At what age are second molars typically sealed?

Second molars, which are also known as the 12-year molars, usually erupt between the ages of 11 and 13. Sealants are typically applied to these molars shortly after they fully emerge to protect the grooves and pits on the teeth from decay. By sealing these surfaces during this crucial developmental stage, it helps to prevent cavities that can occur due to food particles and plaque buildup.

The age range of 12-13 specifically aligns with the timing of when these molars are most vulnerable and when they are generally considered suitable to receive sealants, making this range the most accurate answer.