Why does orange juice taste bad after you brush your teeth?

By: Linda Bartoshuk, George Washington University, The Conversation

Outlets: The Conversation

Published: January 5, 2026

Words: 1,042

Last Updated: 3 days, 14 hours ago

By Linda Bartoshuk, George Washington University

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to CuriousKidsUS@theconversation.com.

Why does orange juice taste bad after you brush your teeth? – Seth G., age 10, Bloomington, Indiana

It’s a mistake you hopefully only make once. In your morning rush to get ready, you brush your teeth before you head …

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