How far away from the tooth surface should the nozzle tip of an air-polishing device be held? 

Which of the following is the proper sequence for developing a dental hygiene care plan? 

When using teh air polisher supragingivally, the orifice of the handpiece nozzle should be kept:

When using the ultrasonic unit, correct cable management helps reduce the overall weight of the handpiece in the hand of the clinician.   Methods for effective cable management include loosely wrapping the cable over the wrist. 

Cassidy, a 20-year-old girl, is a Mormon. Her faith does not allow her to consume liquor, tobacco, coffee, tea, or illegal drugs. The given scenario is an examples of:

Extrinsic (exogenous) stains can be removed gy the rubber cup polishing.  Instrinsic (endogenous) stains cannot be removed by rubber cup polishing but can be removed by air polishing. 

Supportive cae is cyclical in nature.  Which of the following items places the sequence of supportive care elements in the correct order?

On an electronically powered instrumetn tip, which of the surfaces is recommended for adaptation to the tooth surface with all sonic, piezoelectric, and magnetoscrictive ultraonsic instruments? 

On a powered instrument tip, which of the surfaces produced the greatest amount of energy? 

How should the nozzle tip of an air-polishing device be positioned for occlusal surfaces?