NCT02464540|CompletedResultsDMC
Optical Properties of Light Cured Luting Agent on Laminate Veneer
Randomized Clinical Trial of Light Cured Luting Agents on Laminate Veneers
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Sponsor study identifier
interventional
11
1 country
1
Study Start
March 2015
Date type not reportedThis date has not been verified as actual or estimated.
Primary Completion
July 2016
Actual (reported)Study Completion
March 2018
Actual (reported)The aim of this randomized clinical trial is to evaluate the influence of luting agent, thickness and color of laminate veneers (LVs) and color of dental substrate on the optical properties of LVs.
Registry-reported information. Elapsed time and enrollment totals alone do not measure study progress or recruitment pace.
March 2018
Actual (reported)Click on a node to explore related trials.
Some registry-reported names shown below are not yet linked in this graph.
Dates and qualifiers reported by the registry. Estimated dates do not confirm that a milestone has occurred.
March 2015
Date type not reportedThis date has not been verified as actual or estimated.
May 8, 2015
Actual (reported)June 8, 2015
Actual (reported)July 2016
Actual (reported)March 2018
Actual (reported)February 17, 2020
Actual (reported)Optical Properties of Laminate Veneers
The color of laminate veneers will be performed with a spectrophotometer Vita Easyshade (Vita Zahnfabrik / Bad Saeckingen, Germany) based on Vita and 3D Master scales and on CIEL\*a\* b system. Data collected will be evaluated for translucency parameter (TP) and color difference (ΔE) according the thickness and color of the laminate veneers as well as color of dental substrate. The acceptable threshold color difference for the CIEDE2000 method is 1.8 (Paravina et al, 2015). Greater color variation is desirable when a shade match between darker and lighter adjacent tooth substrates is required and values above the clinical thresholds for acceptability of color differences indicating lower masking ability of the material. "Level of Agreement Between the Color Observed by the Operator and the Color Named by the Spectrophotometer" was included as a Primary or Secondary Outcome Measure, but data was not collected.
after luting the laminate veneers (at least 1 hours after cementation)
Laminate veneers luted using light-cured resin cement
Laminate veneers luted using light-cured flowable composite
After the use of light-cured luting agent the color of laminate venners will be performed with visual evaluation based on Vita and 3D Master scales and with a spectrophotometer Vita Easyshade (Vita Zahnfabrik / Bad Saeckingen, Germany) based on CIEL\*a\* b system. Data collected will be evaluated for translucency parameter (TP) and color variation (ΔE) according to luting agent, thickness and color of the LVs as well as color of dental substrate. Additionally, the color obtained with visual evaluation and with spectrophotometer will be compared to evaluate the level of agreement between the color observed by the operator and the color named by the spectrophotometer.
Noéli Boscato
Pelotas, Rio Grande do Sul, 96015-560, Brazil
Perroni AP, Barbon FJ, Chaves ET, Alberton da Silva S, de Moraes RR, Boscato N. Exploring the influence of tooth, ceramic, and resin luting agent variations on laminate veneer optical characteristics: a prospective clinical investigation. Clin Oral Investig. 2024 Nov 12;28(12):639. doi: 10.1007/s00784-024-06032-3.
Noéli Boscato, PhD
Federal University of Pelotas
11 participants (actual enrollment reported by the registry).
First Submitted
May 8, 2015
First Posted
June 8, 2015
Study Start
March 2015
Date type not reportedThis date has not been verified as actual or estimated.
After the use of light-cured luting agent the color of laminate veneers will be performed with visual evaluation based on Vita and 3D Master scales and with a spectrophotometer Vita Easyshade (Vita Zahnfabrik / Bad Saeckingen, Germany) based on CIEL\*a\* b system. Data collected will be evaluated for translucency parameter (TP) and color variation (ΔE) according to luting agent, thickness and color of the LVs as well as color of dental substrate. Additionally, the color obtained with visual evaluation and with spectrophotometer will be compared to evaluate the level of agreement between the color observed by the operator and the color named by the spectrophotometer.
Registry-reported names are shown in full. Names without a link have not yet been matched to a Syfrah profile.
Contact the study team to confirm eligibility.
Primary Completion
July 2016
Actual (reported)Study Completion
March 2018
Actual (reported)Last Updated
February 17, 2020
Results First Posted
February 17, 2020
Record last verified: 2020-02
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Source: ClinicalTrials.gov.
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