Alkasite Restoratives: A New Era in Esthetic, Bioactive, and Bulk-Fill Dental Material

Alkhalidi, Emad Farhan

doi:10.67593/ijos.2025.191055

	Alkasite Restoratives: A New Era in Esthetic, Bioactive, and Bulk-Fill Dental Material
International Journal of Orofacial Sciences
Volume 1, Issue 1, February 2026, Pages 20-23 PDF (371.54 K)
Document Type: Original Article
DOI: 10.67593/ijos.2025.191055
Author
Emad Farhan Alkhalidi^*
Department of Conservative Dentistry, College of Dentistry, University of Mosul, Mosul, Iraq.
Abstract
Metallic restorative materials such as gold and silver amalgam have demonstrated clinical success for decades due to their inherent antibacterial activity and favorable mechanical properties. However, their poor esthetics, particularly their metallic color, have limited their use in anterior teeth. This limitation prompted researchers to develop tooth-colored restora-tive materials, beginning with silicate cements and progressing to modern composite resins. Throughout this development, the primary focus was to produce a durable, esthetic restorative material. Despite achieving acceptable strength and appearance, resin-based composites were found to exhibit several drawbacks, including polymerization shrinkage, absence of antibacterial properties, and the release of free monomers that may irritate pulpal tissues. Moreover, these monomers can stimulate the activity of destructive enzymes such as matrix metalloproteinases (MMPs). Such shortcomings pose significant risks when composite materials are used in deep cavities near the pulp, underscoring the need for biocompatible, tooth-colored restorative alterna-tives. Most commercially available composites also lack remineralizing capabilities and require complex placement techniques. These factors increase the likelihood of bacterial microleakage at the tooth–composite interface, leading to secondary caries—one of the main causes of composite restoration failure. Consequently, the demand has increased for a restorative material that can serve as a practical alternative to amalgam, glass ionomer cement, and conventional composites. The ideal material would be cost-effective, capable of fluoride release, easy and quick to apply, and able to provide both mechanical strength and an acceptable aesthetic. The emergence of alkali restorative materials represents a new era in restorative dentistry. Alkasites are considered a subclass of composite resins and are designed as bulk-fill materials suitable for direct posterior restorations, offering enhanced biocompatibility and therapeutic ion release.

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