The fissure closure itself is a very good technical means, can effectively prevent dental caries, itself has no side effects, but there are a few points need to pay attention to, as follows: 1, don’t put all your hopes on the fissure closure, in addition to do fissure closure, the usual dietary habits and oral hygiene habits are also very important to minimize the intake of sugar, beverages and other foods that are not good for the teeth; 2, to develop a good toothbrushing Flossing habit. If only do fissure sealing without good oral hygiene habits, dental caries is still inevitable; 3, although the current material has been very advanced, but the fissure sealing normal also has a certain rate of shedding, so even after doing it should be regularly to the hospital for review, if you find that part of the shedding, to timely re-do the fissure sealing.