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2. Dental impression - Wikipedia

   en.wikipedia.org/wiki/Dental_impression

   An impression body, made from alginate impression material. A custom dental model or plaster cast. 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 ...

3. 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 ...

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. Inlays and onlays - Wikipedia

   en.wikipedia.org/wiki/Inlays_and_onlays

   Patients need to be able to cope with dental impressions as these are required for the fabrication of the indirect restoration. Development of digital impression systems including Lava Chairside oral scanner by 3M, Sirona's CEREC and Cadent iTero System could help patients receive treatment if the contraindication is being unable to withstand ...

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. Post and core - Wikipedia

   en.wikipedia.org/wiki/Post_and_core

   A light bodied addition silicone material is syringed in the orifice and around the prep ensuring the prep is completely covered, before a heavier bodied addition silicone material in a stock tray is seated over the prep to make the impression of the full arch; Once set the impression should be removed with the post embedded in-situ