KOMMUNIKATIONPages 399-400, Language: GermanNemec, SabineLesson 188Instruments and materials for a professional tooth cleaning help the prophylaxis assistant or dental hygienist to evaluate oral health, treat, and clean teeth and gums. Here are some instruments and how you can explain what you are doing to the patient. Fill in the black spaces with one of the words from the box to complete the sentence.