water flosser
US /ˈwɑː.tər ˌflɑː.sər/
UK /ˈwɑː.tər ˌflɑː.sər/
1.
a device that uses a stream of water to remove food particles and plaque from between teeth and below the gumline
:
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My dentist recommended I use a water flosser for better gum health.
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A water flosser can be a good alternative for those who find traditional flossing difficult.