Comparative study on lateral maxillary sinus augmentation of without grafting, particle bone grafting and recombinant human bone morphogenetic protein-2+absorbable collagen sponge grafting with simultaneous dental implant placement: a retrospective study
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Objectives: To compare the clinical and radiographic results of three approaches-involving particulate bone graft, recombinant human bone morphogenetic protein-2 (rhBMP-2)+absorbable collagen sponge (ACS), and no graft material-f... ...
