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The International Journal of Prosthodontics



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Int J Prosthodont 30 (2017), No. 2     21. Mar. 2017
Int J Prosthodont 30 (2017), No. 2  (21.03.2017)

Page 147-149, doi:10.11607/ijp.5095, PubMed:28267823

Feasibility and Accuracy of Digitizing Edentulous Maxillectomy Defects: A Comparative Study
Elbashti, Mahmoud E. / Hattori, Mariko / Patzelt, Sebastian B. M. / Schulze, Dirk / Sumita, Yuka I. / Taniguchi, Hisashi
Purpose: The aim of this study was to evaluate the feasibility and accuracy of using an intraoral scanner to digitize edentulous maxillectomy defects.
Materials and Methods: A total of 20 maxillectomy models with two defect types were digitized using cone beam computed tomography. Conventional and digital impressions were made using silicone impression material and a laboratory optical scanner as well as a chairside intraoral scanner. The 3D datasets were analyzed using 3D evaluation software.
Results: Two-way analysis of variance revealed no interaction between defect types and impression methods, and the accuracy of the impression methods was significantly different (P = .0374).
Conclusion: Digitizing edentulous maxillectomy defect models using a chairside intraoral scanner appears to be feasible and accurate.