When I got the Oral-B Professional Care 500 electric toothbrush, this brush was a curiosity for me. It seemed that the brush is small, like a dentist in the office. At first it was unusual to use it, even the gums bled. A year later, I can't live without it. My little assistant helps me keep clean, fresh not only teeth, but the entire oral cavity. There was no plaque for the year, the enamel is strong, the teeth are healthy (as my dentist told me). I really like the brush, I take it with me everSee full review