Tooth resorption

  • X-ray
  • Cat
  • Head and brain
  • Teeth
  • Finding

Findings are Pro only. Every normal study is free; Pro opens each finding beside its normal.

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What to look for

  • The left mandibular third premolar (307 in the Triadan system) is being resorbed
  • Its roots fade into the bone around them, and the crown has lost its outline
  • Common and painful in cats, and seen only on X-ray below the gum; this tooth was extracted

Against the normal

Read the teeth in order, each against its neighbour and the opposite side: the root, the space around it, and the bone of the jaw.

Source: Corak80, “Feline tooth resorption – dental radiograph of the left mandibular third premolar (307)”, Wikimedia Commons. CC BY-SA 4.0. For learning: not a diagnostic service.

Read the film, then see the anatomy in 3D.

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