Which of the following is NOT a predecessor material to composite?

Glass ionomer is not considered a predecessor material to composite resin. Composite materials, which are commonly used for dental restorations, typically evolved from earlier materials that provided a foundation for their development.

Silicate cement, porcelain, and infilled acrylic resin all contributed to the advancement of composite technology in dental applications. Silicate cement, for instance, was one of the earlier restorative materials used in dentistry, demonstrating the principles needed for aesthetic and functional restorations. Porcelain provided an aesthetic alternative to metals and highlighted the importance of visual appeal in dental materials. Infilled acrylic resin was used to improve the strength and wear resistance of dental materials before the development of modern composites.

On the other hand, glass ionomer was developed as an alternative restorative material offering benefits like chemical adhesion to dentin and release of fluoride but is not directly linked as a predecessor to composite resin materials. Instead, it represents a different category of materials that serve specific purposes in restorative dentistry.