ArticleThe journal of advanced prosthodontics2026
Influence of impression technique and screw access hole configuration on distortion in conventional impressions of prepared CAD-CAM abutment geometries.
Article in The journal of advanced prosthodontics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
purposeThe aim of this study was to evaluate the influence of impression technique and screw access hole (SAH) configuration on distortion in conventional impressions of prepared CAD-CAM custom abutment geometries. MATERIALS AND
methodsA master cast with implants placed at the maxillary first premolar and first molar was fabricated. CAD-CAM abutment geometries were designed with SAH positions corresponding to 0°, 15°, and 30° buccal angulation designs. In the first experiment, six groups representing different polyvinyl siloxane impression techniques were tested. In the second experiment, groups were formed based on SAH position and filling (filled vs unfilled). Fabricated stone casts were scanned, and STL datasets were superimposed onto reference data. Total, horizontal, vertical, and angular deviations were analyzed using the Kruskal-Wallis test and two-way ANOVA.
resultsThe 2-step ML technique showed lower total deviation than the 1-step-L technique (24.35 µm [IQR, 6.28] vs 82.37 µm [IQR, 68.02];
conclusionImpression technique and SAH configuration were associated with differences in impression distortion patterns. Within the limitations of this
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.