目的：比较按扣式义齿与普通覆盖义齿的修复功能。

Objective: to compare the restorative effects of the stud-snap denture and ordinary overdenture.

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目的：利用按扣式附着体、磁性附着体的不同优点，改善全口覆盖义齿固位。

Objective: To discuss the usage of stud-nap attachments and magnetic attachments in complete overdentures.

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目的：通过建立有限元模型，探讨按扣式和键槽缓压式两种精密附着体修复下颌磨牙游离缺失的应力分布情况。

Objective:The purpose of this study was to analyze the force system of different precision attachment in mandible distal-extension edentulous by the finite-element model.

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