noun, noun which may take the genitive case particle 'no'
interdental space; space between teeth
Refers to the gap or area between adjacent teeth. Often used in dental contexts or when discussing oral hygiene.
Dental floss is effective for cleaning between the teeth.
歯間ブラシを使うと、歯間の汚れがよく取れます。
Using an interdental brush removes debris from between the teeth well.
interdental brush
Compound of 歯 (tooth) and 間 (space, interval).