Which material is commonly used as a sealant in pediatric dentistry?

In pediatric dentistry, resin-modified glass ionomer is commonly used as a sealant due to its unique properties that cater well to the needs of children. This material not only bonds effectively to tooth structure but also releases fluoride, providing additional protection against caries, which is especially important for pediatric patients who may be more susceptible to decay. The resin-modified nature offers improved strength and wear resistance compared to traditional glass ionomer, making it ideal for the sealed surfaces of primary teeth.

The other materials listed serve various purposes but are not typically used as sealants in this context. Composite resins, while effective for restorations, may not have the same remineralizing properties as resin-modified glass ionomer. Glass ionomer cement is also beneficial for its fluoride release but may not provide the enhanced mechanical properties that resin-modified versions offer. Amalgam is primarily used for restorations in posterior teeth rather than as a sealant, as it does not bond to tooth structure in the same way and lacks the advantageous fluoride release associated with glass ionomer materials.