Calcium sulfate instead of bone graft materials for Summers Lift?


I am going to be doing a Summers lift to install implants that will extend into the maxillary sinus.  What I plan on doing is fracturing the sinus floor with an osteotome and pushing the segments up and then placing a bone graft.  I was wondering if I could used calcium sulfate instead of bone graft materials.  Is this an FDA approved use for calcium sulfate?  Is this a  procedure that will have predictable success?  What do you recommend?