单词gingival crevice
un.: 龈缝
网络: 齿龈缝;牙龈沟
龈缝
Do not loose teeth, gum squeezed out when the gingival crevice is no pus.
不要牙齿松动,挤出口香糖时,牙龈缝隙没有脓。
The utility model has excellent clean effect to the side-gingival crevice of teeth end specially.
特别是对尽头牙边缝有极好的刷净效果。