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Trueness and Passivity of Digital and Conventional Implant Impressions in Edentulous Jaws: A Prospective Clinical Study
Indexado
WoS WOS:001461789000001
Scopus SCOPUS_ID:105002211879
DOI 10.1111/CID.70022
Año 2025
Tipo artículo de investigación

Citas Totales

Autores Afiliación Chile

Instituciones Chile

% Participación
Internacional

Autores
Afiliación Extranjera

Instituciones
Extranjeras


Abstract



Aim: To compare the linear and angular deviations of conventional implant (CI) and digital implant (DI) impression techniques in edentulous jaws with four or six implants. Materials and Methods: Twenty participants (12 men, 8 women; mean age 58.6 years) with complete edentulous maxillary (n = 8) or mandibular (n = 12) arches were included. Each patient received four or six dental implants (Straumann BLX). Both CI and DI were performed using randomized sequences. Linear and angular deviations were measured between the reference scan (coordinated measuring machine) and the CI (desktop scanner) and DI (intraoral scanner, IOS) using CATIA software (Dassault Syst & egrave;mes). Framework passivity was evaluated using the Sheffield one-screw test. The Shapiro-Wilk test determined data normality (p < 0.05), and nonparametric statistical tests were applied using statistical software. Results: Descriptive statistics showed a mean linear discrepancy of 29.05 (84.80 mu m) for CI and 6.95 (154.10 mu m) for DI, with angular deviations of 0.06 degrees (0.36 degrees) for CI and 0.05 degrees (1.40 degrees) for DI. No statistically significant differences were found in linear (p = 0.38) or angular (p = 0.12) measurements between CI and DI. Framework passivity testing showed that both techniques achieved passive fit in 17 out of 20 cases (85%), with the reference scan achieving passivity in 18 (90%) cases. Distal implants, particularly in the upper jaw, exhibited greater discrepancies, but none were statistically significant. Conclusions: No significant differences in trueness were found between CI and DI techniques. Both methods demonstrated comparable trueness and framework passivity, supporting the use of IOS as a reliable alternative to CI in edentulous jaws with multiple implants.

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Disciplinas de Investigación



WOS
Dentistry, Oral Surgery & Medicine
Scopus
Dentistry (All)
Oral Surgery
SciELO
Sin Disciplinas

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Publicaciones WoS (Ediciones: ISSHP, ISTP, AHCI, SSCI, SCI), Scopus, SciELO Chile.

Colaboración Institucional



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Autores - Afiliación



Ord. Autor Género Institución - País
1 Harfagar, Gustavo - Matanzas Clin - Chile
Private Practice at Matanzas Clinic - Chile
2 Solis, Sebastian - Zenit Dent - Chile
Private Practice at Zenit Dental - Chile
3 HERNANDEZ-GARCIA, MARCELA TERESA Mujer Universidad de Chile - Chile
4 Fehmer, Vincent Hombre Univ Geneva - Suiza
Université de Genève - Suiza
5 Sailer, Irena - Univ Geneva - Suiza
Université de Genève - Suiza
6 Azevedo, Luis - Univ Geneva - Suiza
Catholic Univ Portugal UCP - Portugal
Université de Genève - Suiza
Universidade Católica Portuguesa - Portugal

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Financiamiento



Fuente
Straumann Group
Institute Straumann AG
UpDental Dental Lab

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Agradecimientos



Agradecimiento
The authors thank Straumann Holding AG for support with the materials, Createch Medical S.L. for the production of the bars, and UpDental Dental Lab for the production of the prostheses.
Funding: The study was supported by Institute Straumann AG, which provided the materials for the study (Project Reference: IIS1819_CIP). The authors thank Straumann Holding AG for support with the materials, Createch Medical S.L. for the production of the bars, and UpDental Dental Lab for the production of the prostheses.
The study was supported by Institute Straumann AG, which provided the materials for the study (Project Reference: IIS1819_CIP). Funding:

Muestra la fuente de financiamiento declarada en la publicación.