Ключевые слова: bacteria, blue, care, cleaning, closeup, color, coloring pill, colour, definition, dental, dentist, dentistry, detect, detection, determination, disclosing tablets, dye, evident, health, highlighted, hygiene, identify, indication, indicator, inspection, man, medical, mouth, oral, patient, people, pill, pills, pink, plaque, prevention, purple, reaction, reagent, red, reveal, self examination, self inspection, selfexamination, tablets, teeth, tooth, violet, visible, white,