Accuracy and Reliability of Intraoral 3D Scans for Diagnostic Evaluations in Nursing Home Residents

• DOI: 10.1111/ger.12817
• Publication Date: 2025-04-01T19:22:50Z
• Authors: Basel Kharbot; Maike Riegel; Falk Schwendicke; Sebastian Paris; Gerd Göstemeyer
• Keywords: Kappa; Minimum Data Set; Cohen's kappa

ABSTRACT Objectives To evaluate the accuracy and reliability of intraoral 3D scans for assessing oral health older patients living in nursing homes. Materials Methods One examiner recorded missing teeth, restorations, caries lesions hygiene (Geriatric‐Debris‐Index Simplified [GDI‐S] ≥ 1.9) home residents using visual‐tactile diagnostics (reference test) afterwards obtained with an scanner (TRIOS 4, 3Shape). Two other independent investigators clinical assessed only to delineate same diagnostic outcomes. For these outcomes, we accuracy, sensitivity, specificity Area‐under‐the‐Receiver‐Operating‐Characteristics Curve (AUROC). Kappa values ( κ ) were calculated inter‐examiner intra‐examiner after re‐examination by all examiners a minimum interval 3 weeks. Results Forty‐three partially dentate (65–95 years age) need care four homes total 486 teeth (mean [SD]: 11 [9] per patient) examined. Scans perfectly accurate detecting (AUROC [sensitivity/specificity]: 1 [1/1]) showed high restorations (0.96 [0.93/0.98]), too. Accuracy was lower detect (0.77 [0.58/0.97]) insufficient (0.76 [0.54/0.99]). Agreement between perfect : 1), very good detection (0.94), or (0.73 0.72, respectively). Conclusions suitable basic evaluations but considerable shortcomings poor hygiene. Assessing relatively reliable. Clinical Relevance Using may allow telemedical assessments residents, users should be aware differential different targets.