我忙得连去医院的时间都没有。 得一种终身疾病，皮肤出现小斑疤。

I don't have time to go to the hospital; pick up a lifelong illness and stigma.

youdao

结论：超声工作尖的侧面能更有效地去净牙石和菌斑，且对牙根面损伤小；

Conclusion:Calculus and plaque can be cleaned more effectively and the damage is less severe by using the side of work tip.

youdao