英语语法分析

The most commonly used intracoronal bleaching agent is 30% hydrogen peroxide.

牙齿内漂白治疗最常用的漂白剂是30%过氧化氢水溶液。

The purpose of the present study is to evaluate the clinical results of the intracoronal bleaching with a sodium perborate preperation.

本研究的目的是评估过硼酸钠加蒸馏水冠内漂白的临床疗效。