interdental

adj

Pertaining to the space between the teeth. / (phonetics) Pronounced with the tongue between the top and bottom teeth.

She uses interdental brushes to clean between her teeth.

意味（1）

Pertaining to the space between the teeth.

It is recommended to use an interdental brush, or dental floss, to clean between the teeth.

意味（2）

(phonetics) Pronounced with the tongue between the top and bottom teeth.