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1·Objective:To investigate the clinical effective of treatment for gingivitis by YADRAN herbal tooth powder.

目的：评价牙得安牌复方中草药牙粉对正畸患者牙周组织的影响。

2·He says they actually use dental floss to slowly saw away at the metal, adding tooth powder to increase the friction.

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。

3·Objective:The pear layer powder manufacturing technology with canine tooth instant exploding method was studied.

目的：研究犬齿瞬间爆裂法制备珍珠薄层粉的工艺。

4·Results: the pear layer powder manufactured with the canine tooth a and the 5% water quantity was good to the nanometer pear powder in the latter operation.

结果：用A式犬齿爆裂装置加水5%的工艺制备的单层薄层珍珠层粉，有利于在后续工序中用以制备纳米珍珠粉。

5·Conclusion: the canine tooth a exploding apparatus and the water quantity of 5% is the best way to manufacture the pear layer powder.

结论：A式犬齿爆裂装置加水5%的工艺为制备单层薄层珍珠层粉的最佳工艺。

6·Fine powder exits with the air flow, those coarse powder which is near the tooth shaped plate can not exit due to block of the blocking bar until they are ground into fine powders.

细粉随气流排出，贴近齿板的粗粒料因挡板的阻碍不能排除被继续粉碎直至呈粉料随风排出。

7·Powder can be cold, nose-obsessed treat headache, stuffy nose unreasonable pain and tooth infections.

能散风寒，通鼻窍，主治头痛、鼻塞不通和。