Rubber cup Tooth polishing
prophy cups
rubber cups, called prophy cups, used in hand-piece. polishing paste, prophylactic paste, containing fluoride, used rubber cups polishing. rubber cups should not used on cementum area may remove layer of cementum @ cervical area. there 2 popular types of prophy cups: 4 webs , 6 webs. risk of generating frictional heat, , increased abrasion tooth surface may result increased contact time, increased speed of rotation, , increased pressure of cup on tooth. short intermittent strokes should used in order avoid damage.
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