Beaver incisor enamel has an average thickness of 0.29 millimeters.
- Teeth of beavers are orange. Beavers have lengthy incisors that are orange in color thanks to an enamel protective layer that contains a lot of iron.
- Despite the fact that they are used every day, their teeth continue to grow throughout their lives.
- Due to a firm orange enamel on the front of the tooth and a softer dentin on the back, their four front teeth (incisors) self-sharpen.
- Therefore, as beavers chew wood, the tooth's softer back side degrades more quickly, forming a cutting surface like to a chisel.
- Their teeth have unique enamel that contains iron, making it stronger and giving it an orange color.
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