Walid Ahmed Ghanem, Ibrahium Hussein Ahmed, Mohammed Ahmed El-Sholkamy, Ahmad Mohamad El Rawdy And Ahmed Mohammed Al Awady,

ABSTRACT
The Purpose Of This Study Was To Evaluate The Effect Of Contact Time Of Autogenous Bone Graft With Clindamycin Solution On Bone Density Around Implant. Material & Methods: This Study Was Carried Out On Twelve Healthy Adult Dogs With Average Weight 17kg. The Animals Were Prepared For Surgery Under Sterile Conditions. Each Animal Was Subjected For Extraction, The Right First Mandibular Premolar And The Inter-radicular Bone Was Harvested As A Source Of Autogenous Bone Graft Then The Third Premolar On The Same Side Was Extracted And The Osteotomy Site Was Prepared. The Animals Were Classified Into Two Groups. Control Group (three Dogs) In Which The Autogenous Bone Graft Was Placed In Saline Solution Only, While Study Group (nine Dogs) Which Were Classified Equally Into Three Subgroups According To The Contact Time Of Clindamycin Solution With Bone Graft For 3, 6 And 9 Minutes Respectively. The Implants Were Inserted And The Harvested Autogenous Bone Grafts Were Placed Around The Implants Of Each Group. Clinical And Radiographic Evaluation Were Done After 1,3 And 6 Months Postoperatively For Infection, Edema, Looseness Of Implant And Assessment The Radiodensitometric Bone Changes Around Dental Implant Utilizing Periapical Radiographs Which Were Analyzed Using IDRISI Kilimanjaro Software

Results: The Clinical Evaluation Revealed Normal Healing For Both Groups. Radiographic Evaluation Revealed That The Study Sub-group (III) After 9 Minutes Has High Bone Density Than Other Groups After 3 And 6 Months Conclusion: The Longevity Of Contact Time Of Autogenous Bone Graft In Clindamycin Solution Is Directly Proportional With Increase Bone Density Around Dental Implant.