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2. Enamel fracture - Wikipedia

   en.wikipedia.org/wiki/Enamel_fracture

   In cases of a simple enamel fracture, the recommended approach is to reattach the broken tooth fragment, if it is possible. [4] Following reattachment, smoothing of the edges is undertaken. [ 4 ] [ 1 ] Depending on the extent of the fractured portion, a choice is made between a glass ionomer or permanent restoration, such as composite resin ...

3. 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]

4. Crown (dental restoration) - Wikipedia

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

   Crown used as part of implant restoration. Crowns are indicated to: [2] [3] [4] Replace existing crowns which have failed. Restore the form, function and appearance of badly broken down, worn or fractured teeth, where other simpler forms of restorations are unsuitable or have been found to fail clinically.

5. Dental trauma - Wikipedia

   en.wikipedia.org/wiki/Dental_trauma

   If a tooth is avulsed, make sure it is a permanent tooth (primary teeth should not be replanted, and instead the injury site should be cleaned to allow the adult tooth to begin to erupt). Reassure the patient and keep them calm. If the tooth can be found, pick it up by the crown (the white part). Avoid touching the root part.

6. Dental emergency - Wikipedia

   en.wikipedia.org/wiki/Dental_emergency

   Crowns can become broken by a fracture, non-retentive preparation, secondary caries, weak cement, excessive occlusal forces, decementation or loosening of the crown. [8] The consequences of a crown becoming loose include the risk of ingestion and less likely, inhalation.

7. Vertical root fracture - Wikipedia

   en.wikipedia.org/wiki/Vertical_root_fracture

   Vertical root fractures represent between 2 and 5 percent of crown/root fractures. The greatest incidence occurs in endodontically treated teeth, and in patients older than 40 years of age. The occurrence of a complete vertical root fracture is often catastrophic for the individual tooth as tooth extraction is usually the only reasonable treatment.