Trueness and precision of combined healing abutment scan body system scans at different sites of maxilla after multiple repositioning of the scan body

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dc.contributor.authorDonmez, Mustafa Borga
dc.contributor.authorGuven, Mehmet Esad
dc.contributor.authorYilmaz, Deniz
dc.contributor.authorAbou-Ayash, Samir
dc.contributor.authorCakmak, Gulce
dc.contributor.authorYilmaz, Burak
dc.date.accessioned2024-02-23T14:12:45Z
dc.date.available2024-02-23T14:12:45Z
dc.date.issued2023
dc.departmentNEÜen_US
dc.description.abstractObjectives: To evaluate the accuracy of the scans of the combined healing abutment-scan body (CHA-SB) system located at different sites of the maxilla when SBs are replaced in between each scan.Methods: Three SBs were seated into HAs located at the central incisor, first premolar, and first molar sites of a maxillary model inside a phantom head, and the model was scanned extraorally (CEREC Primescan SW 5.2). This procedure was repeated with new SBs until a total of 10 scans were performed. Standard tessellation language files of CHA-SBs at each implant location were isolated, transferred into analysis software (Geomagic Control X), and superimposed over the proprietary library files to analyze surface (root mean square), linear, and angular deviations. Trueness and precision were evaluated with one-way analysis of variance and Tukey tests. The correlation between surface and angular deviations was analyzed with Pearson's correlation (alpha=0.05).Results: Molar implant scans had the highest surface and angular deviations (P <=.006), while central incisor implant scans had higher precision (surface deviations) than premolar implant scans (P=.041). Premolar implant scans had higher accuracy than central incisor implant scans on the y-axis (P <=.029). Central incisor implant scans had the highest accuracy on the z-axis (P <=.018). A strong positive correlation was observed between surface and angular deviations (r = 0.864, P<.001).Conclusion: Central incisor implant scans mostly had high accuracy and molar implant scans mostly had lower trueness. SBs were mostly positioned apically; however, the effect of SB replacement can be considered small as measured deviations were similar to those in previous studies and the precision of scans was high.Clinical Significance: Repositioning of scan bodies into healing abutments would be expected to result in similar single crown positioning regardless of the location of the implant, considering high scan precision with the healing abutment-scan body system. The duration of the chairside adjustments of crowns in the posterior maxilla may be longer than those in the anterior region.en_US
dc.identifier.doi10.1016/j.jdent.2023.104716
dc.identifier.issn0300-5712
dc.identifier.issn1879-176X
dc.identifier.pmid37739057en_US
dc.identifier.scopus2-s2.0-85174734011en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.urihttps://doi.org/10.1016/j.jdent.2023.104716
dc.identifier.urihttps://hdl.handle.net/20.500.12452/12162
dc.identifier.volume139en_US
dc.identifier.wosWOS:001108301000001en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofJournal Of Dentistryen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectCombined Healing Abutment -Scan Bodyen_US
dc.subjectPrecisionen_US
dc.subjectRepositioningen_US
dc.subjectTruenessen_US
dc.titleTrueness and precision of combined healing abutment scan body system scans at different sites of maxilla after multiple repositioning of the scan bodyen_US
dc.typeArticleen_US

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