Describe the motion/pressure when preforming a mechanical polish. - ANS - A quick light to

moderate pressure should be used. on slow speed pushing gently and overlapped.

What part of the rubber cup does the polishing? - ANS - THE OUTER EDGE DOES THE

POLISHING

If a line of stain or deposits appear along the gingival margin after polishing, the problem was? -

ANS - the prophy cup was not flexed or adapted to the tooth.

The stroke used to polish a tooth is from the ---- third to the --- edge....
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