الفهرس 
AcknowledgementsOnly 14 pages are availabe for public view
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Abstract
The objectiveofthis study is toinvestigate histologically, clinically& radiographically: The potential of Platelet Rich Fibrin (PRF)as a socket graft material to enhance bone regenerati on after tooth extraction and in a trial to minim ize alveolar ridge collapse prior dental i mplant placement in hemandible.