Clinical study of guided bone tissue regeneration by frozen homologous periosteum in instant implant;

Objective: To study the effect of basic fibroblast growth factor(bFGF) and hyaluronic acid gel (HAG) combined with freeze dried bone allograft in repairing radius defects and explore their mechanism.

Objective: To demonstrate the feasibility of composite transplantation of frozen autogenous mandible with fresh ilium.

For the patients with benign and easy-recrudescent tumor of mandible, reimplantation of frozen autogenous mandible is a suitable way to kill the residual neoplastic cell, prevent the recurrence of the tumor, restore the normal curvature of mandible and reduce the patent s facial malformation.