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Analysis Of Debris From Implant Prostheses, Mehran Varedi
Analysis Of Debris From Implant Prostheses, Mehran Varedi
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Objectives: The specific aim of this study was to analyze any entrapped debris in implant abutment screw threads from post processed constructs from dental laboratories. Materials and Methods: Forty implant screws were used to collect debris where screws were removed from the implant prosthesis as received from dental laboratories. In all samples, laboratory procedures including fabrication of the custom abutment, definitive prosthesis and finishing/polishing were completed prior to sampling. Twenty-nine screws were from titanium and eleven screws were from zirconia abutments. Scanning Electron Microscope (SEM) analyses of collected particulate products from abutment screws were done for all specimens. Results: The …