It would seem oral hygiene is such an ordinary thing. The set of banal procedures that we do every day (well, maybe sometimes miss). In general, the thing is plain and clear, familiar from childhood. Now about the importance of oral hygiene it is shouting on TV, writen on the Internet. To the delight of dentists, they even entered the training lessons in the schools! But ... Are you sure you do it right? Maybe we should consult a dental hygienist or have to only correct the nuances? ..
ПРИСТУПИТЬ к тесту
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