Evaluation of Accuracy of Intraoral Scanner with Different Inlay Preparation Geometry

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dc.authoridDoğu Kaya, Bengü / 0000-0002-3116-2016
dc.contributor.authorDoğu Kaya, Bengü
dc.contributor.authorÖzden, Yunus Emre
dc.contributor.authorÖzkurt Kayahan, Zeynep
dc.contributor.authorYılmaz Atalı, Pınar
dc.date.accessioned2026-02-03T12:00:05Z
dc.date.available2026-02-03T12:00:05Z
dc.date.issued2025
dc.departmentÇanakkale Onsekiz Mart Üniversitesi
dc.description.abstractObjective: This in vitro study aimed to assess the accuracy of an intraoral scanner in inlay preparations with different geometry. Methods: The upper second premolar tooth-shaped models were designed and prepared using a 3D printer (Phrozen Mega 8K, Phrozen, Taiwan). Three distinct inlay preparation configurations were utilized, including buccal and palatal wall divergence at 6 degrees, 8 degrees, and 10 degrees. The reference 3D images were acquired through scanning of each model with varying inlay preparation using an extraoral scanner (E1, 3Shape, Denmark). Thirty 3D images (samples) were obtained from each of the three models (n = 10) using an intraoral scanner (Trios 3, 3Shape, Denmark). The samples and reference images were saved in Standard Tessellation Language (STL) and imported into software (Geomagic Control X 2022, 3D Systems Inc., USA). Discrepancies between the reference image and the samples were recorded as root mean square (RMS) and standard deviation (SD). Kruskal Wallis and Mann Whitney U tests, and interquartile range (IQR) were used for statistical analysis with THE significance level p<.05. Results: The RMS was highest at 6 degrees, both of which were statistically significant from the other degrees (p<.001). Highest SD values were obtained in 10 degrees samples (p<.001). To evaluate the infer precision with IQR, RMS values were smallest at 10 degrees and SD values smallest at 6 degrees. Conclusion: The divergence angle of the preparation in the inlay cavities can potentially affect the accuracy of the intraoral scanner.
dc.identifier.doi10.33808/clinexphealthsci.1623198
dc.identifier.endpage426
dc.identifier.issn2459-1459
dc.identifier.issue2
dc.identifier.startpage421
dc.identifier.trdizinid1322241
dc.identifier.urihttps://doi.org/10.33808/clinexphealthsci.1623198
dc.identifier.urihttps://search.trdizin.gov.tr/tr/yayin/detay/1322241
dc.identifier.urihttps://hdl.handle.net/20.500.12428/34509
dc.identifier.volume15
dc.identifier.wosWOS:001526856000026
dc.identifier.wosqualityQ4
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakTR-Dizin
dc.language.isoen
dc.publisherMarmara University
dc.relation.ispartofClinical and Experimental Health Sciences
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20260130
dc.subjectaccuracy
dc.subjectdivergence angle
dc.subjectinlay
dc.subjectintraoral scanner
dc.subjectprecision
dc.subjecttrueness.
dc.titleEvaluation of Accuracy of Intraoral Scanner with Different Inlay Preparation Geometry
dc.typeArticle

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