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Denticles, also called serrations, are small bumps on a tooth that serve to give the tooth a serrated edge. In paleontology, denticle characteristics such as size and density are used to describe and classify fossilized teeth, especially those of dinosaurs. Denticles are also present on the teeth of varanoid lizards, sharks, and mammals.
Dromaeosauridae tooth with small denticles along the cutting edge. Scale bars are 1 mm.
Ankylosaurus tooth with large denticles.
Segnosaurus dentition featuring a triple row of denticles.
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