在牙膏出现前， 牙粉是人们最常用的牙齿清洁剂。古代为了保持口腔的清洁卫生， 在使用各种工具揩齿刷牙的同时， 还配以各种洁牙剂， 最常见的是盐， 即牙粉的前身。宋代， 出现了“牙粉行”, 专门出售中药配制的牙粉， 牙粉已经成为社会商品， 牙膏与牙粉的区别，主要是形态上的区别，一个是粉状，一个是膏状，其主要的起效成分基本相同。
n. dentifrice
misc. tooth powder
... Compound calomel pills (plummer's pills) 复方甘汞丸 Compound chalk powder 牙粉 Compound decoction of sarsaparilla 复方撒尔沙煎剂 ...
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西班牙粉红麻 Pink Porrino ; Rosa Porrino
造牙粉 acrylic resin teeth ; Methyl methacrylate for tooth-making ; Tooth-making powder ; polymer
自凝造牙粉 self-curing tooth acrylic
象牙粉色 IVORY PINK
河马牙粉饰 Makeover Hippopotamus
中草药牙粉 chinese herbal tooth powder
牙托粉 dental base acrylic resin powder ; denture base polymer powder ; polymer-based denture powder
艾伦固牙粉 allen cement
洗牙粉 tooth powder
为了产生较佳的泡沫效果，18世纪末牙粉中又添加了硼砂粉。
Borax powder was added at the end of the 18th Century to produce a favourable foaming effect.
那人是一个兜卖整套牙齿、牙膏、牙粉和药酒的走江湖的牙科医生。
He was a quack dentist on his rounds, who was offering to the public full sets of teeth, opiates, powders and elixirs.
但是犯人们总能找到办法弄到。现在他们用牙线慢慢钜金属，抹上牙粉增加摩擦力。
He says they actually use dental floss to slowly saw away at the metal, adding tooth powder to increase the friction.
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