牙粉

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 .

两个伙计和学徒就乱哄哄地拿过脸盆，毛巾，牙刷，牙粉来装配成一组。（补牙用的）粘固粉。

The salesmen and the apprentices noisily collected the wash-basins , wash-cloths , tooth brushes and boxes of tooth powder , and arranged them into sets .

实验材料：0号造牙粉，人胎盘羊膜，100%甘油，葡萄糖盐水，维生素C注射液，庆大霉素注射液，2%荧光素钠，输液器等。

Materials ; imported teeth plastic powder , human fetus amniot-ic mebrane , 100 % glycerol , glucose solution , vitamin C injection , gentamycine injection , 2 % fluorescence .

方法使用物理及化学方法去除牙齿表面污染物，经脱钙、裂解、纯化从牙粉中提取DNA进行STR分型。

Method The teeth DNA was extracted using cleansing , pulverizing , de-calcification , lysis and purification , followed by STR typing .

结论在牙周基础治疗后，使用中药牙粉配合有效刷牙，可提高控制龈上菌斑的效果、减缓菌斑堆积。

Conclusion The traditional Chinese medicine dentifrice is helpful in plaque control after periodontal treatment .

方法按照天然前磨牙尖的大小，放大10倍，测试的模型用甲基丙烯甲脂（0号造牙粉）翻制而成。

Methods The experimental model made from methyl-methacrylate ( 0 resin ) and enlarged 10 folds larger of the native premolar teeth was used .

1918年陈蝶仙成立家庭工业社，研制出一种名叫无敌牌的牙粉，从此走上实业家的道路。

He invented the dentifrice called WuDi and founded the Family Industry Manufactory in 1918 . Since then he chooses his way as a industrialist .

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 .

牙粉（膏）用于洁齿的物质，例如牙膏或牙粉雕刻和模型制品制模膏（不包括齿板条状，马足状的牙蜡）

A substance , such as a paste or powder , for cleaning the teeth . modelling paste carved or moulded articles of ( excl. plates , horseshoe shapes or sticks , of dental wax )