Which of the following statements is not true in regards to coronal polishing?

Question

Quizplus · Accepted Answer

Use approximately one cupful of polishing agent for one or two teeth.An empty cup generates more heat.
Polish each tooth for approximately 3 to 5 seconds.The more time spent polishing a tooth,the greater will be the abrasive effect.
Use moderate intermittent pressure to permit heat dissipation; the pressure should be sufficient enough to cause the edges of the polishing cup to flare slightly.
Use the lowest possible handpiece speed that will move the cup or brush against the tooth without stalling.A whine or whistle in the handpiece indicates excessive speed.

Which of the Following Statements Is Not True in Regards