Multiple Choice
Which of the following statements is true regarding types of tooth stains?
A) Intrinsic stains are on the tooth surface.
B) All extrinsic stains can be removed by hand or ultrasonic scaling and coronal polishing.
C) In general,yellow-brown discolorations are easier to bleach than blue-gray and black colors.
D) Tetracycline derivatives such as minocycline will cause discoloration of teeth in children but not in adults.
Correct Answer:

Verified
Correct Answer:
Verified
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