Digital Workflow Versus Functional Pick-up Techniques of Two- Implant Retained Mandibular Overdentures

Inclusion Criteria: * completely edentulous, healthy firm mucosa without any remaining roots or jaw cysts. Maxillomandibular Angel's class I relationship with sufficient restorative space (minimum of 8.5 mm measured by using putty index). Sufficient residual alveolar bone quantity and quality class 1-3 Exclusion Criteria: * Patients with systemic issues such as recent myocardial infarction, hepatic patients, bleeding disorders, autoimmune diseases like rheumatoid arthritis, hyperparathyroidism, uncontrolled diabetes mellitus, severe osteoporosis or cancer were excluded from the study. Also, patients with recent organ transplants, long-term corticosteroid use, radiotherapy, uncooperative patients with psychiatric disorders, heavy smokers, poor oral hygiene, and parafunctional habits were excluded