修复根源起因通常是最佳的方法。
次一个重要的问题是怎样预知正根,负根和复根的个数。
The next significant question was how to predict the number of positive, negative and complex roots.
结论:羟基磷灰石与光固化玻璃离子夹层技术修复根分叉穿孔优于单独使用羟基磷灰石。
Conclusion the technique on the layers of splint with hydroxylapatite and light cure glass ionomer is better than pure hydroxylapatite in the repair furcal perforation.
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