Which Statement Is Incorrect Concerning Ultrasonic Scalers

question 2

Multiple Choice

Which statement is incorrect concerning ultrasonic scalers?

• A)The spray of water at the tip of the ultrasonic scaler prevents the tip from getting too hot and continuously flushes debris and bacteria from the pocket.
• B)The ultrasonic scaler is used to remove only supragingival calculus and difficult stain.
• C)The ultrasonic scaler may damage porcelain crowns, composite resins, and laminate veneers.
• D)The ultrasonic scaler should not be used on primary teeth or newly erupted permanent teeth.

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