According to the results of this study, the digital implant impression technique had the least accuracy. Based on the study outcomes, distance and angulation errors associated with the intraoral digital implant impressions were too large to fabricate well-fitting restorations for partially edentulous patients. The pick-up implant impression technique was the most accurate, and the transfer technique revealed comparable accuracy to it.

Because each study included in this review has its unique methodology and design, it is therefore early to conclude whether to use digital scanners for clinical practice or not. More well-conducted in vitro and clinical trials studies are recommended to investigate the accuracy of intraoral scanners.

Background IRRPD offers patients the ability to upgrade their treatment planning to implant-supported-overdentures (ISOs) or implant-supported-fixed-prostheses (ISFPs) through insertion of more implants in the future after the loss of the remaining natural teeth.

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