Ключевые слова: background, bamboo, bio, biodegradable, black, bristle, brown, brush, care, check, clean, closeup, concept, dental, dentist, disease, doctor, eco, ecological, exam, font, friendly, green, health, healthy, hygiene, letter, medical, message, natural, no people, note, organic, plan, recycling, sign, text, tooth, toothbrush, type, visit, wood, wooden, word,