What is the reason for a one-year-old baby gum ulceration?

One-year-old baby gum ulceration, in most cases caused by dental caries, if bacterial infection causes pulp tissue suppuration necrosis, it will show gum reaction, such as gum abscess, etc., need timely tooth treatment, remove infected dental nerve, and then root canal disinfection, inflammation control after root canal filling. In addition, it may also be gingivitis caused by poor oral hygiene. It is the accumulation of food residue on the teeth, which stimulates the gum tissue for a long time, causing redness and swelling of the gums. It is necessary to brush your teeth in time, pay attention to oral hygiene, and improve the state of the gums.