In order to improve the biocompatibility of prosthesis and nature mandibular,the prosthesis should be hollowed out and cancellous marrow would be implanted in it.

• 下颌骨假体植入人体后,为了增加人体与假体的生物相容性,需在假体上镂孔并在孔中植入松质骨颗粒,松质骨能否与自体骨长合是医工界共同关心的问题。