Effect of Two Different Digitally Constructed Bar Materials on The Supporting Structures of Implant-Retained Mandibular Overdenture (In-Vitro Study)
Shaimaa Mohammed
Abstract:The aim of this study was to evaluate which bar material (BioHPP or Cobalt Chromium) induced less stresses on the supporting structures of implant retained mandibular overdenture. Materials and methods: Completely edentulous mandibular educational cast was scanned. Designing an STL file including; implants beds, mucosal space and vertical slots for strain gauges was done. A bar joint design was selected & STL files were transferred to 5-axis milling machine to mill bars as follow: group I: Six bars were milled… Show more
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