Title

Effect of dietary agents on microhybrid composite discoloration and microleakage

Authors

Remya P. Mohanan^1,*, Rajesh Pillai² & N.O. Varghese²

Affiliation

¹Department of Conservative Dentistry, Government Dental College, Kottayam, Kerala, India; ²Department of Conservative Dentistry, PMS College of Dental Science and Research, Golden Hills, Vattappara, Trivandrum, Kerala-695028, India; *Corresponding author

Email

Remya P. Mohanan - E-mail: drremya.mds@gmail.com; Phone: +91 9847748622
Rajesh Pillai - E-mail: rajpillai_21@rediffmail.com; Phone: +91 9447744470
N.O. Varghese - E-mail: drnovarghese@gmail.com; Phone: +91 9847065697

Article Type

Research Article

Date

Received August 1, 2026; Revised August 31, 2026; Accepted August 31, 2026, Published August 31, 2026

Abstract

Dietary agents may impair both color stability and marginal integrity of resin-composite restorations. Eighty restored premolars were divided into tea, coffee, carbonated beverage, and tamarind groups (n = 20) and exposed for 15 days. Coffee caused the greatest discoloration (ΔE = 5.32 ± 0.17), while carbonated beverage and tamarind caused the greatest microleakage (p < 0.001). Discoloration and microleakage were not significantly correlated within any group (all p > 0.05). Thus, dietary agents therefore exert distinct chromogenic and interfacial effects that should be considered separately in restorative care.

Keywords

Microhybrid composite; color stability; coffee; carbonated beverage; tamarind; microleakage; spectrophotometry

Citation

Mohanan et al. Bioinformation 22(8): 5270-5274 (2026)

Edited by

Hiroj Bagde

ISSN

0973-2063

Publisher

Biomedical Informatics

License

This is an Open Access article which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited. This is distributed under the terms of the Creative Commons Attribution License.