Ключевые слова: acute, aphtha, baby, biopsy, blister, blood, boy, canker, care, cavity, child, close, closeup, cold, disease, face, health, healthy, human, hygiene, illness, infection, injury, kid, labialis, lateral, lip, lips, macro, medical, medicine, molar, mouth, oral, pain, painful, patch, patient, sick, sore, teeth, thrush, tongue, treatment, ulcer, ulcerative, virus, white, young,