الفهرس 
Assessment of the use of injectable calcium phosphate bone regeneration cement as a sinus lifting material with simultaneous implant placement
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Abstract
This study was conducted to evaluate the use of calcium phosphate bone cement as a sinus grafting material in sinus lift procedures with simultaneous implant placement in comparison to autogenous bone graft. In this study 12 implants were placed for patients with atrophied posterior maxillary region and/or excessively pneumatized maxillary sinus. All the patients were free from any systemic disease that might complicate the surgical procedure or the bone healing around implants. In the present study, sinus floor elevation was carried out through an osteotomy performed on the lateral wall of the sinus with rotary instruments used under copious saline irrigation to the point at which the surgeon can visualize the dark inner lining of the sinus membrane. After the elevation of the membrane the implants were placed and the sinus was grafted using autogenous graft material in group A and calcium phosphate cement in group B . In all 12 patients implants placed immediately after the lateral approach procedure to create a maxillary sinus lift, no patients developed sinusitis or other complications leading to loss of an implant subsequent to performance of the sinus lifting-combined immediate implant surgery in group A. While 3 implants fixtures have implant mobility was observed on initiation of loading force from the prosthetic components in group B