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2. Dental impression - Wikipedia

   en.wikipedia.org/wiki/Dental_impression

   A special tray is an impression tray custom made for an individual patient by a denturist (dental technician), usually made from acrylic, such as polymethyl methacrylate, or shellac. A stock tray is used to make a preliminary impression, from which a model can be cast.

3. Complete dentures - Wikipedia

   en.wikipedia.org/wiki/Complete_dentures

   The primary (or preliminary) impressions, taken using a stock tray (preformed) and a suitable impression material, are used to construct special trays. Special trays are made in either acrylic or shellac [14] and have a shape that corresponds to the shape of the mucosa of the individual patient. This way, it is ensured that during secondary (or ...

4. Dental material - Wikipedia

   en.wikipedia.org/wiki/Dental_material

   Impression materials are designed to be liquid or semi-solid when first mixed, then set hard in a few minutes, leaving imprints of oral structures. Common dental impression materials include sodium alginate, polyether and silicones. Historically, plaster of Paris, zinc oxide eugenol and agar were used.

5. Zinc oxide eugenol - Wikipedia

   en.wikipedia.org/wiki/Zinc_oxide_eugenol

   Zinc oxide eugenol is also used as an impression material during construction of complete dentures and is used in the mucostatic technique of taking impressions, usually in a special tray, (acrylic) produced after primary alginate impressions. However, ZOE is not usually used if the patient has large undercuts or tuberosities, whereby silicone ...

6. Tray - Wikipedia

   en.wikipedia.org/wiki/Tray

   A darkroom tray, also known as print developing tray, is used in photography. A dental impression tray is a receptacle or device that is used to carry impression material to the mouth, confine the material in apposition to the surfaces to be recorded, and control the impression material while it sets to form the impression.

7. Digital dentistry - Wikipedia

   en.wikipedia.org/wiki/Digital_dentistry

   Conventional dental impressions are made by placing an impression material loaded on an impression tray over the dental arches. As it sets a negative imprint of the soft and hard tissues in the mouth.