48 hours<span>Most plaque hardens within 48 hours of formation, and within several days it will become so hard that it is almost impossible to remove. This hard substance is tartar and the only way to remove it is to see your dentist for a professional scraping of your teeth.
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Get away from or deal with her stressful problem and talk to her doctor about her sleeping issues. let me know if this helps.
I need a pictured the graph
B. Expressed the other ones won’t make any sense since she said it was ok
