Hippo teeth are not to be underestimated. I mean, have you seen them? They chomp through entire pumpkins like it’s no big deal. So how on Earth do you go about it when those sharp ol’ chompers need a bit of extra help to stay clean? The rest of this article is behind a paywall. Please sign in or subscribe to access the full content.

Calgary Zoo has some answers for us. Its resident male hippo, Lobi, needs daily dental care, as his lower canines are susceptible to gingivitis, a mild form of gum disease that can cause redness, soreness, swelling, and bleeding.

To stop that from happening, keepers first spray water into Lobi’s mouth to get rid of any debris. Then they get going with the electric toothbrush, which is surprisingly human-sized. “This toothbrush helps the team reach in close

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