Evaluation of the Effect of Osseodensefication Technique Versus Conventional Implant Drilling Technique in Implant Supported Mandibular Overdenture

Inclusion Criteria: * 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. * Patients should have good oral hygiene. Exclusion Criteria: * Uncooperative patients will be excluded . * Patient with parafunctional habits (bruxism, clenching) * Patient with xerostomia or excessive salivation. * Patient with TMJ disorder.