What could occur if excess cement is left at the cavosurface margin of a crown?

Question

Quizplus · Accepted Answer

If excess cement is not removed from in and around the cavosurface margin,the cement can irritate the area and cause inflammation and discomfort.
Cement should not dissolve out from under the crown unless the crown margins are open.
Cements are not known to demineralize enamel; in fact,glass ionomer cement contains fluoride.
Cement would only create an occlusal prematurity if so much remained that it interfered with occlusion.

What Could Occur If Excess Cement Is Left at the Cavosurface