What must be ensured during the sealant curing process?

During the sealant curing process, it is essential for the curing light to be positioned as close as possible to the tooth surface without actually touching it. This optimal distance allows for maximum energy output from the light to effectively penetrate the sealant material, ensuring that it cures properly. When the light is too far away, as would be the case if it were placed 3-4mm away, or improperly positioned, not enough energy may reach the sealant, resulting in incomplete curing, which can compromise the sealant's effectiveness.

Keeping the light close also helps to focus the light on the specific area being treated, promoting a consistent and thorough curing process. This is critical for achieving a durable bond that will protect the tooth surface from decay. Thus, ensuring the light's proximity and position while maintaining a safe distance to avoid contact with the tooth is key for successful sealant application.