Effect of Glass Ionomer Cements on Re-Mineralization in Demineralized Lesion

Fiza Hamid; Zainab Sohail; Alizay Arshad; Syeda Namra Fatima; Zaib Salahuddin Abbasi

doi:10.70749/ijbr.v3i2.2136

Authors

Fiza Hamid Foundation University College of Dentistry, Islamabad, Pakistan.
Zainab Sohail Foundation University College of Dentistry, Islamabad, Pakistan.
Alizay Arshad Foundation University College of Dentistry, Islamabad, Pakistan.
Syeda Namra Fatima Foundation University College of Dentistry, Islamabad, Pakistan.
Zaib Salahuddin Abbasi Foundation University College of Dentistry, Islamabad, Pakistan.

DOI:

https://doi.org/10.70749/ijbr.v3i2.2136

Keywords:

Glass Ionomer Cement, Resin-modified GIC, Remineralization, Demineralized Lesions, Microhardness, Calcium-phosphate ratio

Abstract

Introduction: Dental caries is a dynamic process characterized by alternating cycles of demineralization and remineralization. Restorative materials with the ability to release bioactive ions have become crucial in promoting remineralization and halting lesion progression. Objective: To determine and compare the remineralisation ability of conventional glass ionomer cement and resin-modified glass ionomer cement in experimentally induced demineralised lesions. Material and Method: This was an in-vitro experimental study which was carried out at at Foundation University College of Dentistry, Islamabad, between November, 2023 and April, 2024. Sixty artificial demineralised lesion-induced human teeth were allotted to two groups. Group A was restored using endocoronal standard GIC, and Group B was restored using resin-modified GIC. Results: The microhardness and mineral contents of the two groups were recovered significantly after restoration, indicating remineralising activity. Nonetheless, resin-modified GIC had a greater mean hardness recovery rate (92.5%) than conventional GIC (82.1%). The restoration of Ca/P and the SEM analysis indicated improved deposition of the minerals and less porosity in Group B. Conclusion: The use of glass ionomer-based restorative materials improves remineralisation in demineralised lesions, with resin-modified GIC having better results. These results advocate their use in minimally invasive dentistry with a focus on restorative and preventive advantages.

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