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Horses can be aged by their teeth. At 2 and a half the first permanent incisor will erupt; At 3 and a half the second permanent incisor will erupt and at 4 and a half the third permanent incisor will erupt. Over 5 years of age the folding of the enamel ring ('''infundibulum''') can indicate age. There is a 7 year hook and over 13 years of age a '''dental star''' will be present.
 
Horses can be aged by their teeth. At 2 and a half the first permanent incisor will erupt; At 3 and a half the second permanent incisor will erupt and at 4 and a half the third permanent incisor will erupt. Over 5 years of age the folding of the enamel ring ('''infundibulum''') can indicate age. There is a 7 year hook and over 13 years of age a '''dental star''' will be present.
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The Galvayne's Groove is a brown groove on the upper corner incisor teeth and indicates that the horse is over 10 years old
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The '''Galvayne's Groove''' is a brown groove on the upper corner incisor teeth and indicates that the horse is over 10 years old. At 15 the groove will be approximately half way down the tooth; At 20 the groove will run down the whole tooth; Over 20 the grove begins to disappear; At 25 the groove will only be visible on the bottom half of the tooth. At 30 the groove will usually be gone.
**At 15 the groove will be approximately half way down the tooth
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**At 20 the groove will run down the whole tooth
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**Over 20 the grove begins to disappear
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**At 25 the groove will only be visible on the bottom half of the tooth
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**At 30 the groove will usually be gone
      
[[Category:Teeth - Anatomy & Physiology]]
 
[[Category:Teeth - Anatomy & Physiology]]
 
[[Category:Horse - Alimentary System]]
 
[[Category:Horse - Alimentary System]]
 
[[Category:To Do - AimeeHicks]]
 
[[Category:To Do - AimeeHicks]]
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