观察其临床效果，并进行分析、总结。

Observation of clinical results, and analyze and summarize.

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目的介绍太极扣附着体义齿的制作方法并观察其临床效果。

Objective To introduce the manufacture process and observe the clinical effect of easy resilient attachment denture.

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目的：将改进的口咽通气管用于现场急救并观察其临床效果。

Objective:Effective observation of an improved oropharyngeal airway in emergency on the spot.

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