Dental floss: a waxed or unwaxed thread used to remove food particles and plaque from the teeth.
洁齿线：一种上蜡或未上蜡的用于去除牙齿上的食物残碴和牙斑的线。
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Although I know that every floss will work well enough, I still can’t help but contemplate the pros and cons of waxed versus unwaxed, spearmint versus wintermint.