Why are glass ionomer sealants commonly chosen for occlusal surfaces?

Glass ionomer sealants are commonly chosen for occlusal surfaces primarily because they can release fluoride. This property is significant in dental practice as fluoride contributes to the remineralization of enamel and can help in preventing caries, especially in areas that are at higher risk due to pit and fissure morphology. The release of fluoride not only provides a protective effect but also enhances the overall health of the tooth structure, making glass ionomer sealants particularly suitable for use in caries-prone areas.

While other factors, such as cost and ease of placement, are relevant in choosing dental materials, the ability of glass ionomer sealants to deliver fluoride makes them especially advantageous in terms of promoting long-term oral health. Their bonding capability to the tooth structure further supports their effectiveness, but the fluoride release remains a standout feature that aligns with caries prevention strategies in dental practice.