The child's lips are broken, like ulcers. It may be oral ulcers. You can also take photos to upload the current situation. Has the child ever had a cold, cough or fever before?
External use of mutual aid spray or watermelon frost epidermal growth factor and so on will help. A week and a half of the baby's teeth decay, always appear caries, should be timely to the Degy services.
Simple caries to take filling treatment, because the baby's teeth appear missing, rapid development, many children have developed to pulpitis or periapical periodontitis, should do root canal therapy.
Children's lips swollen, mainly allergic and inflammatory two kinds of performance. I ate some. Food or drugs, as well as exposure to allergens, can cause allergic swelling of the lips. A toothache, if not wisdom tooth pericoronitis, this situation does not have obvious effect, need oral root canal treatment. Lip trauma, or something.