Fissure sealing generally does not cause redness and swelling of the gums. Fissure sealing is mainly the use of some polymer materials in the tooth surface of the fossa to fill, and then form a local protective film, can effectively prevent dental caries, in the fissure sealing treatment, sometimes there may be symptoms of tooth pain, but the impact on the gums is not great, and will not cause redness and swelling of the gums. Fissure sealing treatment and gums red and swollen has no great relationship, if the gums red and swollen, need to visit the doctor to find out the cause of the disease, may need periodontal treatment or root canal treatment, or take amoxicillin or tinidazole and other antibiotics for anti-infection treatment. After the treatment of fissure sealing, until the sealant is cured, it is best to avoid chewing with the affected teeth If the sealant is dislodged, it is important to consult a doctor for examination in a timely manner. Medications should be used under medical supervision.