The fit accuracy of removable partial denture metal frameworks fabricated using intraoral scanning of mouth preparation versus conventional impression technique. Controlled clinical trial

Document Type : Original Article

Authors

1 Lecturer of Prosthodontic Department Faculty of Dentistry, Cairo University

2 Associate Professor Prosthodontic Department, Faculty of Dentistry, Cairo University, Egypt

Abstract

Aim of this study: The aim of this study was to compares the clinical efficacy and accuracy of RPD frameworks made with intraoral scanning technology to those made with traditional impression procedures.
Material and methods: This clinical trial was conducted on 8 partially edentulous patients so that each one received two frameworks; one fabricated using intraoral scanning technology (group A), the other one fabricated with traditional impression procedures (group B). All frameworks were fabricated using lost wax technique of CO-CR. The gap between the rests and their respective seats was measured using 3D analysis software for the 16 resultant frameworks. Clinical visual inspection was done for all frameworks by expert clinicians. For statistics, data were compared using Paired T-test P < 0.05.
Results: The collected values were tabulated and statistically analyzed. The results showed that It showed that there was no statistical significant difference (P = 0.083) between the groups.
Conclusion: Intraoral scanning can be a simpler and useful technique with better fit accuracy in removable partial denture construction.
Keywords: Digital scanning, partially edentulous, accurate fit.

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Egyptian Dental Journal
Volume 71, Issue 3 - Serial Number 4
Fixed Prosthodontics, Removable Prosthodontics and Dental Materials
July 2025
Pages 2333-2341

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