All smiles as teeth brushing record smashed in Nigeria

Last updated at 12:49
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See the children in action.

Children in Nigeria's capital city Lagos have a lot to smile about after they set a new world record for the most people brushing their teeth at the same time.

More than 300,000 students from more than 600 schools took part.

It smashed the previous record set in India in 2007 when 177 thousand people brushed their teeth at once.

It was all about teaching people how important it is to keep your teeth clean!