Inclusion Criteria:  Age range from 55-65. Radiographic examination should reveal bone height more than 10 mm and crestal bone width not less than 5 mm of the inter-foraminal region. Residual bone and mucosa should be free from any pathological signs, bony undercuts, or neoplasia. Adequate salivary flow. Adequate mouth opening. Adequate inter-arch space.  Exclusion Criteria:  Systemic diseases affecting metabolism of bone e.g uncontrolled diabetes, bone diseases, hyperparathyroidism and renal disease. Severe blood diseases (hemophilia etc.). Severe vascular heart disease. Liver Problems. Cerebral infarction . Severe immunodeficiency. Patients who are undergoing strong chemotherapy. Excessive alcohol consumption. Severe neuropsychiatric disease, mental disability, and narcotic drug addict Uncooperative patients