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2. Dental impression - Wikipedia

   en.wikipedia.org/wiki/Dental_impression

   A 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. It is made by placing an appropriate material in a dental impression tray which is designed to roughly fit over the dental arches.

3. Dental material - Wikipedia

   en.wikipedia.org/wiki/Dental_material

   Acrylics are used in the fabrication of dentures, artificial teeth, impression trays, maxillofacial / orthodontic appliances and temporary (provisional) restorations. They cannot be used as tooth filling materials because they can lead to pulpitis and periodontitis , as they may generate heat and acids during setting, and in addition they shrink.

4. 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.

5. Digital dentistry - Wikipedia

   en.wikipedia.org/wiki/Digital_dentistry

   Between the direct and indirect, the direct digital impression technique was statistically more accurate, they showed significantly better inter-proximal contact. [6] The entire process proved to be more time efficient for both the dentist and patient in comparison with conventional methods or taking impressions with silicone impressions and ...

6. 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 ...

7. Polyvinyl siloxane - Wikipedia

   en.wikipedia.org/wiki/Polyvinyl_siloxane

   It is also used in other contexts where an impression similar to a dental impression is needed, such as in audiology (to take ear impressions for fitting custom hearing protection or hearing aids [2]) or in industrial applications (such as to aid in the inspection of interior features of machined parts, for example, internal grooves inside ...