Direct Maxillary Sinus Lift; Complications Influence on Fixture Survival

Objective: Highlighting one of advanced surgeries in dental imlantology. The clinical outcome of post-surgical complications. Compare the success rate difference between direct sinus lift and cases were lifting not need. Methods: This retrospective study organized in Al-Salam Teaching Hospital since 2007 till 2010. Seventy seven patients were underwent direct sinus lift surgery as a site preparation for dental implant with superline dental implant system. From the total 1872 we choose 75 patients were they don't need sinus lifting. Cases divided into 2 groups were group A are the cases were dental implant performed without sinus augmentation or lift (No SA.), group B are the cases were dental implant performed with sinus augmentation lift (DSA.). Results: Perforation was the most serious complications which need to be avoided in DSL cases. Its need special skill, gentle alert works. Accurate management of the complications can give good result without affecting success rate. Conclusion: Careful analysis via imaging, precise surgical techniques and an understanding of the anatomy of the surgical area are essential in preventing complications. One should be aware of the possible complications related to implant placement so that the patient can be properly informed.