SuicidDentistV1, Main, Exploration, bibRecord, 000573

Radiographic contrast. A comparative study of three dental X-ray films.

Identifieur interne : 000573 ( Main/Exploration ); précédent : 000572; suivant : 000574

Radiographic contrast. A comparative study of three dental X-ray films.

Auteurs : J R Tamburus [Brésil] ; M A Lavrador

Source :

Dento maxillo facial radiology [ 0250-832X ] ; 1997.

RBID : pubmed:9442609

Descripteurs français

KwdFr :
- Aire sous la courbe (MeSH), Aluminium (MeSH), Analyse de variance (MeSH), Fantômes en imagerie (MeSH), Film radiographique (MeSH), Humains (MeSH), Mandibule (imagerie diagnostique), Radiographie dentaire (instrumentation), Statistique non paramétrique (MeSH).
MESH :
- imagerie diagnostique : Mandibule.
- Aire sous la courbe, Aluminium, Analyse de variance, Fantômes en imagerie, Film radiographique, Humains, Radiographie dentaire, Statistique non paramétrique.

English descriptors

KwdEn :
- Aluminum (MeSH), Analysis of Variance (MeSH), Area Under Curve (MeSH), Humans (MeSH), Mandible (diagnostic imaging), Phantoms, Imaging (MeSH), Radiography, Dental (instrumentation), Statistics, Nonparametric (MeSH), X-Ray Film (MeSH).
MESH :
- chemical : Aluminum.
- diagnostic imaging : Mandible.
- instrumentation : Radiography, Dental.
- Analysis of Variance, Area Under Curve, Humans, Phantoms, Imaging, Statistics, Nonparametric, X-Ray Film.

Abstract

OBJECTIVE

To investigate the radiographic contrast of three dental X-ray films (Ultra-speed, Ektaspeed and Ektaspeed Plus, Eastman-Kodak, Rochester, NY, USA).

METHODS

An aluminium stepwedge was radiographed for the objective assessment and a dried human mandibular segment including the teeth for the subjective evaluation. In the objective assessment, contrast was evaluated from the measured optic densities and the results analysed statistically by the Kruskal-Wallis one-way Anova and Mann-Whitney U test. Subjective evaluation was performed by 12 dentists with a range of clinical experience and scores were assigned to five dental and bony structures.

RESULTS

In the objective evaluation there was no significant difference in contrast obtained with the Ultra-speed and Ektaspeed Plus films: both had significantly better contrast than Ektaspeed film. The subjective assessment revealed that the majority of the dentists preferred either Ultra-speed or Ektaspeed Plus films for contrast.

CONCLUSION

Radiographic contrast of Ektaspeed Plus did not differ significantly from Ultra-speed and both were superior to Ektaspeed film.

DOI: 10.1038/sj.dmfr.4600247
PubMed: 9442609

Affiliations:

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Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Aluminum (MeSH)</term>
<term>Analysis of Variance (MeSH)</term>
<term>Area Under Curve (MeSH)</term>
<term>Humans (MeSH)</term>
<term>Mandible (diagnostic imaging)</term>
<term>Phantoms, Imaging (MeSH)</term>
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<term>Analyse de variance (MeSH)</term>
<term>Fantômes en imagerie (MeSH)</term>
<term>Film radiographique (MeSH)</term>
<term>Humains (MeSH)</term>
<term>Mandibule (imagerie diagnostique)</term>
<term>Radiographie dentaire (instrumentation)</term>
<term>Statistique non paramétrique (MeSH)</term>
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<keywords scheme="MESH" qualifier="diagnostic imaging" xml:lang="en"><term>Mandible</term>
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<keywords scheme="MESH" qualifier="imagerie diagnostique" xml:lang="fr"><term>Mandibule</term>
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<term>X-Ray Film</term>
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<keywords scheme="MESH" xml:lang="fr"><term>Aire sous la courbe</term>
<term>Aluminium</term>
<term>Analyse de variance</term>
<term>Fantômes en imagerie</term>
<term>Film radiographique</term>
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<front><div type="abstract" xml:lang="en"><p><b>OBJECTIVE</b>
</p>
<p>To investigate the radiographic contrast of three dental X-ray films (Ultra-speed, Ektaspeed and Ektaspeed Plus, Eastman-Kodak, Rochester, NY, USA).</p>
</div>
<div type="abstract" xml:lang="en"><p><b>METHODS</b>
</p>
<p>An aluminium stepwedge was radiographed for the objective assessment and a dried human mandibular segment including the teeth for the subjective evaluation. In the objective assessment, contrast was evaluated from the measured optic densities and the results analysed statistically by the Kruskal-Wallis one-way Anova and Mann-Whitney U test. Subjective evaluation was performed by 12 dentists with a range of clinical experience and scores were assigned to five dental and bony structures.</p>
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<div type="abstract" xml:lang="en"><p><b>RESULTS</b>
</p>
<p>In the objective evaluation there was no significant difference in contrast obtained with the Ultra-speed and Ektaspeed Plus films: both had significantly better contrast than Ektaspeed film. The subjective assessment revealed that the majority of the dentists preferred either Ultra-speed or Ektaspeed Plus films for contrast.</p>
</div>
<div type="abstract" xml:lang="en"><p><b>CONCLUSION</b>
</p>
<p>Radiographic contrast of Ektaspeed Plus did not differ significantly from Ultra-speed and both were superior to Ektaspeed film.</p>
</div>
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Radiographic contrast. A comparative study of three dental X-ray films.

Radiographic contrast. A comparative study of three dental X-ray films.

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki