Tighten the elastic a little. Pin the free end to the facing.

把松紧带收紧一点用大头针把没固定的一端钉在贴边上.

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Pull gently free end of the rope.

轻拉绳索松开的一端.

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Objective: To observe and evaluate the clinical effects on the restoration of free end teeth loss.

目的: 针对后牙游离端缺失,以弹性义齿技术与合金铸造支架技术相结合制作可摘义齿,观察其临床疗效.

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Objective : To observe the crystal character of the attached end and free end of dental calculus.

目的: 观察牙结石附着面和游离面晶体构型的差异.

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