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、法、法和综合法进行根管备并充填，6个月后复查。
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So why didn't they try to cultivate gutta percha?
那么他们为什么不尝试种植呢？
It also turned out that gutta percha was a great insulator for undersea cables.
事实证明，是海底电缆的绝佳绝体。
Maybe you've never heard of the gutta percha, a tropical tree species that provided the sap used to make gutty balls.
也许你从未听 gutta percha ，是一种热带树种，它的汁液可以用来制作 gutty 球。
The saltwater and acid-resistant properties that made gutta percha so important to undersea cabling also make it ideal in root canal surgery.
的耐盐水和耐酸特性对海底电缆非常重要，也使其成为根管手术的理想材料。
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划词翻译
详细解释
法、
法和综合法进行根管
呢？
体。
gutta percha ，
是一种热带树种，它的汁液可以用来制作 gutty 球。
