PURPOSE:To evaluate the effect of 5 kinds of irrigant combinations on cleaning of anterior straightroot canal walls.
目的：比较5种冲洗剂组合对前牙直根管的清洁效果。
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METHODS: 25 extracted human maxillary anterior teeth, with a single straightroot were randomly divided into 5 groups. They were instrumented with K-files and conventional preparation technique.
方法：25颗离体直根管前牙，随机分为5组，不锈钢K锉常规法预备根管，应用5种冲洗剂组合进行冲洗。
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But in the end, it was the combined efforts of a great dish, a properly made horseradish sauce and a slug of straight vodka that convinced me that the root had a place in my life.