BRIEF RESEARCH REPORT article
Front. Dent. Med.
Sec. Dental Materials
Volume 6 - 2025 | doi: 10.3389/fdmed.2025.1671386
Water Sorption of Gingival Shade Composites and Its Influence on Color Stability
Provisionally accepted
- The University of the West Indies St. Augustine, St. Augustine, Trinidad and Tobago
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Background: This study aimed to ascertain the water sorption of three gingival shade esthetic materials and understand the correlation between water sorption and color change when immersed in common food colorants. Methods: Disc-shaped composites were fabricated and subjected to immersion in distilled water, followed by desiccation to ascertain water sorption values. Simultaneously, similarly shaped specimens were fabricated, measured for total color using a spectrophotometer before and after immersion in various colorant solutions. Pearson's correlation was used to ascertain if there was a positive linear relationship between values for water sorption and change in total color. Results: There was a statistically significant difference in mean water sorption data between the tested composites (p=0.02, F value=5.6). No correlation coefficients between water sorption and any tested composites in any colorant solutions were statistically significant (p ≥ 0.05), with the exception of PermaFlow Pink immersed in coffee (r=-0.635, p=0.05) Conclusions: All the tested composites exhibited favorable values for water sorption.. Over the studied period, water immersion produced a negligible change in color among all the tested specimens. All composites exhibited changes in color when exposed to food colorants with the largest relative change occurring for immersion in curry. There was no positive correlation between water sorption values and change in color.
Keywords: Gingiva-shade composites, Water sorption, Color stability, Giomer, Pearson's correlation
Received: 23 Jul 2025; Accepted: 08 Sep 2025.
Copyright: © 2025 Marchan, Bascombe, Suliman and Rafeek. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
* Correspondence: Shivaughn Marchan, The University of the West Indies St. Augustine, St. Augustine, Trinidad and Tobago
Disclaimer: All claims expressed in this article are solely those of the authors and do not necessarily represent those of their affiliated organizations, or those of the publisher, the editors and the reviewers. Any product that may be evaluated in this article or claim that may be made by its manufacturer is not guaranteed or endorsed by the publisher.