How can you check the effectiveness of a sealant after curing?

To assess the effectiveness of a sealant after curing, utilizing the tip of an explorer is a reliable method. This instrument allows the dental professional to gently probe the surface of the sealant. The explorer is specifically designed to evaluate the integrity and retention of materials applied to teeth, as its pointed tip can detect any areas where the sealant may have failed to adhere properly or is showing signs of wear.

When the explorer is used, the dental assistant can check for smoothness and confirm that the sealant has completely set without any defects. If the explorer catches or dislodges the sealant, it indicates a potential problem, which may require additional attention or reapplication.

The other approaches, such as using a dental mirror or rinsing with water, do not provide the same level of tactile feedback to identify adherence issues effectively. While feeling with fingers may allow for some tactile inspection, it is not a standard or optimal assessment method in a clinical setting for this specific purpose.