This invited commentary reviews the use of splinting vs nonsplinting in implant impressions.
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In vitro scanning accuracy using different aids for multiple implants in the edentulous arch.
Clin Oral Implants Res
October 2022
Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt Universität zu Berlin, Berlin, Germany.
Objectives: Optical impressions of implants in the edentulous arch are challenged by the absence of distinct surface morphology between multiple implant scan bodies. The purpose of this in vitro study was to evaluate a newly developed scan aid in various designs and colors to improve the accuracy of multi-implant scans.
Materials And Methods: A universal scan aid in three different designs (circular, square, irregular) and three different materials (colors: beige, gray, white) was applied to the implant scan bodies of a master model of six implants in an edentulous maxilla.
Accuracy of digital complete-arch, multi-implant scans made in the edentulous jaw with gingival movement simulation: An in vitro study.
J Prosthet Dent
September 2022
Division of Computerized Restorative Dentistry, Clinic for Preventive Dentistry, Periodontology and Cariology, Center of Dental Medicine, University of Zurich, Zurich, Switzerland.
Statement Of Problem: The use of computer-aided design and computer-aided manufacturing (CAD-CAM) technologies is widely established, with single restorations or short fixed partial dentures having similar accuracy when generated from digital scans or conventional impressions. However, research on complete-arch scanning of edentulous jaws is sparse.
Purpose: The purpose of this pilot in vitro study was to compare the accuracy of a digital scan with the conventional method in a workflow generating implant-supported complete-arch prostheses and to establish whether interference from flexible soft tissue segments affects accuracy.
Effect of Multiple Use of Impression Copings and Scanbodies on Implant Cast Accuracy.
Int J Oral Maxillofac Implants
December 2019
Purpose: There are currently no clear guidelines on the reuse of metal implant impression copings and scanbodies in implant dentistry. Manufacturers generally recommend single use, which has cost and ecological implications. The objectives of this study were to examine the effect of multiple use of implant impression copings and scanbodies on the accuracy of partially dentate implant casts.
View Article and Find Full Text PDFAccuracy of multi-implant impressions using 3D-printing custom trays and splinting versus conventional techniques for complete arches.
Int J Oral Maxillofac Implants
December 2019
Purpose: To assess the three-dimensional (3D) accuracy of multi-implant impressions for complete arches obtained using 3D printing technology, and to determine the clinical feasibility of this approach by comparing the results obtained with those obtained with conventional impression techniques.
Materials And Methods: A maxillary model matrix with four implant analogs was used to fabricate 10 stone reference models (control) to simulate edentulous patients. Ten 3D-printed impressions were made using polylactic acid custom open trays with component splinting (3D-printed group).
Multi-Implant Impressions. To Splint or Not to Splint: A Critical Review.
Int J Prosthodont
October 2019
This invited commentary reviews the use of splinting vs nonsplinting in implant impressions.
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