Ключевые слова: cancer illness, dental cavity, dental health, dentist, dentures, enamel erosion, equipment, examining, grinding, healthcare and medicine, human gums, human teeth, hygiene, illness, infectious disease, inhaling, medical clinic, medical equipment, medical exam, mouth, orthodontist, pain, patient, periodontitis, physical injury, plaque bacteria, rotting, smiling, teeth, tooth whitening, toothache, using mouth, white background, wisdom, yellow,