Evidence map›Paper›PMID 38752461›Full record

ArticleClinical and experimental dental research2024

Evaluation of the effect of different core substrates on the accuracy of intraoral scanners.

Maryam Khoshkhahesh, Shabnam Enteghad, Kiana Aghasadeghi, Mitra Farzin, Masumeh Taghva, Seyed Ali Mosadad

Abstract read
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Article in Clinical and experimental dental research, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.

0numbers the graph read from it
0cells of the map it votes in
3citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

3 citing papers in PubMed.

  1. Influence of the color of 3D-printed scan aids on the trueness of complete arch digital scans.Journal of prosthodontics : official journal of the American College of Prosthodontists · 2026
    Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

6 authors.

Maryam KhoshkhaheshDepartment of Prosthodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
Shabnam EnteghadDepartment of Oral Health Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, British Columbia, Canada.
Kiana AghasadeghiStudent Research Committee, Islamic Azad University of Shiraz, Shiraz, Iran.
Mitra FarzinDepartment of Prosthodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
Masumeh TaghvaDepartment of Prosthodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.ORCID 0000-0001-6662-2257
Seyed Ali MosadadDepartment of Research Analytics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai, India.ORCID 0000-0001-6963-8289

Funding

Shiraz University of Medical Sciences 22667
6 · The paper itself

Abstract

backgroundThe aim of this study was to determine if different types of core substrates have any effect on the trueness and precision of digital intraoral impressions. MATERIAL AND

methodsA customized typodont with four similar cores of natural dentine, composite, metal (Ni-Cr), and zirconia in the position of premolars was fabricated. The study model was scanned five times with two types of intraoral scanners (Carestream 3600 and 3Shape Trios 3), and a reference standard scan was obtained using a laboratory scanner (3shape D1000). A metrology software (Geomagic X) was used to align the data of experimental scans and the reference scan to determine deviation values (trueness). Precision values were calculated with random superimposition in each intraoral scanner group. The Kruskal-Wallis test was used to compare differences between different substrates, and the Mann-Whitney test was used to compare the average values between the two scanners.

resultsTrios 3 was found to be significantly truer and more precise than Carestream 3600 (p value = .005, <0.001). There were no significant differences in the trueness of different substrates when they were scanned by Trios 3, while different materials showed significantly different trueness values in the Carestream 3600 group (p value = .003). Dentin showed the best trueness, and zirconia performed worse than other substrates. Regarding the precision of the scanners, neither of the scanners was affected by the type of scanning substrate.

conclusionFor Carestream 3600, substrate type did impact the trueness of intraoral scans, with dentin and zirconia showing the highest and lowest accuracy, respectively, while Trios 3 was similarly accurate across all substrates. Trios 3 had both higher trueness and precision than Carestream 3600.

Indexed as

Dental Impression TechniqueComputer-Aided DesignHumansModels, DentalReproducibility of ResultsSoftwareZirconiumZirconiumzirconium oxidedental impression techniquedimensional measurement accuracythree‐dimensional imaging

Identifiers

PMID38752461
PMCPMC11097246

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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.