TY - BOOK AU - Ibrahim Mahmoud Elrefai AU - Amr Zahran , AU - Reda Abdelrahman , TI - Clinical evaluation of the immediate implant placement in fresh extraction sockets with or without the use of equine xenograft / PY - 2011/// CY - Cairo : PB - Ibrahim Mahmoud Elrefai , KW - Graft KW - Intrabony defect KW - Periodontal surgery N1 - Thesis (M.Sc.) - Cairo University - Faculty of Oral and Dental Medicine - Department of Periodontology; Issued also as CD N2 - The present investigation was conducted to evaluate the application of PRP plus Ý-TCP versus Ý-TCP alone in the treatment of intraosseous periodontal defects. the effect of this treatment modality on the clinical parameters regarding plaque index, gingival index, probing depth and clinical attachment level was assessed after 3, 6, and 9 months ER -