Editing Human tooth (section)

====Abnormality in shape====
[[File:Milk.teeth.fusion.jpg|thumb|The fusion of two deciduous teeth]]
* [[Tooth Gemination|Gemination]] occurs when a developing tooth incompletely splits into the formation of two teeth.
* [[Tooth fusion|Fusion]] is the union of two adjacent teeth during development.
* [[Concrescence]] is the fusion of two separate teeth only in their cementum.
* Accessory [[Cusp (dentistry)|cusps]] are additional cusps on a tooth and may manifest as a [[Talon cusp]], [[Cusp of Carabelli]], or [[Dens evaginatus]].
* [[Dens invaginatus]], also called Dens in dente, is a deep invagination in a tooth causing the appearance of a tooth within a tooth.
* [[Ectopic enamel]] is enamel found in an unusual location, such as the root of a tooth.
* [[Taurodontism]] is a condition where the body of the tooth and pulp chamber is enlarged, and is associated with [[Klinefelter syndrome]], [[Tricho-dento-osseous syndrome]], [[Triple X syndrome]], and [[XYY syndrome]].<ref name = "neville85"/>
* [[Hypercementosis]] is excessive formation of cementum, which may result from trauma, inflammation, [[acromegaly]], [[rheumatic fever]], and [[Paget's disease of bone]].<ref name="neville85">{{harvnb|Neville|2002|page=85}}</ref>
* A [[dilaceration]] is a bend in the root which may have been caused by trauma to the tooth during formation.
* [[Supernumerary roots]] is the presence of a greater number of roots on a tooth than expected