Conventional Impressions Versus Digital Impression Techniques for Implant Supported Screw Retained Prosthesis

Inclusion Criteria: * All participants have sufficient bone length and width for implant insertion. * General health of the patients was evaluated by taking a full medical history to ensure that these patients were free from any systemic conditions that would have impaired implant osseointegration * Good oral hygiene * Sufficient inter-arch spaces * The opposing arch was almost dentulous, and any missing teeth were restored using a fixed partial denture. Exclusion Criteria: * parafunctional habits * Heavy smoking * Those patients with systemic diseases that may influence soft or hard tissue healing. * Patients with a history of radiation therapy in the head and neck region. * Patients with a history of radiation therapy in the head and neck region.