New study of T. rex and other dinosaur teeth provides insights into their dietary habits. Scratches on dinosaur teeth could uncover their true diet. Researchers have employed dental microwear texture analysis (DMTA) for the first time to deduce the feeding habits of large theropods, such as Allosau
in Germany, have used dental microwear texture analysis , a scanning technique to examine topographical dental wear and tear in microscopic detail, on individual dinosaur teeth from more than 100 million years ago to better understand what they may have eaten.
Blue silicon was carefully excreted from a tube onto the teeth and left to dry for a few minutes to create near-perfect replicas, which were removed and taken from the museum in the U.S. city of Salt Lake City, Utah, to Japan for further study. Credit: 2022 D. E. Winkler “We actually started dental microwear research of dinosaurs in 2010,” said Lecturer Mugino Kubo from the Graduate School of Frontier Sciences. “My husband, Dr. Tai Kubo, and I had started collecting dental molds of dinosaurs and their contemporaries in North and South Americas, Europe, and of course Asia. Since Daniela joined my lab, we utilized these molds to make a broader comparison among carnivorous dinosaurs.
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