Ключевые слова: armamentarium, bacteria, care, closeup, damage, dental, dentistry, depth, device, disease, equipment, gum, health, hygiene, hygienist, instrument, instruments, interdental, lines, markings, measure, measurement, medical, medicine, michigan o, odontology, office, oral, periodontal, periodontics, periodontitis, periodontium, periodontology, plaque, pocket, prevention, probe, probing, professional, pyorrhea, receding, sterile, stomatology, tartar, technology, teeth, therapy, tools, tooth loss, treatment,