This study aims to compare oral health-related quality of life and retention between digitally- fabricated temporary flexible RDPs and conventionally-fabricated temporary flexible RDPs.

Inclusion Criteria:

• Maxillary Class III, modification I partially edentulous patients that enables measuring the retention values intraorally without denture rotation.
• Fully dentulous or partially edentulous opposing mandibular arch.
• Patients that require temporary partial dentures for aesthetic reasons or as an interim denture during mouth rehabilitation treatment or after implant placement.
• Age range (30-55 years).
• Cooperative patients that are willing to attend all follow-up periods.
• Patients with healthy attached mucosa of appropriate thickness free from any inflammation.
• Patients with healthy abutments and healthy periodontium and no more than grade I mobility.

Exclusion Criteria:

• Patients with Parkinson's disease
• Patients with xerostomia.
• Patients with a history of allergy to dentures made of resins.
• Patients with pathological changes of residual ridges as recurrent or persistent ulcers, osteomyelitis and infections.
• Patients with large irregular bony exostosis.
• Patients with medical or psychological conditions as physical disability or mental retardation that hinder cooperation in the follow up visits and answering the questionnaires.