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2. Crown-to-root ratio - Wikipedia

   en.wikipedia.org/wiki/Crown-to-root_ratio

   These terms can also be used to refer to the clinical sense of the words, as relative crown and relative root, by describing how much tooth remains surrounded by bone.As the inflammation associated with periodontal disease causes the bone to resorb and disappear, revealing more of the root structure, the effective crown height in relation to the effective root height is reduced and the ...

3. Crown (dental restoration) - Wikipedia

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

   In dentistry, a crown or a dental cap is a type of dental restoration that completely caps or encircles a tooth or dental implant. 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.

4. CAD/CAM dentistry - Wikipedia

   en.wikipedia.org/wiki/CAD/CAM_dentistry

   Chrome-cobalt disc with bridges and crowns manufactured using WorkNC Dental CAD/CAM. CAD/CAM dentistry is a field of dentistry and prosthodontics using CAD/CAM (computer-aided-design and computer-aided-manufacturing) to improve the design and creation of dental restorations, [1] [2] especially dental prostheses, including crowns, crown lays, veneers, inlays and onlays, fixed dental prostheses ...

5. 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 ...

6. Pivot tooth - Wikipedia

   en.wikipedia.org/wiki/Pivot_tooth

   Pivot tooth with a ferrule. The pivot tooth [1] [2] is a fixed dental prosthesis used to rebuild a tooth.It is a type of crown-root foundation [], but it is an independent supplement and usually consists of a pin or peg and a full crown [3] permanently connected (i.e., without cement) and placed in the patient's oral cavity during a single visit. [4]

7. 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 ...