After being observed in 34 patients for 1 - 2 years , the ccbt retains perfect and the abutment teeth don ' t demonstrate removal 对34例不同牙缺失患者的使用,经1 ~ 2年观察,修复体固位良好,基牙未见松动和移位。
Conclusions : when using the attachment prostheses to restore the type of the second molar distal - extension for the patient , we can use one teeth as abutment 结论:用该附著体修复第二磨牙末端游离缺损时,可采用单基牙。
Methods : in the experiment , the stress distribution in the periodontal support tissue of the abutment was analyzed under different numbers of abutments by efa 方法:采用有限元应力分析法,分析不同基牙数目时,该附著体义齿支援组织的应力分布情况。
Methods : the stress distribution in periodontal tissue was analyzed after thetilted abutment received fixed prosthesis using three - dimensional strain rosette 方法:应用三维应变花技术对不同倾斜角度基牙进行固定修复后,对其牙周组织受力进行分析。