Bleeding, inflamed or sore gums might make your child irritable or uncomfortable. Many gum problems disappear simply with better brushing and flossing habits. Gum sores caused by viral infections may go away after a few days or weeks. If you notice any sign of a fever alongside the gum sores then visit a doctor as soon as possible.
Gingivitis
Early stage periodontal disease, or gingivitis, often affects children. In some cases, it makes the gums inflamed and develop little cuts and sores. The conditions worsens when your child doesn't brush regularly with fluoride toothpaste. Gingivitis will progress if tooth plaque, a form of bacterial coating, is left to grow. Making sure that your child brushes thoroughly each morning and night with a blob of toothpaste should prevent gingivitis becoming more serious.
Canker Sores
Canker sores cause little cuts to develop in a child's mouth. These often occur around the gums and the soft roof of the mouth. Canker sores don't spread through contact, so a child can usually continue a normal routine unless discomfort causes problems. In some cases, canker sores might signify a lack of vitamin B-12, folic acid or iron, according to KidsHealth. If your child persistently develops canker sores, ask your doctor to check for any nutritional deficiencies.
Hand-foot-and-mouth
Other reasons for gum sores in children include hand-foot-and-mouth disease, also known as Coxsackie virus. The virus is the most common reason for multiple mouth ulcers over the tongue, inside the cheeks and around the gums, according to Seattle Children's Hospital Research Foundation. The sores usually only appear for a few days before disappearing. In some cases the virus may lead to herpangina, a condition that triggers fever and sickness.
Treatment
Though some gum sores clear up with better oral hygiene, a few treatments can help combat mouth sores. For example, the KidsHealth website suggests mixing up 4 oz. water with 1 tsp. of baking soda and a tsp. of salt. Ask your child to briefly slosh it around her mouth, then spit it out -- don't allow her to swallow the mixture. Call a doctor if your child seems very sick, has reacted to a chemical or appears dehydrated and confused.


