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I recently landed a volunteer position in the collections of the Canadian
Museum of Nature, and one of the tasks I was assigned involved looking
through the collections for material from the Edmonton Group. One of the
pieces I happened upon while browsing was a set of maxillary bones from
_Daspletosaurus torosus_. While I was having a look at these bones, Dr.
Holmes, who was there with me at the time, commented on these sort of
"plates" that lined the inside edge of the maxilla, between the teeth.
Since he didn't quite have an answer from them (theropods aren't his
specialty), I was just wondering if anyone here knew what these "tooth
plates" were used for, or how they funtioned. I've got pictures of the
structures, if need be.
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