Ключевые слова: bacteria, blue, care, cleaning, closeup, color, colour, colouring pill, definition, dental, dentist, dentistry, detect, detection, determination, disclosing tablets, dye, evident, health, highlighted, hygiene, identify, indication, indicator, inspection, 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, woman,