棉卷作为根管扩大器械简便保护套的初步观察

Application of cotton rolls as protective sleeves of endodontic files

将根管扩大锉分别用传统纱布包裹和棉卷作为保护套,结果发现棉卷保护套稳固性好、不易脱出、操作简便可行,效果优于传统纱布包裹(P<0.01)。

The effects of cotton roll and the traditional gauze wrapper in the protection of endodontic files were observed.Cotton roll showed firm protection and feasible operation advantages,it was more effective than gauze wrapper in the protection of endodontic files（P〈0.01）.