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. 2022 Apr 22;11(9):2336. doi: 10.3390/jcm11092336

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© 2022 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).

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Data acquisition protocol: (A) intraoral position of resin duplicates of patient’s prosthesis. Gutta-percha markers were inserted into 1 mm deep niches on the prosthesis (on the vestibular and palatal–lingual sides). The patient underwent CBCT (Cone Beam Computed Tomography) scanning while wearing the denture; (B) a second CBCT of the denture alone was performed; (C) a duplicate of the prosthesis was attached to an extraoral stent with three-dimensional radiopaque marks. The whole was stabilized in the mouth with a radiolucent occlusal index. The patient underwent CBCT scanning while wearing the duplicate, stent, and stabilization index; (D) extraoral scans were performed using a laboratory scanner of all collected data.