Which effect does fluoride (FL2) have on tooth surfaces?

Fluoride plays a significant role in oral health, particularly in its interaction with tooth surfaces. The correct choice highlights fluoride's dual effects by slowing down the rate of demineralization while simultaneously enhancing the natural process of remineralization.

When fluoride is present in the oral environment, it integrates into the structure of enamel and makes it more resistant to acid attacks from bacteria that cause tooth decay. This resistance is crucial because it helps protect against the demineralization process, which is the loss of minerals from the tooth surface due to acidic conditions. At the same time, fluoride has the ability to promote remineralization, a process where minerals like calcium and phosphate are redeposited into the enamel, helping to repair early carious lesions.

In essence, fluoride disrupts the cycle of tooth decay by providing a protective effect against mineral loss and facilitating the restoration of those minerals when they are lost, thus reinforcing the health of the teeth. This comprehensive action is why the recognition of fluoride’s role in slowing demineralization and enhancing remineralization is vital for maintaining good oral health.