Could there be more than lunch lurking on your retainer?

Insufficient cleaning could allow build-up of microbes on orthodontic retainers, researchers at the UCL Eastman Dental Institute have found. Dr Jonathan Pratten and colleagues looked at the types of microbes which live on retainers. This study, which found potentially pathogenic microbes growing on at least 50% of the retainers, is published today in the Society for Applied Microbiology's journal Letters in Applied Microbiology and could indicate a need for the development of improved cleaning products for orthodontic retainers.

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