Việt
rãnh giữa hai răng
Anh
tooth space
gash
Đức
Zahnlücke
Lücke
Pháp
entre-dents
espace interdentaire
gash,tooth space /ENG-MECHANICAL/
[DE] Lücke; Zahnlücke
[EN] gash; tooth space
[FR] entre-dents; espace interdentaire