1、The collection of wind, fire, phlegm and stasis leads to obturation of brain and stroke.
風、火、痰、瘀等濁邪合而為患，閉塞腦竅，而致中風。

2、The quality of obturation was analyzed based on with and without testing the trial point.
試尖是檢查根管預備效果及保障根管充填質量的較好方法。

3、The obturation effect and postoperative reaction were recorded.
記錄根管情況及術后反應。

4、Conclusions: the trial point test may improve the quality of obturation with lateral compaction.
結論：在側向加壓法根管充填中，試尖可明顯改善充填質量。

obturation翻譯