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