Ключевые слова: bacterium, badcondition, biofilm organism, care, cleaning, closeup, dental, dental calculus, dental disease, dental health, dentist, dentures, dirty teeth, face, front view, gingivitis, health, healthcare and medicine, horizontal, human body part, human mouth, human teeth, hygiene, illness, medicine, one person, oral, pathology, periodontal disease, tartar teeth, teeth, tooth, toothache, unhealthy, yellow teeth,