The present study will be conducted on ten partially edentulous patients selected from the outpatient clinic of prosthetic department of faculty of oral and dental medicine, Cairo University. For all patients, examination charts were prepared with full personal, medical and dental history as well as radiographic records. All patients will receive two implants, one is platform switch design and the other one is conventional design immediate loading by locator patients evaluations: 1- clinical evaluation and radiographic evaluation using direct digital radiographic (Diagora system). The cases will be followed up at denture insertion, 3 months, 6 months and 9 months intervals after partial over denture insertion.