*Abnormal numbers of [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|teeth]] can vary from total lack (anodontia), to too few (oligodontia), to increased numbers (polyodontia).
+
*Abnormal numbers of [[:Category:Teeth - Anatomy & Physiology|teeth]] can vary from total lack (anodontia), to too few (oligodontia), to increased numbers (polyodontia).
[[Image:oligodontia.gif|right|thumb|75px|<small><center>Oligodentia (Courtesy of Alun Williams (RVC))</center></small>]]
[[Image:oligodontia.gif|right|thumb|75px|<small><center>Oligodentia (Courtesy of Alun Williams (RVC))</center></small>]]