In most people’s eyes, gingivitis should be more common in adults, in fact, gingivitis is also more common in children. Gingivitis in the clinical manifestations of bleeding gums, swelling, leading to children’s gingivitis causes include: 1, some children brush their teeth is not particularly good, oral hygiene is not particularly good, will find a lot of food debris deposited on the surface of the teeth, as well as some soft tartar, some children with food embedded for a long time did not feel, if you use a probe to dig out a lot of residue can be dug out; there are also some children come to the doctor’s appointment, and found that they had just grown new teeth, there is a lot of calculus on the lingual side, this may still have something to do with his habit of brushing the new teeth. When some children come to the clinic, it is found that the new teeth are just grown out, there are a lot of calculus on the tongue side, this may still be related to his usual brushing habits; 2, emergence gingivitis, that is, some children’s teeth have just grown out of a part of the gums are not yet fully retracted, so the gums will be formed like a blind bag structure, the child ate into the bag of food may be loaded all the time inside the bag, and did not clean it in time, which will also cause swelling of the gums; 3, some adolescent children after the hormone level changes, the child may not pay attention to oral hygiene, local residual food debris, may lead to the body’s reaction will be more serious. For this kind of gingivitis in childhood, all you have to do is to take care of the localized oral care, so that you can brush your teeth carefully and clean your mouth effectively.