〔Abstract〕 Objective To study the osteogenic effect of odontogenic biphasic calcium phosphate(BCP) in maxillary sinus in rabbits compared with Bio-Oss®and CERASORB®M β-tricalcium phosphate(β-TCP). Methods BCP was prepared by calcination of extracted teeth, the phase and element analysis were carried out, and its surface characteristics were observed. The osteogenic ability was evaluated by micro-CT and histological analysis in rabbit maxillary sinus model. Results The material was BCP composed of hydroxyapatite(HA) and β-TCP, the Ca/P ratio was 1.627, dentin tubular-like pores and dense granular structures were found on the surface of BCP. Animal experiments showed that the BCP group had more new bone formation and better quality of new bone. Conclusion The odontogenic BCP has good osteogenic effect in rabbit maxillary sinus.