https://www.selleckchem.com/pr....oducts/ly3537982.htm
The aim of this crossover clinical study was the evaluation and comparison of patient satisfaction and masticatory performance for patients rehabilitated with mandibular two implant overdentures retained with two different bar attachmentszirconia bar and cobalt chromium bar. Twenty completely edentulous patients were divided into two equal groups Group I (ZrO2), each patient received mandibular implant overdenture retained with CAD/CAM zirconia bar on two implants in the canine region, and Group II (Co-Cr), each patient received mandi