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Medicine and Health Sciences

Faculty of Dental Medicine (Girls' branch)

2019

CAD/CAM Implant superstructure; Veneering techniques; Retention

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Effect Of Different Cad/Cam Techniques On Marginal Accuracy, Color Matching And Retention Of Cemented Versus Screw Retained Implant-Supported Crowns., Latifa Elbanna, Eman Essam, Mohamed Al-Yasaky, Hisham Katamish Oct 2019

Effect Of Different Cad/Cam Techniques On Marginal Accuracy, Color Matching And Retention Of Cemented Versus Screw Retained Implant-Supported Crowns., Latifa Elbanna, Eman Essam, Mohamed Al-Yasaky, Hisham Katamish

Al-Azhar Journal of Dentistry

Purpose: Evaluating the effect of different computer aiding designing/computer aiding manufacturing techniques on marginal accuracy, color matching and retention of cemented versus screw retained implant-supported crowns. Materials and Methods: Thirty six zirconia implant supported crowns were constructed and divided according to mode of retention into two groups (n=18/group);GpI:Implants supported crowns cement retained to customized zirconia abutments. GpII : Implant-supported crowns screwed directly to implant analogs. Each of the two groups were further subdivided according to mode of veneering into three subgroups(n=6/group).(IA)Full Contoured cement retained zirconia crowns (IB)Solid Zirconia copings veneered by Hand layering&(IC)Solid Zirconia coping veneered by Heat pressed ingots.(IIA)Full …