Factors determining the design criteria of prosthesis Evaluation of the biomechanical factors influencing the bio-acceptability of implants Osseo-integration of implants and prosthesis design Retension of implant dentures The effect of progressive loading after implant placement The retention potential of different materials by implant dentures The chronological treatment of compression screw implants immediately after placement Development of osseointegrated subperiosteel implants Composite fibre reinforcement of denture base PMMA materials Maxillo-Facial Implantology