Trueness of Full Arch Scans and Generated Digital Implant Models
The goal of this clinical trial study is to evaluate the accuracy of the full digital workflow for four-implant, screw-retained mandibular hybrid prostheses in patients with completely edentulous mandible.
- EligibilityCriteria: Inclusion Criteria:  Patients having a completely edentulous lower arch that could be restored by fixed screw-retained implant hybrid dentures. Patients having a substantial bone height and width at prospective implant sites to install four standard-size inter-foraminal implants. Sufficient crown height space according to criteria of all-on-4. good oral hygiene and motivation  Exclusion Criteria:  Patients with bad oral hygiene. Patients with limited mouth opening. Vulnerable groups. Uncooperative patients. Patients receiving or undergoing radiotherapy or chemotherapy. Patients with systemic diseases affecting bone metabolism. Smokers - HealthyVolunteers: Accepts Healthy Volunteers - Gender: All - MinimumAge: 45 Years - MaximumAge: 60 Years - StdAgeList: Adult