The present study will be performed to : evaluate the effect of two implant placement systems )conventional method and osseodensification method) radiographically on bone density and bone height surrounding the implant by using CBCT and clinically by probing depth and gingival index.
All patients will have edentulous.
Patient's age ranges from 55-65 years.
All patients should be free from any systemic disease such as bone diseases or debilitating diseases.
Patient's residual ridge should be covered with firm mucosa free from any signs of inflammation, ulceration, or flabby tissue.
Uncooperative patients will be excluded .
Patient with parafunctional habits (bruxism, clenching)
Patient with xerostomia or excessive salivation.
Patient with TMJ disorder.