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COMPARATIVE STUDY
JOURNAL ARTICLE
Feasibility and Accuracy of Digitizing Edentulous Maxillectomy Defects: A Comparative Study.
International Journal of Prosthodontics 2017 March
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.
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.
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