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==Introduction==
 
==Introduction==
 
The normal colour of teeth varies and depends on the shade, translucency and thickness of the [[Enamel Organ#Enamel|enamel]].  
 
The normal colour of teeth varies and depends on the shade, translucency and thickness of the [[Enamel Organ#Enamel|enamel]].  
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Teeth can discolour following trauma to the tooth. <font color="red">(picE4)</font color>. It can be any colour from pink to black, resulting from the haemoglobin breakdown products settling in the dentinal tubules. Studies show that 92% of discoloured teeth have irreversible pulpitis. The pulp may then get secondary infected by anachoresis.
    
There are two basic kinds of discolouration:
 
There are two basic kinds of discolouration:
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[[Category:Dental Diseases - Cat]]
 
[[Category:Dental Diseases - Cat]]
 
[[Category:Dental Diseases - Dog]]
 
[[Category:Dental Diseases - Dog]]
[[Category:Expert Review]]
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[[Category:LisaM reviewing]]
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[[Category:To Do - Dentistry Images]]
 
[[Category:Endodontic Conditions]]
 
[[Category:Endodontic Conditions]]
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