Comparison of the Accuracy of a Mounting Fixture for Dental Implants for Implant Position Transfer and Open-Tray Implant Level Impression—An In Vitro Study
The accuracy for the implant position transfer of a mounting fixture and a standardized open-tray implant level impression was compared. Ten aluminum master models with four implant analogs placed in different angulations were fabricated. By performing an open-tray implant level impression stone cas...
Verfasser: | |
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FB/Einrichtung: | FB 05: Medizinische Fakultät |
Dokumenttypen: | Artikel |
Medientypen: | Text |
Erscheinungsdatum: | 2023 |
Publikation in MIAMI: | 29.01.2024 |
Datum der letzten Änderung: | 29.01.2024 |
Angaben zur Ausgabe: | [Electronic ed.] |
Schlagwörter: | implant impression; implant position transfer; prosthetic restoration on implants |
Fachgebiet (DDC): | 610: Medizin und Gesundheit |
Lizenz: | CC BY 4.0 |
Sprache: | English |
Originalversion: | Dentistry Journal 11 (2023) 9, 208, 1-13 |
Förderung: | Finanziert durch den Open-Access-Publikationsfonds der Universität Münster. |
Format: | PDF-Dokument |
URN: | urn:nbn:de:hbz:6-57978506128 |
Weitere Identifikatoren: | DOI: 10.17879/57978507991 |
Permalink: | https://nbn-resolving.de/urn:nbn:de:hbz:6-57978506128 |
Verwandte Dokumente: |
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Onlinezugriff: | 10.3390_dj11090208.pdf |
The accuracy for the implant position transfer of a mounting fixture and a standardized open-tray implant level impression was compared. Ten aluminum master models with four implant analogs placed in different angulations were fabricated. By performing an open-tray implant level impression stone casts were produced. The master models and stone casts were scanned (comparison group one) using a laboratory scanner. Deviations in the scan body surface were determined in the form of mean (absolute) point distances and (signed) surface distances. The same procedure was performed with a screwed transfer and by fixing the posts of the mounting fixture (comparison group two). The mounting device was applied to each master model and scanned in a fixed and detached state (comparison group three). In a point comparison, the open-tray implant level impression showed mean deviations of 43.6 µm and a mounting fixture of 44.6 µm with no significant differences (p < 0.05). There were significant differences between groups two and three. The angulation of the implants had no effect on the accuracy. In a surface comparison, the open-tray implant level impression showed mean deviations of 36.0 µm and a mounting fixture of 2.0 µm (p > 0.05). Within the limits of this study, the mounting fixture transferred the implant position with the same accuracy as the open-tray implant level impression with respect to point deviations.