigital impressions using computerized scanning are now available. It then sets to become an elastic solid, which usually takes a few minutes depending upon the material. The impression material is liquid or semi-solid when first mixed and placed in the mouth. It is made by placing an appropriate material in a dental impression tray which is designed to roughly fit over the dental arches. A custom dental model or plaster cast.Ī dental impression is a negative imprint of hard and soft tissues in the mouth from which a positive reproduction, such as a cast or model, can be formed. JSTOR ( March 2018) ( Learn how and when to remove this template message)Īn impression body, made from alginate impression material.Unsourced material may be challenged and removed.įind sources: "Dental impression" – news Please help improve this article by adding citations to reliable sources. This article needs additional citations for verification.
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