EVALUATING THE EFFICACY OF RESISTANCE TO ENAMEL DEMINERALIZATION OF A LOW-SHRINKAGE SURFACE PRE-REACTED GLASS FILLED RESTORATIVE MATERIAL VERSUS CONVENTIONAL RESIN COMPOSITE: AN IN VITRO STUDY

Document Type : Original Article

Authors

1 Biomaterials Department, Faculty of Dentistry, Egyptian Russian University, Cairo, Egypt

2 Biomaterials Department, Faculty of Dentistry, Cairo University, Cairo, Egypt

Abstract

Aim of the study: To evaluate the efficacy of Beautifil-II LS giomer restorative material to inhibit enamel demineralization, as compared to conventional resin composite and glass ionomer restorative materials.
Materials and methods: Nine premolar teeth were randomly divided into three groups (n=3): group A (Beautifil-II LS), group B (3M Filtek Z-250), and group C (GI FX-Ultra), Nine premolar teeth were restored with each material, subjected to pH-cycling, and analyzed via environmental scanning electron microscope coupled with energy dispersive X-ray (ESEM-EDX) analysis. The calcium to phosphate ratio (Ca/P) of the enamel surface was calculated according to the atom% of elements in EDX analysis in each stage.
Results: According to the Ca/P recovery ratio, group A (Beautifil-II LS) showed higher results as compared to other tested restorative materials.
Conclusion: Beautifil-II LS might represent a promising restorative material to decrease the incidence of recurrent caries around existing restorations.
Keywords: Giomer, Glass ionomer, Resin composite, Enamel demineralization, Secondary caries, Fluoride, Remineralization.

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Egyptian Dental Journal
Volume 71, Issue 3 - Serial Number 4
Fixed Prosthodontics, Removable Prosthodontics and Dental Materials
July 2025
Pages 2501-2509

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