front interdental spaces 前牙牙间隙
If you have Spaces between teeth, it is best to clean these with an interdental or single-tufted brush.
如果你的牙齿间有缝隙，那最好用牙间刷或者单簇牙刷来刷牙缝。
INDICATIONS: Oral-B Interdental Brush Refills Designed for cleaning in between wide spaces, metal bridges, and braces.
防脱发产品 描述 （ Product Description ） 适应症：欧乐- B牙缝刷笔芯之间宽阔的空间，金属桥梁，括号，清洗设计。
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