Research Article

Correlation Between Gloss and Surface Roughness of Low Viscosity Bulk Fill Resin Composites

Volume: 29 Number: 1 March 27, 2026
  • Ingridh Soledad Giraldo Antunez
  • Grace Alexandra Diaz Llerena
  • Eduardo Quea-cahuana *
  • Lilia Inés Mori-guerrero
  • Silvana Anduaga-lescano
  • Carlos Cava-vergiu
EN

Correlation Between Gloss and Surface Roughness of Low Viscosity Bulk Fill Resin Composites

Abstract

Objectives: This study aimed to determine the correlation between gloss and roughness in low-viscosity bulk fill composite resins. Materials and methods: The study had an experimental, analytical, prospective, and cross-sectional design, with a sample of 60 blocks of low-viscosity resins distributed into three groups of 20 units each: Group 1—3M Filtek Bulk Fill Flow (FBF), Group 2—Opus Bulk Fill Flow APS (OBF), Group 3—Opalis Flow (OF) (Control). Gloss and roughness were measured using a gloss meter and a contact roughness meter. In the descriptive analysis, measures of central tendency and dispersion were calculated. The normality of the data was evaluated using the Shapiro-Wilk test. For the comparison of roughness between resins, the ANOVA test was applied, and for gloss, the Kruskal-Wallis test was applied, both with Tukey and Dwass-Steel-Critchlow-Figner post-hoc tests, respectively. The relationship between variables was measured using Pearson and Spearman correlations. The data were processed using the SPSS statistical package, considering a significance level of 0.05. Results: The FBF resin had the highest average roughness, while OF had the lowest value; in addition, OF had the highest gloss values. On the other hand, there was a statistically significant high negative correlation between roughness and gloss (p<0.01). Conclusions: There was an inverse relationship between roughness and gloss regardless of the type of resin evaluated.

Keywords

Project Number

016-2025-CRPI-FO-USMP

References

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Details

Primary Language

English

Subjects

Dental Materials

Journal Section

Research Article

Authors

Ingridh Soledad Giraldo Antunez
0009-0006-8437-8749
Peru

Grace Alexandra Diaz Llerena
0009-0001-0742-8611
Peru

Lilia Inés Mori-guerrero
0000-0002-3882-5572
Peru

Silvana Anduaga-lescano
0000-0001-7154-2921
Peru

Carlos Cava-vergiu
0000-0003-0338-3425
Peru

Publication Date

March 27, 2026

Submission Date

July 9, 2025

Acceptance Date

January 26, 2026

Published in Issue

Year 2026 Volume: 29 Number: 1

EndNote
Giraldo Antunez IS, Diaz Llerena GA, Quea-cahuana E, Mori-guerrero LI, Anduaga-lescano S, Cava-vergiu C (March 1, 2026) Correlation Between Gloss and Surface Roughness of Low Viscosity Bulk Fill Resin Composites. Cumhuriyet Dental Journal 29 1 26–31.

Cumhuriyet Dental Journal (Cumhuriyet Dent J, CDJ) is the official publication of Cumhuriyet University Faculty of Dentistry. CDJ is an international journal dedicated to the latest advancement of dentistry. The aim of this journal is to provide a platform for scientists and academicians all over the world to promote, share, and discuss various new issues and developments in different areas of dentistry. First issue of the Journal of Cumhuriyet University Faculty of Dentistry was published in 1998. In 2010, journal's name was changed as Cumhuriyet Dental Journal. Journal’s publication language is English.


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