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1. Oxford American Dictionary

   dental hygienist

   • IPA[ˈdɛn(t)l ˈˌhaɪˈˌdʒinɪst]

   美式

   • n.
     an ancillary dental worker specializing in scaling and polishing teeth and in giving advice on cleaning the teeth.

   • noun: dental hygienist, plural noun: dental hygienists