Dental implants have been used extensively for the rehabilitation of completely and partially edentulous patients. Edentulous patients rehabilitated with fixed prostheses supported by osseointegrated implants have shown improved masticatory function, increased bite force, security and self esteem as compared to patients rehabilitated with overdentures. The behavior of bone in the peri- implant region is closely related to the direction, magnitude and concentration of stresses transmitted to the implant.The angulation of the implants is one of the most important factors in management of the...