gutta

1.Objective To confirm the serum pharmacochemistry of Xingnao Gutta Pills.

目的确定醒脑滴丸血清药物化学。

2.Methods Prepare the root canal with routine, stepback, endo-ultrasound, precurve and synthesis methods, then fill the root cannal with gutta percha points, reexaminate after 6 months.

方法采用常规法、逐步后退法、超声法、弯法和综合法进行根管备并充填，6个月后复查。