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Mucosal (gum) flap

In some rabbits with advanced dental disease where the crowns of either the upper or lower teeth are short so they do not meet correctly, a gap can form between the teeth and a flap of mucosa may form (arrow). This flap can catch between the teeth and become ulcerated and sore. In this rabbit, there was also an inflamed area on the inside of the cheek that was associated with an abscess resulting from a penetrating injury from a dental burr. The crowns of the teeth had been taken down to gum level.
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