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== Introduction ==
 
== Introduction ==
 
[[Image:enamal-hypoplasia.gif|right|thumb|125px|<small>Enamal (Courtesy of Alun Williams (RVC))<center></center></small>]]
 
[[Image:enamal-hypoplasia.gif|right|thumb|125px|<small>Enamal (Courtesy of Alun Williams (RVC))<center></center></small>]]
This condition is a consequence of abnormalities occurring during the period of [[Tooth Eruption|tooth eruption]]. It involves damage to [[Enamel Organ#Ameloblasts|ameloblasts]] (which form [[Enamel Organ#Enamel|enamel]]) prior to eruption, which upsets permanent incisor formation. The [[Enamel Organ#Enamel|enamel]] is marked by pits and lines etc.
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In ruminants, damage to [[Enamel Organ#Enamel|enamel]] formation is most often caused by fluoride poisoning and is seen in cattle grazing on pasture contaminated by cement works effluent.
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See Enamel Dysplasia
 
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In dogs, hypoplasia may occur following a [[Canine Distemper Virus]] (CDV) infection during tooth development. This is a very severe systemic disease seen early in life or in utero in dogs.
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Hypoplasia may also occur in single teeth following damage to the permanent tooth germ, for example if a deciduous tooth is fractured or extracted without care. The damaged ameloblasts will fail to form enamel and abnormalities will be evident.
      
== Clinical Signs ==
 
== Clinical Signs ==
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