Looks like McDonalds are cutting corners, and not grinding dead bodies up fine enough?
https://www.thesun.co.uk/news/6978858/mcdonalds-teeth-in-mcmuffin/
McDonald’s sorry after customer found ‘fragments of human teeth’ in his McMuffin | The Sun
The white fragments have been sent away for analysis and an investigation launched after the alleged find in Japan
https://www.thesun.co.uk/news/6978858/mcdonalds-teeth-in-mcmuffin/🤢😡🤬🤮