AIM: To study the stress distribution of rigidfixedbridge on the different thickness of periodontal membranes around abutments.
目的:研究固定桥基牙牙周膜厚度不同对双端固定桥应力分布的影响。
2
ObjectiveTo observe the effects of the two kinds of rigidfixedbridge design on the stress of the alveolar bone of mandibular first molar after hemisection.
目的观察下颌第一磨牙半切术后两种双端固定桥修复对牙槽骨应力分布的影响。
3
The design of rigidfixedbridge is superior to free-end fixed bridge and be propitious to the the health of the reserved root by dispersing the stress of reserved root more effectively.