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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>]]
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This condition is a consequence of abnormalities occurring during the period of [[Tooth Development#Eruption|tooth eruption]]. It involves damage to [[Enamel Organ#Ameloblasts|ameloblasts]] (which form [[Enamel Organ#Enamel|enamel]]) in utero, which upsets permanent incisor formation. The [[Enamel Organ#Enamel|enamel]] is marked by pits and lines etc.
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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]]) in utero, which upsets permanent incisor formation. The [[Enamel Organ#Enamel|enamel]] is marked by pits and lines etc.
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.
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.