Which brand holds the Guinness World Record for the 'Most people brushing their teeth simultaneously at a single venue'?

The Guinness World Records has been documenting extraordinary achievements since 1955, but did you know that many famous brands have set or broken world records? From massive product displays to consumer participation events, companies have used record attempts as marketing tools. This trivia tests your knowledge about the intersection of famous products and world record achievements.

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Colgate
Oral-B
Crest
Sensodyne