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2. Dental impression - Wikipedia

   en.wikipedia.org/wiki/Dental_impression

   As the impression material is very similar to the casting material to be used, it requires the incorporation of a separating medium (e.g. sodium alginate) to aid in separating the cast from the impression. If a special tray is to be used, impression plaster requires 1–1.5mm spacing for adequate thickness. Advantages: [2] Hydrophilic

3. 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.

4. Inlays and onlays - Wikipedia

   en.wikipedia.org/wiki/Inlays_and_onlays

   Structure of dental inlays and onlays In dentistry, inlays and onlays are used to fill cavities, [ 1 ] and then cemented in place in the tooth . This is an alternative to a direct restoration , made out of composite, amalgam or glass ionomer , that is built up within the mouth.

5. Crown (dental restoration) - Wikipedia

   en.wikipedia.org/wiki/Crown_(dental_restoration)

   Crowns are used to improve the strength or appearance of teeth and to halt deterioration. While beneficial to dental health, the procedure and materials can be costly. The most common method of crowning a tooth involves taking a dental impression of a tooth prepared by a dentist, then fabricating the crown outside of the mouth. The crown can ...

6. Dental composite - Wikipedia

   en.wikipedia.org/wiki/Dental_composite

   Longer time in the dental chair may test the patience of children, making the procedure more difficult for the dentist. Due to the longer time involved, the fee charged by a dentist for a composite restoration may be higher than for an amalgam restoration. [18] Costs: Composite restoration cases generally have limited insurance coverage.

7. Dental instrument - Wikipedia

   en.wikipedia.org/wiki/Dental_instrument

   The cutting surfaces of dental burs are made of a multi-fluted tungsten carbide, a diamond-coated tip, or a stainless steel multi-fluted rosehead. There are many types and classifications of burs. Some of the most common are the round bur (sizes ¼ to 10) or inverted cone (sizes 33½ to 90L). Burs are also classified by: