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Also known as: '''''Congenital Pink Tooth — Porphyria

| Also known as:

| '''Congenital Pink Tooth'''<br>

'''Porphyria'''

==Description==

==Description==

==Diagnosis==

==Diagnosis==

===Clinical Signs===

===Clinical Signs===

The deposition of haem degradation products in the [[Oral Cavity - Teeth & Gingiva - Anatomy & Physiology|teeth]] results in red/pink discolouration, hence the name '''pink tooth'''.

The deposition of haem degradation products in the [[:Category:Teeth - Anatomy & Physiology|teeth]] results in red/pink discolouration, hence the name '''pink tooth'''.

The pigment products which are deposited in the skin cause secondary [[Photosensitisation|'''photosensitisation''']].  This manifests as a crusting dermatitis in non-pigmented areas of the skin which are exposed to sunlight.  Cattle are often affected over their face, around their eyes and over any white patches of the body.

The pigment products which are deposited in the skin cause secondary [[Photosensitisation|'''photosensitisation''']].  This manifests as a crusting dermatitis in non-pigmented areas of the skin which are exposed to sunlight.  Cattle are often affected over their face, around their eyes and over any white patches of the body.