Abstract
Disadvantages of diacrilic composite resins and glass ionomers cements have stimulated research to develop hybrid materials to eliminate the downsides and take advantage of their benefits. The purpose of this study was three-dimensional analysis of a flux material with a resin-modified glass ionomer (RMGI) cement in preventive sealing by two techniques of enamel substrate approach, respectively, with acidic conditioning with 37% orthophosphoric acid and free. The best results were observed in the RMGI when no substrate conditioning was performed.
Highlights
Disadvantages of diacrilic composite resins and glass ionomers cements have stimulated research to develop hybrid materials to eliminate the downsides and take advantage of their benefits
Subsequent studies led to two new classes of materials: resin-modified ionomeric cements, which are located closer to ionomeric glass cements, and compounds that are closer to the diacrilic composite resins [1]
The advantages of these materials used in the primary prevention of dental caries are that they release fluorides with a cariostatic effect, are biocompatible, have low thermal conductivity, have radioactivity, optimal adhesion, good dimensional stability
Summary
Disadvantages of diacrilic composite resins and glass ionomers cements have stimulated research to develop hybrid materials to eliminate the downsides and take advantage of their benefits. In 1988, Wilson and McLean [5,6] and subsequently recovered at Mount GJ in 2002 [7] made a reference classification of glass ionomer cements in three types, Type I - Cement Type II - Restorative Cements and Type III - Base and fissure sealer, Type IV -core build-up The advantages of these materials used in the primary prevention of dental caries are that they release fluorides with a cariostatic effect, are biocompatible, have low thermal conductivity, have radioactivity, optimal adhesion, good dimensional stability. The erosion of the material is influenced by the composition of the cement, the time elapsed from the preparation, the oral environment, the contraction of the polymerization which is higher than the conventional CIS is an unfavorable factor. Compared to conventional CIS, it has reduced downtime, low initial acidity with rapid pH increase, higher wear resistance, lower sensitivity to moisture, lower solubility than CIS, superior aesthetics
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