oral irrigator
US /ˈɔːrəl ˈɪrɪɡeɪtər/
UK /ˈɔːrəl ˈɪrɪɡeɪtər/
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 an oral irrigator for better gum health.
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Using an oral irrigator can help prevent gum disease.