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clock-iconPUBLISHEDMay 26, 2025
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IFLScience We Have Questions: Why Don’t Animals Have To Brush Their Teeth?

Find out what it’s really like doing dentistry on non-human species.

Rachael Funnell headshot

Rachael Funnell

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.

Senior Science Writer

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.

View full profile
Episode 9 of IFLScience We Have Questions

Episode 9 of We Have Questions.

Image credit: Bozena Fulawka/HappyPictures/Nattapol_Sritongcom/smrm1977/SvgOcean/Shutterstock.com; modified by IFLScience

Wake up? Brush your teeth. Going to bed? Brush your teeth. The dental routine of being a human can be a bit monotonous, but it’s an important step towards maintaining a happy mouth. It can be slightly baffling, then, to spot a photo of a bonobo with a seemingly perfect grin. How are wild animals getting away with it as we dutifully march off to our next dental hygienist appointment? Why don’t animals have to brush their teeth? 

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It's a question that led us to the office of Peter Kertesz, who, as well as seeing human patients, is Dental Consultant to ZSL London Zoo and numerous other wildlife establishments around the world. A quick glance at his website shows Kertesz tending to the teeth of everything from elephants to tigers and dolphins with the help of dental nurse Monika Mazurkiewicz. 

We sat down with Kertesz to find out more about what it’s really like doing dentistry on non-human species, and why their days aren’t bookended by scrubbing their mouth bones.

You can listen to this episode and subscribe to the podcast on all your favorite podcast apps: Apple Podcasts, Spotify, Podbean, Amazon Music, and more.

This interview first appeared in Issue 28 of our digital magazine CURIOUS.


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