Objective To evaluate the clinical effect of fiber post on the fractured anterior teeth after orthodontic forced eruption.
目的评价外伤前牙正畸助萌术后纤维桩的应用效果。
Compared with root extraction, the direct restoration, and the crown lengthening by surgical procedure, the forced eruption is a simple, economical and practical method in clinical.
同拔出残根、直接修复和冠延长术相比，正畸(牙合)向牵引是一种简单、经济、实用的方法，值得在临床上推广。
A volcanic eruption in Iceland forced flight cancellations and the closure of airspace over the country's four international airports, an official said Sunday.
冰岛的一次火山喷发迫使航班取消和整个国家的四个国际机场关闭，一位官员周日说到。
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