The Best Way to Remove the Black Line Stain on the Lingual

question 5

Multiple Choice

The best way to remove the black line stain on the lingual aspects of both arches is to:

• A)Polish with coarse grit pumice using a motor-driven handpiece
• B)Use a slim-diameter ultrasonic tip with a straight working end to remove the stain
• C)Use a Nabers diamond-coated file (This instrument has a similar design as a Nabers furcation probe and is diamond coated.)
• D)Use a universal curet to remove the stain

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Definitions:

Settlement Date

The date on which a trade or transaction must be finalized, with the buyer delivering payment and the seller delivering the asset.

European Put

A type of option contract that gives the holder the right, but not the obligation, to sell a specified asset at a predetermined price before or at the option's expiration date, but only exercisable in Europe.

Specified Price

A definite price point set in a contract or agreement, often referring to the predetermined price in financial transactions.

Expiration Date

The date on which an option, right, or warrant expires, or the date when a perishable product is no longer considered safe or effective to use.