结论操作规范、适应性拔牙是预防出血的重要措施。

Conclusion Regular operation and adaptable tooth extraction are the important measure to prevent hemorrhage.

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血小板能预防出血，血管受伤后，它会形成“塞子”来帮助止血。

Platelets prevent bleeding and form plugs that help stop bleeding after an injury to a blood vessel.

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主要治疗：控制出血或手术前预防出血中枢性尿崩症，夜间遗尿及血友病。

Main treatment: control hemorrhage or prevents the hemorrhage of main center diabetes before surgery, Enuresis nocturna and hemophilia.

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