When polishing, to prevent any enamel from being removed during ...

[krzymel]

When polishing, to prevent any enamel from being removed during the procedure, ____________.
 a. select a fine grit abrasive
  b. use a cup instead of a brush in the prophy angle
  c. use slow rpm
  d. small amounts of enamel are always removed during a polish

Question 2

Examples(s) of extrinsic stains are ____________.
 a. green stains
  b. black-line stains
  c. tobacco stains
  d. all of the above

[wuly]

Answer to Question 1

d
RATIONALE: Small amounts of enamel are always removed during a polish.

Answer to Question 2

d
RATIONALE: Examples of extrinsic stains are green stains, black-line stains, and tobacco stains.

[krzymel]

Thanks for the timely response, appreciate it

[vickyvicksss]

TYSM