Evidence map›Paper›PMID 30693403›Full record

ArticleClinical oral investigations2019

The effects of extended curing time and radiant energy on microhardness and temperature rise of conventional and bulk-fill resin composites.

Matej Par, Igor Repusic, Hrvoje Skenderovic, Ognjen Milat, Jelena Spajic, Zrinka Tarle

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Article in Clinical oral investigations, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 pooled it
–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

19 citing papers in PubMed, 1 synthesis or guideline pooled it.

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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.

Matej ParDepartment of Endodontics and Restorative Dentistry, School of Dental Medicine, University of Zagreb, Gunduliceva 5, Zagreb, Croatia. mpar@inet.hr.ORCID http://orcid.org/0000-0002-2846-1840
Igor RepusicCommunity Health Center, Zagreb, Croatia.
Hrvoje SkenderovicInstitute of Physics, Bijenicka cesta 46, Zagreb, Croatia.
Ognjen MilatInstitute of Physics, Bijenicka cesta 46, Zagreb, Croatia.
Jelena SpajicCommunity Health Center, Zagreb, Croatia.
Zrinka TarleDepartment of Endodontics and Restorative Dentistry, School of Dental Medicine, University of Zagreb, Gunduliceva 5, Zagreb, Croatia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesTo investigate radiant energy, microhardness, and temperature rise in eight resin composites cured with a blue or violet-blue curing unit, using a curing protocol which exceeded manufacturer recommendations. MATERIALS AND

methodsCylindrical composite specimens (d = 8 mm, h = 2 or 4 mm, n = 5 per experimental group) were light-cured for 30 s. Light transmittance through specimens was recorded in real time to calculate radiant energy delivered to the specimen bottom. Vickers microhardness was used to evaluate the polymerization effectiveness at depth. Temperature rise at the bottom of the specimens was measured in real time using a T-type thermocouple.

resultsRadiant energy delivered from the blue and violet-blue curing unit amounted to 19.4 and 28.6 J/cm

conclusionCuring for 30 s, which can be regarded as extended considering manufacturer specifications, produced radiant energies which are in line with the recommendations from the current scientific literature, leading to adequate curing efficiency and acceptable temperature rise. CLINICAL RELEVANCE: Extended curing time should be used to minimize concerns regarding undercuring of composite restorations.

Indexed as

Composite ResinsCuring Lights, DentalLight-Curing of Dental AdhesivesMaterials TestingTemperatureColorHardnessPolymerizationSurface PropertiesComposite ResinsMicrohardnessMonowavePolywaveRadiant energyResin compositesTemperature

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Registered trials

None linked

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.