带有内部附着体和组织杆(Tissue bars)的复盖义齿,其支持组织受力的比较结果显示:Dolder杆在基牙和无牙区之间可分担的咬(牙合)负荷优于Zest锚凹。在研究中应用了光测弹性原理。这种技术要求用一个具有光测弹性塑料的模拟体系,给予负荷后通过偏振滤光器而得的应力型予以照相。用一个部分无牙的下颌作为研 Comparable dentures with internal attachments and Tissue bars that support tissue force comparisons show that the Dolder bar's shareable bite load between abutment and anterior teeth is superior to Zest Anchor concave. The principle of photometric elasticity was applied in the study. This technique requires the use of a simulation system with photoreceptive plastic to give a photo of a stressed version of a polarizing filter after loading. Use a partially toothless jaw for research