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2. Crown (dental restoration) - Wikipedia

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

   A crown may be needed when a large dental cavity threatens the health of a tooth. Some dentists will also finish root canal treatment by covering the exposed tooth with a crown. [1] A crown is typically bonded to the tooth by dental cement. They can be made from various materials, which are usually fabricated using indirect methods. Crowns are ...

3. Crown lengthening - Wikipedia

   en.wikipedia.org/wiki/Crown_lengthening

   Replacement of unaesthetic crowns on the upper central teeth after undergoing crown lengthening and fabrication of new restorations. Crown lengthening is often done in conjunction with a few other expensive and time-consuming dental procedures (e.g. post and core, endodontic treatment) with the ultimate goal of saving the tooth. The prognosis ...

4. Crown (tooth) - Wikipedia

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

   Vessels and nerves: :25. dental :26. periodontal :27. alveolar through channel. In dentistry, crown refers to the anatomical area of teeth, usually covered by enamel. The crown is usually visible in the mouth after developing below the gingiva and then erupting into place. If part of the tooth gets chipped or broken, a dentist can apply an ...

5. Tooth resorption - Wikipedia

   en.wikipedia.org/wiki/Tooth_resorption

   Dental crowns, tooth extraction, gum surgery Resorption of the root of the tooth , or root resorption , is the progressive loss of dentin and cementum by the action of odontoclasts . [ 4 ] Root resorption is a normal physiological process that occurs in the exfoliation of the primary dentition .

6. Dental restoration - Wikipedia

   en.wikipedia.org/wiki/Dental_restoration

   Dental composites are also used as indirect restoration to make crowns and inlays in the laboratory. These materials are similar to those used in direct fillings and are tooth-colored. Their strength and durability is not as high as porcelain or metal restorations and they are more prone to wear and discolouration.

7. Fixed prosthodontics - Wikipedia

   en.wikipedia.org/wiki/Fixed_prosthodontics

   If porcelain is to be applied to the gold crown, an additional minimum of 1 mm of tooth structure needs to be removed to allow for a sufficient thickness of the porcelain to be applied, thus bringing the total tooth reduction to minimally 1.5 mm. For porcelain or ceramic crowns the amount of tooth reduction is 2 mm. For metal, it is 1 mm.