After working in the fields as a child, Zhukov was apprenticed to a furrier in Moscow at age 12. Completing his apprenticeship four years later in 1912, Zhukov entered the business. His career proved short lived as in July 1915, he was conscripted into the Russian army for service in World War I. Assigned to the cavalry, Zhukov performed with distinction, twice winning the Cross of St. George.
Plaque can be removed by a toothbrush and floss. Tartar, known professionally as calculus, is solid and require the dental hygienists' instrument to be removed. All that said, you can prevent tartar by brushing a full two minutes, twice a day.
Why Tartar is an Oral Health Problem to Take Seriously While tartar is not immediately harmful or dangerous, it can create a number of problems down the road if you do not take care of it: Tartar gives dental plaque more surface area on which to stick, which in turn gives bacteria a nice place to grow.