In Vitro Evaluation of Accuracy of Digital Impressions Versus Conventi̇onal Impressions at Varying Implant Depths for Single Crowns

Vildan Aslıyüce; Nihal Özcan; Elif Yiğit; Buse Özdemir Önal

doi:10.24938/kutfd.1836746

August 12, 2026Kırıkkale Üniversitesi Tıp Fakültesi Dergisi

In Vitro Evaluation of Accuracy of Digital Impressions Versus Conventi̇onal Impressions at Varying Implant Depths for Single Crowns

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Key Points

To evaluate the impact of implant vertical depth on the accuracy of digital intraoral scanners compared to conventional impression materials for single-implant restorations.
Fabricated a mandibular master model featuring a single 5.7 mm implant analog positioned at three distinct gingival depths: 2 mm, 4 mm, and 6 mm.
Generated 96 test models (n=8 per group) using two digital intraoral scanners (Trios 3Shape, Cerec Omnicam) and two conventional materials (polyvinylsiloxane, condensation silicone).
Digitized models and measured 3D deviation against a reference STL model using reverse-engineering software, analyzing differences via Kruskal-Wallis and Mann-Whitney U tests (α=0.05).
No statistically significant differences in 3D accuracy were detected between the digital intraoral scanner groups across tested depths (p > 0.05).
Condensation silicone demonstrated significantly greater dimensional deviations compared to polyvinylsiloxane among conventional techniques (p < 0.05).

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Implication

In vitro study reveals comparable accuracy between digital scanners and polyvinylsiloxane across varying implant depths, indicating digital workflows reliably replace physical molds.

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Aslıyüce et al. (2026) studied this question.

synapsesocial.com/papers/6a7ec78db70b84ec8b914053 https://doi.org/10.24938/kutfd.1836746

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In Vitro Evaluation of Accuracy of Digital Impressions Versus Conventi̇onal Impressions at Varying Implant Depths for Single Crowns

Key Points

No abstract yet

Implication

Discussion

Cite This Study

In Vitro Evaluation of Accuracy of Digital Impressions Versus Conventi̇onal Impressions at Varying Implant Depths for Single Crowns

Key Points

No abstract yet

Implication

Discussion

Cite This Study

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