Crestal Bone Loss and Patient Satisfaction of Screw Retained Restoration

Inclusion Criteria: * Completely edentulous patients * Patients with completely edentulous ridges have an opposing natural dentition or implant supported overdenture * Completely edentulous patients (with the above mentioned criteria) who have proper amount of attached gingiva (≥2 mm) or to be created * Completely edentulous patients (with the above mentioned criteria) who have no history of bruxism * Completely edentulous patients (with the above mentioned criteria) who were free or controlled diabetic assessed by measuring glycosylated haemoglobin (HbA1c). (lesser than or equal to 6.4 percent ) Exclusion Criteria: * Patients having a medical condition that absolutely contraindicates implant placement. * Patients with uncontrolled diabetes, assessed by measuring glycosylated haemoglobin (HbA1c). (greater than to 6.4 percent ) * Potentially uncooperative patients who are not willing to go through the proposed interventions. - Moderate-to-heavy daily smokers\* (who report consuming at least 11 cigarettes/day). * Patients who are having complete lower denture * Patients who have history of bruxism